./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-sre-symm.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d8006e4b 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-sre-symm.wvr.c ./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-sre-symm.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-d8006e4-m [2024-02-05 10:32:48,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-05 10:32:48,634 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-05 10:32:48,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-05 10:32:48,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-05 10:32:48,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-05 10:32:48,662 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-05 10:32:48,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-05 10:32:48,662 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-05 10:32:48,663 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-05 10:32:48,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-05 10:32:48,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-05 10:32:48,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-05 10:32:48,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-05 10:32:48,666 INFO L153 SettingsManager]: * Use SBE=true [2024-02-05 10:32:48,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-05 10:32:48,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-05 10:32:48,667 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-05 10:32:48,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-05 10:32:48,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-05 10:32:48,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-05 10:32:48,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-05 10:32:48,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-05 10:32:48,671 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-05 10:32:48,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-05 10:32:48,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-05 10:32:48,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-05 10:32:48,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-05 10:32:48,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-05 10:32:48,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-05 10:32:48,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-05 10:32:48,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-05 10:32:48,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:32:48,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-05 10:32:48,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-05 10:32:48,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-05 10:32:48,674 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-05 10:32:48,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-05 10:32:48,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-05 10:32:48,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-05 10:32:48,675 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-05 10:32:48,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-05 10:32:48,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-05 10:32:48,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-05 10:32:48,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-05 10:32:48,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-05 10:32:48,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-05 10:32:48,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-05 10:32:48,933 INFO L274 PluginConnector]: CDTParser initialized [2024-02-05 10:32:48,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2024-02-05 10:32:50,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-05 10:32:50,363 INFO L384 CDTParser]: Found 1 translation units. [2024-02-05 10:32:50,366 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2024-02-05 10:32:50,392 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecaae90c2/780d97ff92b342d4a146515d8de51c31/FLAGdb2c29891 [2024-02-05 10:32:50,405 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecaae90c2/780d97ff92b342d4a146515d8de51c31 [2024-02-05 10:32:50,407 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-05 10:32:50,407 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-05 10:32:50,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-01-24_13-31-21.files/SV-COMP24_unreach-call/chl-sre-symm.wvr.yml/witness.yml [2024-02-05 10:32:50,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-05 10:32:50,523 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-05 10:32:50,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-05 10:32:50,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-05 10:32:50,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-05 10:32:50,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:32:50" (1/2) ... [2024-02-05 10:32:50,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f08b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:50, skipping insertion in model container [2024-02-05 10:32:50,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.02 10:32:50" (1/2) ... [2024-02-05 10:32:50,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50d9e4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.02 10:32:50, skipping insertion in model container [2024-02-05 10:32:50,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:50" (2/2) ... [2024-02-05 10:32:50,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f08b0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50, skipping insertion in model container [2024-02-05 10:32:50,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:50" (2/2) ... [2024-02-05 10:32:50,550 INFO L86 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-05 10:32:50,567 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-02-05 10:32:50,571 INFO L101 nessWitnessExtractor]: Location invariant before [L58-L58] (((result_2 == 0) && (result_3 == 0)) && (sponsored_1 == (_Bool)0)) && (sponsored_0 == (_Bool)0 || sponsored_0 == (_Bool)1) [2024-02-05 10:32:50,571 INFO L101 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-02-05 10:32:50,571 INFO L101 nessWitnessExtractor]: Location invariant before [L61-L61] (((result_2 == 0) && (result_3 == 0)) && (sponsored_0 == (_Bool)0 || sponsored_0 == (_Bool)1)) && (sponsored_1 == (_Bool)0 || sponsored_1 == (_Bool)1) [2024-02-05 10:32:50,572 INFO L101 nessWitnessExtractor]: Location invariant before [L57-L57] (((result_2 == 0) && (result_3 == 0)) && (sponsored_0 == (_Bool)0)) && (sponsored_1 == (_Bool)0) [2024-02-05 10:32:50,572 INFO L101 nessWitnessExtractor]: Location invariant before [L44-L44] (unsigned long )_argptr == 0UL [2024-02-05 10:32:50,590 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-02-05 10:32:50,772 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-sre-symm.wvr.c[2159,2172] [2024-02-05 10:32:50,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:32:50,786 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-05 10:32:50,839 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-sre-symm.wvr.c[2159,2172] [2024-02-05 10:32:50,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-05 10:32:50,853 INFO L208 MainTranslator]: Completed translation [2024-02-05 10:32:50,854 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50 WrapperNode [2024-02-05 10:32:50,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-05 10:32:50,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-05 10:32:50,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-05 10:32:50,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-05 10:32:50,861 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 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,875 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 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,898 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-02-05 10:32:50,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-05 10:32:50,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-05 10:32:50,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-05 10:32:50,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-05 10:32:50,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,929 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-05 10:32:50,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-05 10:32:50,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-05 10:32:50,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-05 10:32:50,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-05 10:32:50,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (1/1) ... [2024-02-05 10:32:50,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-05 10:32:50,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-05 10:32:50,971 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) [2024-02-05 10:32:51,015 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 [2024-02-05 10:32:51,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-05 10:32:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-05 10:32:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-05 10:32:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-05 10:32:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-05 10:32:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-05 10:32:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-05 10:32:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-05 10:32:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-05 10:32:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-05 10:32:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-05 10:32:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-05 10:32:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-05 10:32:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-05 10:32:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-05 10:32:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-05 10:32:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-05 10:32:51,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-05 10:32:51,036 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-05 10:32:51,149 INFO L244 CfgBuilder]: Building ICFG [2024-02-05 10:32:51,151 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-05 10:32:51,305 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-05 10:32:51,306 INFO L293 CfgBuilder]: Performing block encoding [2024-02-05 10:32:51,404 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-05 10:32:51,404 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-05 10:32:51,404 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:32:51 BoogieIcfgContainer [2024-02-05 10:32:51,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-05 10:32:51,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-05 10:32:51,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-05 10:32:51,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-05 10:32:51,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.02 10:32:50" (1/4) ... [2024-02-05 10:32:51,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7272bbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.02 10:32:51, skipping insertion in model container [2024-02-05 10:32:51,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 05.02 10:32:50" (2/4) ... [2024-02-05 10:32:51,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7272bbe1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:32:51, skipping insertion in model container [2024-02-05 10:32:51,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 05.02 10:32:50" (3/4) ... [2024-02-05 10:32:51,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7272bbe1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 05.02 10:32:51, skipping insertion in model container [2024-02-05 10:32:51,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.02 10:32:51" (4/4) ... [2024-02-05 10:32:51,412 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2024-02-05 10:32:51,427 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-05 10:32:51,431 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-02-05 10:32:51,431 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-05 10:32:51,486 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-05 10:32:51,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 25 transitions, 64 flow [2024-02-05 10:32:51,568 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-02-05 10:32:51,568 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-05 10:32:51,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 23 events. 0/23 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 14 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-02-05 10:32:51,571 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 25 transitions, 64 flow [2024-02-05 10:32:51,574 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 22 transitions, 56 flow [2024-02-05 10:32:51,592 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-05 10:32:51,600 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;@77ee3b41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-05 10:32:51,600 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-02-05 10:32:51,603 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-05 10:32:51,603 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-05 10:32:51,603 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-05 10:32:51,603 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:51,604 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-05 10:32:51,604 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (and 7 more)] === [2024-02-05 10:32:51,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:51,614 INFO L85 PathProgramCache]: Analyzing trace with hash 7089, now seen corresponding path program 1 times [2024-02-05 10:32:51,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:51,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608404313] [2024-02-05 10:32:51,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:51,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-05 10:32:52,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-05 10:32:52,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-05 10:32:52,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608404313] [2024-02-05 10:32:52,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608404313] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-05 10:32:52,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-05 10:32:52,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-05 10:32:52,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923151814] [2024-02-05 10:32:52,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-05 10:32:52,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-05 10:32:52,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-05 10:32:52,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-05 10:32:52,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-05 10:32:52,053 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 25 [2024-02-05 10:32:52,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 22 transitions, 56 flow. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:52,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-05 10:32:52,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 25 [2024-02-05 10:32:52,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-05 10:32:52,126 INFO L124 PetriNetUnfolderBase]: 24/70 cut-off events. [2024-02-05 10:32:52,127 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-02-05 10:32:52,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 70 events. 24/70 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 155 event pairs, 24 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 99. Up to 62 conditions per place. [2024-02-05 10:32:52,129 INFO L140 encePairwiseOnDemand]: 22/25 looper letters, 16 selfloop transitions, 2 changer transitions 0/21 dead transitions. [2024-02-05 10:32:52,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 21 transitions, 90 flow [2024-02-05 10:32:52,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-05 10:32:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-05 10:32:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 34 transitions. [2024-02-05 10:32:52,139 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4533333333333333 [2024-02-05 10:32:52,141 INFO L175 Difference]: Start difference. First operand has 29 places, 22 transitions, 56 flow. Second operand 3 states and 34 transitions. [2024-02-05 10:32:52,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 21 transitions, 90 flow [2024-02-05 10:32:52,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 21 transitions, 82 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-05 10:32:52,145 INFO L231 Difference]: Finished difference. Result has 26 places, 21 transitions, 50 flow [2024-02-05 10:32:52,146 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=25, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=50, PETRI_PLACES=26, PETRI_TRANSITIONS=21} [2024-02-05 10:32:52,150 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -3 predicate places. [2024-02-05 10:32:52,150 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 21 transitions, 50 flow [2024-02-05 10:32:52,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-05 10:32:52,150 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-05 10:32:52,151 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-05 10:32:52,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-05 10:32:52,151 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (and 7 more)] === [2024-02-05 10:32:52,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-05 10:32:52,152 INFO L85 PathProgramCache]: Analyzing trace with hash 219963, now seen corresponding path program 1 times [2024-02-05 10:32:52,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-05 10:32:52,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092752207] [2024-02-05 10:32:52,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-05 10:32:52,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-05 10:32:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:32:52,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-05 10:32:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-05 10:32:52,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-05 10:32:52,184 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-05 10:32:52,185 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 10 remaining) [2024-02-05 10:32:52,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 10 remaining) [2024-02-05 10:32:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 10 remaining) [2024-02-05 10:32:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 10 remaining) [2024-02-05 10:32:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 10 remaining) [2024-02-05 10:32:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (4 of 10 remaining) [2024-02-05 10:32:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 10 remaining) [2024-02-05 10:32:52,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 10 remaining) [2024-02-05 10:32:52,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 10 remaining) [2024-02-05 10:32:52,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 10 remaining) [2024-02-05 10:32:52,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-05 10:32:52,189 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-05 10:32:52,193 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-05 10:32:52,193 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-05 10:32:52,206 INFO L503 ceAbstractionStarter]: Automizer considered 5 witness invariants [2024-02-05 10:32:52,206 INFO L504 ceAbstractionStarter]: WitnessConsidered=5 [2024-02-05 10:32:52,207 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.02 10:32:52 BasicIcfg [2024-02-05 10:32:52,207 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-05 10:32:52,208 INFO L158 Benchmark]: Toolchain (without parser) took 1685.23ms. Allocated memory is still 163.6MB. Free memory was 93.5MB in the beginning and 108.1MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:52,208 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:52,208 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:52,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.97ms. Allocated memory is still 163.6MB. Free memory was 93.3MB in the beginning and 129.1MB in the end (delta: -35.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-02-05 10:32:52,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.32ms. Allocated memory is still 163.6MB. Free memory was 129.1MB in the beginning and 127.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:52,210 INFO L158 Benchmark]: Boogie Preprocessor took 30.46ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-05 10:32:52,210 INFO L158 Benchmark]: RCFGBuilder took 467.06ms. Allocated memory is still 163.6MB. Free memory was 125.8MB in the beginning and 101.1MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-02-05 10:32:52,210 INFO L158 Benchmark]: TraceAbstraction took 801.25ms. Allocated memory is still 163.6MB. Free memory was 100.6MB in the beginning and 108.1MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-05 10:32:52,212 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 123.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 163.6MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.97ms. Allocated memory is still 163.6MB. Free memory was 93.3MB in the beginning and 129.1MB in the end (delta: -35.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.32ms. Allocated memory is still 163.6MB. Free memory was 129.1MB in the beginning and 127.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.46ms. Allocated memory is still 163.6MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.06ms. Allocated memory is still 163.6MB. Free memory was 125.8MB in the beginning and 101.1MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 801.25ms. Allocated memory is still 163.6MB. Free memory was 100.6MB in the beginning and 108.1MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 58]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int result_2, result_3; [L39] _Bool sponsored_0, sponsored_1; [L54] pthread_t t1, t2; VAL [result_2=0, result_3=0, sponsored_0=0, sponsored_1=0, t1={5:0}, t2={3:0}] [L57] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_2],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L57] sponsored_0 = __VERIFIER_nondet_bool() [L58] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[result_2],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[result_3],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[sponsored_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[sponsored_0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [result_2=0, result_3=0, sponsored_0=2, sponsored_1=0, t1={5:0}, t2={3:0}] - 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: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 57]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: 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: 61]: 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: 62]: 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 5 procedures, 36 locations, 10 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-05 10:32:52,259 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