./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-1.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/parallel-misc-1.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-misc-1.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:35:30,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:35:30,381 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:35:30,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:35:30,387 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:35:30,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:35:30,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:35:30,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:35:30,407 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:35:30,411 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:35:30,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:35:30,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:35:30,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:35:30,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:35:30,414 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:35:30,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:35:30,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:35:30,415 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:35:30,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:35:30,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:35:30,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:35:30,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:35:30,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:35:30,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:35:30,416 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:35:30,416 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:35:30,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:35:30,417 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:35:30,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:35:30,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:35:30,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:35:30,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:35:30,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:35:30,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:35:30,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:35:30,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:35:30,419 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:35:30,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:35:30,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:35:30,420 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:35:30,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:35:30,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:35:30,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:35:30,420 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:35:30,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:35:30,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:35:30,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:35:30,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:35:30,615 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:35:30,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-02-07 14:35:31,601 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:35:31,799 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:35:31,802 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-02-07 14:35:31,810 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf9f3a1f/8298e13ca3cf4a118abaefc2c3bb7d52/FLAGd0af9db4e [2024-02-07 14:35:32,196 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf9f3a1f/8298e13ca3cf4a118abaefc2c3bb7d52 [2024-02-07 14:35:32,198 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:35:32,198 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:35:32,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/parallel-misc-1.wvr.yml/witness.yml [2024-02-07 14:35:32,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:35:32,273 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:35:32,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:35:32,274 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:35:32,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:35:32,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:35:32" (1/2) ... [2024-02-07 14:35:32,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13bd5c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:32, skipping insertion in model container [2024-02-07 14:35:32,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:35:32" (1/2) ... [2024-02-07 14:35:32,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a85cf06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:35:32, skipping insertion in model container [2024-02-07 14:35:32,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:32" (2/2) ... [2024-02-07 14:35:32,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13bd5c85 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32, skipping insertion in model container [2024-02-07 14:35:32,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:32" (2/2) ... [2024-02-07 14:35:32,282 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:35:32,301 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:35:32,302 INFO L76 edCorrectnessWitness]: Location invariant before [L120-L120] (b <= -1) && (b != 0) [2024-02-07 14:35:32,302 INFO L76 edCorrectnessWitness]: Location invariant before [L116-L116] (long long )i - (long long )size >= 0LL [2024-02-07 14:35:32,302 INFO L76 edCorrectnessWitness]: Location invariant before [L121-L121] (1 <= b) && (b != 0) [2024-02-07 14:35:32,302 INFO L76 edCorrectnessWitness]: Location invariant before [L114-L114] ((-1LL - (long long )i) + (long long )size >= 0LL) && ((((((((((((8 <= i && i <= 2147483646) && (-17LL + (long long )i) + (long long )size >= 0LL) && i != 0) && i != 1) || ((-15LL + (long long )i) + (long long )size >= 0LL && i == 7)) || ((-13LL + (long long )i) + (long long )size >= 0LL && i == 6)) || ((-11LL + (long long )i) + (long long )size >= 0LL && i == 5)) || ((-9LL + (long long )i) + (long long )size >= 0LL && i == 4)) || ((-7LL + (long long )i) + (long long )size >= 0LL && i == 3)) || ((-5LL + (long long )i) + (long long )size >= 0LL && i == 2)) || ((-3LL + (long long )i) + (long long )size >= 0LL && i == 1)) || (((-1LL + (long long )i) + (long long )size >= 0LL && 0 == i) && i == 0)) [2024-02-07 14:35:32,324 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:35:32,543 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/parallel-misc-1.wvr.c[2781,2794] [2024-02-07 14:35:32,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:35:32,581 INFO L203 MainTranslator]: Completed pre-run [2024-02-07 14:35:32,613 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/parallel-misc-1.wvr.c[2781,2794] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:35:32,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:35:32,679 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:35:32,681 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32 WrapperNode [2024-02-07 14:35:32,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:35:32,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:35:32,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:35:32,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:35:32,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,728 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 307 [2024-02-07 14:35:32,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:35:32,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:35:32,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:35:32,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:35:32,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,769 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,795 INFO L175 MemorySlicer]: Split 13 memory accesses to 4 slices as follows [2, 7, 2, 2]. 54 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-07 14:35:32,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:35:32,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:35:32,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:35:32,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:35:32,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (1/1) ... [2024-02-07 14:35:32,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:35:32,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:35:32,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:35:32,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:35:33,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:35:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-02-07 14:35:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-02-07 14:35:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-02-07 14:35:33,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-02-07 14:35:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:35:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:35:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:35:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:35:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:35:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:35:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:35:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:35:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:35:33,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-02-07 14:35:33,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:35:33,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:35:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-02-07 14:35:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-02-07 14:35:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-02-07 14:35:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-02-07 14:35:33,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:35:33,011 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:35:33,122 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:35:33,124 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:35:33,528 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:35:33,528 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:35:33,802 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:35:33,802 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-02-07 14:35:33,803 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:35:33 BoogieIcfgContainer [2024-02-07 14:35:33,803 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:35:33,805 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:35:33,805 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:35:33,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:35:33,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:35:32" (1/4) ... [2024-02-07 14:35:33,809 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aabe3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:35:33, skipping insertion in model container [2024-02-07 14:35:33,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:35:32" (2/4) ... [2024-02-07 14:35:33,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aabe3f7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:35:33, skipping insertion in model container [2024-02-07 14:35:33,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:35:32" (3/4) ... [2024-02-07 14:35:33,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aabe3f7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:35:33, skipping insertion in model container [2024-02-07 14:35:33,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:35:33" (4/4) ... [2024-02-07 14:35:33,812 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2024-02-07 14:35:33,839 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:35:33,839 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-02-07 14:35:33,839 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:35:33,889 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-07 14:35:33,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 63 transitions, 140 flow [2024-02-07 14:35:33,961 INFO L124 PetriNetUnfolderBase]: 5/61 cut-off events. [2024-02-07 14:35:33,961 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-07 14:35:33,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 61 events. 5/61 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 191 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2024-02-07 14:35:33,964 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 63 transitions, 140 flow [2024-02-07 14:35:33,968 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 60 transitions, 132 flow [2024-02-07 14:35:33,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:35:33,987 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;@3457632e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:35:33,987 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2024-02-07 14:35:33,995 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:35:33,995 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2024-02-07 14:35:33,995 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:35:33,995 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:35:33,996 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-07 14:35:33,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 34 more)] === [2024-02-07 14:35:34,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:35:34,001 INFO L85 PathProgramCache]: Analyzing trace with hash 993484, now seen corresponding path program 1 times [2024-02-07 14:35:34,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:35:34,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12508520] [2024-02-07 14:35:34,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:35:34,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:35:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:35:34,297 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 14:35:34,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:35:34,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12508520] [2024-02-07 14:35:34,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12508520] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:35:34,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:35:34,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 14:35:34,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339481638] [2024-02-07 14:35:34,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:35:34,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-02-07 14:35:34,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:35:34,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-02-07 14:35:34,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-02-07 14:35:34,342 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 63 [2024-02-07 14:35:34,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 60 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 14:35:34,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:35:34,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 63 [2024-02-07 14:35:34,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:35:34,586 INFO L124 PetriNetUnfolderBase]: 662/1265 cut-off events. [2024-02-07 14:35:34,587 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-02-07 14:35:34,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2368 conditions, 1265 events. 662/1265 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 7129 event pairs, 496 based on Foata normal form. 0/1095 useless extension candidates. Maximal degree in co-relation 2208. Up to 1056 conditions per place. [2024-02-07 14:35:34,594 INFO L140 encePairwiseOnDemand]: 58/63 looper letters, 39 selfloop transitions, 4 changer transitions 0/63 dead transitions. [2024-02-07 14:35:34,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 63 transitions, 224 flow [2024-02-07 14:35:34,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-02-07 14:35:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-02-07 14:35:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 132 transitions. [2024-02-07 14:35:34,604 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5238095238095238 [2024-02-07 14:35:34,605 INFO L175 Difference]: Start difference. First operand has 62 places, 60 transitions, 132 flow. Second operand 4 states and 132 transitions. [2024-02-07 14:35:34,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 63 transitions, 224 flow [2024-02-07 14:35:34,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 63 transitions, 216 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:35:34,609 INFO L231 Difference]: Finished difference. Result has 63 places, 63 transitions, 151 flow [2024-02-07 14:35:34,610 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=151, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2024-02-07 14:35:34,613 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, 1 predicate places. [2024-02-07 14:35:34,613 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 63 transitions, 151 flow [2024-02-07 14:35:34,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 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 14:35:34,613 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:35:34,613 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-02-07 14:35:34,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:35:34,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 34 more)] === [2024-02-07 14:35:34,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:35:34,614 INFO L85 PathProgramCache]: Analyzing trace with hash 993495, now seen corresponding path program 1 times [2024-02-07 14:35:34,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:35:34,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761634305] [2024-02-07 14:35:34,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:35:34,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:35:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:35:34,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:35:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:35:34,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:35:34,649 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:35:34,651 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 37 remaining) [2024-02-07 14:35:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 37 remaining) [2024-02-07 14:35:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 37 remaining) [2024-02-07 14:35:34,652 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 37 remaining) [2024-02-07 14:35:34,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 37 remaining) [2024-02-07 14:35:34,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 37 remaining) [2024-02-07 14:35:34,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 37 remaining) [2024-02-07 14:35:34,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 37 remaining) [2024-02-07 14:35:34,653 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 37 remaining) [2024-02-07 14:35:34,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 37 remaining) [2024-02-07 14:35:34,654 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 37 remaining) [2024-02-07 14:35:34,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 37 remaining) [2024-02-07 14:35:34,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 37 remaining) [2024-02-07 14:35:34,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 37 remaining) [2024-02-07 14:35:34,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 37 remaining) [2024-02-07 14:35:34,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 37 remaining) [2024-02-07 14:35:34,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 37 remaining) [2024-02-07 14:35:34,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 37 remaining) [2024-02-07 14:35:34,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (18 of 37 remaining) [2024-02-07 14:35:34,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 37 remaining) [2024-02-07 14:35:34,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 37 remaining) [2024-02-07 14:35:34,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 37 remaining) [2024-02-07 14:35:34,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 37 remaining) [2024-02-07 14:35:34,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 37 remaining) [2024-02-07 14:35:34,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 37 remaining) [2024-02-07 14:35:34,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 37 remaining) [2024-02-07 14:35:34,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 37 remaining) [2024-02-07 14:35:34,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 37 remaining) [2024-02-07 14:35:34,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 37 remaining) [2024-02-07 14:35:34,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 37 remaining) [2024-02-07 14:35:34,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 37 remaining) [2024-02-07 14:35:34,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 37 remaining) [2024-02-07 14:35:34,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 37 remaining) [2024-02-07 14:35:34,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 37 remaining) [2024-02-07 14:35:34,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 37 remaining) [2024-02-07 14:35:34,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 37 remaining) [2024-02-07 14:35:34,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 37 remaining) [2024-02-07 14:35:34,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:35:34,667 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:35:34,672 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:35:34,672 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:35:34,682 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2024-02-07 14:35:34,688 INFO L503 ceAbstractionStarter]: Automizer considered 18 witness invariants [2024-02-07 14:35:34,688 INFO L504 ceAbstractionStarter]: WitnessConsidered=18 [2024-02-07 14:35:34,689 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:35:34 BasicIcfg [2024-02-07 14:35:34,689 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:35:34,690 INFO L158 Benchmark]: Toolchain (without parser) took 2417.08ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 94.1MB in the beginning and 82.1MB in the end (delta: 12.0MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-02-07 14:35:34,691 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 130.0MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:35:34,691 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 130.0MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:35:34,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 406.90ms. Allocated memory is still 130.0MB. Free memory was 94.1MB in the beginning and 92.2MB in the end (delta: 1.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-02-07 14:35:34,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.37ms. Allocated memory is still 130.0MB. Free memory was 92.2MB in the beginning and 89.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 14:35:34,697 INFO L158 Benchmark]: Boogie Preprocessor took 103.72ms. Allocated memory is still 130.0MB. Free memory was 89.4MB in the beginning and 85.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:35:34,698 INFO L158 Benchmark]: RCFGBuilder took 966.15ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 85.9MB in the beginning and 128.0MB in the end (delta: -42.1MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2024-02-07 14:35:34,698 INFO L158 Benchmark]: TraceAbstraction took 883.55ms. Allocated memory is still 172.0MB. Free memory was 126.9MB in the beginning and 82.1MB in the end (delta: 44.9MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2024-02-07 14:35:34,700 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 130.0MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 130.0MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 406.90ms. Allocated memory is still 130.0MB. Free memory was 94.1MB in the beginning and 92.2MB in the end (delta: 1.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.37ms. Allocated memory is still 130.0MB. Free memory was 92.2MB in the beginning and 89.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.72ms. Allocated memory is still 130.0MB. Free memory was 89.4MB in the beginning and 85.9MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 966.15ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 85.9MB in the beginning and 128.0MB in the end (delta: -42.1MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * TraceAbstraction took 883.55ms. Allocated memory is still 172.0MB. Free memory was 126.9MB in the beginning and 82.1MB in the end (delta: 44.9MB). Peak memory consumption was 43.8MB. 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 The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 116]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L39] int* A; [L40] int bag1, bag2, cap1, cap2, sum1, sum2, i, j, N; [L80] pthread_t t1, t2; [L83] bag1 = __VERIFIER_nondet_int() [L84] bag2 = __VERIFIER_nondet_int() [L85] cap1 = __VERIFIER_nondet_int() [L86] cap2 = __VERIFIER_nondet_int() [L87] sum1 = __VERIFIER_nondet_int() [L88] sum2 = __VERIFIER_nondet_int() [L89] i = __VERIFIER_nondet_int() [L90] j = __VERIFIER_nondet_int() [L91] N = __VERIFIER_nondet_int() [L92] CALL create_fresh_int_array(N) [L109] CALL assume_abort_if_not(size >= 0) [L36] COND FALSE !(!cond) [L109] RET assume_abort_if_not(size >= 0) [L110] CALL assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L36] COND FALSE !(!cond) [L110] RET assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L112] int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L113] int i = 0; VAL [A={0:0}, N=0, \old(size)=0, arr={-1:0}, bag1=0, bag2=0, cap1=0, cap2=0, i=-1, i=0, j=0, size=0, sum1=0, sum2=0] [L113] COND FALSE !(i < size) [L116] CodeAnnotStmt[Assertion[BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[i]],CastExpression[ACSLType[long long],IdentifierExpression[size]]],IntegerLiteral[0LL]]]] VAL [A={0:0}, N=0, \old(size)=0, arr={-1:0}, bag1=0, bag2=0, cap1=0, cap2=0, i=-1, j=0, size=0, sum1=0, sum2=0] - UnprovableResult [Line: 120]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 120]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 121]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 114]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 103]: 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: 98]: 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: 97]: 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, 103 locations, 37 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: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 1 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=1, InterpolantAutomatonStates: 4, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 14:35:34,738 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