./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/chl-match-trans.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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-match-trans.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/chl-match-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-dev-958ec4d-m [2024-02-07 14:30:49,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:30:49,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:30:49,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:30:49,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:30:49,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:30:49,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:30:49,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:30:49,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:30:49,851 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:30:49,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:30:49,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:30:49,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:30:49,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:30:49,854 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:30:49,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:30:49,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:30:49,854 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:30:49,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:30:49,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:30:49,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:30:49,864 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:30:49,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:30:49,865 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:30:49,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:30:49,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:30:49,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:30:49,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:30:49,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:30:49,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:30:49,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:30:49,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:30:49,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:30:49,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:30:49,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:30:49,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:30:49,868 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:30:49,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:30:49,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:30:49,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:30:49,869 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:30:49,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:30:49,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:30:49,869 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:30:50,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:30:50,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:30:50,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:30:50,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:30:50,146 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:30:50,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2024-02-07 14:30:51,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:30:51,455 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:30:51,456 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2024-02-07 14:30:51,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d890ad8b0/e324887a43424c4bbbdf98736f0883be/FLAG91e1ef294 [2024-02-07 14:30:51,481 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d890ad8b0/e324887a43424c4bbbdf98736f0883be [2024-02-07 14:30:51,482 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:30:51,483 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:30:51,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/chl-match-trans.wvr.yml/witness.yml [2024-02-07 14:30:51,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:30:51,592 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:30:51,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:30:51,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:30:51,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:30:51,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:30:51" (1/2) ... [2024-02-07 14:30:51,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf88e9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:30:51, skipping insertion in model container [2024-02-07 14:30:51,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:30:51" (1/2) ... [2024-02-07 14:30:51,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e78bb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:30:51, skipping insertion in model container [2024-02-07 14:30:51,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:30:51" (2/2) ... [2024-02-07 14:30:51,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf88e9a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:51, skipping insertion in model container [2024-02-07 14:30:51,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:30:51" (2/2) ... [2024-02-07 14:30:51,602 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:30:51,684 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:30:51,685 INFO L76 edCorrectnessWitness]: Location invariant before [L47-L47] ((((-128 <= result_9) && (-1 <= result_9)) && (result_9 <= 1)) && (result_9 <= 127)) && ((result_9 == -1 || result_9 == 0) || result_9 == 1) [2024-02-07 14:30:51,685 INFO L76 edCorrectnessWitness]: Location invariant after [L43-L43] ((((4294967296LL + (long long )s1) + (long long )s2 >= 0LL) && ((4294967295LL - (long long )s1) + (long long )s2 >= 0LL)) && ((4294967295LL + (long long )s1) - (long long )s2 >= 0LL)) && ((4294967294LL - (long long )s1) - (long long )s2 >= 0LL) [2024-02-07 14:30:51,686 INFO L76 edCorrectnessWitness]: Location invariant before [L43-L43] ((((4294967296LL + (long long )s1) + (long long )s2 >= 0LL) && ((4294967295LL - (long long )s1) + (long long )s2 >= 0LL)) && ((4294967295LL + (long long )s1) - (long long )s2 >= 0LL)) && ((4294967294LL - (long long )s1) - (long long )s2 >= 0LL) [2024-02-07 14:30:51,686 INFO L76 edCorrectnessWitness]: Location invariant before [L59-L59] ((((4294967296LL + (long long )s1) + (long long )s2 >= 0LL) && ((4294967295LL - (long long )s1) + (long long )s2 >= 0LL)) && ((4294967295LL + (long long )s1) - (long long )s2 >= 0LL)) && ((4294967294LL - (long long )s1) - (long long )s2 >= 0LL) [2024-02-07 14:30:51,686 INFO L76 edCorrectnessWitness]: Location invariant before [L95-L95] (1 <= b) && (b != 0) [2024-02-07 14:30:51,686 INFO L76 edCorrectnessWitness]: Location invariant before [L94-L94] (b <= -1) && (b != 0) [2024-02-07 14:30:51,686 INFO L76 edCorrectnessWitness]: Location invariant after [L59-L59] ((((4294967296LL + (long long )s1) + (long long )s2 >= 0LL) && ((4294967295LL - (long long )s1) + (long long )s2 >= 0LL)) && ((4294967295LL + (long long )s1) - (long long )s2 >= 0LL)) && ((4294967294LL - (long long )s1) - (long long )s2 >= 0LL) [2024-02-07 14:30:51,686 INFO L76 edCorrectnessWitness]: Location invariant before [L87-L87] ((((((((((((((-128 <= result_9) && (-128 <= result_10)) && (-128 <= result_11)) && (-1 <= result_9)) && (-1 <= result_10)) && (-1 <= result_11)) && (result_9 <= 1)) && (result_9 <= 127)) && (result_10 <= 1)) && (result_10 <= 127)) && (result_11 <= 1)) && (result_11 <= 127)) && ((result_9 == -1 || result_9 == 0) || result_9 == 1)) && ((result_10 == -1 || result_10 == 0) || result_10 == 1)) && ((result_11 == -1 || result_11 == 0) || result_11 == 1) [2024-02-07 14:30:51,687 INFO L76 edCorrectnessWitness]: Location invariant before [L51-L51] ((((4294967296LL + (long long )s1) + (long long )s2 >= 0LL) && ((4294967295LL - (long long )s1) + (long long )s2 >= 0LL)) && ((4294967295LL + (long long )s1) - (long long )s2 >= 0LL)) && ((4294967294LL - (long long )s1) - (long long )s2 >= 0LL) [2024-02-07 14:30:51,687 INFO L76 edCorrectnessWitness]: Location invariant before [L63-L63] ((((-128 <= result_11) && (-1 <= result_11)) && (result_11 <= 1)) && (result_11 <= 127)) && ((result_11 == -1 || result_11 == 0) || result_11 == 1) [2024-02-07 14:30:51,687 INFO L76 edCorrectnessWitness]: Location invariant after [L51-L51] ((((4294967296LL + (long long )s1) + (long long )s2 >= 0LL) && ((4294967295LL - (long long )s1) + (long long )s2 >= 0LL)) && ((4294967295LL + (long long )s1) - (long long )s2 >= 0LL)) && ((4294967294LL - (long long )s1) - (long long )s2 >= 0LL) [2024-02-07 14:30:51,687 INFO L76 edCorrectnessWitness]: Location invariant before [L55-L55] ((((-128 <= result_10) && (-1 <= result_10)) && (result_10 <= 1)) && (result_10 <= 127)) && ((result_10 == -1 || result_10 == 0) || result_10 == 1) [2024-02-07 14:30:51,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:30:51,915 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-match-trans.wvr.c[2993,3006] [2024-02-07 14:30:51,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:30:51,937 INFO L203 MainTranslator]: Completed pre-run [2024-02-07 14:30:51,950 WARN L423 MainDispatcher]: Unable to annotate int with a witness entry [2024-02-07 14:30:51,950 WARN L423 MainDispatcher]: Unable to annotate s1 = plus(seq_1_start_1, seq_2_start_2) with a witness entry Start Parsing Local [2024-02-07 14:30:51,971 WARN L423 MainDispatcher]: Unable to annotate int with a witness entry [2024-02-07 14:30:51,971 WARN L423 MainDispatcher]: Unable to annotate s1 = plus(seq_1_start_4, seq_2_start_5) with a witness entry Start Parsing Local [2024-02-07 14:30:51,982 WARN L423 MainDispatcher]: Unable to annotate int with a witness entry [2024-02-07 14:30:51,982 WARN L423 MainDispatcher]: Unable to annotate s1 = plus(seq_1_start_1, seq_2_start_2) with a witness entry Start Parsing Local Start Parsing Local [2024-02-07 14:30:51,998 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-match-trans.wvr.c[2993,3006] Start Parsing Local Start Parsing Local [2024-02-07 14:30:52,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:30:52,014 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:30:52,017 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52 WrapperNode [2024-02-07 14:30:52,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:30:52,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:30:52,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:30:52,018 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:30:52,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,072 INFO L138 Inliner]: procedures = 23, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 229 [2024-02-07 14:30:52,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:30:52,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:30:52,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:30:52,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:30:52,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,089 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,103 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]. [2024-02-07 14:30:52,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,118 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:30:52,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:30:52,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:30:52,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:30:52,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (1/1) ... [2024-02-07 14:30:52,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:30:52,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:30:52,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:30:52,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:30:52,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:30:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 14:30:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 14:30:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 14:30:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 14:30:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-07 14:30:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-07 14:30:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:30:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:30:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:30:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:30:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:30:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:30:52,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:30:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:30:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:30:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:30:52,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:30:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:30:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:30:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:30:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:30:52,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:30:52,248 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:30:52,362 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:30:52,363 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:30:52,764 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:30:52,765 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:30:53,025 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:30:53,026 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:30:53,026 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:30:53 BoogieIcfgContainer [2024-02-07 14:30:53,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:30:53,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:30:53,029 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:30:53,031 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:30:53,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:30:51" (1/4) ... [2024-02-07 14:30:53,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@165617e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:30:53, skipping insertion in model container [2024-02-07 14:30:53,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:30:51" (2/4) ... [2024-02-07 14:30:53,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@165617e0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:30:53, skipping insertion in model container [2024-02-07 14:30:53,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:30:52" (3/4) ... [2024-02-07 14:30:53,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@165617e0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:30:53, skipping insertion in model container [2024-02-07 14:30:53,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:30:53" (4/4) ... [2024-02-07 14:30:53,034 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2024-02-07 14:30:53,048 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:30:53,049 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-02-07 14:30:53,049 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:30:53,102 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-07 14:30:53,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 53 transitions, 127 flow [2024-02-07 14:30:53,155 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2024-02-07 14:30:53,155 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 14:30:53,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 0/50 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 125 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-07 14:30:53,157 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 53 transitions, 127 flow [2024-02-07 14:30:53,159 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 49 transitions, 116 flow [2024-02-07 14:30:53,165 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:30:53,170 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;@3f372dc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:30:53,170 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-02-07 14:30:53,173 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:30:53,173 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:30:53,173 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:30:53,173 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:30:53,174 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:30:53,174 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 32 more)] === [2024-02-07 14:30:53,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:30:53,178 INFO L85 PathProgramCache]: Analyzing trace with hash 21668798, now seen corresponding path program 1 times [2024-02-07 14:30:53,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:30:53,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209554022] [2024-02-07 14:30:53,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:30:53,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:30:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:30:53,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:30:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:30:53,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:30:53,291 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:30:53,292 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 35 remaining) [2024-02-07 14:30:53,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 35 remaining) [2024-02-07 14:30:53,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 35 remaining) [2024-02-07 14:30:53,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 35 remaining) [2024-02-07 14:30:53,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 35 remaining) [2024-02-07 14:30:53,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 35 remaining) [2024-02-07 14:30:53,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 35 remaining) [2024-02-07 14:30:53,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 35 remaining) [2024-02-07 14:30:53,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 35 remaining) [2024-02-07 14:30:53,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 35 remaining) [2024-02-07 14:30:53,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 35 remaining) [2024-02-07 14:30:53,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 35 remaining) [2024-02-07 14:30:53,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 35 remaining) [2024-02-07 14:30:53,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 35 remaining) [2024-02-07 14:30:53,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 35 remaining) [2024-02-07 14:30:53,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 35 remaining) [2024-02-07 14:30:53,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 35 remaining) [2024-02-07 14:30:53,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (17 of 35 remaining) [2024-02-07 14:30:53,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 35 remaining) [2024-02-07 14:30:53,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 35 remaining) [2024-02-07 14:30:53,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 35 remaining) [2024-02-07 14:30:53,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 35 remaining) [2024-02-07 14:30:53,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 35 remaining) [2024-02-07 14:30:53,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 