/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:56:28,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:56:28,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:56:28,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:56:28,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:56:28,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:56:28,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:56:28,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:56:28,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:56:28,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:56:28,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:56:28,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:56:28,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:56:28,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:56:28,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:56:28,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:56:28,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:56:28,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:56:28,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:56:28,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:56:28,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:56:28,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:56:28,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:56:28,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:56:29,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:56:29,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:56:29,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:56:29,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:56:29,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:56:29,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:56:29,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:56:29,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:56:29,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:56:29,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:56:29,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:56:29,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:56:29,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:56:29,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:56:29,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:56:29,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:56:29,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:56:29,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:56:29,034 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:56:29,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:56:29,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:56:29,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:56:29,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:56:29,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:56:29,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:56:29,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:56:29,041 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:56:29,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:56:29,041 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:56:29,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:56:29,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:56:29,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:56:29,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:56:29,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:56:29,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:56:29,042 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:56:29,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:56:29,042 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:56:29,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:56:29,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:56:29,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:56:29,044 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:56:29,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:56:29,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:56:29,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:56:29,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:56:29,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:56:29,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:56:29,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:56:29,045 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:56:29,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:56:29,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:56:29,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:56:29,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:56:29,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:56:29,336 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:56:29,337 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:56:29,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-09-16 10:56:29,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f72c66f50/c386f67dedd84439a4d6e8816916cf93/FLAGb9e4cc40d [2022-09-16 10:56:29,865 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:56:29,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-09-16 10:56:29,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f72c66f50/c386f67dedd84439a4d6e8816916cf93/FLAGb9e4cc40d [2022-09-16 10:56:29,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f72c66f50/c386f67dedd84439a4d6e8816916cf93 [2022-09-16 10:56:29,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:56:29,891 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:56:29,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:56:29,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:56:29,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:56:29,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:56:29" (1/1) ... [2022-09-16 10:56:29,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e9e633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:29, skipping insertion in model container [2022-09-16 10:56:29,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:56:29" (1/1) ... [2022-09-16 10:56:29,908 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:56:29,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:56:30,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-09-16 10:56:30,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:56:30,209 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:56:30,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-09-16 10:56:30,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:56:30,276 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:56:30,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30 WrapperNode [2022-09-16 10:56:30,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:56:30,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:56:30,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:56:30,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:56:30,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (1/1) ... [2022-09-16 10:56:30,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (1/1) ... [2022-09-16 10:56:30,350 INFO L138 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 390 [2022-09-16 10:56:30,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:56:30,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:56:30,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:56:30,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:56:30,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (1/1) ... [2022-09-16 10:56:30,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (1/1) ... [2022-09-16 10:56:30,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (1/1) ... [2022-09-16 10:56:30,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (1/1) ... [2022-09-16 10:56:30,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (1/1) ... [2022-09-16 10:56:30,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (1/1) ... [2022-09-16 10:56:30,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (1/1) ... [2022-09-16 10:56:30,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:56:30,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:56:30,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:56:30,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:56:30,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (1/1) ... [2022-09-16 10:56:30,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:56:30,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:56:30,445 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) [2022-09-16 10:56:30,466 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 [2022-09-16 10:56:30,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:56:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:56:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:56:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:56:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-16 10:56:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-16 10:56:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-16 10:56:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-16 10:56:30,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-16 10:56:30,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-16 10:56:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-09-16 10:56:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-09-16 10:56:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:56:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-09-16 10:56:30,490 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-09-16 10:56:30,490 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-09-16 10:56:30,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-09-16 10:56:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-09-16 10:56:30,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-09-16 10:56:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2022-09-16 10:56:30,491 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2022-09-16 10:56:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:56:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:56:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:56:30,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:56:30,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:56:30,493 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:56:30,648 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:56:30,650 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:56:31,026 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:56:31,297 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:56:31,298 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:56:31,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:56:31 BoogieIcfgContainer [2022-09-16 10:56:31,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:56:31,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:56:31,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:56:31,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:56:31,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:56:29" (1/3) ... [2022-09-16 10:56:31,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b8e051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:56:31, skipping insertion in model container [2022-09-16 10:56:31,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:56:30" (2/3) ... [2022-09-16 10:56:31,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76b8e051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:56:31, skipping insertion in model container [2022-09-16 10:56:31,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:56:31" (3/3) ... [2022-09-16 10:56:31,308 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2022-09-16 10:56:31,315 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:56:31,324 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:56:31,324 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-09-16 10:56:31,324 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:56:31,435 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-09-16 10:56:31,493 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 288 places, 265 transitions, 594 flow