/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-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 08:23:11,569 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-02-10 08:23:11,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 08:23:11,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 08:23:11,698 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 08:23:11,703 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-MCRwithoutDepranks.epf [2022-02-10 08:23:11,740 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 08:23:11,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 08:23:11,741 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 08:23:11,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 08:23:11,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 08:23:11,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 08:23:11,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 08:23:11,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 08:23:11,742 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 08:23:11,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 08:23:11,743 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 08:23:11,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 08:23:11,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 08:23:11,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 08:23:11,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 08:23:11,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 08:23:11,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 08:23:11,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 08:23:11,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 08:23:11,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 08:23:11,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 08:23:11,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 08:23:11,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 08:23:11,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 08:23:11,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 08:23:11,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 08:23:11,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 08:23:11,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 08:23:11,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 08:23:11,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 08:23:11,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 08:23:11,746 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 08:23:11,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 08:23:11,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 08:23:11,746 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 08:23:11,746 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 08:23:11,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 08:23:11,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 08:23:11,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 08:23:11,993 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 08:23:11,995 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 08:23:11,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-02-10 08:23:12,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbee03bc/3e7515516cd54009884ddbedf22f6209/FLAGccbdc7e9a [2022-02-10 08:23:12,455 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 08:23:12,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2022-02-10 08:23:12,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbee03bc/3e7515516cd54009884ddbedf22f6209/FLAGccbdc7e9a [2022-02-10 08:23:12,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffbee03bc/3e7515516cd54009884ddbedf22f6209 [2022-02-10 08:23:12,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 08:23:12,847 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 08:23:12,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 08:23:12,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 08:23:12,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 08:23:12,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 08:23:12" (1/1) ... [2022-02-10 08:23:12,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb138d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:12, skipping insertion in model container [2022-02-10 08:23:12,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 08:23:12" (1/1) ... [2022-02-10 08:23:12,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 08:23:12,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 08:23:13,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 08:23:13,209 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 08:23:13,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 08:23:13,289 INFO L208 MainTranslator]: Completed translation [2022-02-10 08:23:13,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13 WrapperNode [2022-02-10 08:23:13,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 08:23:13,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 08:23:13,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 08:23:13,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 08:23:13,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (1/1) ... [2022-02-10 08:23:13,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (1/1) ... [2022-02-10 08:23:13,362 INFO L137 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-02-10 08:23:13,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 08:23:13,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 08:23:13,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 08:23:13,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 08:23:13,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (1/1) ... [2022-02-10 08:23:13,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (1/1) ... [2022-02-10 08:23:13,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (1/1) ... [2022-02-10 08:23:13,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (1/1) ... [2022-02-10 08:23:13,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (1/1) ... [2022-02-10 08:23:13,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (1/1) ... [2022-02-10 08:23:13,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (1/1) ... [2022-02-10 08:23:13,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 08:23:13,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 08:23:13,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 08:23:13,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 08:23:13,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (1/1) ... [2022-02-10 08:23:13,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 08:23:13,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:23:13,437 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) [2022-02-10 08:23:13,438 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 [2022-02-10 08:23:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 08:23:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 08:23:13,464 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 08:23:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 08:23:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 08:23:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-10 08:23:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-10 08:23:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 08:23:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 08:23:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 08:23:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 08:23:13,467 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 08:23:13,564 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 08:23:13,565 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 08:23:13,745 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 08:23:13,752 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 08:23:13,753 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 08:23:13,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 08:23:13 BoogieIcfgContainer [2022-02-10 08:23:13,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 08:23:13,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 08:23:13,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 08:23:13,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 08:23:13,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 08:23:12" (1/3) ... [2022-02-10 08:23:13,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d50d62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 08:23:13, skipping insertion in model container [2022-02-10 08:23:13,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 08:23:13" (2/3) ... [2022-02-10 08:23:13,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d50d62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 08:23:13, skipping insertion in model container [2022-02-10 08:23:13,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 08:23:13" (3/3) ... [2022-02-10 08:23:13,762 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_11-fldsense_rc.i [2022-02-10 08:23:13,767 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 08:23:13,767 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 08:23:13,767 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-10 08:23:13,767 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 08:23:13,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,814 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,815 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,815 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,816 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,831 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,832 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 08:23:13,834 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-10 08:23:13,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 08:23:13,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 08:23:13,882 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) [2022-02-10 08:23:13,882 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 [2022-02-10 08:23:13,910 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 08:23:13,916 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 [2022-02-10 08:23:13,916 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-10 08:23:13,929 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 87 transitions, 179 flow [2022-02-10 08:23:14,019 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 760 states, 752 states have (on average 1.9042553191489362) internal successors, (1432), 759 states have internal predecessors, (1432), 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) [2022-02-10 08:23:14,100 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-02-10 08:23:14,103 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 08:23:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:23:14,108 INFO L85 PathProgramCache]: Analyzing trace with hash 117021383, now seen corresponding path program 1 times [2022-02-10 08:23:14,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:23:14,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459684089] [2022-02-10 08:23:14,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:23:14,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:23:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:23:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:23:14,474 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:23:14,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459684089] [2022-02-10 08:23:14,475 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459684089] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:23:14,475 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:23:14,475 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 08:23:14,476 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197297061] [2022-02-10 08:23:14,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:23:14,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 08:23:14,479 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:23:14,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 08:23:14,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 08:23:14,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:23:14,509 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:23:14,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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) [2022-02-10 08:23:14,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:23:14,684 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 69 transitions and produced 70 states. [2022-02-10 08:23:14,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 08:23:14,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 08:23:14,687 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 08:23:14,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:23:14,692 INFO L85 PathProgramCache]: Analyzing trace with hash -516503582, now seen corresponding path program 1 times [2022-02-10 08:23:14,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:23:14,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203372610] [2022-02-10 08:23:14,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:23:14,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:23:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:23:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:23:14,841 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:23:14,841 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203372610] [2022-02-10 08:23:14,841 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203372610] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:23:14,841 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:23:14,841 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 08:23:14,842 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861763543] [2022-02-10 08:23:14,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:23:14,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 08:23:14,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:23:14,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 08:23:14,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 08:23:14,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:23:14,844 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:23:14,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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) [2022-02-10 08:23:14,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-10 08:23:14,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:23:15,086 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 107 transitions and produced 108 states. [2022-02-10 08:23:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 08:23:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 08:23:15,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 08:23:15,087 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-10 08:23:15,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 08:23:15,089 INFO L85 PathProgramCache]: Analyzing trace with hash -262516171, now seen corresponding path program 1 times [2022-02-10 08:23:15,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 08:23:15,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256919691] [2022-02-10 08:23:15,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 08:23:15,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 08:23:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 08:23:15,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 08:23:15,359 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 08:23:15,360 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256919691] [2022-02-10 08:23:15,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256919691] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 08:23:15,360 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 08:23:15,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 08:23:15,361 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247846623] [2022-02-10 08:23:15,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 08:23:15,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 08:23:15,362 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 08:23:15,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 08:23:15,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 08:23:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 08:23:15,364 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 08:23:15,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 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) [2022-02-10 08:23:15,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-10 08:23:15,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-10 08:23:15,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.