./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2520d7ca 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/GemCutterReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a508120cc7913f10b79dda7ca65a8b88f829725798d520aee5d1c1d04a1fc13 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2520d7c-m [2024-07-17 09:09:16,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-17 09:09:16,379 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-17 09:09:16,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-17 09:09:16,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-17 09:09:16,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-17 09:09:16,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-17 09:09:16,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-17 09:09:16,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-17 09:09:16,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-17 09:09:16,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-17 09:09:16,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-17 09:09:16,411 INFO L153 SettingsManager]: * Use SBE=true [2024-07-17 09:09:16,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-17 09:09:16,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-17 09:09:16,413 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-17 09:09:16,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-17 09:09:16,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-17 09:09:16,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-17 09:09:16,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-17 09:09:16,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-17 09:09:16,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-17 09:09:16,414 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-17 09:09:16,415 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-17 09:09:16,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-17 09:09:16,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-17 09:09:16,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-17 09:09:16,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-17 09:09:16,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-17 09:09:16,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-17 09:09:16,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 09:09:16,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-17 09:09:16,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-17 09:09:16,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-17 09:09:16,418 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-17 09:09:16,418 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-17 09:09:16,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-17 09:09:16,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-17 09:09:16,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-17 09:09:16,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-17 09:09:16,419 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-17 09:09:16,419 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-17 09:09:16,419 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a508120cc7913f10b79dda7ca65a8b88f829725798d520aee5d1c1d04a1fc13 [2024-07-17 09:09:16,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-17 09:09:16,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-17 09:09:16,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-17 09:09:16,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-17 09:09:16,706 INFO L274 PluginConnector]: CDTParser initialized [2024-07-17 09:09:16,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2024-07-17 09:09:17,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-17 09:09:17,818 INFO L384 CDTParser]: Found 1 translation units. [2024-07-17 09:09:17,819 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c [2024-07-17 09:09:17,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/be273c808/dc45e116c13d4306a1db6bb2b44f2ac0/FLAGdd8549b72 [2024-07-17 09:09:17,847 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/be273c808/dc45e116c13d4306a1db6bb2b44f2ac0 [2024-07-17 09:09:17,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-17 09:09:17,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-07-17 09:09:17,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-17 09:09:17,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-17 09:09:17,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-17 09:09:17,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:09:17" (1/1) ... [2024-07-17 09:09:17,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbd9a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:17, skipping insertion in model container [2024-07-17 09:09:17,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:09:17" (1/1) ... [2024-07-17 09:09:17,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-17 09:09:18,046 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c[3111,3124] [2024-07-17 09:09:18,056 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 09:09:18,065 INFO L202 MainTranslator]: Completed pre-run [2024-07-17 09:09:18,099 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-exp-term-subst.wvr.c[3111,3124] [2024-07-17 09:09:18,100 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-17 09:09:18,117 INFO L206 MainTranslator]: Completed translation [2024-07-17 09:09:18,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18 WrapperNode [2024-07-17 09:09:18,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-17 09:09:18,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-17 09:09:18,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-17 09:09:18,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-17 09:09:18,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,170 INFO L138 Inliner]: procedures = 22, calls = 16, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 169 [2024-07-17 09:09:18,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-17 09:09:18,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-17 09:09:18,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-17 09:09:18,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-17 09:09:18,178 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,199 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-17 09:09:18,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-17 09:09:18,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-17 09:09:18,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-17 09:09:18,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (1/1) ... [2024-07-17 09:09:18,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-17 09:09:18,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 09:09:18,233 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) [2024-07-17 09:09:18,241 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 [2024-07-17 09:09:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-17 09:09:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-17 09:09:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-17 09:09:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-17 09:09:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-17 09:09:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-07-17 09:09:18,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-07-17 09:09:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-17 09:09:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-17 09:09:18,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-17 09:09:18,272 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-17 09:09:18,419 INFO L244 CfgBuilder]: Building ICFG [2024-07-17 09:09:18,421 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-17 09:09:18,614 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-17 09:09:18,614 INFO L293 CfgBuilder]: Performing block encoding [2024-07-17 09:09:18,805 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-17 09:09:18,805 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-17 09:09:18,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:09:18 BoogieIcfgContainer [2024-07-17 09:09:18,806 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-17 09:09:18,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-17 09:09:18,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-17 09:09:18,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-17 09:09:18,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:09:17" (1/3) ... [2024-07-17 09:09:18,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6b0c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:09:18, skipping insertion in model container [2024-07-17 09:09:18,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:09:18" (2/3) ... [2024-07-17 09:09:18,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6b0c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:09:18, skipping insertion in model container [2024-07-17 09:09:18,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:09:18" (3/3) ... [2024-07-17 09:09:18,813 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-subst.wvr.c [2024-07-17 09:09:18,819 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-07-17 09:09:18,826 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-17 09:09:18,826 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-07-17 09:09:18,827 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-17 09:09:18,884 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-07-17 09:09:18,917 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 09:09:18,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-17 09:09:18,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-17 09:09:18,919 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) [2024-07-17 09:09:18,935 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 [2024-07-17 09:09:18,951 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-17 09:09:18,959 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-17 09:09:18,965 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=true, 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;@725fe5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-17 09:09:18,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-17 09:09:19,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-17 09:09:19,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-17 09:09:19,099 INFO L85 PathProgramCache]: Analyzing trace with hash -121440064, now seen corresponding path program 1 times [2024-07-17 09:09:19,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-17 09:09:19,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506501406] [2024-07-17 09:09:19,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-17 09:09:19,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-17 09:09:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-17 09:09:21,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-17 09:09:21,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-17 09:09:21,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506501406] [2024-07-17 09:09:21,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506501406] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-17 09:09:21,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-17 09:09:21,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-17 09:09:21,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882603160] [2024-07-17 09:09:21,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-17 09:09:21,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-17 09:09:21,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-17 09:09:21,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-17 09:09:21,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-17 09:09:21,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:09:21,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-17 09:09:21,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2024-07-17 09:09:21,257 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-17 09:09:21,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-07-17 09:09:21,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-07-17 09:09:21,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-07-17 09:09:21,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-17 09:09:21,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-17 09:09:21,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-17 09:09:21,496 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2024-07-17 09:09:21,499 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-17 09:09:21,499 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-17 09:09:21,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:09:21 BasicIcfg [2024-07-17 09:09:21,503 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-17 09:09:21,504 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-07-17 09:09:21,504 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-07-17 09:09:21,504 INFO L274 PluginConnector]: Witness Printer initialized [2024-07-17 09:09:21,504 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:09:18" (3/4) ... [2024-07-17 09:09:21,506 INFO L137 WitnessPrinter]: Generating witness for correct program [2024-07-17 09:09:21,508 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-07-17 09:09:21,508 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-07-17 09:09:21,509 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-07-17 09:09:21,512 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2024-07-17 09:09:21,512 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-07-17 09:09:21,512 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-07-17 09:09:21,512 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-07-17 09:09:21,571 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-07-17 09:09:21,572 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-07-17 09:09:21,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-07-17 09:09:21,573 INFO L158 Benchmark]: Toolchain (without parser) took 3722.51ms. Allocated memory was 157.3MB in the beginning and 228.6MB in the end (delta: 71.3MB). Free memory was 124.0MB in the beginning and 138.9MB in the end (delta: -14.9MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2024-07-17 09:09:21,573 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 09:09:21,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.58ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 111.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-07-17 09:09:21,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.07ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 108.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 09:09:21,574 INFO L158 Benchmark]: Boogie Preprocessor took 33.00ms. Allocated memory is still 157.3MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-17 09:09:21,574 INFO L158 Benchmark]: RCFGBuilder took 600.85ms. Allocated memory is still 157.3MB. Free memory was 107.2MB in the beginning and 57.7MB in the end (delta: 49.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-07-17 09:09:21,574 INFO L158 Benchmark]: TraceAbstraction took 2696.41ms. Allocated memory was 157.3MB in the beginning and 228.6MB in the end (delta: 71.3MB). Free memory was 57.7MB in the beginning and 144.1MB in the end (delta: -86.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-17 09:09:21,574 INFO L158 Benchmark]: Witness Printer took 68.28ms. Allocated memory is still 228.6MB. Free memory was 144.1MB in the beginning and 138.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-07-17 09:09:21,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.58ms. Allocated memory is still 157.3MB. Free memory was 124.0MB in the beginning and 111.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.07ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 108.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.00ms. Allocated memory is still 157.3MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.85ms. Allocated memory is still 157.3MB. Free memory was 107.2MB in the beginning and 57.7MB in the end (delta: 49.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2696.41ms. Allocated memory was 157.3MB in the beginning and 228.6MB in the end (delta: 71.3MB). Free memory was 57.7MB in the beginning and 144.1MB in the end (delta: -86.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 68.28ms. Allocated memory is still 228.6MB. Free memory was 144.1MB in the beginning and 138.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 140, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 140, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 24, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 26, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 140, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 140, independent: 136, independent conditional: 0, independent unconditional: 136, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, independent: 110, independent conditional: 0, independent unconditional: 110, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 140, independent: 26, independent conditional: 0, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 114, unknown conditional: 0, unknown unconditional: 114] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 110, Positive conditional cache size: 0, Positive unconditional cache size: 110, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0 - PositiveResult [Line: 81]: 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: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 29 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, 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, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 614 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-17 09:09:21,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-17 09:09:21,816 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