/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-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 10:29:53,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 10:29:53,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 10:29:53,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 10:29:53,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 10:29:53,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 10:29:53,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 10:29:53,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 10:29:53,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 10:29:53,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 10:29:53,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 10:29:53,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 10:29:53,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 10:29:53,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 10:29:53,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 10:29:53,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 10:29:53,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 10:29:53,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 10:29:53,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 10:29:53,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 10:29:53,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 10:29:53,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 10:29:53,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 10:29:53,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 10:29:53,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 10:29:53,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 10:29:53,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 10:29:53,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 10:29:53,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 10:29:53,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 10:29:53,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 10:29:53,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 10:29:53,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 10:29:53,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 10:29:53,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 10:29:53,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 10:29:53,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 10:29:53,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 10:29:53,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 10:29:53,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 10:29:53,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 10:29:53,541 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-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-13 10:29:53,565 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 10:29:53,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 10:29:53,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 10:29:53,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 10:29:53,568 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 10:29:53,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 10:29:53,568 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 10:29:53,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 10:29:53,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 10:29:53,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 10:29:53,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 10:29:53,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 10:29:53,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 10:29:53,570 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 10:29:53,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 10:29:53,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 10:29:53,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 10:29:53,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 10:29:53,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 10:29:53,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 10:29:53,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 10:29:53,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:29:53,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 10:29:53,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 10:29:53,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 10:29:53,571 INFO L138 SettingsManager]: * Use conditional commutativity for large block encoding in concurrent analysis=CONDITIONAL_CONJUNCTIVE [2022-12-13 10:29:53,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 10:29:53,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 10:29:53,571 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 10:29:53,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 10:29:53,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 10:29:53,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 10:29:53,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 10:29:53,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 10:29:53,897 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 10:29:53,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-12-13 10:29:54,912 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 10:29:55,102 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 10:29:55,103 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-12-13 10:29:55,107 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbedc4a0/0622a0b02b3d473fa3f016b4669b5ffd/FLAG853ebf9ac [2022-12-13 10:29:55,118 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bbedc4a0/0622a0b02b3d473fa3f016b4669b5ffd [2022-12-13 10:29:55,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 10:29:55,121 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 10:29:55,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 10:29:55,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 10:29:55,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 10:29:55,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba12bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55, skipping insertion in model container [2022-12-13 10:29:55,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 10:29:55,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 10:29:55,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 10:29:55,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 10:29:55,255 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 10:29:55,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 10:29:55,281 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-12-13 10:29:55,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:29:55,292 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 10:29:55,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 10:29:55,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 10:29:55,310 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 10:29:55,311 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 10:29:55,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-12-13 10:29:55,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 10:29:55,332 INFO L208 MainTranslator]: Completed translation [2022-12-13 10:29:55,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55 WrapperNode [2022-12-13 10:29:55,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 10:29:55,334 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 10:29:55,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 10:29:55,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 10:29:55,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,368 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2022-12-13 10:29:55,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 10:29:55,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 10:29:55,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 10:29:55,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 10:29:55,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 10:29:55,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 10:29:55,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 10:29:55,398 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 10:29:55,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (1/1) ... [2022-12-13 10:29:55,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 10:29:55,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 10:29:55,422 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) [2022-12-13 10:29:55,439 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 [2022-12-13 10:29:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 10:29:55,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 10:29:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 10:29:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 10:29:55,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 10:29:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 10:29:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 10:29:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 10:29:55,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 10:29:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 10:29:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 10:29:55,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 10:29:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 10:29:55,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 10:29:55,455 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 10:29:55,537 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 10:29:55,538 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 10:29:55,739 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 10:29:55,781 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 10:29:55,782 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 10:29:55,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:29:55 BoogieIcfgContainer [2022-12-13 10:29:55,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 10:29:55,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 10:29:55,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 10:29:55,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 10:29:55,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 10:29:55" (1/3) ... [2022-12-13 10:29:55,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78215d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:29:55, skipping insertion in model container [2022-12-13 10:29:55,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 10:29:55" (2/3) ... [2022-12-13 10:29:55,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78215d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 10:29:55, skipping insertion in model container [2022-12-13 10:29:55,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 10:29:55" (3/3) ... [2022-12-13 10:29:55,790 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2022-12-13 10:29:55,805 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 10:29:55,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 10:29:55,805 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 10:29:55,842 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 10:29:55,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 87 places, 87 transitions, 190 flow [2022-12-13 10:29:55,901 INFO L130 PetriNetUnfolder]: 7/85 cut-off events. [2022-12-13 10:29:55,901 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 10:29:55,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 85 events. 7/85 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 28 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2022-12-13 10:29:55,905 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 87 transitions, 190 flow [2022-12-13 10:29:55,908 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 77 transitions, 166 flow [2022-12-13 10:29:55,909 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 10:29:55,919 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 77 transitions, 166 flow [2022-12-13 10:29:55,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 77 transitions, 166 flow [2022-12-13 10:29:55,942 INFO L130 PetriNetUnfolder]: 7/77 cut-off events. [2022-12-13 10:29:55,943 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 10:29:55,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 77 events. 7/77 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 27 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2022-12-13 10:29:55,944 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 77 transitions, 166 flow [2022-12-13 10:29:55,945 INFO L226 LiptonReduction]: Number of co-enabled transitions 252 [2022-12-13 10:29:58,337 INFO L241 LiptonReduction]: Total number of compositions: 64 [2022-12-13 10:29:58,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 10:29:58,352 INFO L357 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=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7bedfe8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_CONJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 10:29:58,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 10:29:58,355 INFO L130 PetriNetUnfolder]: 2/12 cut-off events. [2022-12-13 10:29:58,355 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 10:29:58,355 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 10:29:58,355 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 10:29:58,356 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 10:29:58,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 10:29:58,374 INFO L85 PathProgramCache]: Analyzing trace with hash -919854398, now seen corresponding path program 1 times [2022-12-13 10:29:58,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 10:29:58,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908628616] [2022-12-13 10:29:58,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 10:29:58,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 10:29:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 10:29:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 10:29:58,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 10:29:58,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908628616] [2022-12-13 10:29:58,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908628616] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 10:29:58,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 10:29:58,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 10:29:58,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360355510] [2022-12-13 10:29:58,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 10:29:58,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 10:29:58,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 10:29:58,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 10:29:58,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 10:29:58,712 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 13 [2022-12-13 10:29:58,713 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 13 transitions, 38 flow. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-12-13 10:29:58,713 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 10:29:58,713 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 13 [2022-12-13 10:29:58,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 10:29:58,756 INFO L130 PetriNetUnfolder]: 21/39 cut-off events. [2022-12-13 10:29:58,756 INFO L131 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-12-13 10:29:58,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 39 events. 21/39 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 9 based on Foata normal form. 1/28 useless extension candidates. Maximal degree in co-relation 60. Up to 39 conditions per place. [2022-12-13 10:29:58,758 INFO L137 encePairwiseOnDemand]: 11/13 looper letters, 0 selfloop transitions, 0 changer transitions 12/12 dead transitions. [2022-12-13 10:29:58,758 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 19 places, 12 transitions, 60 flow [2022-12-13 10:29:58,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 10:29:58,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 10:29:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-12-13 10:29:58,765 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2022-12-13 10:29:58,767 INFO L175 Difference]: Start difference. First operand has 18 places, 13 transitions, 38 flow. Second operand 3 states and 13 transitions. [2022-12-13 10:29:58,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 19 places, 12 transitions, 60 flow [2022-12-13 10:29:58,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 12 transitions, 52 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 10:29:58,769 INFO L231 Difference]: Finished difference. Result has 15 places, 0 transitions, 0 flow [2022-12-13 10:29:58,770 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=13, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=15, PETRI_TRANSITIONS=0} [2022-12-13 10:29:58,773 INFO L295 CegarLoopForPetriNet]: 18 programPoint places, -3 predicate places. [2022-12-13 10:29:58,773 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 10:29:58,774 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 15 places, 0 transitions, 0 flow [2022-12-13 10:29:58,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2022-12-13 10:29:58,776 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 10:29:58,776 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 10:29:58,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2022-12-13 10:29:58,777 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 0 places, 0 transitions, 0 flow [2022-12-13 10:29:58,777 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 10:29:58,777 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 10:29:58,778 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 5 [2022-12-13 10:29:58,779 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-13 10:29:58,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-12-13 10:29:58,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-13 10:29:58,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-13 10:29:58,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-13 10:29:58,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 10:29:58,781 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 10:29:58,788 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 10:29:58,788 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 10:29:58,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 10:29:58 BasicIcfg [2022-12-13 10:29:58,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 10:29:58,795 INFO L158 Benchmark]: Toolchain (without parser) took 3673.95ms. Allocated memory was 200.3MB in the beginning and 268.4MB in the end (delta: 68.2MB). Free memory was 177.3MB in the beginning and 157.2MB in the end (delta: 20.1MB). Peak memory consumption was 89.1MB. Max. memory is 8.0GB. [2022-12-13 10:29:58,795 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 200.3MB. Free memory was 176.4MB in the beginning and 176.3MB in the end (delta: 87.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 10:29:58,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.10ms. Allocated memory is still 200.3MB. Free memory was 177.1MB in the beginning and 165.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-13 10:29:58,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.39ms. Allocated memory is still 200.3MB. Free memory was 165.0MB in the beginning and 163.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 10:29:58,804 INFO L158 Benchmark]: Boogie Preprocessor took 28.39ms. Allocated memory is still 200.3MB. Free memory was 163.4MB in the beginning and 162.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-13 10:29:58,804 INFO L158 Benchmark]: RCFGBuilder took 385.54ms. Allocated memory is still 200.3MB. Free memory was 162.4MB in the beginning and 146.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-12-13 10:29:58,804 INFO L158 Benchmark]: TraceAbstraction took 3009.53ms. Allocated memory was 200.3MB in the beginning and 268.4MB in the end (delta: 68.2MB). Free memory was 145.1MB in the beginning and 157.2MB in the end (delta: -12.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. [2022-12-13 10:29:58,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 200.3MB. Free memory was 176.4MB in the beginning and 176.3MB in the end (delta: 87.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 211.10ms. Allocated memory is still 200.3MB. Free memory was 177.1MB in the beginning and 165.5MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.39ms. Allocated memory is still 200.3MB. Free memory was 165.0MB in the beginning and 163.9MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.39ms. Allocated memory is still 200.3MB. Free memory was 163.4MB in the beginning and 162.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 385.54ms. Allocated memory is still 200.3MB. Free memory was 162.4MB in the beginning and 146.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3009.53ms. Allocated memory was 200.3MB in the beginning and 268.4MB in the end (delta: 68.2MB). Free memory was 145.1MB in the beginning and 157.2MB in the end (delta: -12.1MB). Peak memory consumption was 56.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 77 PlacesBefore, 18 PlacesAfterwards, 77 TransitionsBefore, 13 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 46 TrivialYvCompositions, 13 ConcurrentYvCompositions, 5 ChoiceCompositions, 64 TotalNumberOfCompositions, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 129, independent: 129, independent conditional: 129, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 129, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 129, independent: 129, independent conditional: 0, independent unconditional: 129, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 129, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 129, unknown conditional: 129, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 137, Positive cache size: 137, Positive conditional cache size: 137, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 0 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 10:29:58,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...