./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.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/popl20-bad-dot-product.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/popl20-bad-dot-product.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:15:48,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:15:48,757 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:15:48,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:15:48,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:15:48,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:15:48,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:15:48,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:15:48,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:15:48,834 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:15:48,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:15:48,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:15:48,835 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:15:48,836 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:15:48,836 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:15:48,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:15:48,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:15:48,837 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:15:48,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:15:48,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:15:48,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:15:48,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:15:48,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:15:48,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:15:48,839 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:15:48,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:15:48,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:15:48,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:15:48,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:15:48,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:15:48,841 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:15:48,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:15:48,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:15:48,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:15:48,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:15:48,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:15:48,842 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:15:48,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:15:48,843 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:15:48,843 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:15:48,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:15:48,843 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:15:48,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:15:48,843 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:15:49,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:15:49,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:15:49,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:15:49,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:15:49,071 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:15:49,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-02-07 19:15:50,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:15:50,281 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:15:50,282 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product.wvr.c [2024-02-07 19:15:50,292 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/178105fed/152dd7cdaf5b46c3890579673de59fd1/FLAGc8f48277a [2024-02-07 19:15:50,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/178105fed/152dd7cdaf5b46c3890579673de59fd1 [2024-02-07 19:15:50,305 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:15:50,306 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:15:50,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/popl20-bad-dot-product.wvr.yml/witness.yml [2024-02-07 19:15:50,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:15:50,379 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:15:50,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:15:50,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:15:50,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:15:50,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:15:50" (1/2) ... [2024-02-07 19:15:50,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759ef037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:15:50, skipping insertion in model container [2024-02-07 19:15:50,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:15:50" (1/2) ... [2024-02-07 19:15:50,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3315a6df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:15:50, skipping insertion in model container [2024-02-07 19:15:50,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:15:50" (2/2) ... [2024-02-07 19:15:50,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759ef037 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:50, skipping insertion in model container [2024-02-07 19:15:50,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:15:50" (2/2) ... [2024-02-07 19:15:50,388 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:15:50,409 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:15:50,410 INFO L76 edCorrectnessWitness]: Location invariant before [L124-L124] (b <= -1) && (b != 0) [2024-02-07 19:15:50,410 INFO L76 edCorrectnessWitness]: Location invariant before [L79-L79] ((((((((((10 <= j && j <= 2147483646) || j == 9) || j == 8) || j == 7) || j == 6) || j == 5) || j == 4) || j == 3) || j == 2) || j == 1) || (0 == j && j == 0) [2024-02-07 19:15:50,410 INFO L76 edCorrectnessWitness]: Location invariant before [L66-L66] ((((((((((10 <= j && j <= 2147483646) || j == 9) || j == 8) || j == 7) || j == 6) || j == 5) || j == 4) || j == 3) || j == 2) || j == 1) || (0 == j && j == 0) [2024-02-07 19:15:50,411 INFO L76 edCorrectnessWitness]: Location invariant before [L53-L53] ((((((((((10 <= j && j <= 2147483646) || j == 9) || j == 8) || j == 7) || j == 6) || j == 5) || j == 4) || j == 3) || j == 2) || j == 1) || (0 == j && j == 0) [2024-02-07 19:15:50,411 INFO L76 edCorrectnessWitness]: Location invariant before [L96-L96] 0 <= M [2024-02-07 19:15:50,411 INFO L76 edCorrectnessWitness]: Location invariant before [L125-L125] (1 <= b) && (b != 0) [2024-02-07 19:15:50,411 INFO L76 edCorrectnessWitness]: Location invariant before [L50-L50] (0 <= i) && (i <= 2147483646) [2024-02-07 19:15:50,411 INFO L76 edCorrectnessWitness]: Location invariant before [L63-L63] (0 <= i) && (i <= 2147483646) [2024-02-07 19:15:50,411 INFO L76 edCorrectnessWitness]: Location invariant before [L118-L118] ((((((((8 <= i && i <= 2147483646) || i == 7) || i == 6) || i == 5) || i == 4) || i == 3) || i == 2) || i == 1) || (0 == i && i == 0) [2024-02-07 19:15:50,411 INFO L76 edCorrectnessWitness]: Location invariant before [L76-L76] i <= 2147483646 [2024-02-07 19:15:50,428 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:15:50,548 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/popl20-bad-dot-product.wvr.c[2904,2917] [2024-02-07 19:15:50,554 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:15:50,561 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:15:50,629 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/popl20-bad-dot-product.wvr.c[2904,2917] Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:15:50,642 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:15:50,654 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:15:50,657 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:15:50 WrapperNode [2024-02-07 19:15:50,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:15:50,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:15:50,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:15:50,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:15:50,664 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,681 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,716 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 22, statements flattened = 305 [2024-02-07 19:15:50,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:15:50,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:15:50,721 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:15:50,721 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:15:50,729 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,729 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,741 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,757 INFO L175 MemorySlicer]: Split 19 memory accesses to 5 slices as follows [2, 2, 2, 11, 2]. 58 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 5 writes are split as follows [0, 1, 1, 2, 1]. [2024-02-07 19:15:50,757 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,757 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,787 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,794 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,796 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,807 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:15:50,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:15:50,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:15:50,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:15:50,826 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 07:15:50" (1/1) ... [2024-02-07 19:15:50,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:15:50,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:15:50,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:15:50,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:15:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:15:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:15:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:15:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:15:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:15:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:15:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:15:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 19:15:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 19:15:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 19:15:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 19:15:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-02-07 19:15:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 19:15:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 19:15:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 19:15:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 19:15:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-02-07 19:15:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-02-07 19:15:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:15:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:15:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:15:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:15:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:15:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:15:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:15:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-07 19:15:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:15:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:15:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:15:50,923 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:15:51,028 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:15:51,030 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:15:51,422 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:15:51,422 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:15:51,688 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:15:51,688 INFO L320 CfgBuilder]: Removed 8 assume(true) statements. [2024-02-07 19:15:51,689 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:15:51 BoogieIcfgContainer [2024-02-07 19:15:51,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:15:51,692 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:15:51,692 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:15:51,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:15:51,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:15:50" (1/4) ... [2024-02-07 19:15:51,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b738ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:15:51, skipping insertion in model container [2024-02-07 19:15:51,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:15:50" (2/4) ... [2024-02-07 19:15:51,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b738ef3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:15:51, skipping insertion in model container [2024-02-07 19:15:51,696 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 07:15:50" (3/4) ... [2024-02-07 19:15:51,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b738ef3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:15:51, skipping insertion in model container [2024-02-07 19:15:51,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:15:51" (4/4) ... [2024-02-07 19:15:51,698 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-02-07 19:15:51,712 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:15:51,712 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-02-07 19:15:51,713 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:15:51,812 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-02-07 19:15:51,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 73 transitions, 167 flow [2024-02-07 19:15:51,882 INFO L124 PetriNetUnfolderBase]: 11/70 cut-off events. [2024-02-07 19:15:51,882 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 19:15:51,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 70 events. 11/70 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 165 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2024-02-07 19:15:51,886 INFO L82 GeneralOperation]: Start removeDead. Operand has 72 places, 73 transitions, 167 flow [2024-02-07 19:15:51,888 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 69 transitions, 156 flow [2024-02-07 19:15:51,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:15:51,908 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;@471a122c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:15:51,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-02-07 19:15:51,911 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:15:51,911 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2024-02-07 19:15:51,911 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:15:51,912 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:15:51,912 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-07 19:15:51,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 28 more)] === [2024-02-07 19:15:51,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:15:51,916 INFO L85 PathProgramCache]: Analyzing trace with hash 917682, now seen corresponding path program 1 times [2024-02-07 19:15:51,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:15:51,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451698616] [2024-02-07 19:15:51,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:15:51,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:15:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:15:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:15:52,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:15:52,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451698616] [2024-02-07 19:15:52,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451698616] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:15:52,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:15:52,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:15:52,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482673912] [2024-02-07 19:15:52,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:15:52,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:15:52,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:15:52,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:15:52,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:15:52,249 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 73 [2024-02-07 19:15:52,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 69 transitions, 156 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:15:52,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:15:52,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 73 [2024-02-07 19:15:52,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:15:52,937 INFO L124 PetriNetUnfolderBase]: 4334/6408 cut-off events. [2024-02-07 19:15:52,937 INFO L125 PetriNetUnfolderBase]: For 306/306 co-relation queries the response was YES. [2024-02-07 19:15:52,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12848 conditions, 6408 events. 4334/6408 cut-off events. For 306/306 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 36763 event pairs, 3768 based on Foata normal form. 562/5190 useless extension candidates. Maximal degree in co-relation 11670. Up to 6160 conditions per place. [2024-02-07 19:15:52,969 INFO L140 encePairwiseOnDemand]: 60/73 looper letters, 46 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2024-02-07 19:15:52,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 64 transitions, 248 flow [2024-02-07 19:15:52,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:15:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:15:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 107 transitions. [2024-02-07 19:15:52,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4885844748858447 [2024-02-07 19:15:52,979 INFO L175 Difference]: Start difference. First operand has 68 places, 69 transitions, 156 flow. Second operand 3 states and 107 transitions. [2024-02-07 19:15:52,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 64 transitions, 248 flow [2024-02-07 19:15:52,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 64 transitions, 236 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-02-07 19:15:52,986 INFO L231 Difference]: Finished difference. Result has 63 places, 64 transitions, 166 flow [2024-02-07 19:15:52,987 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=166, PETRI_PLACES=63, PETRI_TRANSITIONS=64} [2024-02-07 19:15:52,989 INFO L281 CegarLoopForPetriNet]: 68 programPoint places, -5 predicate places. [2024-02-07 19:15:52,990 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 64 transitions, 166 flow [2024-02-07 19:15:52,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:15:52,990 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:15:52,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:15:52,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:15:52,990 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 28 more)] === [2024-02-07 19:15:52,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:15:52,991 INFO L85 PathProgramCache]: Analyzing trace with hash 28449979, now seen corresponding path program 1 times [2024-02-07 19:15:52,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:15:52,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837269366] [2024-02-07 19:15:52,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:15:52,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:15:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:15:53,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:15:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:15:53,046 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:15:53,046 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:15:53,047 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 31 remaining) [2024-02-07 19:15:53,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 31 remaining) [2024-02-07 19:15:53,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 31 remaining) [2024-02-07 19:15:53,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 31 remaining) [2024-02-07 19:15:53,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 31 remaining) [2024-02-07 19:15:53,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 31 remaining) [2024-02-07 19:15:53,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 31 remaining) [2024-02-07 19:15:53,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 31 remaining) [2024-02-07 19:15:53,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 31 remaining) [2024-02-07 19:15:53,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 31 remaining) [2024-02-07 19:15:53,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 31 remaining) [2024-02-07 19:15:53,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 31 remaining) [2024-02-07 19:15:53,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 31 remaining) [2024-02-07 19:15:53,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 31 remaining) [2024-02-07 19:15:53,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 31 remaining) [2024-02-07 19:15:53,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (15 of 31 remaining) [2024-02-07 19:15:53,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 31 remaining) [2024-02-07 19:15:53,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 31 remaining) [2024-02-07 19:15:53,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 31 remaining) [2024-02-07 19:15:53,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 31 remaining) [2024-02-07 19:15:53,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 31 remaining) [2024-02-07 19:15:53,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 31 remaining) [2024-02-07 19:15:53,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 31 remaining) [2024-02-07 19:15:53,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 31 remaining) [2024-02-07 19:15:53,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 31 remaining) [2024-02-07 19:15:53,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 31 remaining) [2024-02-07 19:15:53,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 31 remaining) [2024-02-07 19:15:53,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 31 remaining) [2024-02-07 19:15:53,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 31 remaining) [2024-02-07 19:15:53,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 31 remaining) [2024-02-07 19:15:53,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 31 remaining) [2024-02-07 19:15:53,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:15:53,054 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 19:15:53,058 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:15:53,058 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:15:53,068 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-02-07 19:15:53,069 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-02-07 19:15:53,074 INFO L503 ceAbstractionStarter]: Automizer considered 15 witness invariants [2024-02-07 19:15:53,075 INFO L504 ceAbstractionStarter]: WitnessConsidered=15 [2024-02-07 19:15:53,075 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:15:53 BasicIcfg [2024-02-07 19:15:53,075 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:15:53,076 INFO L158 Benchmark]: Toolchain (without parser) took 2696.37ms. Allocated memory was 232.8MB in the beginning and 362.8MB in the end (delta: 130.0MB). Free memory was 159.5MB in the beginning and 163.7MB in the end (delta: -4.2MB). Peak memory consumption was 128.1MB. Max. memory is 16.1GB. [2024-02-07 19:15:53,076 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 91.1MB in the end (delta: 82.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:15:53,076 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 232.8MB. Free memory is still 162.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:15:53,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.69ms. Allocated memory is still 232.8MB. Free memory was 159.3MB in the beginning and 143.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-02-07 19:15:53,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.72ms. Allocated memory is still 232.8MB. Free memory was 143.2MB in the beginning and 140.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:15:53,077 INFO L158 Benchmark]: Boogie Preprocessor took 103.19ms. Allocated memory is still 232.8MB. Free memory was 140.4MB in the beginning and 136.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:15:53,078 INFO L158 Benchmark]: RCFGBuilder took 865.07ms. Allocated memory is still 232.8MB. Free memory was 136.9MB in the beginning and 103.3MB in the end (delta: 33.6MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-02-07 19:15:53,078 INFO L158 Benchmark]: TraceAbstraction took 1383.86ms. Allocated memory was 232.8MB in the beginning and 362.8MB in the end (delta: 130.0MB). Free memory was 102.6MB in the beginning and 163.7MB in the end (delta: -61.0MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2024-02-07 19:15:53,080 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 125.8MB. Free memory was 91.2MB in the beginning and 91.1MB in the end (delta: 82.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 232.8MB. Free memory is still 162.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.69ms. Allocated memory is still 232.8MB. Free memory was 159.3MB in the beginning and 143.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.72ms. Allocated memory is still 232.8MB. Free memory was 143.2MB in the beginning and 140.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.19ms. Allocated memory is still 232.8MB. Free memory was 140.4MB in the beginning and 136.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 865.07ms. Allocated memory is still 232.8MB. Free memory was 136.9MB in the beginning and 103.3MB in the end (delta: 33.6MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1383.86ms. Allocated memory was 232.8MB in the beginning and 362.8MB in the end (delta: 130.0MB). Free memory was 102.6MB in the beginning and 163.7MB in the end (delta: -61.0MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 96]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L41] int* A; [L42] int* B; [L43] int res1, res2, N, M, size; [L88] pthread_t t1, t2, t3; [L90] M = __VERIFIER_nondet_int() [L91] N = __VERIFIER_nondet_int() [L92] size = __VERIFIER_nondet_int() [L93] CALL, EXPR create_fresh_int_array(N) [L113] CALL assume_abort_if_not(size >= 0) [L38] COND FALSE !(!cond) [L113] RET assume_abort_if_not(size >= 0) [L114] CALL assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L38] COND FALSE !(!cond) [L114] RET assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L116] int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L117] int i = 0; VAL [A={0:0}, B={0:0}, M=-1, N=0, \old(size)=0, arr={-1:0}, i=0, res1=0, res2=0, size=0, size=0] [L117] COND FALSE !(i < size) [L120] return arr; [L93] RET, EXPR create_fresh_int_array(N) [L93] A = create_fresh_int_array(N) [L94] CALL, EXPR create_fresh_int_array(size) [L113] CALL assume_abort_if_not(size >= 0) [L38] COND FALSE !(!cond) [L113] RET assume_abort_if_not(size >= 0) [L114] CALL assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L38] COND FALSE !(!cond) [L114] RET assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L116] int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L117] int i = 0; VAL [A={-1:0}, B={0:0}, M=-1, N=0, \old(size)=0, arr={-2:0}, i=0, res1=0, res2=0, size=0, size=0] [L117] COND FALSE !(i < size) [L120] return arr; [L94] RET, EXPR create_fresh_int_array(size) [L94] B = create_fresh_int_array(size) [L96] CodeAnnotStmt[Assertion[BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[M]]]] VAL [A={-1:0}, B={-2:0}, M=-1, N=0, res1=0, res2=0, size=0, t1={5:0}, t2={3:0}, t3={6:0}] - 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: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 124]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 125]: 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: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 124]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 76]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 124]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 118]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 118]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 107]: 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: 100]: 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: 99]: 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: 101]: 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, 105 locations, 31 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 0 mSDtfsCounter, 94 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=166occurred in iteration=1, 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, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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! [2024-02-07 19:15:53,113 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