./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/protection-local/13-privatized_40-traces-ex-6_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i ./goblint.2024-08-08_07-59-58.files/protection-local/13-privatized_40-traces-ex-6_true.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_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-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 10:32:41,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 10:32:41,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 10:32:41,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 10:32:41,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 10:32:41,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 10:32:41,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 10:32:41,625 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 10:32:41,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 10:32:41,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 10:32:41,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 10:32:41,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 10:32:41,627 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 10:32:41,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 10:32:41,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 10:32:41,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 10:32:41,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 10:32:41,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 10:32:41,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 10:32:41,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 10:32:41,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 10:32:41,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 10:32:41,631 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 10:32:41,632 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 10:32:41,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 10:32:41,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 10:32:41,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 10:32:41,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 10:32:41,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 10:32:41,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 10:32:41,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 10:32:41,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 10:32:41,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 10:32:41,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 10:32:41,635 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 10:32:41,636 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 10:32:41,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 10:32:41,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 10:32:41,637 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 10:32:41,637 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 10:32:41,637 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 10:32:41,638 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 10:32:41,638 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-14 10:32:41,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 10:32:41,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 10:32:41,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 10:32:41,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 10:32:41,925 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 10:32:41,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-08-14 10:32:43,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 10:32:43,682 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 10:32:43,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i [2024-08-14 10:32:43,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/72aa1b6a9/5afbe79671ac4c4cb51018426b9901b1/FLAG9f0347b88 [2024-08-14 10:32:44,019 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/72aa1b6a9/5afbe79671ac4c4cb51018426b9901b1 [2024-08-14 10:32:44,021 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 10:32:44,022 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 10:32:44,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-local/13-privatized_40-traces-ex-6_true.yml/witness.yml [2024-08-14 10:32:44,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 10:32:44,111 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 10:32:44,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 10:32:44,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 10:32:44,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 10:32:44,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:32:44" (1/2) ... [2024-08-14 10:32:44,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ed7bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:32:44, skipping insertion in model container [2024-08-14 10:32:44,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:32:44" (1/2) ... [2024-08-14 10:32:44,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ed2f0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:32:44, skipping insertion in model container [2024-08-14 10:32:44,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 10:32:44" (2/2) ... [2024-08-14 10:32:44,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ed7bf5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44, skipping insertion in model container [2024-08-14 10:32:44,124 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 10:32:44" (2/2) ... [2024-08-14 10:32:44,124 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 10:32:44,152 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 10:32:44,156 INFO L97 edCorrectnessWitness]: Location invariant before [L698-L698] g == 1 || g == 2 [2024-08-14 10:32:44,156 INFO L97 edCorrectnessWitness]: Location invariant before [L697-L697] g == 1 || g == 2 [2024-08-14 10:32:44,156 INFO L97 edCorrectnessWitness]: Location invariant before [L686-L686] g == 1 || g == 2 [2024-08-14 10:32:44,157 INFO L97 edCorrectnessWitness]: Location invariant before [L687-L687] g == 1 || g == 2 [2024-08-14 10:32:44,203 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 10:32:44,389 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i[1088,1101] [2024-08-14 10:32:44,499 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 10:32:44,518 INFO L202 MainTranslator]: Completed pre-run [2024-08-14 10:32:44,538 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_40-traces-ex-6_true.i[1088,1101] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 10:32:44,631 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 10:32:44,671 INFO L206 MainTranslator]: Completed translation [2024-08-14 10:32:44,672 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44 WrapperNode [2024-08-14 10:32:44,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 10:32:44,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 10:32:44,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 10:32:44,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 10:32:44,681 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 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,696 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 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,722 INFO L138 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2024-08-14 10:32:44,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 10:32:44,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 10:32:44,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 10:32:44,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 10:32:44,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 10:32:44,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 10:32:44,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 10:32:44,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 10:32:44,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44" (1/1) ... [2024-08-14 10:32:44,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 10:32:44,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:32:44,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 10:32:44,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 10:32:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-14 10:32:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 10:32:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-14 10:32:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-14 10:32:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 10:32:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-14 10:32:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 10:32:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 10:32:44,852 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 10:32:44,980 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 10:32:44,983 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 10:32:45,145 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 10:32:45,145 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 10:32:45,268 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 10:32:45,269 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 10:32:45,269 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:32:45 BoogieIcfgContainer [2024-08-14 10:32:45,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 10:32:45,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 10:32:45,275 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 10:32:45,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 10:32:45,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 10:32:44" (1/4) ... [2024-08-14 10:32:45,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e13fd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 10:32:45, skipping insertion in model container [2024-08-14 10:32:45,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 10:32:44" (2/4) ... [2024-08-14 10:32:45,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e13fd4e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 10:32:45, skipping insertion in model container [2024-08-14 10:32:45,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 10:32:44" (3/4) ... [2024-08-14 10:32:45,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e13fd4e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 10:32:45, skipping insertion in model container [2024-08-14 10:32:45,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:32:45" (4/4) ... [2024-08-14 10:32:45,282 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_40-traces-ex-6_true.i [2024-08-14 10:32:45,300 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 10:32:45,300 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-08-14 10:32:45,301 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 10:32:45,338 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-14 10:32:45,386 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 10:32:45,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 10:32:45,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:32:45,390 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 10:32:45,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 10:32:45,437 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 10:32:45,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-08-14 10:32:45,458 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=PARTIAL_ORDER_FA, 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;@2c34a8b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 10:32:45,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 10:32:45,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-14 10:32:45,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:32:45,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1727221813, now seen corresponding path program 1 times [2024-08-14 10:32:45,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:32:45,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297868093] [2024-08-14 10:32:45,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:32:45,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:32:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:32:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 10:32:45,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:32:45,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297868093] [2024-08-14 10:32:45,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297868093] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:32:45,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:32:45,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-14 10:32:45,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222399535] [2024-08-14 10:32:45,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:32:45,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 10:32:45,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:32:45,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 10:32:45,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 10:32:45,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:45,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:32:45,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-08-14 10:32:45,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:46,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:46,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 2 remaining) [2024-08-14 10:32:46,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 2 remaining) [2024-08-14 10:32:46,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 10:32:46,024 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-08-14 10:32:46,027 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE (1/2) [2024-08-14 10:32:46,032 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 10:32:46,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 10:32:46,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 10:32:46,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 10:32:46,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-08-14 10:32:46,059 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 10:32:46,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 10:32:46,061 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=PARTIAL_ORDER_FA, 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;@2c34a8b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 10:32:46,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 10:32:46,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-14 10:32:46,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:32:46,105 INFO L85 PathProgramCache]: Analyzing trace with hash 537280710, now seen corresponding path program 1 times [2024-08-14 10:32:46,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:32:46,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611389803] [2024-08-14 10:32:46,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:32:46,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:32:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:32:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 10:32:46,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:32:46,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611389803] [2024-08-14 10:32:46,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611389803] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:32:46,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:32:46,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 10:32:46,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177843669] [2024-08-14 10:32:46,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:32:46,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 10:32:46,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:32:46,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 10:32:46,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 10:32:46,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:46,206 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:32:46,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-08-14 10:32:46,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:46,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:46,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 10:32:46,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-14 10:32:46,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:32:46,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1973094114, now seen corresponding path program 1 times [2024-08-14 10:32:46,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:32:46,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747314008] [2024-08-14 10:32:46,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:32:46,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:32:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:32:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 10:32:46,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:32:46,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747314008] [2024-08-14 10:32:46,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747314008] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:32:46,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:32:46,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 10:32:46,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705277541] [2024-08-14 10:32:46,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:32:46,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 10:32:46,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:32:46,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 10:32:46,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 10:32:46,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:46,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:32:46,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-08-14 10:32:46,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:46,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:46,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:46,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:46,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 10:32:46,709 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-14 10:32:46,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:32:46,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1576709609, now seen corresponding path program 1 times [2024-08-14 10:32:46,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:32:46,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407805568] [2024-08-14 10:32:46,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:32:46,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:32:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:32:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 10:32:46,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:32:46,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407805568] [2024-08-14 10:32:46,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407805568] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:32:46,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:32:46,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 10:32:46,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147424140] [2024-08-14 10:32:46,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:32:46,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 10:32:46,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:32:46,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 10:32:46,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 10:32:46,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:46,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:32:46,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-08-14 10:32:46,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:46,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:46,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:46,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:46,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:46,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 10:32:46,875 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-14 10:32:46,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:32:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1539052820, now seen corresponding path program 2 times [2024-08-14 10:32:46,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:32:46,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244060958] [2024-08-14 10:32:46,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:32:46,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:32:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:32:47,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 10:32:47,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:32:47,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244060958] [2024-08-14 10:32:47,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244060958] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:32:47,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:32:47,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 10:32:47,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177401583] [2024-08-14 10:32:47,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:32:47,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 10:32:47,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:32:47,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 10:32:47,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-14 10:32:47,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:47,084 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:32:47,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-08-14 10:32:47,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:47,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:47,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:47,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:47,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:47,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:47,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-14 10:32:47,187 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-08-14 10:32:47,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 10:32:47,188 INFO L85 PathProgramCache]: Analyzing trace with hash -2022126548, now seen corresponding path program 3 times [2024-08-14 10:32:47,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 10:32:47,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211746402] [2024-08-14 10:32:47,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 10:32:47,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 10:32:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 10:32:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 10:32:47,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 10:32:47,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211746402] [2024-08-14 10:32:47,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211746402] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 10:32:47,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 10:32:47,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 10:32:47,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351514896] [2024-08-14 10:32:47,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 10:32:47,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 10:32:47,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 10:32:47,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 10:32:47,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 10:32:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:47,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 10:32:47,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2024-08-14 10:32:47,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:47,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 10:32:47,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:47,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:47,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 10:32:47,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 10:32:47,443 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-14 10:32:47,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-14 10:32:47,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-08-14 10:32:47,444 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-14 10:32:47,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-14 10:32:47,446 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-08-14 10:32:47,447 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE (2/2) [2024-08-14 10:32:47,447 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 10:32:47,447 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 10:32:47,453 INFO L507 ceAbstractionStarter]: Automizer considered 4 witness invariants [2024-08-14 10:32:47,453 INFO L508 ceAbstractionStarter]: WitnessConsidered=4 [2024-08-14 10:32:47,454 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 10:32:47 BasicIcfg [2024-08-14 10:32:47,454 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 10:32:47,455 INFO L158 Benchmark]: Toolchain (without parser) took 3343.69ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 86.4MB in the beginning and 165.1MB in the end (delta: -78.7MB). Peak memory consumption was 82.6MB. Max. memory is 16.1GB. [2024-08-14 10:32:47,455 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 144.7MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 10:32:47,455 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 144.7MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 10:32:47,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.87ms. Allocated memory is still 144.7MB. Free memory was 86.0MB in the beginning and 62.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-08-14 10:32:47,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.33ms. Allocated memory is still 144.7MB. Free memory was 62.3MB in the beginning and 60.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 10:32:47,456 INFO L158 Benchmark]: Boogie Preprocessor took 28.34ms. Allocated memory is still 144.7MB. Free memory was 60.4MB in the beginning and 59.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 10:32:47,456 INFO L158 Benchmark]: RCFGBuilder took 518.97ms. Allocated memory is still 144.7MB. Free memory was 59.1MB in the beginning and 93.1MB in the end (delta: -33.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-08-14 10:32:47,457 INFO L158 Benchmark]: TraceAbstraction took 2181.27ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 91.7MB in the beginning and 165.1MB in the end (delta: -73.4MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2024-08-14 10:32:47,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 144.7MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 144.7MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.87ms. Allocated memory is still 144.7MB. Free memory was 86.0MB in the beginning and 62.3MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.33ms. Allocated memory is still 144.7MB. Free memory was 62.3MB in the beginning and 60.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.34ms. Allocated memory is still 144.7MB. Free memory was 60.4MB in the beginning and 59.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.97ms. Allocated memory is still 144.7MB. Free memory was 59.1MB in the beginning and 93.1MB in the end (delta: -33.9MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2181.27ms. Allocated memory was 144.7MB in the beginning and 203.4MB in the end (delta: 58.7MB). Free memory was 91.7MB in the beginning and 165.1MB in the end (delta: -73.4MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 332, independent: 308, independent conditional: 51, independent unconditional: 257, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322, independent: 308, independent conditional: 51, independent unconditional: 257, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 322, independent: 308, independent conditional: 51, independent unconditional: 257, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 326, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 18, dependent conditional: 4, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 326, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 326, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 268, independent: 257, independent conditional: 0, independent unconditional: 257, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 268, independent: 237, independent conditional: 0, independent unconditional: 237, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 44, dependent conditional: 8, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 326, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 268, unknown conditional: 1, unknown unconditional: 267] , Statistics on independence cache: Total cache size (in pairs): 268, Positive cache size: 257, Positive conditional cache size: 0, Positive unconditional cache size: 257, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 10 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 37, Number of trivial persistent sets: 27, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 267, independent: 257, independent conditional: 0, independent unconditional: 257, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 332, independent: 308, independent conditional: 51, independent unconditional: 257, dependent: 24, dependent conditional: 14, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 322, independent: 308, independent conditional: 51, independent unconditional: 257, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 322, independent: 308, independent conditional: 51, independent unconditional: 257, dependent: 14, dependent conditional: 4, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 326, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 18, dependent conditional: 4, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 326, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 326, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 268, independent: 257, independent conditional: 0, independent unconditional: 257, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 268, independent: 237, independent conditional: 0, independent unconditional: 237, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 31, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 31, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 141, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 44, dependent conditional: 8, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 326, independent: 51, independent conditional: 0, independent unconditional: 51, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 268, unknown conditional: 1, unknown unconditional: 267] , Statistics on independence cache: Total cache size (in pairs): 268, Positive cache size: 257, Positive conditional cache size: 0, Positive unconditional cache size: 257, Negative cache size: 11, Negative conditional cache size: 1, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 10 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 574, independent: 500, independent conditional: 169, independent unconditional: 331, dependent: 74, dependent conditional: 56, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528, independent: 500, independent conditional: 169, independent unconditional: 331, dependent: 28, dependent conditional: 10, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 528, independent: 500, independent conditional: 169, independent unconditional: 331, dependent: 28, dependent conditional: 10, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 550, independent: 500, independent conditional: 0, independent unconditional: 500, dependent: 50, dependent conditional: 22, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 550, independent: 500, independent conditional: 0, independent unconditional: 500, dependent: 50, dependent conditional: 7, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 550, independent: 500, independent conditional: 0, independent unconditional: 500, dependent: 50, dependent conditional: 7, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 356, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 356, independent: 311, independent conditional: 0, independent unconditional: 311, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 64, dependent conditional: 12, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 550, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 27, dependent conditional: 2, dependent unconditional: 25, unknown: 356, unknown conditional: 5, unknown unconditional: 351] , Statistics on independence cache: Total cache size (in pairs): 356, Positive cache size: 333, Positive conditional cache size: 0, Positive unconditional cache size: 333, Negative cache size: 23, Negative conditional cache size: 5, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 4, Independence queries for same thread: 46 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 88, Number of trivial persistent sets: 88, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 349, independent: 331, independent conditional: 0, independent unconditional: 331, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 574, independent: 500, independent conditional: 169, independent unconditional: 331, dependent: 74, dependent conditional: 56, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528, independent: 500, independent conditional: 169, independent unconditional: 331, dependent: 28, dependent conditional: 10, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 528, independent: 500, independent conditional: 169, independent unconditional: 331, dependent: 28, dependent conditional: 10, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 550, independent: 500, independent conditional: 0, independent unconditional: 500, dependent: 50, dependent conditional: 22, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 550, independent: 500, independent conditional: 0, independent unconditional: 500, dependent: 50, dependent conditional: 7, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 550, independent: 500, independent conditional: 0, independent unconditional: 500, dependent: 50, dependent conditional: 7, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 356, independent: 333, independent conditional: 0, independent unconditional: 333, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 356, independent: 311, independent conditional: 0, independent unconditional: 311, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 64, dependent conditional: 12, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 550, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 27, dependent conditional: 2, dependent unconditional: 25, unknown: 356, unknown conditional: 5, unknown unconditional: 351] , Statistics on independence cache: Total cache size (in pairs): 356, Positive cache size: 333, Positive conditional cache size: 0, Positive unconditional cache size: 333, Negative cache size: 23, Negative conditional cache size: 5, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 4, Independence queries for same thread: 46 - PositiveResult [Line: 686]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 697]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 698]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 47 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 47 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 384 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 10:32:47,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-08-14 10:32:47,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-14 10:32:47,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE