./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/time_var_mutex.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/time_var_mutex.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:00:31,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:00:31,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:00:31,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:00:31,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:00:31,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:00:31,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:00:31,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:00:31,555 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:00:31,560 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:00:31,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:00:31,560 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:00:31,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:00:31,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:00:31,563 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:00:31,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:00:31,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:00:31,564 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:00:31,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:00:31,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:00:31,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:00:31,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:00:31,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:00:31,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:00:31,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:00:31,568 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:00:31,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:00:31,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:00:31,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:00:31,569 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:00:31,570 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:00:31,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:00:31,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:00:31,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:00:31,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:00:31,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:00:31,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:00:31,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:00:31,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:00:31,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:00:31,573 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:00:31,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:00:31,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:00:31,573 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:00:31,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:00:31,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:00:31,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:00:31,884 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:00:31,885 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:00:31,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/time_var_mutex.yml/witness.yml [2024-02-07 19:00:32,083 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:00:32,083 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:00:32,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2024-02-07 19:00:33,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:00:33,774 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:00:33,775 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2024-02-07 19:00:33,797 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a1dd3fa1/f4e1f12b0d5f499ea314a919abc69c62/FLAGc3c303772 [2024-02-07 19:00:33,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a1dd3fa1/f4e1f12b0d5f499ea314a919abc69c62 [2024-02-07 19:00:33,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:00:33,813 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:00:33,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:00:33,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:00:33,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:00:33,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:00:32" (1/2) ... [2024-02-07 19:00:33,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1349ba22 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:00:33, skipping insertion in model container [2024-02-07 19:00:33,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:00:32" (1/2) ... [2024-02-07 19:00:33,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d6ecdd7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:00:33, skipping insertion in model container [2024-02-07 19:00:33,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:00:33" (2/2) ... [2024-02-07 19:00:33,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1349ba22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:33, skipping insertion in model container [2024-02-07 19:00:33,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:00:33" (2/2) ... [2024-02-07 19:00:33,822 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:00:33,858 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:00:33,859 INFO L76 edCorrectnessWitness]: Location invariant before [L698-L698] busy == 1 [2024-02-07 19:00:33,859 INFO L76 edCorrectnessWitness]: Location invariant before [L695-L695] ((0 <= inode) && (inode <= 1)) && (inode == 0 || inode == 1) [2024-02-07 19:00:33,859 INFO L76 edCorrectnessWitness]: Location invariant before [L702-L702] ((0 <= block) && (block <= 1)) && (block == 0 || block == 1) [2024-02-07 19:00:33,859 INFO L76 edCorrectnessWitness]: Location invariant before [L701-L701] inode == 1 [2024-02-07 19:00:33,860 INFO L76 edCorrectnessWitness]: Location invariant before [L708-L708] (((((0 <= block) && (0 <= busy)) && (block <= 1)) && (busy <= 1)) && (block == 0 || block == 1)) && (busy == 0 || busy == 1) [2024-02-07 19:00:33,860 INFO L76 edCorrectnessWitness]: Location invariant before [L699-L699] inode == 0 [2024-02-07 19:00:33,860 INFO L76 edCorrectnessWitness]: Location invariant before [L717-L717] (busy == 0) && (inode == 0) [2024-02-07 19:00:33,860 INFO L76 edCorrectnessWitness]: Location invariant before [L710-L710] (((0 <= block) && (block <= 1)) && (busy == 0)) && (block == 0 || block == 1) [2024-02-07 19:00:33,884 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:00:34,067 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2024-02-07 19:00:34,072 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2024-02-07 19:00:34,076 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:00:34,085 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:00:34,145 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] Start Parsing Local Start Parsing Local [2024-02-07 19:00:34,148 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] Start Parsing Local [2024-02-07 19:00:34,151 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:00:34,276 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:00:34,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34 WrapperNode [2024-02-07 19:00:34,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:00:34,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:00:34,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:00:34,285 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:00:34,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,401 INFO L138 Inliner]: procedures = 170, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2024-02-07 19:00:34,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:00:34,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:00:34,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:00:34,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:00:34,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,464 INFO L175 MemorySlicer]: Split 16 memory accesses to 5 slices as follows [2, 5, 2, 5, 2]. 31 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 0, 5, 0]. The 2 writes are split as follows [0, 0, 1, 0, 1]. [2024-02-07 19:00:34,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:00:34,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:00:34,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:00:34,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:00:34,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (1/1) ... [2024-02-07 19:00:34,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:00:34,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:00:34,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:00:34,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:00:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2024-02-07 19:00:34,586 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2024-02-07 19:00:34,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:00:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:00:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:00:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:00:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:00:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2024-02-07 19:00:34,587 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2024-02-07 19:00:34,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:00:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:00:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:00:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:00:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:00:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-02-07 19:00:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:00:34,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:00:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:00:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:00:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:00:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:00:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:00:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:00:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-02-07 19:00:34,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:00:34,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:00:34,591 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:00:34,751 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:00:34,757 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:00:35,022 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:00:35,022 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:00:35,136 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:00:35,136 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:00:35,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:00:35 BoogieIcfgContainer [2024-02-07 19:00:35,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:00:35,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:00:35,138 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:00:35,143 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:00:35,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:00:32" (1/4) ... [2024-02-07 19:00:35,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0da5c2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:00:35, skipping insertion in model container [2024-02-07 19:00:35,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:00:33" (2/4) ... [2024-02-07 19:00:35,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0da5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:00:35, skipping insertion in model container [2024-02-07 19:00:35,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:00:34" (3/4) ... [2024-02-07 19:00:35,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0da5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:00:35, skipping insertion in model container [2024-02-07 19:00:35,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:00:35" (4/4) ... [2024-02-07 19:00:35,148 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2024-02-07 19:00:35,166 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:00:35,166 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-02-07 19:00:35,166 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:00:35,221 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-07 19:00:35,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 53 transitions, 120 flow [2024-02-07 19:00:35,309 INFO L124 PetriNetUnfolderBase]: 4/51 cut-off events. [2024-02-07 19:00:35,310 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-07 19:00:35,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 51 events. 4/51 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 113 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 45. Up to 3 conditions per place. [2024-02-07 19:00:35,315 INFO L82 GeneralOperation]: Start removeDead. Operand has 56 places, 53 transitions, 120 flow [2024-02-07 19:00:35,319 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 49 transitions, 107 flow [2024-02-07 19:00:35,339 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:00:35,350 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=LoopHeads, 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;@7d9461a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:00:35,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-02-07 19:00:35,353 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:00:35,353 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:00:35,353 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:00:35,353 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:00:35,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:00:35,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] === [2024-02-07 19:00:35,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:00:35,364 INFO L85 PathProgramCache]: Analyzing trace with hash 8805, now seen corresponding path program 1 times [2024-02-07 19:00:35,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:00:35,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007358619] [2024-02-07 