./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-20_10-08-36.files/protection-local/13-privatized_33-traces-v-matters_true.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f 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_33-traces-v-matters_true.i ./goblint.2024-08-20_10-08-36.files/protection-local/13-privatized_33-traces-v-matters_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 --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 01:42:08,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 01:42:08,985 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 01:42:08,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 01:42:08,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 01:42:09,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 01:42:09,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 01:42:09,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 01:42:09,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 01:42:09,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 01:42:09,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 01:42:09,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 01:42:09,017 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 01:42:09,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 01:42:09,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 01:42:09,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 01:42:09,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 01:42:09,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 01:42:09,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 01:42:09,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 01:42:09,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 01:42:09,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 01:42:09,022 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 01:42:09,022 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 01:42:09,022 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 01:42:09,023 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 01:42:09,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 01:42:09,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 01:42:09,023 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 01:42:09,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 01:42:09,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 01:42:09,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 01:42:09,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 01:42:09,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 01:42:09,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 01:42:09,024 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 01:42:09,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 01:42:09,024 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 01:42:09,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 01:42:09,025 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 01:42:09,025 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 01:42:09,027 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 01:42:09,027 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-27 01:42:09,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 01:42:09,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 01:42:09,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 01:42:09,240 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 01:42:09,240 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 01:42:09,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/protection-local/13-privatized_33-traces-v-matters_true.yml/witness.yml [2024-08-27 01:42:09,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 01:42:09,315 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 01:42:09,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i [2024-08-27 01:42:10,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 01:42:10,716 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 01:42:10,717 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_33-traces-v-matters_true.i [2024-08-27 01:42:10,735 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2f82fd962/f28d7fb114d44106b0a4ee5824c4f090/FLAG0429f1e35 [2024-08-27 01:42:10,745 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2f82fd962/f28d7fb114d44106b0a4ee5824c4f090 [2024-08-27 01:42:10,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 01:42:10,747 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 01:42:10,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 01:42:10,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 01:42:10,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 01:42:10,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 01:42:09" (1/2) ... [2024-08-27 01:42:10,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9d89 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:42:10, skipping insertion in model container [2024-08-27 01:42:10,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 01:42:09" (1/2) ... [2024-08-27 01:42:10,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26c9d2a3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 01:42:10, skipping insertion in model container [2024-08-27 01:42:10,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 01:42:10" (2/2) ... [2024-08-27 01:42:10,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:10, skipping insertion in model container [2024-08-27 01:42:10,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 01:42:10" (2/2) ... [2024-08-27 01:42:10,759 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 01:42:10,779 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 01:42:10,780 INFO L1541 ArrayList]: Location invariant before [L690-L690] g == 42 [2024-08-27 01:42:10,780 INFO L1541 ArrayList]: Location invariant before [L700-L700] (g == 0 || g == 2) || g == 42 [2024-08-27 01:42:10,780 INFO L1541 ArrayList]: Location invariant before [L688-L688] (g == 0 || g == 2) || g == 42 [2024-08-27 01:42:10,780 INFO L1541 ArrayList]: Location invariant before [L687-L687] (g == 0 || g == 2) || g == 42 [2024-08-27 01:42:10,780 INFO L1541 ArrayList]: Location invariant before [L699-L699] (g == 0 || g == 2) || g == 42 [2024-08-27 01:42:10,819 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 01:42:11,051 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 01:42:11,064 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 01:42:11,120 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 01:42:11,145 INFO L206 MainTranslator]: Completed translation [2024-08-27 01:42:11,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11 WrapperNode [2024-08-27 01:42:11,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 01:42:11,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 01:42:11,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 01:42:11,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 01:42:11,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,186 INFO L138 Inliner]: procedures = 162, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-08-27 01:42:11,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 01:42:11,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 01:42:11,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 01:42:11,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 01:42:11,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,201 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 01:42:11,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 01:42:11,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 01:42:11,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 01:42:11,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (1/1) ... [2024-08-27 01:42:11,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 01:42:11,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 01:42:11,244 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) [2024-08-27 01:42:11,246 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 [2024-08-27 01:42:11,280 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-27 01:42:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 01:42:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-08-27 01:42:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-08-27 01:42:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 01:42:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-27 01:42:11,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 01:42:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 01:42:11,282 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 01:42:11,374 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 01:42:11,376 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 01:42:11,522 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 01:42:11,523 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 01:42:11,627 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 01:42:11,627 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-27 01:42:11,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:42:11 BoogieIcfgContainer [2024-08-27 01:42:11,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 01:42:11,630 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 01:42:11,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 01:42:11,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 01:42:11,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 