35 remaining) [2024-02-07 14:30:53,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 35 remaining) [2024-02-07 14:30:53,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 35 remaining) [2024-02-07 14:30:53,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 35 remaining) [2024-02-07 14:30:53,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 35 remaining) [2024-02-07 14:30:53,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 35 remaining) [2024-02-07 14:30:53,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 35 remaining) [2024-02-07 14:30:53,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 35 remaining) [2024-02-07 14:30:53,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 35 remaining) [2024-02-07 14:30:53,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 35 remaining) [2024-02-07 14:30:53,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 35 remaining) [2024-02-07 14:30:53,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 35 remaining) [2024-02-07 14:30:53,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:30:53,301 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-02-07 14:30:53,306 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:30:53,306 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:30:53,321 INFO L503 ceAbstractionStarter]: Automizer considered 16 witness invariants [2024-02-07 14:30:53,321 INFO L504 ceAbstractionStarter]: WitnessConsidered=16 [2024-02-07 14:30:53,322 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:30:53 BasicIcfg [2024-02-07 14:30:53,322 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:30:53,323 INFO L158 Benchmark]: Toolchain (without parser) took 1730.56ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 78.0MB in the beginning and 147.8MB in the end (delta: -69.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:30:53,323 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory was 128.5MB in the beginning and 128.3MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:30:53,323 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:30:53,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.94ms. Allocated memory is still 163.6MB. Free memory was 77.7MB in the beginning and 128.3MB in the end (delta: -50.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-02-07 14:30:53,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.33ms. Allocated memory is still 163.6MB. Free memory was 128.3MB in the beginning and 126.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:30:53,324 INFO L158 Benchmark]: Boogie Preprocessor took 58.12ms. Allocated memory is still 163.6MB. Free memory was 126.4MB in the beginning and 123.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:30:53,325 INFO L158 Benchmark]: RCFGBuilder took 893.16ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 123.3MB in the beginning and 185.5MB in the end (delta: -62.3MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2024-02-07 14:30:53,325 INFO L158 Benchmark]: TraceAbstraction took 293.50ms. Allocated memory is still 224.4MB. Free memory was 185.5MB in the beginning and 148.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-02-07 14:30:53,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 163.6MB. Free memory was 128.5MB in the beginning and 128.3MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 163.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.94ms. Allocated memory is still 163.6MB. Free memory was 77.7MB in the beginning and 128.3MB in the end (delta: -50.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.33ms. Allocated memory is still 163.6MB. Free memory was 128.3MB in the beginning and 126.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.12ms. Allocated memory is still 163.6MB. Free memory was 126.4MB in the beginning and 123.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 893.16ms. Allocated memory was 163.6MB in the beginning and 224.4MB in the end (delta: 60.8MB). Free memory was 123.3MB in the beginning and 185.5MB in the end (delta: -62.3MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. * TraceAbstraction took 293.50ms. Allocated memory is still 224.4MB. Free memory was 185.5MB in the beginning and 148.8MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 94]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 int score_0, seq_1_start_1, seq_2_start_2, score_3, seq_1_start_4, seq_2_start_5, score_6, seq_1_start_7, seq_2_start_8, result_9, result_10, result_11; [L67] 0 pthread_t t1, t2, t3; [L69] 0 score_0 = __VERIFIER_nondet_int() [L70] 0 seq_1_start_1 = __VERIFIER_nondet_int() [L71] 0 seq_2_start_2 = __VERIFIER_nondet_int() [L72] 0 score_3 = __VERIFIER_nondet_int() [L73] 0 seq_1_start_4 =__VERIFIER_nondet_int() [L74] 0 seq_2_start_5 = __VERIFIER_nondet_int() [L75] 0 score_6 = __VERIFIER_nondet_int() [L76] 0 seq_1_start_7 =__VERIFIER_nondet_int() [L77] 0 seq_2_start_8 = __VERIFIER_nondet_int() [L80] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [result_10=0, result_11=0, result_9=0, score_0=0, score_3=0, score_6=0, seq_1_start_1=-1, seq_1_start_4=0, seq_1_start_7=0, seq_2_start_2=0, seq_2_start_5=0, seq_2_start_8=0, t1={3:0}, t2={6:0}, t3={5:0}] [L43] CALL 1 plus(seq_1_start_1, seq_2_start_2) [L94] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IdentifierExpression[b],UnaryExpression[MINUS,IntegerLiteral[1]]],BinaryExpression[COMPNEQ,IdentifierExpression[b],IntegerLiteral[0]]]]] VAL [\old(a)=-1, \old(b)=0, a=-1, b=0, result_10=0, result_11=0, result_9=0, score_0=0, score_3=0, score_6=0, seq_1_start_1=-1, seq_1_start_4=0, seq_1_start_7=0, seq_2_start_2=0, seq_2_start_5=0, seq_2_start_8=0] - UnprovableResult [Line: 95]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: 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: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 55]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 95]: 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: 87]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 88]: 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: 82]: 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: 80]: 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: 81]: 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, 93 locations, 35 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: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2024-02-07 14:30:53,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE