./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-time-trans.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-time-trans.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fced0e87 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/weaver/chl-time-trans.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-time-trans.wvr.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.extract-columns-fced0e8-m [2024-01-31 16:08:37,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:08:37,906 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:08:37,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:08:37,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:08:37,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:08:37,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:08:37,924 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:08:37,924 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:08:37,924 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:08:37,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:08:37,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:08:37,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:08:37,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:08:37,926 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:08:37,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:08:37,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:08:37,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:08:37,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:08:37,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:08:37,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:08:37,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:08:37,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:08:37,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:08:37,933 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:08:37,933 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:08:37,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:08:37,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:08:37,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:08:37,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:08:37,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:08:37,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:08:37,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:37,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:08:37,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:08:37,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:08:37,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:08:37,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:08:37,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:08:37,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:08:37,935 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:08:37,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:08:37,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:08:37,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:08:38,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:08:38,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:08:38,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:08:38,172 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:08:38,173 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:08:38,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-time-trans.wvr.yml/witness.yml [2024-01-31 16:08:38,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:08:38,305 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:08:38,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-trans.wvr.c [2024-01-31 16:08:39,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:08:39,362 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:08:39,363 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-trans.wvr.c [2024-01-31 16:08:39,370 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d84596866/40575fc4079a470f87a2a48047dd50ad/FLAG705472ed9 [2024-01-31 16:08:39,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d84596866/40575fc4079a470f87a2a48047dd50ad [2024-01-31 16:08:39,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:08:39,779 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:08:39,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:39,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:08:39,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:08:39,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:38" (1/2) ... [2024-01-31 16:08:39,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc8629 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39, skipping insertion in model container [2024-01-31 16:08:39,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:38" (1/2) ... [2024-01-31 16:08:39,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6209a71 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:39, skipping insertion in model container [2024-01-31 16:08:39,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:39" (2/2) ... [2024-01-31 16:08:39,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc8629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:39, skipping insertion in model container [2024-01-31 16:08:39,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:39" (2/2) ... [2024-01-31 16:08:39,786 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:08:39,818 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:08:39,819 INFO L98 nessWitnessExtractor]: Location invariant before [L74-L74] ((((((((ora_0 == 0) && (ora_2 == 0)) && (ora_4 == 0)) && (volume_totale_1 == 0)) && (volume_totale_3 == 0)) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-01-31 16:08:39,819 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,819 INFO L98 nessWitnessExtractor]: Location invariant before [L99-L99] (1 <= b) && (b != 0) [2024-01-31 16:08:39,819 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,819 INFO L98 nessWitnessExtractor]: Location invariant before [L77-L77] (((((volume_totale_1 == 0) && (volume_totale_3 == 0)) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-01-31 16:08:39,819 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] ((cmp_6 == 0) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-01-31 16:08:39,820 INFO L98 nessWitnessExtractor]: Location invariant before [L79-L79] (((volume_totale_5 == 0) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-01-31 16:08:39,820 INFO L98 nessWitnessExtractor]: Location invariant before [L54-L54] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,820 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,820 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,820 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (cmp_7 == 0) && (cmp_8 == 0) [2024-01-31 16:08:39,820 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,820 INFO L98 nessWitnessExtractor]: Location invariant before [L100-L100] (b <= -1) && (b != 0) [2024-01-31 16:08:39,820 INFO L98 nessWitnessExtractor]: Location invariant before [L63-L63] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,821 INFO L98 nessWitnessExtractor]: Location invariant before [L49-L49] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,821 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,821 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,821 INFO L98 nessWitnessExtractor]: Location invariant before [L76-L76] ((((((ora_4 == 0) && (volume_totale_1 == 0)) && (volume_totale_3 == 0)) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-01-31 16:08:39,821 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (((((((ora_2 == 0) && (ora_4 == 0)) && (volume_totale_1 == 0)) && (volume_totale_3 == 0)) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-01-31 16:08:39,822 INFO L98 nessWitnessExtractor]: Location invariant before [L78-L78] ((((volume_totale_3 == 0) && (volume_totale_5 == 0)) && (cmp_6 == 0)) && (cmp_7 == 0)) && (cmp_8 == 0) [2024-01-31 16:08:39,822 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] cmp_8 == 0 [2024-01-31 16:08:39,822 INFO L98 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,822 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-31 16:08:39,839 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:08:39,949 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-trans.wvr.c[2875,2888] [2024-01-31 16:08:39,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:39,959 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:08:40,005 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-trans.wvr.c[2875,2888] Start Parsing Local Start Parsing Local [2024-01-31 16:08:40,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:40,020 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:08:40,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40 WrapperNode [2024-01-31 16:08:40,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:40,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:40,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:08:40,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:08:40,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,083 INFO L138 Inliner]: procedures = 23, calls = 39, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 258 [2024-01-31 16:08:40,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:40,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:08:40,086 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:08:40,086 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:08:40,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,102 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,116 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-31 16:08:40,116 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:08:40,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:08:40,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:08:40,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:08:40,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (1/1) ... [2024-01-31 16:08:40,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:40,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:08:40,175 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) [2024-01-31 16:08:40,182 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 [2024-01-31 16:08:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:08:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 16:08:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 16:08:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 16:08:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 16:08:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 16:08:40,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 16:08:40,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:08:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:08:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:08:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:08:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:08:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:08:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:08:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:08:40,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:08:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-31 16:08:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-31 16:08:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:08:40,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:08:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:08:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:08:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:08:40,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:08:40,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:08:40,209 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:08:40,292 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:08:40,294 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:08:40,702 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:08:40,703 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:08:41,034 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:08:41,034 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:08:41,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:41 BoogieIcfgContainer [2024-01-31 16:08:41,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:08:41,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:08:41,040 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:08:41,042 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:08:41,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:38" (1/4) ... [2024-01-31 16:08:41,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc293b7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:08:41, skipping insertion in model container [2024-01-31 16:08:41,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:08:39" (2/4) ... [2024-01-31 16:08:41,043 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc293b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:08:41, skipping insertion in model container [2024-01-31 16:08:41,043 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:40" (3/4) ... [2024-01-31 16:08:41,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc293b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:08:41, skipping insertion in model container [2024-01-31 16:08:41,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:41" (4/4) ... [2024-01-31 16:08:41,046 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-trans.wvr.c [2024-01-31 16:08:41,060 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:08:41,060 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-01-31 16:08:41,060 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:08:41,126 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-31 16:08:41,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 72 transitions, 165 flow [2024-01-31 16:08:41,191 INFO L124 PetriNetUnfolderBase]: 0/69 cut-off events. [2024-01-31 16:08:41,192 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 16:08:41,194 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 69 events. 0/69 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 141 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-01-31 16:08:41,194 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 72 transitions, 165 flow [2024-01-31 16:08:41,197 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 68 transitions, 154 flow [2024-01-31 16:08:41,207 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:08:41,213 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;@fcd5c6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:08:41,214 INFO L358 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2024-01-31 16:08:41,215 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:08:41,216 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:08:41,216 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:41,216 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:41,217 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:08:41,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:41,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:41,221 INFO L85 PathProgramCache]: Analyzing trace with hash 26882, now seen corresponding path program 1 times [2024-01-31 16:08:41,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:41,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256902016] [2024-01-31 16:08:41,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:41,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:41,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:41,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256902016] [2024-01-31 16:08:41,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256902016] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:41,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:41,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:41,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079351741] [2024-01-31 16:08:41,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:41,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:41,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:41,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:41,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:41,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 72 [2024-01-31 16:08:41,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 68 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-01-31 16:08:41,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:41,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 72 [2024-01-31 16:08:41,539 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:41,698 INFO L124 PetriNetUnfolderBase]: 279/528 cut-off events. [2024-01-31 16:08:41,698 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:41,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1040 conditions, 528 events. 279/528 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3213 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 995. Up to 465 conditions per place. [2024-01-31 16:08:41,706 INFO L140 encePairwiseOnDemand]: 57/72 looper letters, 31 selfloop transitions, 2 changer transitions 0/42 dead transitions. [2024-01-31 16:08:41,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 42 transitions, 159 flow [2024-01-31 16:08:41,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:41,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-01-31 16:08:41,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4351851851851852 [2024-01-31 16:08:41,716 INFO L175 Difference]: Start difference. First operand has 78 places, 68 transitions, 154 flow. Second operand 3 states and 94 transitions. [2024-01-31 16:08:41,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 42 transitions, 159 flow [2024-01-31 16:08:41,719 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 42 transitions, 156 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-01-31 16:08:41,721 INFO L231 Difference]: Finished difference. Result has 51 places, 42 transitions, 94 flow [2024-01-31 16:08:41,722 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=49, 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=94, PETRI_PLACES=51, PETRI_TRANSITIONS=42} [2024-01-31 16:08:41,725 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -27 predicate places. [2024-01-31 16:08:41,725 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 94 flow [2024-01-31 16:08:41,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-01-31 16:08:41,725 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:41,725 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-31 16:08:41,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 16:08:41,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:41,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:41,726 INFO L85 PathProgramCache]: Analyzing trace with hash 834210, now seen corresponding path program 1 times [2024-01-31 16:08:41,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:41,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586751723] [2024-01-31 16:08:41,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:41,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:41,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:41,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586751723] [2024-01-31 16:08:41,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586751723] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:41,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:41,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:41,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874213159] [2024-01-31 16:08:41,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:41,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:41,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:41,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:41,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:41,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 72 [2024-01-31 16:08:41,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-01-31 16:08:41,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:41,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 72 [2024-01-31 16:08:41,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:41,880 INFO L124 PetriNetUnfolderBase]: 279/527 cut-off events. [2024-01-31 16:08:41,881 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:41,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1038 conditions, 527 events. 279/527 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3187 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1029. Up to 463 conditions per place. [2024-01-31 16:08:41,884 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 30 selfloop transitions, 2 changer transitions 0/41 dead transitions. [2024-01-31 16:08:41,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 41 transitions, 156 flow [2024-01-31 16:08:41,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2024-01-31 16:08:41,886 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3888888888888889 [2024-01-31 16:08:41,886 INFO L175 Difference]: Start difference. First operand has 51 places, 42 transitions, 94 flow. Second operand 3 states and 84 transitions. [2024-01-31 16:08:41,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 41 transitions, 156 flow [2024-01-31 16:08:41,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:41,887 INFO L231 Difference]: Finished difference. Result has 50 places, 41 transitions, 92 flow [2024-01-31 16:08:41,887 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=50, PETRI_TRANSITIONS=41} [2024-01-31 16:08:41,888 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -28 predicate places. [2024-01-31 16:08:41,888 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 92 flow [2024-01-31 16:08:41,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-01-31 16:08:41,889 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:41,889 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-31 16:08:41,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 16:08:41,889 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:41,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:41,889 INFO L85 PathProgramCache]: Analyzing trace with hash 25861380, now seen corresponding path program 1 times [2024-01-31 16:08:41,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:41,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753050105] [2024-01-31 16:08:41,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:41,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:41,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:41,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:41,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753050105] [2024-01-31 16:08:41,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753050105] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:41,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:41,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:41,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677404591] [2024-01-31 16:08:41,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:41,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:41,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:41,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:41,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:41,957 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 72 [2024-01-31 16:08:41,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-01-31 16:08:41,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:41,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 72 [2024-01-31 16:08:41,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,081 INFO L124 PetriNetUnfolderBase]: 279/526 cut-off events. [2024-01-31 16:08:42,081 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1036 conditions, 526 events. 