01:42:09" (1/4) ... [2024-08-27 01:42:11,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eac7132 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 01:42:11, skipping insertion in model container [2024-08-27 01:42:11,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 01:42:10" (2/4) ... [2024-08-27 01:42:11,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eac7132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 01:42:11, skipping insertion in model container [2024-08-27 01:42:11,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 01:42:11" (3/4) ... [2024-08-27 01:42:11,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eac7132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 01:42:11, skipping insertion in model container [2024-08-27 01:42:11,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 01:42:11" (4/4) ... [2024-08-27 01:42:11,638 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_33-traces-v-matters_true.i [2024-08-27 01:42:11,652 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 01:42:11,653 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-08-27 01:42:11,653 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 01:42:11,682 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-27 01:42:11,715 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 01:42:11,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 01:42:11,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 01:42:11,718 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) [2024-08-27 01:42:11,719 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 [2024-08-27 01:42:11,752 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 01:42:11,764 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-08-27 01:42:11,768 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;@6f84d30d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 01:42:11,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-27 01:42:11,846 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-27 01:42:11,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:42:11,851 INFO L85 PathProgramCache]: Analyzing trace with hash -607818435, now seen corresponding path program 1 times [2024-08-27 01:42:11,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:42:11,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248399249] [2024-08-27 01:42:11,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:42:11,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:42:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:42:12,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 01:42:12,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:42:12,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248399249] [2024-08-27 01:42:12,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248399249] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:42:12,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:42:12,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-27 01:42:12,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012376791] [2024-08-27 01:42:12,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:42:12,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 01:42:12,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:42:12,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 01:42:12,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 01:42:12,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:12,085 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:42:12,086 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) [2024-08-27 01:42:12,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:12,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 01:42:12,138 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-27 01:42:12,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:42:12,139 INFO L85 PathProgramCache]: Analyzing trace with hash -2111832897, now seen corresponding path program 1 times [2024-08-27 01:42:12,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:42:12,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795862510] [2024-08-27 01:42:12,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:42:12,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:42:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:42:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 01:42:12,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:42:12,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795862510] [2024-08-27 01:42:12,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795862510] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:42:12,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:42:12,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 01:42:12,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578846476] [2024-08-27 01:42:12,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:42:12,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 01:42:12,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:42:12,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 01:42:12,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 01:42:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:12,218 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:42:12,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-08-27 01:42:12,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,218 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:12,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-27 01:42:12,323 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-27 01:42:12,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:42:12,324 INFO L85 PathProgramCache]: Analyzing trace with hash -34188970, now seen corresponding path program 1 times [2024-08-27 01:42:12,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:42:12,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791482539] [2024-08-27 01:42:12,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:42:12,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:42:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:42:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 01:42:12,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:42:12,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791482539] [2024-08-27 01:42:12,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791482539] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:42:12,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:42:12,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-27 01:42:12,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743457772] [2024-08-27 01:42:12,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:42:12,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-27 01:42:12,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:42:12,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-27 01:42:12,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-08-27 01:42:12,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:12,522 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:42:12,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-08-27 01:42:12,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:12,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 01:42:12,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-27 01:42:12,699 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-27 01:42:12,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:42:12,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1781608768, now seen corresponding path program 1 times [2024-08-27 01:42:12,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:42:12,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512247427] [2024-08-27 01:42:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:42:12,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:42:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:42:12,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 01:42:12,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:42:12,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512247427] [2024-08-27 01:42:12,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512247427] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:42:12,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:42:12,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 01:42:12,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876796751] [2024-08-27 01:42:12,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:42:12,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 01:42:12,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:42:12,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 01:42:12,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 01:42:12,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:12,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:42:12,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-08-27 01:42:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 01:42:12,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:12,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 01:42:12,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-27 01:42:12,841 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT, t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-08-27 