19:00:35,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:00:35,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:00:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:00:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:00:35,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:00:35,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007358619] [2024-02-07 19:00:35,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007358619] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:00:35,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:00:35,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:00:35,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512527765] [2024-02-07 19:00:35,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:00:35,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:00:35,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:00:35,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:00:35,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:00:35,770 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 53 [2024-02-07 19:00:35,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 49 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-02-07 19:00:35,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:00:35,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 53 [2024-02-07 19:00:35,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:00:35,922 INFO L124 PetriNetUnfolderBase]: 204/468 cut-off events. [2024-02-07 19:00:35,926 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-02-07 19:00:35,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 868 conditions, 468 events. 204/468 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2403 event pairs, 82 based on Foata normal form. 53/445 useless extension candidates. Maximal degree in co-relation 802. Up to 295 conditions per place. [2024-02-07 19:00:35,933 INFO L140 encePairwiseOnDemand]: 45/53 looper letters, 28 selfloop transitions, 2 changer transitions 0/51 dead transitions. [2024-02-07 19:00:35,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 51 transitions, 174 flow [2024-02-07 19:00:35,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:00:35,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:00:35,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 106 transitions. [2024-02-07 19:00:35,944 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-02-07 19:00:35,945 INFO L175 Difference]: Start difference. First operand has 52 places, 49 transitions, 107 flow. Second operand 3 states and 106 transitions. [2024-02-07 19:00:35,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 51 transitions, 174 flow [2024-02-07 19:00:35,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 168 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 19:00:35,954 INFO L231 Difference]: Finished difference. Result has 50 places, 44 transitions, 100 flow [2024-02-07 19:00:35,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=50, PETRI_TRANSITIONS=44} [2024-02-07 19:00:35,959 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2024-02-07 19:00:35,959 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 44 transitions, 100 flow [2024-02-07 19:00:35,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2024-02-07 19:00:35,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:00:35,960 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:00:35,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:00:35,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting de_allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] === [2024-02-07 19:00:35,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:00:35,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1848077912, now seen corresponding path program 1 times [2024-02-07 19:00:35,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:00:35,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524052189] [2024-02-07 19:00:35,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:00:35,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:00:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:00:36,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:00:36,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:00:36,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524052189] [2024-02-07 19:00:36,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524052189] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:00:36,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:00:36,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:00:36,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235010837] [2024-02-07 19:00:36,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:00:36,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:00:36,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:00:36,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:00:36,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:00:36,184 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 53 [2024-02-07 19:00:36,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-02-07 19:00:36,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:00:36,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 53 [2024-02-07 19:00:36,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:00:36,343 INFO L124 PetriNetUnfolderBase]: 348/785 cut-off events. [2024-02-07 19:00:36,344 INFO L125 PetriNetUnfolderBase]: For 34/40 co-relation queries the response was YES. [2024-02-07 19:00:36,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1503 conditions, 785 events. 348/785 cut-off events. For 34/40 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4485 event pairs, 169 based on Foata normal form. 71/839 useless extension candidates. Maximal degree in co-relation 1251. Up to 456 conditions per place. [2024-02-07 19:00:36,355 INFO L140 encePairwiseOnDemand]: 43/53 looper letters, 33 selfloop transitions, 4 changer transitions 4/58 dead transitions. [2024-02-07 19:00:36,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 58 transitions, 213 flow [2024-02-07 19:00:36,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:00:36,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:00:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2024-02-07 19:00:36,358 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.710691823899371 [2024-02-07 19:00:36,359 INFO L175 Difference]: Start difference. First operand has 50 places, 44 transitions, 100 flow. Second operand 3 states and 113 transitions. [2024-02-07 19:00:36,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 58 transitions, 213 flow [2024-02-07 19:00:36,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 58 transitions, 209 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 19:00:36,361 INFO L231 Difference]: Finished difference. Result has 52 places, 46 transitions, 132 flow [2024-02-07 19:00:36,361 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=52, PETRI_TRANSITIONS=46} [2024-02-07 19:00:36,362 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 0 predicate places. [2024-02-07 19:00:36,362 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 46 transitions, 132 flow [2024-02-07 19:00:36,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2024-02-07 19:00:36,362 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:00:36,362 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:00:36,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:00:36,363 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting allocatorErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] === [2024-02-07 19:00:36,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:00:36,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1667331971, now seen corresponding path program 1 times [2024-02-07 19:00:36,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:00:36,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902075170] [2024-02-07 19:00:36,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:00:36,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:00:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:00:36,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:00:36,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:00:36,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902075170] [2024-02-07 19:00:36,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902075170] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:00:36,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:00:36,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:00:36,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304556795] [2024-02-07 19:00:36,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:00:36,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:00:36,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:00:36,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:00:36,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:00:36,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 53 [2024-02-07 19:00:36,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 46 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-02-07 19:00:36,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:00:36,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 53 [2024-02-07 19:00:36,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:00:36,540 INFO L124 PetriNetUnfolderBase]: 185/496 cut-off events. [2024-02-07 19:00:36,540 INFO L125 PetriNetUnfolderBase]: For 108/124 co-relation queries the response was YES. [2024-02-07 19:00:36,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1007 conditions, 496 events. 185/496 cut-off events. For 108/124 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2758 event pairs, 93 based on Foata normal form. 51/524 useless extension candidates. Maximal degree in co-relation 737. Up to 242 conditions per place. [2024-02-07 19:00:36,546 INFO L140 encePairwiseOnDemand]: 49/53 looper letters, 27 selfloop transitions, 1 changer transitions 0/49 dead transitions. [2024-02-07 19:00:36,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 49 transitions, 188 flow [2024-02-07 19:00:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:00:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:00:36,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2024-02-07 19:00:36,551 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6855345911949685 [2024-02-07 19:00:36,551 INFO L175 Difference]: Start difference. First operand has 52 places, 46 transitions, 132 flow. Second operand 3 states and 109 transitions. [2024-02-07 19:00:36,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 49 transitions, 188 flow [2024-02-07 19:00:36,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 49 transitions, 184 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 19:00:36,554 INFO L231 Difference]: Finished difference. Result has 52 places, 43 transitions, 119 flow [2024-02-07 19:00:36,554 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=52, PETRI_TRANSITIONS=43} [2024-02-07 19:00:36,555 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 0 predicate places. [2024-02-07 19:00:36,555 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 43 transitions, 119 flow [2024-02-07 19:00:36,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-02-07 19:00:36,556 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:00:36,556 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:00:36,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 19:00:36,556 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting allocatorErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] === [2024-02-07 19:00:36,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:00:36,557 INFO L85 PathProgramCache]: Analyzing trace with hash 190292677, now seen corresponding path program 1 times [2024-02-07 19:00:36,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:00:36,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133922025] [2024-02-07 19:00:36,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:00:36,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:00:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:00:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:00:36,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:00:36,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133922025] [2024-02-07 19:00:36,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133922025] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:00:36,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:00:36,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:00:36,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475482207] [2024-02-07 19:00:36,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:00:36,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:00:36,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:00:36,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:00:36,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:00:36,626 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 53 [2024-02-07 19:00:36,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 43 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2024-02-07 19:00:36,627 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:00:36,627 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 53 [2024-02-07 19:00:36,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:00:36,713 INFO L124 PetriNetUnfolderBase]: 177/487 cut-off events. [2024-02-07 19:00:36,713 INFO L125 PetriNetUnfolderBase]: For 61/63 co-relation queries the response was YES. [2024-02-07 19:00:36,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 487 events. 177/487 cut-off events. For 61/63 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2708 event pairs, 97 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 730. Up to 159 conditions per place. [2024-02-07 19:00:36,717 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 25 selfloop transitions, 2 changer transitions 0/48 dead transitions. [2024-02-07 19:00:36,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 48 transitions, 185 flow [2024-02-07 19:00:36,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:00:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:00:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 103 transitions. [2024-02-07 19:00:36,719 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6477987421383647 [2024-02-07 19:00:36,719 INFO L175 Difference]: Start difference. First operand has 52 places, 43 transitions, 119 flow. Second operand 3 states and 103 transitions. [2024-02-07 19:00:36,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 48 transitions, 185 flow [2024-02-07 19:00:36,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 48 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 19:00:36,721 INFO L231 Difference]: Finished difference. Result has 52 places, 42 transitions, 120 flow [2024-02-07 19:00:36,762 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=52, PETRI_TRANSITIONS=42} [2024-02-07 19:00:36,763 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 0 predicate places. [2024-02-07 19:00:36,764 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 42 transitions, 120 flow [2024-02-07 19:00:36,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2024-02-07 19:00:36,764 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:00:36,764 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:00:36,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 19:00:36,764 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] === [2024-02-07 19:00:36,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:00:36,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1604106008, now seen corresponding path program 1 times [2024-02-07 19:00:36,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:00:36,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095629412] [2024-02-07 19:00:36,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:00:36,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:00:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:00:36,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:00:36,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:00:36,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095629412] [2024-02-07 19:00:36,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095629412] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:00:36,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:00:36,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:00:36,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135871421] [2024-02-07 19:00:36,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:00:36,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:00:36,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:00:36,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:00:36,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:00:36,850 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 53 [2024-02-07 19:00:36,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 42 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:00:36,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:00:36,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 53 [2024-02-07 19:00:36,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:00:36,959 INFO L124 PetriNetUnfolderBase]: 177/473 cut-off events. [2024-02-07 19:00:36,976 INFO L125 PetriNetUnfolderBase]: For 42/44 co-relation queries the response was YES. [2024-02-07 19:00:36,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 982 conditions, 473 events. 177/473 cut-off events. For 42/44 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2568 event pairs, 97 based on Foata normal form. 14/462 useless extension candidates. Maximal degree in co-relation 730. Up to 160 conditions per place. [2024-02-07 19:00:36,980 INFO L140 encePairwiseOnDemand]: 51/53 looper letters, 26 selfloop transitions, 1 changer transitions 0/47 dead transitions. [2024-02-07 19:00:36,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 47 transitions, 186 flow [2024-02-07 19:00:36,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:00:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:00:36,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 106 transitions. [2024-02-07 19:00:36,993 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-02-07 19:00:36,993 INFO L175 Difference]: Start difference. First operand has 52 places, 42 transitions, 120 flow. Second operand 3 states and 106 transitions. [2024-02-07 19:00:36,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 47 transitions, 186 flow [2024-02-07 19:00:36,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 47 transitions, 182 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 19:00:36,996 INFO L231 Difference]: Finished difference. Result has 51 places, 41 transitions, 116 flow [2024-02-07 19:00:36,996 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=51, PETRI_TRANSITIONS=41} [2024-02-07 19:00:36,997 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -1 predicate places. [2024-02-07 19:00:36,997 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 41 transitions, 116 flow [2024-02-07 19:00:36,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:00:36,997 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:00:36,997 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:00:36,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-07 19:00:36,997 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting de_allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] === [2024-02-07 19:00:36,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:00:36,998 INFO L85 PathProgramCache]: Analyzing trace with hash -366701257, now seen corresponding path program 1 times [2024-02-07 19:00:36,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:00:36,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004115782] [2024-02-07 19:00:36,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:00:36,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:00:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:00:37,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:00:37,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:00:37,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004115782] [2024-02-07 19:00:37,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004115782] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:00:37,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:00:37,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-07 19:00:37,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052901274] [2024-02-07 19:00:37,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:00:37,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:00:37,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:00:37,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:00:37,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:00:37,153 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 29 out of 53 [2024-02-07 19:00:37,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 41 transitions, 116 flow. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2024-02-07 19:00:37,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:00:37,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 29 of 53 [2024-02-07 19:00:37,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:00:37,242 INFO L124 PetriNetUnfolderBase]: 111/348 cut-off events. [2024-02-07 19:00:37,243 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-02-07 19:00:37,243 INFO L83 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 348 events. 111/348 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1729 event pairs, 64 based on Foata normal form. 8/343 useless extension candidates. Maximal degree in co-relation 457. Up to 147 conditions per place. [2024-02-07 19:00:37,244 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 26 selfloop transitions, 5 changer transitions 1/50 dead transitions. [2024-02-07 19:00:37,245 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 50 transitions, 201 flow [2024-02-07 19:00:37,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:00:37,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:00:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 121 transitions. [2024-02-07 19:00:37,246 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7610062893081762 [2024-02-07 19:00:37,246 INFO L175 Difference]: Start difference. First operand has 51 places, 41 transitions, 116 flow. Second operand 3 states and 121 transitions. [2024-02-07 19:00:37,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 50 transitions, 201 flow [2024-02-07 19:00:37,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 50 transitions, 194 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-02-07 19:00:37,248 INFO L231 Difference]: Finished difference. Result has 49 places, 39 transitions, 119 flow [2024-02-07 19:00:37,248 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=119, PETRI_PLACES=49, PETRI_TRANSITIONS=39} [2024-02-07 19:00:37,250 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -3 predicate places. [2024-02-07 19:00:37,250 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 39 transitions, 119 flow [2024-02-07 19:00:37,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2024-02-07 19:00:37,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:00:37,251 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:00:37,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-02-07 19:00:37,251 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] === [2024-02-07 19:00:37,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:00:37,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1812320984, now seen corresponding path program 1 times [2024-02-07 19:00:37,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:00:37,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394436070] [2024-02-07 19:00:37,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:00:37,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:00:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:00:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:00:37,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:00:37,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394436070] [2024-02-07 19:00:37,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394436070] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:00:37,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:00:37,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:00:37,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786670828] [2024-02-07 19:00:37,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:00:37,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:00:37,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:00:37,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:00:37,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:00:37,317 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 53 [2024-02-07 19:00:37,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 119 flow. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-02-07 19:00:37,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:00:37,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 53 [2024-02-07 19:00:37,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:00:37,371 INFO L124 PetriNetUnfolderBase]: 121/310 cut-off events. [2024-02-07 19:00:37,371 INFO L125 PetriNetUnfolderBase]: For 115/115 co-relation queries the response was YES. [2024-02-07 19:00:37,373 INFO L83 FinitePrefix]: Finished finitePrefix Result has 757 conditions, 310 events. 121/310 cut-off events. For 115/115 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1334 event pairs, 63 based on Foata normal form. 24/321 useless extension candidates. Maximal degree in co-relation 433. Up to 126 conditions per place. [2024-02-07 19:00:37,374 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 22 selfloop transitions, 1 changer transitions 7/42 dead transitions. [2024-02-07 19:00:37,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 42 transitions, 189 flow [2024-02-07 19:00:37,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:00:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:00:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2024-02-07 19:00:37,376 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.660377358490566 [2024-02-07 19:00:37,376 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 119 flow. Second operand 3 states and 105 transitions. [2024-02-07 19:00:37,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 42 transitions, 189 flow [2024-02-07 19:00:37,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 42 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 19:00:37,381 INFO L231 Difference]: Finished difference. Result has 47 places, 31 transitions, 94 flow [2024-02-07 19:00:37,381 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=47, PETRI_TRANSITIONS=31} [2024-02-07 19:00:37,382 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2024-02-07 19:00:37,383 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 31 transitions, 94 flow [2024-02-07 19:00:37,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2024-02-07 19:00:37,383 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:00:37,383 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:00:37,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-02-07 19:00:37,384 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting de_allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] === [2024-02-07 19:00:37,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:00:37,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1127313590, now seen corresponding path program 1 times [2024-02-07 19:00:37,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:00:37,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900246636] [2024-02-07 19:00:37,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:00:37,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:00:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:00:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:00:37,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:00:37,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900246636] [2024-02-07 19:00:37,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900246636] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:00:37,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:00:37,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:00:37,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099478795] [2024-02-07 19:00:37,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:00:37,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 19:00:37,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:00:37,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 19:00:37,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-07 19:00:37,556 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 53 [2024-02-07 19:00:37,556 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 31 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2024-02-07 19:00:37,556 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:00:37,556 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 53 [2024-02-07 19:00:37,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:00:37,606 INFO L124 PetriNetUnfolderBase]: 70/197 cut-off events. [2024-02-07 19:00:37,607 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2024-02-07 19:00:37,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 197 events. 70/197 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 722 event pairs, 28 based on Foata normal form. 4/195 useless extension candidates. Maximal degree in co-relation 291. Up to 95 conditions per place. [2024-02-07 19:00:37,608 INFO L140 encePairwiseOnDemand]: 49/53 looper letters, 25 selfloop transitions, 3 changer transitions 1/39 dead transitions. [2024-02-07 19:00:37,608 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 39 transitions, 176 flow [2024-02-07 19:00:37,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-07 19:00:37,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-07 19:00:37,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 113 transitions. [2024-02-07 19:00:37,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5330188679245284 [2024-02-07 19:00:37,609 INFO L175 Difference]: Start difference. First operand has 47 places, 31 transitions, 94 flow. Second operand 4 states and 113 transitions. [2024-02-07 19:00:37,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 39 transitions, 176 flow [2024-02-07 19:00:37,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 39 transitions, 171 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-02-07 19:00:37,611 INFO L231 Difference]: Finished difference. Result has 45 places, 31 transitions, 99 flow [2024-02-07 19:00:37,611 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=99, PETRI_PLACES=45, PETRI_TRANSITIONS=31} [2024-02-07 19:00:37,613 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -7 predicate places. [2024-02-07 19:00:37,613 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 31 transitions, 99 flow [2024-02-07 19:00:37,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 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) [2024-02-07 19:00:37,614 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:00:37,614 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:00:37,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-02-07 19:00:37,614 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting de_allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT, allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (and 18 more)] === [2024-02-07 19:00:37,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:00:37,615 INFO L85 PathProgramCache]: Analyzing trace with hash -763782312, now seen corresponding path program 1 times [2024-02-07 19:00:37,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:00:37,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147280818] [2024-02-07 19:00:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:00:37,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:00:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:00:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:00:37,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:00:37,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147280818] [2024-02-07 19:00:37,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147280818] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:00:37,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:00:37,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-02-07 19:00:37,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432861257] [2024-02-07 19:00:37,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:00:37,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 19:00:37,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:00:37,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 19:00:37,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-07 19:00:37,723 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 53 [2024-02-07 19:00:37,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 31 transitions, 99 flow. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2024-02-07 19:00:37,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:00:37,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 53 [2024-02-07 19:00:37,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:00:37,771 INFO L124 PetriNetUnfolderBase]: 52/163 cut-off events. [2024-02-07 19:00:37,771 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2024-02-07 19:00:37,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 163 events. 52/163 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 550 event pairs, 16 based on Foata normal form. 16/173 useless extension candidates. Maximal degree in co-relation 209. Up to 60 conditions per place. [2024-02-07 19:00:37,772 INFO L140 encePairwiseOnDemand]: 50/53 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2024-02-07 19:00:37,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 38 transitions, 173 flow [2024-02-07 19:00:37,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-07 19:00:37,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-07 19:00:37,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2024-02-07 19:00:37,773 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5283018867924528 [2024-02-07 19:00:37,773 INFO L175 Difference]: Start difference. First operand has 45 places, 31 transitions, 99 flow. Second operand 4 states and 112 transitions. [2024-02-07 19:00:37,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 38 transitions, 173 flow [2024-02-07 19:00:37,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 38 transitions, 161 flow, removed 1 selfloop flow, removed 5 redundant places. [2024-02-07 19:00:37,775 INFO L231 Difference]: Finished difference. Result has 42 places, 0 transitions, 0 flow [2024-02-07 19:00:37,775 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=42, PETRI_TRANSITIONS=0} [2024-02-07 19:00:37,776 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -10 predicate places. [2024-02-07 19:00:37,776 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 0 transitions, 0 flow [2024-02-07 19:00:37,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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) [2024-02-07 19:00:37,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 21 remaining) [2024-02-07 19:00:37,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 21 remaining) [2024-02-07 19:00:37,779 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 21 remaining) [2024-02-07 19:00:37,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 21 remaining) [2024-02-07 19:00:37,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr5ASSERT_VIOLATIONERROR_FUNCTION (16 of 21 remaining) [2024-02-07 19:00:37,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 21 remaining) [2024-02-07 19:00:37,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 21 remaining) [2024-02-07 19:00:37,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 21 remaining) [2024-02-07 19:00:37,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONERROR_FUNCTION (12 of 21 remaining) [2024-02-07 19:00:37,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 21 remaining) [2024-02-07 19:00:37,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 21 remaining) [2024-02-07 19:00:37,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 21 remaining) [2024-02-07 19:00:37,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 21 remaining) [2024-02-07 19:00:37,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr3ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 21 remaining) [2024-02-07 19:00:37,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr4ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 21 remaining) [2024-02-07 19:00:37,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 21 remaining) [2024-02-07 19:00:37,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr5ASSERT_VIOLATIONERROR_FUNCTION (4 of 21 remaining) [2024-02-07 19:00:37,782 INFO L805 garLoopResultBuilder]: Registering result SAFE for location allocatorErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 21 remaining) [2024-02-07 19:00:37,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 21 remaining) [2024-02-07 19:00:37,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 21 remaining) [2024-02-07 19:00:37,784 INFO L805 garLoopResultBuilder]: Registering result SAFE for location de_allocatorErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 21 remaining) [2024-02-07 19:00:37,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-02-07 19:00:37,785 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:00:37,790 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:00:37,790 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:00:37,794 INFO L503 ceAbstractionStarter]: Automizer considered 8 witness invariants [2024-02-07 19:00:37,794 INFO L504 ceAbstractionStarter]: WitnessConsidered=8 [2024-02-07 19:00:37,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:00:37 BasicIcfg [2024-02-07 19:00:37,795 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:00:37,796 INFO L158 Benchmark]: Toolchain (without parser) took 3983.03ms. Allocated memory was 216.0MB in the beginning and 306.2MB in the end (delta: 90.2MB). Free memory was 142.5MB in the beginning and 217.5MB in the end (delta: -75.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-02-07 19:00:37,796 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:00:37,796 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 216.0MB. Free memory was 190.2MB in the beginning and 190.0MB in the end (delta: 251.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:00:37,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.23ms. Allocated memory is still 216.0MB. Free memory was 142.5MB in the beginning and 184.9MB in the end (delta: -42.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-02-07 19:00:37,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.99ms. Allocated memory is still 216.0MB. Free memory was 184.9MB in the beginning and 182.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:00:37,797 INFO L158 Benchmark]: Boogie Preprocessor took 101.17ms. Allocated memory is still 216.0MB. Free memory was 182.8MB in the beginning and 180.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:00:37,799 INFO L158 Benchmark]: RCFGBuilder took 631.81ms. Allocated memory is still 216.0MB. Free memory was 180.7MB in the beginning and 149.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-02-07 19:00:37,799 INFO L158 Benchmark]: TraceAbstraction took 2657.99ms. Allocated memory was 216.0MB in the beginning and 306.2MB in the end (delta: 90.2MB). Free memory was 148.3MB in the beginning and 217.5MB in the end (delta: -69.2MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-02-07 19:00:37,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 113.2MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 216.0MB. Free memory was 190.2MB in the beginning and 190.0MB in the end (delta: 251.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.23ms. Allocated memory is still 216.0MB. Free memory was 142.5MB in the beginning and 184.9MB in the end (delta: -42.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.99ms. Allocated memory is still 216.0MB. Free memory was 184.9MB in the beginning and 182.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.17ms. Allocated memory is still 216.0MB. Free memory was 182.8MB in the beginning and 180.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 631.81ms. Allocated memory is still 216.0MB. Free memory was 180.7MB in the beginning and 149.2MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2657.99ms. Allocated memory was 216.0MB in the beginning and 306.2MB in the end (delta: 90.2MB). Free memory was 148.3MB in the beginning and 217.5MB in the end (delta: -69.2MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 701]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 702]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 702]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 708]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 710]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 717]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 90 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 316 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 532 IncrementalHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 37 mSDtfsCounter, 532 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=2, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 291 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-02-07 19:00:37,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE