/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 19:06:49,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 19:06:49,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 19:06:49,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 19:06:49,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 19:06:49,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 19:06:49,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 19:06:49,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 19:06:49,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 19:06:49,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 19:06:49,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 19:06:49,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 19:06:49,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 19:06:49,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 19:06:49,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 19:06:49,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 19:06:49,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 19:06:49,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 19:06:49,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 19:06:49,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 19:06:49,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 19:06:49,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 19:06:49,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 19:06:49,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 19:06:49,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 19:06:49,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 19:06:49,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 19:06:49,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 19:06:49,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 19:06:49,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 19:06:49,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 19:06:49,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 19:06:49,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 19:06:49,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 19:06:49,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 19:06:49,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 19:06:49,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 19:06:49,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 19:06:49,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 19:06:49,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 19:06:49,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 19:06:49,499 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-NoLbe.epf [2022-12-11 19:06:49,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 19:06:49,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 19:06:49,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 19:06:49,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 19:06:49,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 19:06:49,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 19:06:49,534 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 19:06:49,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 19:06:49,534 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 19:06:49,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 19:06:49,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 19:06:49,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 19:06:49,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 19:06:49,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 19:06:49,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 19:06:49,535 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 19:06:49,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 19:06:49,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 19:06:49,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 19:06:49,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 19:06:49,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 19:06:49,536 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 19:06:49,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 19:06:49,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 19:06:49,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 19:06:49,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 19:06:49,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 19:06:49,537 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 19:06:49,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 19:06:49,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 19:06:49,537 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 19:06:49,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-11 19:06:49,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 19:06:49,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 19:06:49,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 19:06:49,788 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 19:06:49,788 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 19:06:49,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2022-12-11 19:06:50,782 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 19:06:51,008 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 19:06:51,009 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2022-12-11 19:06:51,017 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d664f5991/88a0ee587a6d4f5c800f26cf341196fb/FLAGe094f3d18 [2022-12-11 19:06:51,029 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d664f5991/88a0ee587a6d4f5c800f26cf341196fb [2022-12-11 19:06:51,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 19:06:51,031 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 19:06:51,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 19:06:51,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 19:06:51,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 19:06:51,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1458b648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51, skipping insertion in model container [2022-12-11 19:06:51,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 19:06:51,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 19:06:51,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] [2022-12-11 19:06:51,333 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,335 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,340 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,340 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,341 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,341 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,343 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,368 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,370 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,370 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,370 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,375 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,375 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,376 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,379 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,379 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 19:06:51,392 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 19:06:51,400 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i[944,957] [2022-12-11 19:06:51,420 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,420 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,423 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,431 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,433 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,434 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,439 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,439 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,444 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,446 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,456 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 19:06:51,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 19:06:51,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 19:06:51,492 INFO L208 MainTranslator]: Completed translation [2022-12-11 19:06:51,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51 WrapperNode [2022-12-11 19:06:51,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 19:06:51,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 19:06:51,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 19:06:51,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 19:06:51,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,549 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2022-12-11 19:06:51,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 19:06:51,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 19:06:51,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 19:06:51,550 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 19:06:51,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,577 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 19:06:51,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 19:06:51,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 19:06:51,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 19:06:51,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (1/1) ... [2022-12-11 19:06:51,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 19:06:51,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 19:06:51,637 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) [2022-12-11 19:06:51,639 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 [2022-12-11 19:06:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 19:06:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-11 19:06:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 19:06:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 19:06:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 19:06:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-11 19:06:51,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-11 19:06:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-11 19:06:51,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-11 19:06:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 19:06:51,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-11 19:06:51,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 19:06:51,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 19:06:51,682 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 19:06:51,768 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 19:06:51,769 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 19:06:52,038 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 19:06:52,170 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 19:06:52,170 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 19:06:52,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:06:52 BoogieIcfgContainer [2022-12-11 19:06:52,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 19:06:52,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 19:06:52,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 19:06:52,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 19:06:52,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 07:06:51" (1/3) ... [2022-12-11 19:06:52,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fe5d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:06:52, skipping insertion in model container [2022-12-11 19:06:52,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:06:51" (2/3) ... [2022-12-11 19:06:52,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fe5d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:06:52, skipping insertion in model container [2022-12-11 19:06:52,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:06:52" (3/3) ... [2022-12-11 19:06:52,177 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2022-12-11 19:06:52,188 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 19:06:52,188 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-11 19:06:52,188 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 19:06:52,234 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-11 19:06:52,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 90 transitions, 190 flow [2022-12-11 19:06:52,301 INFO L130 PetriNetUnfolder]: 2/88 cut-off events. [2022-12-11 19:06:52,302 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 19:06:52,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 88 events. 2/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2022-12-11 19:06:52,305 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 90 transitions, 190 flow [2022-12-11 19:06:52,308 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 93 places, 88 transitions, 182 flow [2022-12-11 19:06:52,314 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 19:06:52,319 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=PETRI_NET, 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;@7dad34db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 19:06:52,319 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-11 19:06:52,328 INFO L130 PetriNetUnfolder]: 0/55 cut-off events. [2022-12-11 19:06:52,328 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 19:06:52,329 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:06:52,329 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:06:52,329 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 19:06:52,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:06:52,333 INFO L85 PathProgramCache]: Analyzing trace with hash -234242816, now seen corresponding path program 1 times [2022-12-11 19:06:52,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:06:52,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610701114] [2022-12-11 19:06:52,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:06:52,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:06:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:06:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:06:52,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:06:52,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610701114] [2022-12-11 19:06:52,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610701114] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:06:52,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:06:52,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-11 19:06:52,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593102995] [2022-12-11 19:06:52,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:06:52,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-11 19:06:52,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:06:52,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-11 19:06:52,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-11 19:06:52,845 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 90 [2022-12-11 19:06:52,848 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 88 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2022-12-11 19:06:52,848 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:06:52,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 90 [2022-12-11 19:06:52,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:06:52,950 INFO L130 PetriNetUnfolder]: 31/172 cut-off events. [2022-12-11 19:06:52,950 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-11 19:06:52,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 246 conditions, 172 events. 31/172 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 528 event pairs, 3 based on Foata normal form. 13/175 useless extension candidates. Maximal degree in co-relation 201. Up to 53 conditions per place. [2022-12-11 19:06:52,952 INFO L137 encePairwiseOnDemand]: 85/90 looper letters, 11 selfloop transitions, 2 changer transitions 0/87 dead transitions. [2022-12-11 19:06:52,953 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 87 transitions, 206 flow [2022-12-11 19:06:52,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-11 19:06:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-11 19:06:52,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 246 transitions. [2022-12-11 19:06:52,971 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9111111111111111 [2022-12-11 19:06:52,973 INFO L175 Difference]: Start difference. First operand has 93 places, 88 transitions, 182 flow. Second operand 3 states and 246 transitions. [2022-12-11 19:06:52,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 87 transitions, 206 flow [2022-12-11 19:06:52,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 87 transitions, 204 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-11 19:06:52,978 INFO L231 Difference]: Finished difference. Result has 91 places, 84 transitions, 176 flow [2022-12-11 19:06:52,980 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=91, PETRI_TRANSITIONS=84} [2022-12-11 19:06:52,984 INFO L295 CegarLoopForPetriNet]: 93 programPoint places, -2 predicate places. [2022-12-11 19:06:52,984 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 84 transitions, 176 flow [2022-12-11 19:06:52,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2022-12-11 19:06:52,984 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:06:52,985 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:06:52,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 19:06:52,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 19:06:52,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:06:52,987 INFO L85 PathProgramCache]: Analyzing trace with hash 313066395, now seen corresponding path program 1 times [2022-12-11 19:06:52,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:06:52,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499986828] [2022-12-11 19:06:52,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:06:52,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:06:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:06:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:06:53,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:06:53,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499986828] [2022-12-11 19:06:53,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499986828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:06:53,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:06:53,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 19:06:53,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593410838] [2022-12-11 19:06:53,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:06:53,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 19:06:53,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:06:53,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 19:06:53,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-11 19:06:53,915 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 90 [2022-12-11 19:06:53,916 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 84 transitions, 176 flow. Second operand has 7 states, 7 states have (on average 60.714285714285715) internal successors, (425), 7 states have internal predecessors, (425), 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) [2022-12-11 19:06:53,916 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:06:53,916 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 90 [2022-12-11 19:06:53,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:06:54,536 INFO L130 PetriNetUnfolder]: 395/1028 cut-off events. [2022-12-11 19:06:54,537 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-12-11 19:06:54,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1759 conditions, 1028 events. 395/1028 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 6110 event pairs, 82 based on Foata normal form. 0/989 useless extension candidates. Maximal degree in co-relation 1704. Up to 248 conditions per place. [2022-12-11 19:06:54,542 INFO L137 encePairwiseOnDemand]: 79/90 looper letters, 32 selfloop transitions, 7 changer transitions 65/153 dead transitions. [2022-12-11 19:06:54,542 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 153 transitions, 514 flow [2022-12-11 19:06:54,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-11 19:06:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-11 19:06:54,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 854 transitions. [2022-12-11 19:06:54,546 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7299145299145299 [2022-12-11 19:06:54,546 INFO L175 Difference]: Start difference. First operand has 91 places, 84 transitions, 176 flow. Second operand 13 states and 854 transitions. [2022-12-11 19:06:54,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 153 transitions, 514 flow [2022-12-11 19:06:54,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 153 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-11 19:06:54,549 INFO L231 Difference]: Finished difference. Result has 113 places, 81 transitions, 250 flow [2022-12-11 19:06:54,549 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=250, PETRI_PLACES=113, PETRI_TRANSITIONS=81} [2022-12-11 19:06:54,550 INFO L295 CegarLoopForPetriNet]: 93 programPoint places, 20 predicate places. [2022-12-11 19:06:54,550 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 81 transitions, 250 flow [2022-12-11 19:06:54,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 60.714285714285715) internal successors, (425), 7 states have internal predecessors, (425), 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) [2022-12-11 19:06:54,550 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:06:54,550 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:06:54,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 19:06:54,551 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 19:06:54,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:06:54,551 INFO L85 PathProgramCache]: Analyzing trace with hash -576424391, now seen corresponding path program 1 times [2022-12-11 19:06:54,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:06:54,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428673215] [2022-12-11 19:06:54,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:06:54,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:06:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:06:55,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:06:55,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:06:55,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428673215] [2022-12-11 19:06:55,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428673215] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:06:55,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:06:55,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 19:06:55,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567556088] [2022-12-11 19:06:55,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:06:55,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 19:06:55,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:06:55,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 19:06:55,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-11 19:06:55,255 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 90 [2022-12-11 19:06:55,255 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 81 transitions, 250 flow. Second operand has 7 states, 7 states have (on average 61.142857142857146) internal successors, (428), 7 states have internal predecessors, (428), 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) [2022-12-11 19:06:55,255 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:06:55,255 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 90 [2022-12-11 19:06:55,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:06:55,653 INFO L130 PetriNetUnfolder]: 203/501 cut-off events. [2022-12-11 19:06:55,653 INFO L131 PetriNetUnfolder]: For 979/1269 co-relation queries the response was YES. [2022-12-11 19:06:55,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1745 conditions, 501 events. 203/501 cut-off events. For 979/1269 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2286 event pairs, 58 based on Foata normal form. 17/495 useless extension candidates. Maximal degree in co-relation 1678. Up to 188 conditions per place. [2022-12-11 19:06:55,656 INFO L137 encePairwiseOnDemand]: 79/90 looper letters, 34 selfloop transitions, 8 changer transitions 46/137 dead transitions. [2022-12-11 19:06:55,656 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 137 transitions, 786 flow [2022-12-11 19:06:55,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-11 19:06:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-11 19:06:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 835 transitions. [2022-12-11 19:06:55,658 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7136752136752137 [2022-12-11 19:06:55,659 INFO L175 Difference]: Start difference. First operand has 113 places, 81 transitions, 250 flow. Second operand 13 states and 835 transitions. [2022-12-11 19:06:55,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 137 transitions, 786 flow [2022-12-11 19:06:55,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 137 transitions, 736 flow, removed 24 selfloop flow, removed 4 redundant places. [2022-12-11 19:06:55,665 INFO L231 Difference]: Finished difference. Result has 116 places, 84 transitions, 324 flow [2022-12-11 19:06:55,665 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=324, PETRI_PLACES=116, PETRI_TRANSITIONS=84} [2022-12-11 19:06:55,666 INFO L295 CegarLoopForPetriNet]: 93 programPoint places, 23 predicate places. [2022-12-11 19:06:55,666 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 84 transitions, 324 flow [2022-12-11 19:06:55,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 61.142857142857146) internal successors, (428), 7 states have internal predecessors, (428), 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) [2022-12-11 19:06:55,666 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:06:55,666 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:06:55,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 19:06:55,667 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 19:06:55,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:06:55,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1198785428, now seen corresponding path program 1 times [2022-12-11 19:06:55,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:06:55,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651172607] [2022-12-11 19:06:55,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:06:55,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:06:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:06:56,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:06:56,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:06:56,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651172607] [2022-12-11 19:06:56,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651172607] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:06:56,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:06:56,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-11 19:06:56,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303321302] [2022-12-11 19:06:56,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:06:56,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-11 19:06:56,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:06:56,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-11 19:06:56,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-12-11 19:06:56,652 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 90 [2022-12-11 19:06:56,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 84 transitions, 324 flow. Second operand has 11 states, 11 states have (on average 64.72727272727273) internal successors, (712), 11 states have internal predecessors, (712), 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) [2022-12-11 19:06:56,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:06:56,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 90 [2022-12-11 19:06:56,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:06:56,935 INFO L130 PetriNetUnfolder]: 123/343 cut-off events. [2022-12-11 19:06:56,935 INFO L131 PetriNetUnfolder]: For 1386/1672 co-relation queries the response was YES. [2022-12-11 19:06:56,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1313 conditions, 343 events. 123/343 cut-off events. For 1386/1672 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1410 event pairs, 45 based on Foata normal form. 53/382 useless extension candidates. Maximal degree in co-relation 1237. Up to 158 conditions per place. [2022-12-11 19:06:56,939 INFO L137 encePairwiseOnDemand]: 78/90 looper letters, 30 selfloop transitions, 11 changer transitions 28/125 dead transitions. [2022-12-11 19:06:56,940 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 125 transitions, 735 flow [2022-12-11 19:06:56,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-11 19:06:56,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-11 19:06:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 941 transitions. [2022-12-11 19:06:56,944 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7468253968253968 [2022-12-11 19:06:56,944 INFO L175 Difference]: Start difference. First operand has 116 places, 84 transitions, 324 flow. Second operand 14 states and 941 transitions. [2022-12-11 19:06:56,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 125 transitions, 735 flow [2022-12-11 19:06:56,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 125 transitions, 683 flow, removed 24 selfloop flow, removed 7 redundant places. [2022-12-11 19:06:56,950 INFO L231 Difference]: Finished difference. Result has 123 places, 92 transitions, 399 flow [2022-12-11 19:06:56,950 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=297, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=399, PETRI_PLACES=123, PETRI_TRANSITIONS=92} [2022-12-11 19:06:56,950 INFO L295 CegarLoopForPetriNet]: 93 programPoint places, 30 predicate places. [2022-12-11 19:06:56,951 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 92 transitions, 399 flow [2022-12-11 19:06:56,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.72727272727273) internal successors, (712), 11 states have internal predecessors, (712), 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) [2022-12-11 19:06:56,951 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:06:56,951 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:06:56,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-11 19:06:56,952 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 19:06:56,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:06:56,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1692995350, now seen corresponding path program 1 times [2022-12-11 19:06:56,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:06:56,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145751895] [2022-12-11 19:06:56,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:06:56,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:06:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:06:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:06:58,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:06:58,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145751895] [2022-12-11 19:06:58,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145751895] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:06:58,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:06:58,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-11 19:06:58,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947444073] [2022-12-11 19:06:58,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:06:58,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-11 19:06:58,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:06:58,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-11 19:06:58,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-12-11 19:06:58,009 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 90 [2022-12-11 19:06:58,010 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 92 transitions, 399 flow. Second operand has 15 states, 15 states have (on average 59.53333333333333) internal successors, (893), 15 states have internal predecessors, (893), 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) [2022-12-11 19:06:58,010 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:06:58,010 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 90 [2022-12-11 19:06:58,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:06:58,540 INFO L130 PetriNetUnfolder]: 248/663 cut-off events. [2022-12-11 19:06:58,541 INFO L131 PetriNetUnfolder]: For 2454/2685 co-relation queries the response was YES. [2022-12-11 19:06:58,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2287 conditions, 663 events. 248/663 cut-off events. For 2454/2685 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3512 event pairs, 62 based on Foata normal form. 45/680 useless extension candidates. Maximal degree in co-relation 2235. Up to 184 conditions per place. [2022-12-11 19:06:58,546 INFO L137 encePairwiseOnDemand]: 76/90 looper letters, 53 selfloop transitions, 16 changer transitions 41/161 dead transitions. [2022-12-11 19:06:58,546 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 161 transitions, 983 flow [2022-12-11 19:06:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-11 19:06:58,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2022-12-11 19:06:58,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1380 transitions. [2022-12-11 19:06:58,549 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.696969696969697 [2022-12-11 19:06:58,549 INFO L175 Difference]: Start difference. First operand has 123 places, 92 transitions, 399 flow. Second operand 22 states and 1380 transitions. [2022-12-11 19:06:58,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 161 transitions, 983 flow [2022-12-11 19:06:58,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 161 transitions, 887 flow, removed 46 selfloop flow, removed 14 redundant places. [2022-12-11 19:06:58,556 INFO L231 Difference]: Finished difference. Result has 139 places, 96 transitions, 449 flow [2022-12-11 19:06:58,556 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=353, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=449, PETRI_PLACES=139, PETRI_TRANSITIONS=96} [2022-12-11 19:06:58,557 INFO L295 CegarLoopForPetriNet]: 93 programPoint places, 46 predicate places. [2022-12-11 19:06:58,557 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 96 transitions, 449 flow [2022-12-11 19:06:58,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 59.53333333333333) internal successors, (893), 15 states have internal predecessors, (893), 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) [2022-12-11 19:06:58,558 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:06:58,558 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:06:58,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-11 19:06:58,559 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 19:06:58,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:06:58,560 INFO L85 PathProgramCache]: Analyzing trace with hash -326263947, now seen corresponding path program 1 times [2022-12-11 19:06:58,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:06:58,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786312303] [2022-12-11 19:06:58,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:06:58,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:06:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:06:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:06:58,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:06:58,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786312303] [2022-12-11 19:06:58,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786312303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:06:58,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:06:58,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 19:06:58,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392228685] [2022-12-11 19:06:58,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:06:58,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 19:06:58,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:06:58,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 19:06:58,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 19:06:58,748 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 90 [2022-12-11 19:06:58,749 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 96 transitions, 449 flow. Second operand has 6 states, 6 states have (on average 69.33333333333333) internal successors, (416), 6 states have internal predecessors, (416), 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) [2022-12-11 19:06:58,749 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:06:58,749 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 90 [2022-12-11 19:06:58,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:06:58,957 INFO L130 PetriNetUnfolder]: 302/714 cut-off events. [2022-12-11 19:06:58,957 INFO L131 PetriNetUnfolder]: For 2795/2844 co-relation queries the response was YES. [2022-12-11 19:06:58,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2674 conditions, 714 events. 302/714 cut-off events. For 2795/2844 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3776 event pairs, 25 based on Foata normal form. 43/740 useless extension candidates. Maximal degree in co-relation 2589. Up to 188 conditions per place. [2022-12-11 19:06:58,963 INFO L137 encePairwiseOnDemand]: 81/90 looper letters, 44 selfloop transitions, 9 changer transitions 58/175 dead transitions. [2022-12-11 19:06:58,963 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 175 transitions, 1309 flow [2022-12-11 19:06:58,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-11 19:06:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-11 19:06:58,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 750 transitions. [2022-12-11 19:06:58,965 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2022-12-11 19:06:58,965 INFO L175 Difference]: Start difference. First operand has 139 places, 96 transitions, 449 flow. Second operand 10 states and 750 transitions. [2022-12-11 19:06:58,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 175 transitions, 1309 flow [2022-12-11 19:06:58,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 175 transitions, 1248 flow, removed 17 selfloop flow, removed 15 redundant places. [2022-12-11 19:06:58,971 INFO L231 Difference]: Finished difference. Result has 128 places, 99 transitions, 455 flow [2022-12-11 19:06:58,971 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=455, PETRI_PLACES=128, PETRI_TRANSITIONS=99} [2022-12-11 19:06:58,972 INFO L295 CegarLoopForPetriNet]: 93 programPoint places, 35 predicate places. [2022-12-11 19:06:58,972 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 99 transitions, 455 flow [2022-12-11 19:06:58,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.33333333333333) internal successors, (416), 6 states have internal predecessors, (416), 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) [2022-12-11 19:06:58,972 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:06:58,973 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:06:58,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-11 19:06:58,973 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 19:06:58,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:06:58,973 INFO L85 PathProgramCache]: Analyzing trace with hash 96110292, now seen corresponding path program 1 times [2022-12-11 19:06:58,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:06:58,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088362746] [2022-12-11 19:06:58,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:06:58,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:06:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:07:00,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:07:00,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:07:00,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088362746] [2022-12-11 19:07:00,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088362746] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:07:00,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:07:00,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-11 19:07:00,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327602611] [2022-12-11 19:07:00,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:07:00,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-11 19:07:00,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:07:00,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-11 19:07:00,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-12-11 19:07:00,169 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 90 [2022-12-11 19:07:00,170 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 99 transitions, 455 flow. Second operand has 13 states, 13 states have (on average 61.84615384615385) internal successors, (804), 13 states have internal predecessors, (804), 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) [2022-12-11 19:07:00,170 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:07:00,170 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 90 [2022-12-11 19:07:00,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:07:00,518 INFO L130 PetriNetUnfolder]: 71/419 cut-off events. [2022-12-11 19:07:00,518 INFO L131 PetriNetUnfolder]: For 882/912 co-relation queries the response was YES. [2022-12-11 19:07:00,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1423 conditions, 419 events. 71/419 cut-off events. For 882/912 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2240 event pairs, 14 based on Foata normal form. 21/422 useless extension candidates. Maximal degree in co-relation 1333. Up to 96 conditions per place. [2022-12-11 19:07:00,520 INFO L137 encePairwiseOnDemand]: 78/90 looper letters, 50 selfloop transitions, 11 changer transitions 15/136 dead transitions. [2022-12-11 19:07:00,520 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 136 transitions, 896 flow [2022-12-11 19:07:00,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-11 19:07:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-11 19:07:00,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 775 transitions. [2022-12-11 19:07:00,522 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7175925925925926 [2022-12-11 19:07:00,522 INFO L175 Difference]: Start difference. First operand has 128 places, 99 transitions, 455 flow. Second operand 12 states and 775 transitions. [2022-12-11 19:07:00,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 136 transitions, 896 flow [2022-12-11 19:07:00,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 136 transitions, 890 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-12-11 19:07:00,527 INFO L231 Difference]: Finished difference. Result has 141 places, 104 transitions, 541 flow [2022-12-11 19:07:00,528 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=541, PETRI_PLACES=141, PETRI_TRANSITIONS=104} [2022-12-11 19:07:00,528 INFO L295 CegarLoopForPetriNet]: 93 programPoint places, 48 predicate places. [2022-12-11 19:07:00,528 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 104 transitions, 541 flow [2022-12-11 19:07:00,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 61.84615384615385) internal successors, (804), 13 states have internal predecessors, (804), 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) [2022-12-11 19:07:00,529 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:07:00,529 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:07:00,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-11 19:07:00,530 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 19:07:00,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:07:00,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1268394546, now seen corresponding path program 2 times [2022-12-11 19:07:00,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:07:00,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717672924] [2022-12-11 19:07:00,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:07:00,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:07:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:07:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:07:00,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:07:00,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717672924] [2022-12-11 19:07:00,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717672924] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:07:00,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:07:00,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 19:07:00,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593303771] [2022-12-11 19:07:00,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:07:00,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 19:07:00,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:07:00,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 19:07:00,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-11 19:07:00,688 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 90 [2022-12-11 19:07:00,688 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 104 transitions, 541 flow. Second operand has 7 states, 7 states have (on average 69.28571428571429) internal successors, (485), 7 states have internal predecessors, (485), 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) [2022-12-11 19:07:00,688 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:07:00,688 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 90 [2022-12-11 19:07:00,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:07:00,915 INFO L130 PetriNetUnfolder]: 343/800 cut-off events. [2022-12-11 19:07:00,915 INFO L131 PetriNetUnfolder]: For 5378/5467 co-relation queries the response was YES. [2022-12-11 19:07:00,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3821 conditions, 800 events. 343/800 cut-off events. For 5378/5467 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 4783 event pairs, 30 based on Foata normal form. 87/871 useless extension candidates. Maximal degree in co-relation 3781. Up to 265 conditions per place. [2022-12-11 19:07:00,921 INFO L137 encePairwiseOnDemand]: 81/90 looper letters, 35 selfloop transitions, 10 changer transitions 66/175 dead transitions. [2022-12-11 19:07:00,922 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 175 transitions, 1459 flow [2022-12-11 19:07:00,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-11 19:07:00,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-11 19:07:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 938 transitions. [2022-12-11 19:07:00,925 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8017094017094017 [2022-12-11 19:07:00,925 INFO L175 Difference]: Start difference. First operand has 141 places, 104 transitions, 541 flow. Second operand 13 states and 938 transitions. [2022-12-11 19:07:00,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 175 transitions, 1459 flow [2022-12-11 19:07:00,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 175 transitions, 1294 flow, removed 60 selfloop flow, removed 12 redundant places. [2022-12-11 19:07:00,934 INFO L231 Difference]: Finished difference. Result has 145 places, 101 transitions, 483 flow [2022-12-11 19:07:00,935 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=455, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=483, PETRI_PLACES=145, PETRI_TRANSITIONS=101} [2022-12-11 19:07:00,935 INFO L295 CegarLoopForPetriNet]: 93 programPoint places, 52 predicate places. [2022-12-11 19:07:00,935 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 101 transitions, 483 flow [2022-12-11 19:07:00,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 69.28571428571429) internal successors, (485), 7 states have internal predecessors, (485), 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) [2022-12-11 19:07:00,936 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:07:00,936 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:07:00,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-11 19:07:00,936 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 19:07:00,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:07:00,937 INFO L85 PathProgramCache]: Analyzing trace with hash -426932128, now seen corresponding path program 1 times [2022-12-11 19:07:00,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:07:00,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745354872] [2022-12-11 19:07:00,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:07:00,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:07:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:07:03,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:07:03,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:07:03,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745354872] [2022-12-11 19:07:03,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745354872] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:07:03,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:07:03,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-12-11 19:07:03,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84606503] [2022-12-11 19:07:03,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:07:03,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-11 19:07:03,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:07:03,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-11 19:07:03,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2022-12-11 19:07:03,025 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 90 [2022-12-11 19:07:03,026 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 101 transitions, 483 flow. Second operand has 18 states, 18 states have (on average 60.44444444444444) internal successors, (1088), 18 states have internal predecessors, (1088), 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) [2022-12-11 19:07:03,026 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:07:03,026 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 90 [2022-12-11 19:07:03,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:07:03,399 INFO L130 PetriNetUnfolder]: 22/235 cut-off events. [2022-12-11 19:07:03,399 INFO L131 PetriNetUnfolder]: For 503/514 co-relation queries the response was YES. [2022-12-11 19:07:03,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 764 conditions, 235 events. 22/235 cut-off events. For 503/514 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1034 event pairs, 3 based on Foata normal form. 5/229 useless extension candidates. Maximal degree in co-relation 711. Up to 33 conditions per place. [2022-12-11 19:07:03,400 INFO L137 encePairwiseOnDemand]: 75/90 looper letters, 26 selfloop transitions, 11 changer transitions 14/110 dead transitions. [2022-12-11 19:07:03,400 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 110 transitions, 637 flow [2022-12-11 19:07:03,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-11 19:07:03,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-11 19:07:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 988 transitions. [2022-12-11 19:07:03,416 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6861111111111111 [2022-12-11 19:07:03,416 INFO L175 Difference]: Start difference. First operand has 145 places, 101 transitions, 483 flow. Second operand 16 states and 988 transitions. [2022-12-11 19:07:03,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 110 transitions, 637 flow [2022-12-11 19:07:03,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 110 transitions, 558 flow, removed 27 selfloop flow, removed 15 redundant places. [2022-12-11 19:07:03,419 INFO L231 Difference]: Finished difference. Result has 143 places, 96 transitions, 433 flow [2022-12-11 19:07:03,419 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=433, PETRI_PLACES=143, PETRI_TRANSITIONS=96} [2022-12-11 19:07:03,420 INFO L295 CegarLoopForPetriNet]: 93 programPoint places, 50 predicate places. [2022-12-11 19:07:03,420 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 96 transitions, 433 flow [2022-12-11 19:07:03,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 60.44444444444444) internal successors, (1088), 18 states have internal predecessors, (1088), 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) [2022-12-11 19:07:03,420 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:07:03,420 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:07:03,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-11 19:07:03,421 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 19:07:03,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:07:03,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1015596836, now seen corresponding path program 2 times [2022-12-11 19:07:03,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:07:03,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35252713] [2022-12-11 19:07:03,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:07:03,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:07:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:07:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:07:03,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:07:03,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35252713] [2022-12-11 19:07:03,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35252713] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:07:03,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:07:03,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 19:07:03,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255269979] [2022-12-11 19:07:03,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:07:03,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 19:07:03,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:07:03,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 19:07:03,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-11 19:07:03,933 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 90 [2022-12-11 19:07:03,933 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 96 transitions, 433 flow. Second operand has 7 states, 7 states have (on average 61.857142857142854) internal successors, (433), 7 states have internal predecessors, (433), 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) [2022-12-11 19:07:03,933 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:07:03,933 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 90 [2022-12-11 19:07:03,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:07:04,112 INFO L130 PetriNetUnfolder]: 16/182 cut-off events. [2022-12-11 19:07:04,112 INFO L131 PetriNetUnfolder]: For 210/210 co-relation queries the response was YES. [2022-12-11 19:07:04,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 182 events. 16/182 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 714 event pairs, 0 based on Foata normal form. 1/176 useless extension candidates. Maximal degree in co-relation 506. Up to 23 conditions per place. [2022-12-11 19:07:04,113 INFO L137 encePairwiseOnDemand]: 83/90 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2022-12-11 19:07:04,113 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 97 transitions, 539 flow [2022-12-11 19:07:04,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 19:07:04,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 19:07:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 436 transitions. [2022-12-11 19:07:04,114 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.692063492063492 [2022-12-11 19:07:04,114 INFO L175 Difference]: Start difference. First operand has 143 places, 96 transitions, 433 flow. Second operand 7 states and 436 transitions. [2022-12-11 19:07:04,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 97 transitions, 539 flow [2022-12-11 19:07:04,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 97 transitions, 485 flow, removed 10 selfloop flow, removed 19 redundant places. [2022-12-11 19:07:04,116 INFO L231 Difference]: Finished difference. Result has 120 places, 0 transitions, 0 flow [2022-12-11 19:07:04,117 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=120, PETRI_TRANSITIONS=0} [2022-12-11 19:07:04,117 INFO L295 CegarLoopForPetriNet]: 93 programPoint places, 27 predicate places. [2022-12-11 19:07:04,117 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 0 transitions, 0 flow [2022-12-11 19:07:04,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 61.857142857142854) internal successors, (433), 7 states have internal predecessors, (433), 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) [2022-12-11 19:07:04,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-11 19:07:04,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-11 19:07:04,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-11 19:07:04,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-11 19:07:04,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-11 19:07:04,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-11 19:07:04,121 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2022-12-11 19:07:04,125 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 19:07:04,125 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 19:07:04,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 07:07:04 BasicIcfg [2022-12-11 19:07:04,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 19:07:04,142 INFO L158 Benchmark]: Toolchain (without parser) took 13110.49ms. Allocated memory was 191.9MB in the beginning and 543.2MB in the end (delta: 351.3MB). Free memory was 167.1MB in the beginning and 506.3MB in the end (delta: -339.2MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. [2022-12-11 19:07:04,142 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 19:07:04,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.22ms. Allocated memory is still 191.9MB. Free memory was 166.5MB in the beginning and 139.1MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-11 19:07:04,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.15ms. Allocated memory is still 191.9MB. Free memory was 139.1MB in the beginning and 136.0MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-11 19:07:04,143 INFO L158 Benchmark]: Boogie Preprocessor took 46.38ms. Allocated memory is still 191.9MB. Free memory was 136.0MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 19:07:04,143 INFO L158 Benchmark]: RCFGBuilder took 574.42ms. Allocated memory is still 191.9MB. Free memory was 134.0MB in the beginning and 153.1MB in the end (delta: -19.2MB). Peak memory consumption was 35.9MB. Max. memory is 8.0GB. [2022-12-11 19:07:04,143 INFO L158 Benchmark]: TraceAbstraction took 11968.42ms. Allocated memory was 191.9MB in the beginning and 543.2MB in the end (delta: 351.3MB). Free memory was 152.1MB in the beginning and 506.3MB in the end (delta: -354.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 19:07:04,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 460.22ms. Allocated memory is still 191.9MB. Free memory was 166.5MB in the beginning and 139.1MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.15ms. Allocated memory is still 191.9MB. Free memory was 139.1MB in the beginning and 136.0MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.38ms. Allocated memory is still 191.9MB. Free memory was 136.0MB in the beginning and 134.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 574.42ms. Allocated memory is still 191.9MB. Free memory was 134.0MB in the beginning and 153.1MB in the end (delta: -19.2MB). Peak memory consumption was 35.9MB. Max. memory is 8.0GB. * TraceAbstraction took 11968.42ms. Allocated memory was 191.9MB in the beginning and 543.2MB in the end (delta: 351.3MB). Free memory was 152.1MB in the beginning and 506.3MB in the end (delta: -354.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: 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, 110 locations, 5 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: 11.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 565 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 565 mSDsluCounter, 707 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 570 mSDsCounter, 85 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1482 IncrementalHoareTripleChecker+Invalid, 1567 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 85 mSolverCounterUnsat, 137 mSDtfsCounter, 1482 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=541occurred in iteration=7, InterpolantAutomatonStates: 123, 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, 0.3s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 642 NumberOfCodeBlocks, 642 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 632 ConstructedInterpolants, 0 QuantifiedInterpolants, 4413 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-11 19:07:04,161 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...