279/526 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3192 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1025. Up to 461 conditions per place. [2024-01-31 16:08:42,086 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 29 selfloop transitions, 2 changer transitions 0/40 dead transitions. [2024-01-31 16:08:42,086 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 40 transitions, 152 flow [2024-01-31 16:08:42,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2024-01-31 16:08:42,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39814814814814814 [2024-01-31 16:08:42,091 INFO L175 Difference]: Start difference. First operand has 50 places, 41 transitions, 92 flow. Second operand 3 states and 86 transitions. [2024-01-31 16:08:42,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 40 transitions, 152 flow [2024-01-31 16:08:42,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 40 transitions, 148 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,093 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 90 flow [2024-01-31 16:08:42,094 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-01-31 16:08:42,095 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -29 predicate places. [2024-01-31 16:08:42,095 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 90 flow [2024-01-31 16:08:42,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-01-31 16:08:42,095 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,095 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:08:42,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 16:08:42,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,096 INFO L85 PathProgramCache]: Analyzing trace with hash 801703590, now seen corresponding path program 1 times [2024-01-31 16:08:42,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301100921] [2024-01-31 16:08:42,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301100921] [2024-01-31 16:08:42,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301100921] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388858504] [2024-01-31 16:08:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,177 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 72 [2024-01-31 16:08:42,178 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-01-31 16:08:42,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 72 [2024-01-31 16:08:42,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,251 INFO L124 PetriNetUnfolderBase]: 279/525 cut-off events. [2024-01-31 16:08:42,251 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 525 events. 279/525 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3179 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1021. Up to 459 conditions per place. [2024-01-31 16:08:42,254 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 28 selfloop transitions, 2 changer transitions 0/39 dead transitions. [2024-01-31 16:08:42,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 39 transitions, 148 flow [2024-01-31 16:08:42,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 88 transitions. [2024-01-31 16:08:42,255 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4074074074074074 [2024-01-31 16:08:42,255 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 90 flow. Second operand 3 states and 88 transitions. [2024-01-31 16:08:42,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 39 transitions, 148 flow [2024-01-31 16:08:42,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 39 transitions, 144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,256 INFO L231 Difference]: Finished difference. Result has 48 places, 39 transitions, 88 flow [2024-01-31 16:08:42,257 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2024-01-31 16:08:42,257 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -30 predicate places. [2024-01-31 16:08:42,257 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 88 flow [2024-01-31 16:08:42,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-01-31 16:08:42,258 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,258 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 16:08:42,258 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,259 INFO L85 PathProgramCache]: Analyzing trace with hash -916991655, now seen corresponding path program 1 times [2024-01-31 16:08:42,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784330386] [2024-01-31 16:08:42,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784330386] [2024-01-31 16:08:42,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784330386] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883984758] [2024-01-31 16:08:42,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,305 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 72 [2024-01-31 16:08:42,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-01-31 16:08:42,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 72 [2024-01-31 16:08:42,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,385 INFO L124 PetriNetUnfolderBase]: 279/524 cut-off events. [2024-01-31 16:08:42,385 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1032 conditions, 524 events. 279/524 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3183 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1017. Up to 457 conditions per place. [2024-01-31 16:08:42,388 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 27 selfloop transitions, 2 changer transitions 0/38 dead transitions. [2024-01-31 16:08:42,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 38 transitions, 144 flow [2024-01-31 16:08:42,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 90 transitions. [2024-01-31 16:08:42,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4166666666666667 [2024-01-31 16:08:42,389 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 88 flow. Second operand 3 states and 90 transitions. [2024-01-31 16:08:42,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 38 transitions, 144 flow [2024-01-31 16:08:42,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 38 transitions, 140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,390 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 86 flow [2024-01-31 16:08:42,391 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2024-01-31 16:08:42,391 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -31 predicate places. [2024-01-31 16:08:42,391 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 86 flow [2024-01-31 16:08:42,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-01-31 16:08:42,392 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,392 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-31 16:08:42,392 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1638030624, now seen corresponding path program 1 times [2024-01-31 16:08:42,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998527308] [2024-01-31 16:08:42,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998527308] [2024-01-31 16:08:42,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998527308] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419697210] [2024-01-31 16:08:42,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 72 [2024-01-31 16:08:42,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-01-31 16:08:42,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 72 [2024-01-31 16:08:42,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,527 INFO L124 PetriNetUnfolderBase]: 279/523 cut-off events. [2024-01-31 16:08:42,528 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 523 events. 