01:42:12,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:42:12,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1796524009, now seen corresponding path program 1 times [2024-08-27 01:42:12,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:42:12,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443433744] [2024-08-27 01:42:12,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:42:12,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:42:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:42:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 01:42:12,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:42:12,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443433744] [2024-08-27 01:42:12,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443433744] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:42:12,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:42:12,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 01:42:12,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652671189] [2024-08-27 01:42:12,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:42:12,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 01:42:12,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:42:12,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 01:42:12,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 01:42:12,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:12,873 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:42:12,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-08-27 01:42:12,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-27 01:42:12,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:12,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-27 01:42:12,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:12,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-08-27 01:42:12,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-08-27 01:42:12,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-08-27 01:42:12,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-27 01:42:12,934 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-08-27 01:42:12,935 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE (1/2) [2024-08-27 01:42:12,938 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 01:42:12,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 01:42:12,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 01:42:12,941 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) [2024-08-27 01:42:12,943 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 [2024-08-27 01:42:12,945 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 01:42:12,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 01:42:12,946 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;@6f84d30d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 01:42:12,946 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-27 01:42:12,973 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-27 01:42:12,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:42:12,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1963984815, now seen corresponding path program 1 times [2024-08-27 01:42:12,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:42:12,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405076265] [2024-08-27 01:42:12,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:42:12,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:42:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:42:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 01:42:13,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:42:13,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405076265] [2024-08-27 01:42:13,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405076265] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:42:13,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:42:13,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 01:42:13,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819460075] [2024-08-27 01:42:13,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:42:13,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 01:42:13,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:42:13,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 01:42:13,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 01:42:13,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:13,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:42:13,014 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) [2024-08-27 01:42:13,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:13,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:13,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-27 01:42:13,059 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-27 01:42:13,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 01:42:13,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1152583217, now seen corresponding path program 1 times [2024-08-27 01:42:13,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 01:42:13,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711138179] [2024-08-27 01:42:13,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 01:42:13,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 01:42:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 01:42:13,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 01:42:13,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 01:42:13,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711138179] [2024-08-27 01:42:13,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711138179] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 01:42:13,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 01:42:13,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 01:42:13,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464180774] [2024-08-27 01:42:13,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 01:42:13,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 01:42:13,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 01:42:13,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 01:42:13,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 01:42:13,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:13,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 01:42:13,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 01:42:13,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:13,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 01:42:13,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 01:42:13,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-08-27 01:42:13,242 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-08-27 01:42:13,243 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-08-27 01:42:13,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-27 01:42:13,244 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-08-27 01:42:13,245 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (2/2) [2024-08-27 01:42:13,246 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-27 01:42:13,246 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-27 01:42:13,248 INFO L507 ceAbstractionStarter]: Automizer considered 5 witness invariants [2024-08-27 01:42:13,248 INFO L508 ceAbstractionStarter]: WitnessConsidered=5 [2024-08-27 01:42:13,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 01:42:13 BasicIcfg [2024-08-27 01:42:13,250 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-27 01:42:13,253 INFO L158 Benchmark]: Toolchain (without parser) took 2506.11ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 93.1MB in the beginning and 170.0MB in the end (delta: -76.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 01:42:13,253 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 01:42:13,253 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 01:42:13,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.28ms. Allocated memory is still 165.7MB. Free memory was 92.9MB in the beginning and 123.8MB in the end (delta: -30.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-08-27 01:42:13,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.69ms. Allocated memory is still 165.7MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-27 01:42:13,254 INFO L158 Benchmark]: Boogie Preprocessor took 25.44ms. Allocated memory is still 165.7MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-27 01:42:13,254 INFO L158 Benchmark]: RCFGBuilder took 413.92ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 89.0MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-08-27 01:42:13,254 INFO L158 Benchmark]: TraceAbstraction took 1621.73ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 88.2MB in the beginning and 170.0MB in the end (delta: -81.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 01:42:13,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 165.7MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.28ms. Allocated memory is still 165.7MB. Free memory was 92.9MB in the beginning and 123.8MB in the end (delta: -30.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.69ms. Allocated memory is still 165.7MB. Free memory was 123.8MB in the beginning and 121.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.44ms. Allocated memory is still 165.7MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.92ms. Allocated memory is still 165.7MB. Free memory was 119.6MB in the beginning and 89.0MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1621.73ms. Allocated memory was 165.7MB in the beginning and 234.9MB in the end (delta: 69.2MB). Free memory was 88.2MB in the beginning and 170.0MB in the end (delta: -81.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 619, independent: 559, independent conditional: 167, independent unconditional: 392, dependent: 60, dependent conditional: 38, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 588, independent: 559, independent conditional: 167, independent unconditional: 392, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 588, independent: 559, independent conditional: 167, independent unconditional: 392, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 605, independent: 559, independent conditional: 3, independent unconditional: 556, dependent: 46, dependent conditional: 14, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 605, independent: 559, independent conditional: 3, independent unconditional: 556, dependent: 46, dependent conditional: 7, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 605, independent: 559, independent conditional: 3, independent unconditional: 556, dependent: 46, dependent conditional: 7, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 424, independent: 397, independent conditional: 2, independent unconditional: 395, dependent: 27, dependent conditional: 5, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 424, independent: 367, independent conditional: 0, independent unconditional: 367, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 30, independent conditional: 2, independent unconditional: 28, dependent: 27, dependent conditional: 5, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 30, independent conditional: 2, independent unconditional: 28, dependent: 27, dependent conditional: 5, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 57, dependent conditional: 12, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 605, independent: 162, independent conditional: 1, independent unconditional: 161, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 424, unknown conditional: 7, unknown unconditional: 417] , Statistics on independence cache: Total cache size (in pairs): 424, Positive cache size: 397, Positive conditional cache size: 2, Positive unconditional cache size: 395, Negative cache size: 27, Negative conditional cache size: 5, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 3, Independence queries for same thread: 31 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 74, Number of trivial persistent sets: 61, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 414, independent: 392, independent conditional: 0, independent unconditional: 392, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 619, independent: 559, independent conditional: 167, independent unconditional: 392, dependent: 60, dependent conditional: 38, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 588, independent: 559, independent conditional: 167, independent unconditional: 392, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 588, independent: 559, independent conditional: 167, independent unconditional: 392, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 605, independent: 559, independent conditional: 3, independent unconditional: 556, dependent: 46, dependent conditional: 14, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 605, independent: 559, independent conditional: 3, independent unconditional: 556, dependent: 46, dependent conditional: 7, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 605, independent: 559, independent conditional: 3, independent unconditional: 556, dependent: 46, dependent conditional: 7, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 424, independent: 397, independent conditional: 2, independent unconditional: 395, dependent: 27, dependent conditional: 5, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 424, independent: 367, independent conditional: 0, independent unconditional: 367, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 30, independent conditional: 2, independent unconditional: 28, dependent: 27, dependent conditional: 5, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 30, independent conditional: 2, independent unconditional: 28, dependent: 27, dependent conditional: 5, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 154, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 57, dependent conditional: 12, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 605, independent: 162, independent conditional: 1, independent unconditional: 161, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 424, unknown conditional: 7, unknown unconditional: 417] , Statistics on independence cache: Total cache size (in pairs): 424, Positive cache size: 397, Positive conditional cache size: 2, Positive unconditional cache size: 395, Negative cache size: 27, Negative conditional cache size: 5, Negative unconditional cache size: 22, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 3, Independence queries for same thread: 31 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 588, independent: 530, independent conditional: 139, independent unconditional: 391, dependent: 58, dependent conditional: 33, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 561, independent: 530, independent conditional: 139, independent unconditional: 391, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 561, independent: 530, independent conditional: 139, independent unconditional: 391, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 567, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 37, dependent conditional: 6, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 567, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 567, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 417, independent: 392, independent conditional: 0, independent unconditional: 392, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 417, independent: 372, independent conditional: 0, independent unconditional: 372, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 567, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 417, unknown conditional: 0, unknown unconditional: 417] , Statistics on independence cache: Total cache size (in pairs): 417, Positive cache size: 392, Positive conditional cache size: 0, Positive unconditional cache size: 392, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 1, Independence queries for same thread: 27 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 136, Number of trivial persistent sets: 136, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 416, independent: 391, independent conditional: 0, independent unconditional: 391, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 588, independent: 530, independent conditional: 139, independent unconditional: 391, dependent: 58, dependent conditional: 33, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 561, independent: 530, independent conditional: 139, independent unconditional: 391, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 561, independent: 530, independent conditional: 139, independent unconditional: 391, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 567, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 37, dependent conditional: 6, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 567, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 567, independent: 530, independent conditional: 0, independent unconditional: 530, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 417, independent: 392, independent conditional: 0, independent unconditional: 392, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 417, independent: 372, independent conditional: 0, independent unconditional: 372, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, independent: 54, independent conditional: 0, independent unconditional: 54, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 567, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 12, dependent conditional: 0, dependent unconditional: 12, unknown: 417, unknown conditional: 0, unknown unconditional: 417] , Statistics on independence cache: Total cache size (in pairs): 417, Positive cache size: 392, Positive conditional cache size: 0, Positive unconditional cache size: 392, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6, Maximal queried relation: 1, Independence queries for same thread: 27 - PositiveResult [Line: 687]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 688]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 690]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 699]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 700]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, 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: 16, 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, 0.4s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 197 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 60 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 41 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2024-08-27 01:42:13,279 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 [2024-08-27 01:42:13,482 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 [2024-08-27 01:42:13,682 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