279/523 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3168 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1013. Up to 455 conditions per place. [2024-01-31 16:08:42,531 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 26 selfloop transitions, 2 changer transitions 0/37 dead transitions. [2024-01-31 16:08:42,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 37 transitions, 140 flow [2024-01-31 16:08:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions. [2024-01-31 16:08:42,532 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42592592592592593 [2024-01-31 16:08:42,532 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 86 flow. Second operand 3 states and 92 transitions. [2024-01-31 16:08:42,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 37 transitions, 140 flow [2024-01-31 16:08:42,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 37 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,533 INFO L231 Difference]: Finished difference. Result has 46 places, 37 transitions, 84 flow [2024-01-31 16:08:42,533 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2024-01-31 16:08:42,535 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -32 predicate places. [2024-01-31 16:08:42,536 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 84 flow [2024-01-31 16:08:42,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-01-31 16:08:42,536 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,536 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-31 16:08:42,536 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,537 INFO L85 PathProgramCache]: Analyzing trace with hash -760657396, now seen corresponding path program 1 times [2024-01-31 16:08:42,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991377471] [2024-01-31 16:08:42,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991377471] [2024-01-31 16:08:42,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991377471] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085645470] [2024-01-31 16:08:42,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,593 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 72 [2024-01-31 16:08:42,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-01-31 16:08:42,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 72 [2024-01-31 16:08:42,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,652 INFO L124 PetriNetUnfolderBase]: 279/522 cut-off events. [2024-01-31 16:08:42,652 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1028 conditions, 522 events. 279/522 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3183 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1009. Up to 453 conditions per place. [2024-01-31 16:08:42,656 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 25 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2024-01-31 16:08:42,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 136 flow [2024-01-31 16:08:42,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-01-31 16:08:42,657 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4351851851851852 [2024-01-31 16:08:42,657 INFO L175 Difference]: Start difference. First operand has 46 places, 37 transitions, 84 flow. Second operand 3 states and 94 transitions. [2024-01-31 16:08:42,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 136 flow [2024-01-31 16:08:42,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,659 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 82 flow [2024-01-31 16:08:42,660 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2024-01-31 16:08:42,660 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -33 predicate places. [2024-01-31 16:08:42,661 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 82 flow [2024-01-31 16:08:42,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-01-31 16:08:42,661 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,662 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-31 16:08:42,663 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,665 INFO L85 PathProgramCache]: Analyzing trace with hash -2105541937, now seen corresponding path program 1 times [2024-01-31 16:08:42,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451264977] [2024-01-31 16:08:42,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451264977] [2024-01-31 16:08:42,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451264977] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232935876] [2024-01-31 16:08:42,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,728 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 72 [2024-01-31 16:08:42,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-01-31 16:08:42,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 72 [2024-01-31 16:08:42,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,789 INFO L124 PetriNetUnfolderBase]: 279/521 cut-off events. [2024-01-31 16:08:42,789 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 521 events. 279/521 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3184 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1005. Up to 451 conditions per place. [2024-01-31 16:08:42,791 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 24 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2024-01-31 16:08:42,792 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 132 flow [2024-01-31 16:08:42,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2024-01-31 16:08:42,793 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2024-01-31 16:08:42,793 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 82 flow. Second operand 3 states and 96 transitions. [2024-01-31 16:08:42,793 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 132 flow [2024-01-31 16:08:42,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,794 INFO L231 Difference]: Finished difference. Result has 44 places, 35 transitions, 80 flow [2024-01-31 16:08:42,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=44, PETRI_TRANSITIONS=35} [2024-01-31 16:08:42,796 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -34 predicate places. [2024-01-31 16:08:42,796 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 80 flow [2024-01-31 16:08:42,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-01-31 16:08:42,797 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,797 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-01-31 16:08:42,797 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,797 INFO L85 PathProgramCache]: Analyzing trace with hash -847289773, now seen corresponding path program 1 times [2024-01-31 16:08:42,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882069971] [2024-01-31 16:08:42,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882069971] [2024-01-31 16:08:42,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882069971] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:42,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416736735] [2024-01-31 16:08:42,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:42,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:42,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:42,832 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 72 [2024-01-31 16:08:42,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-01-31 16:08:42,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 72 [2024-01-31 16:08:42,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:42,892 INFO L124 PetriNetUnfolderBase]: 279/520 cut-off events. [2024-01-31 16:08:42,892 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:42,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1024 conditions, 520 events. 279/520 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3181 event pairs, 279 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 1001. Up to 449 conditions per place. [2024-01-31 16:08:42,895 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 23 selfloop transitions, 2 changer transitions 0/34 dead transitions. [2024-01-31 16:08:42,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 34 transitions, 128 flow [2024-01-31 16:08:42,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:42,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:42,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 98 transitions. [2024-01-31 16:08:42,896 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4537037037037037 [2024-01-31 16:08:42,896 INFO L175 Difference]: Start difference. First operand has 44 places, 35 transitions, 80 flow. Second operand 3 states and 98 transitions. [2024-01-31 16:08:42,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 34 transitions, 128 flow [2024-01-31 16:08:42,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 124 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:42,897 INFO L231 Difference]: Finished difference. Result has 43 places, 34 transitions, 78 flow [2024-01-31 16:08:42,897 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=43, PETRI_TRANSITIONS=34} [2024-01-31 16:08:42,898 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -35 predicate places. [2024-01-31 16:08:42,898 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 78 flow [2024-01-31 16:08:42,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-01-31 16:08:42,898 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:42,899 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:42,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-01-31 16:08:42,899 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:42,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:42,899 INFO L85 PathProgramCache]: Analyzing trace with hash -85921438, now seen corresponding path program 1 times [2024-01-31 16:08:42,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:42,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409240897] [2024-01-31 16:08:42,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:42,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:42,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:42,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409240897] [2024-01-31 16:08:42,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409240897] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:42,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:42,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-31 16:08:42,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439249531] [2024-01-31 16:08:42,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:42,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:42,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:42,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:42,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:42,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 72 [2024-01-31 16:08:42,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2024-01-31 16:08:42,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:42,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 72 [2024-01-31 16:08:42,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:43,072 INFO L124 PetriNetUnfolderBase]: 279/514 cut-off events. [2024-01-31 16:08:43,072 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:43,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1018 conditions, 514 events. 279/514 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 3029 event pairs, 39 based on Foata normal form. 42/354 useless extension candidates. Maximal degree in co-relation 993. Up to 366 conditions per place. [2024-01-31 16:08:43,074 INFO L140 encePairwiseOnDemand]: 68/72 looper letters, 34 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2024-01-31 16:08:43,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 43 transitions, 172 flow [2024-01-31 16:08:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:08:43,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:08:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 126 transitions. [2024-01-31 16:08:43,075 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4375 [2024-01-31 16:08:43,076 INFO L175 Difference]: Start difference. First operand has 43 places, 34 transitions, 78 flow. Second operand 4 states and 126 transitions. [2024-01-31 16:08:43,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 43 transitions, 172 flow [2024-01-31 16:08:43,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 43 transitions, 168 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:43,077 INFO L231 Difference]: Finished difference. Result has 42 places, 32 transitions, 74 flow [2024-01-31 16:08:43,077 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=72, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=74, PETRI_PLACES=42, PETRI_TRANSITIONS=32} [2024-01-31 16:08:43,077 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -36 predicate places. [2024-01-31 16:08:43,077 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 32 transitions, 74 flow [2024-01-31 16:08:43,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2024-01-31 16:08:43,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:43,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:43,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-01-31 16:08:43,078 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 58 more)] === [2024-01-31 16:08:43,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:43,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1631403601, now seen corresponding path program 1 times [2024-01-31 16:08:43,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:43,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598042608] [2024-01-31 16:08:43,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:43,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:43,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 16:08:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:43,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 16:08:43,117 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 16:08:43,118 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 61 remaining) [2024-01-31 16:08:43,120 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 61 remaining) [2024-01-31 16:08:43,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 61 remaining) [2024-01-31 16:08:43,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (26 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 61 remaining) [2024-01-31 16:08:43,123 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 61 remaining) [2024-01-31 16:08:43,124 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 61 remaining) [2024-01-31 16:08:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 61 remaining) [2024-01-31 16:08:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 61 remaining) [2024-01-31 16:08:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 61 remaining) [2024-01-31 16:08:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 61 remaining) [2024-01-31 16:08:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 61 remaining) [2024-01-31 16:08:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 61 remaining) [2024-01-31 16:08:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 61 remaining) [2024-01-31 16:08:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 61 remaining) [2024-01-31 16:08:43,125 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 61 remaining) [2024-01-31 16:08:43,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-31 16:08:43,125 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-31 16:08:43,133 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-31 16:08:43,133 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-31 16:08:43,156 INFO L503 ceAbstractionStarter]: Automizer considered 33 witness invariants [2024-01-31 16:08:43,156 INFO L504 ceAbstractionStarter]: WitnessConsidered=33 [2024-01-31 16:08:43,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:08:43 BasicIcfg [2024-01-31 16:08:43,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-31 16:08:43,157 INFO L158 Benchmark]: Toolchain (without parser) took 3378.30ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 96.3MB in the beginning and 161.1MB in the end (delta: -64.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:43,157 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:43,157 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:43,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.70ms. Allocated memory is still 169.9MB. Free memory was 96.0MB in the beginning and 78.8MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,157 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.00ms. Allocated memory is still 169.9MB. Free memory was 78.8MB in the beginning and 76.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,158 INFO L158 Benchmark]: Boogie Preprocessor took 49.63ms. Allocated memory is still 169.9MB. Free memory was 75.9MB in the beginning and 73.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,158 INFO L158 Benchmark]: RCFGBuilder took 900.47ms. Allocated memory is still 169.9MB. Free memory was 73.0MB in the beginning and 117.9MB in the end (delta: -45.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,158 INFO L158 Benchmark]: TraceAbstraction took 2117.08ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 116.9MB in the beginning and 161.1MB in the end (delta: -44.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:43,159 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 0.14ms. Allocated memory is still 113.2MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.70ms. Allocated memory is still 169.9MB. Free memory was 96.0MB in the beginning and 78.8MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.00ms. Allocated memory is still 169.9MB. Free memory was 78.8MB in the beginning and 76.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.63ms. Allocated memory is still 169.9MB. Free memory was 75.9MB in the beginning and 73.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 900.47ms. Allocated memory is still 169.9MB. Free memory was 73.0MB in the beginning and 117.9MB in the end (delta: -45.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2117.08ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 116.9MB in the beginning and 161.1MB in the end (delta: -44.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 99]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 int ora_0, ora_2, ora_4; [L39] 0 int volume_totale_1, volume_totale_3, volume_totale_5; [L40] 0 int cmp_6, cmp_7, cmp_8; [L71] 0 pthread_t t1, t2, t3; VAL [cmp_6=0, cmp_7=0, cmp_8=0, ora_0=0, ora_2=0, ora_4=0, t1={5:0}, t2={3:0}, t3={6:0}, volume_totale_1=0, volume_totale_3=0, volume_totale_5=0] [L74] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[ora_0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[ora_2],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[ora_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L74] 0 ora_0 = __VERIFIER_nondet_int() [L75] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[ora_2],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[ora_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L75] 0 ora_2 = __VERIFIER_nondet_int() [L76] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[ora_4],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L76] 0 ora_4 = __VERIFIER_nondet_int() [L77] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L77] 0 volume_totale_1 = __VERIFIER_nondet_int() [L78] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_3],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L78] 0 volume_totale_3 = __VERIFIER_nondet_int() [L79] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[volume_totale_5],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L79] 0 volume_totale_5 = __VERIFIER_nondet_int() [L80] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[cmp_6],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L80] 0 cmp_6 = __VERIFIER_nondet_int() [L81] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[cmp_7],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]]] [L81] 0 cmp_7 = __VERIFIER_nondet_int() [L82] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[cmp_8],IntegerLiteral[0]]]] [L82] 0 cmp_8 = __VERIFIER_nondet_int() [L85] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [cmp_6=0, cmp_7=0, cmp_8=0, ora_0=0, ora_2=0, ora_4=0, t1={5:0}, t2={3:0}, t3={6:0}, volume_totale_1=0, volume_totale_3=0, volume_totale_5=0] [L44] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [_argptr={0:0}, _argptr={0:0}, cmp_6=0, cmp_7=0, cmp_8=0, ora_0=0, ora_2=0, ora_4=0, volume_totale_1=0, volume_totale_3=0, volume_totale_5=0] [L45] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] [L45] CALL 1 minus(ora_0, ora_2) [L99] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[1],IdentifierExpression[b]],BinaryExpression[COMPNEQ,IdentifierExpression[b],IntegerLiteral[0]]]]] VAL [\old(a)=0, \old(b)=0, a=0, b=0, cmp_6=0, cmp_7=0, cmp_8=0, ora_0=0, ora_2=0, ora_4=0, volume_totale_1=0, volume_totale_3=0, volume_totale_5=0] - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 49]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 54]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 100]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 74]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 80]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 115 locations, 61 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: 2.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 211 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 590 IncrementalHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 46 mSDtfsCounter, 590 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=0, InterpolantAutomatonStates: 31, 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, 0.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 555 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-31 16:08:43,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE