./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/protection/arithmetic_prog_ok.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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/pthread-deagle/arithmetic_prog_ok.i ./goblint.2024-06-19_11-23-25.files/protection/arithmetic_prog_ok.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-2cc22fc-m [2024-07-22 12:54:41,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 12:54:41,081 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 12:54:41,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 12:54:41,087 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 12:54:41,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 12:54:41,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 12:54:41,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 12:54:41,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 12:54:41,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 12:54:41,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 12:54:41,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 12:54:41,109 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 12:54:41,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 12:54:41,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 12:54:41,110 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 12:54:41,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 12:54:41,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 12:54:41,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 12:54:41,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 12:54:41,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 12:54:41,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 12:54:41,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 12:54:41,112 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 12:54:41,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 12:54:41,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 12:54:41,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 12:54:41,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 12:54:41,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 12:54:41,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 12:54:41,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 12:54:41,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 12:54:41,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 12:54:41,114 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 12:54:41,114 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 12:54:41,115 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 12:54:41,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 12:54:41,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 12:54:41,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 12:54:41,116 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 12:54:41,116 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 12:54:41,124 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 12:54:41,124 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-22 12:54:41,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 12:54:41,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 12:54:41,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 12:54:41,340 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 12:54:41,342 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 12:54:41,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/arithmetic_prog_ok.yml/witness.yml [2024-07-22 12:54:41,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 12:54:41,451 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 12:54:41,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-07-22 12:54:42,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 12:54:42,609 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 12:54:42,610 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-07-22 12:54:42,623 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ce23ef58a/5756831ca0a44fcfb19776c4b90f4172/FLAG55b034425 [2024-07-22 12:54:42,944 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ce23ef58a/5756831ca0a44fcfb19776c4b90f4172 [2024-07-22 12:54:42,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 12:54:42,945 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 12:54:42,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 12:54:42,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 12:54:42,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 12:54:42,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 12:54:41" (1/2) ... [2024-07-22 12:54:42,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9928ac5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:54:42, skipping insertion in model container [2024-07-22 12:54:42,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 12:54:41" (1/2) ... [2024-07-22 12:54:42,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b89aea7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 12:54:42, skipping insertion in model container [2024-07-22 12:54:42,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:54:42" (2/2) ... [2024-07-22 12:54:42,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9928ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:42, skipping insertion in model container [2024-07-22 12:54:42,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:54:42" (2/2) ... [2024-07-22 12:54:42,952 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 12:54:42,986 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 12:54:42,987 INFO L97 edCorrectnessWitness]: Location invariant before [L915-L915] (! multithreaded || (flag == 0 || flag == 1)) && (! multithreaded || (0 <= num && num <= 1)) [2024-07-22 12:54:42,987 INFO L97 edCorrectnessWitness]: Location invariant before [L914-L914] (! multithreaded || (flag == 0 || flag == 1)) && (! multithreaded || (0 <= num && num <= 1)) [2024-07-22 12:54:42,987 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-07-22 12:54:42,987 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 12:54:42,987 INFO L106 edCorrectnessWitness]: ghost_update [L898-L898] m_locked = 0; [2024-07-22 12:54:42,988 INFO L106 edCorrectnessWitness]: ghost_update [L883-L883] m_locked = 0; [2024-07-22 12:54:42,988 INFO L106 edCorrectnessWitness]: ghost_update [L913-L913] multithreaded = 1; [2024-07-22 12:54:42,988 INFO L106 edCorrectnessWitness]: ghost_update [L893-L893] m_locked = 1; [2024-07-22 12:54:42,988 INFO L106 edCorrectnessWitness]: ghost_update [L895-L895] m_locked = 1; [2024-07-22 12:54:42,988 INFO L106 edCorrectnessWitness]: ghost_update [L895-L895] m_locked = 0; [2024-07-22 12:54:42,988 INFO L106 edCorrectnessWitness]: ghost_update [L881-L881] m_locked = 1; [2024-07-22 12:54:42,988 INFO L106 edCorrectnessWitness]: ghost_update [L881-L881] m_locked = 0; [2024-07-22 12:54:42,988 INFO L106 edCorrectnessWitness]: ghost_update [L879-L879] m_locked = 1; [2024-07-22 12:54:43,035 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 12:54:43,377 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2024-07-22 12:54:43,383 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 12:54:43,392 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 12:54:43,476 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2024-07-22 12:54:43,478 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 12:54:43,526 INFO L206 MainTranslator]: Completed translation [2024-07-22 12:54:43,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43 WrapperNode [2024-07-22 12:54:43,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 12:54:43,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 12:54:43,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 12:54:43,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 12:54:43,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,582 INFO L138 Inliner]: procedures = 243, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2024-07-22 12:54:43,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 12:54:43,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 12:54:43,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 12:54:43,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 12:54:43,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 12:54:43,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 12:54:43,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 12:54:43,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 12:54:43,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (1/1) ... [2024-07-22 12:54:43,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 12:54:43,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 12:54:43,672 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) [2024-07-22 12:54:43,690 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 [2024-07-22 12:54:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-07-22 12:54:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 12:54:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-22 12:54:43,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-22 12:54:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-22 12:54:43,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-22 12:54:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 12:54:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 12:54:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 12:54:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 12:54:43,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 12:54:43,710 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 12:54:43,805 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 12:54:43,807 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 12:54:43,970 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 12:54:43,971 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 12:54:44,109 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 12:54:44,110 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-22 12:54:44,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:54:44 BoogieIcfgContainer [2024-07-22 12:54:44,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 12:54:44,113 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 12:54:44,113 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 12:54:44,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 12:54:44,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 12:54:41" (1/4) ... [2024-07-22 12:54:44,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374e8d5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 12:54:44, skipping insertion in model container [2024-07-22 12:54:44,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 12:54:42" (2/4) ... [2024-07-22 12:54:44,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374e8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:54:44, skipping insertion in model container [2024-07-22 12:54:44,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:54:43" (3/4) ... [2024-07-22 12:54:44,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374e8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:54:44, skipping insertion in model container [2024-07-22 12:54:44,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:54:44" (4/4) ... [2024-07-22 12:54:44,128 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2024-07-22 12:54:44,141 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 12:54:44,141 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-07-22 12:54:44,142 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 12:54:44,190 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-22 12:54:44,226 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 12:54:44,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 12:54:44,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 12:54:44,228 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) [2024-07-22 12:54:44,253 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 [2024-07-22 12:54:44,263 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 12:54:44,274 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 12:54:44,280 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;@7d6d5bb0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 12:54:44,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-07-22 12:54:44,423 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 12:54:44,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:54:44,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1823605941, now seen corresponding path program 1 times [2024-07-22 12:54:44,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:54:44,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107573226] [2024-07-22 12:54:44,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:54:44,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:54:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:54:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:54:44,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:54:44,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107573226] [2024-07-22 12:54:44,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107573226] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:54:44,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 12:54:44,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 12:54:44,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903875681] [2024-07-22 12:54:44,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:54:44,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 12:54:44,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:54:44,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 12:54:44,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 12:54:44,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:44,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:54:44,715 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) [2024-07-22 12:54:44,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:44,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:44,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 12:54:44,929 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 12:54:44,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:54:44,930 INFO L85 PathProgramCache]: Analyzing trace with hash 125954063, now seen corresponding path program 1 times [2024-07-22 12:54:44,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:54:44,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811987104] [2024-07-22 12:54:44,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:54:44,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:54:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:54:45,073 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-07-22 12:54:45,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:54:45,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811987104] [2024-07-22 12:54:45,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811987104] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:54:45,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 12:54:45,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 12:54:45,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331131386] [2024-07-22 12:54:45,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:54:45,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 12:54:45,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:54:45,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 12:54:45,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 12:54:45,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:45,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:54:45,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-07-22 12:54:45,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:45,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:45,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:45,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:45,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 12:54:45,210 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 12:54:45,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:54:45,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1747954576, now seen corresponding path program 2 times [2024-07-22 12:54:45,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:54:45,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351914097] [2024-07-22 12:54:45,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:54:45,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:54:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:54:45,388 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-07-22 12:54:45,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:54:45,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351914097] [2024-07-22 12:54:45,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351914097] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:54:45,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 12:54:45,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 12:54:45,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632583927] [2024-07-22 12:54:45,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:54:45,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 12:54:45,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:54:45,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 12:54:45,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 12:54:45,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:45,391 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:54:45,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-07-22 12:54:45,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:45,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:45,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:45,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:45,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:45,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:45,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 12:54:45,461 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 12:54:45,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:54:45,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1591844522, now seen corresponding path program 1 times [2024-07-22 12:54:45,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:54:45,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006701141] [2024-07-22 12:54:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:54:45,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:54:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:54:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-07-22 12:54:45,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:54:45,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006701141] [2024-07-22 12:54:45,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006701141] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 12:54:45,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691105650] [2024-07-22 12:54:45,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:54:45,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 12:54:45,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 12:54:45,629 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 12:54:45,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-22 12:54:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:54:45,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2024-07-22 12:54:45,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 12:54:45,799 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-07-22 12:54:45,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 12:54:45,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691105650] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:54:45,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 12:54:45,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-07-22 12:54:45,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95515562] [2024-07-22 12:54:45,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:54:45,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 12:54:45,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:54:45,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 12:54:45,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-07-22 12:54:45,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:45,801 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:54:45,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-07-22 12:54:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:45,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:45,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:45,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-07-22 12:54:46,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 12:54:46,053 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 12:54:46,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:54:46,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1384959826, now seen corresponding path program 3 times [2024-07-22 12:54:46,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:54:46,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048007544] [2024-07-22 12:54:46,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:54:46,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:54:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:54:46,223 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-07-22 12:54:46,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:54:46,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048007544] [2024-07-22 12:54:46,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048007544] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 12:54:46,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428688135] [2024-07-22 12:54:46,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-07-22 12:54:46,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 12:54:46,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 12:54:46,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 12:54:46,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-07-22 12:54:46,372 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-07-22 12:54:46,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 12:54:46,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjunts are in the unsatisfiable core [2024-07-22 12:54:46,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 12:54:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-07-22 12:54:46,464 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 12:54:46,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428688135] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:54:46,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 12:54:46,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-07-22 12:54:46,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318567965] [2024-07-22 12:54:46,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:54:46,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 12:54:46,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:54:46,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 12:54:46,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-07-22 12:54:46,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:46,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:54:46,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-07-22 12:54:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:46,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:46,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:46,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:46,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:46,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:46,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-07-22 12:54:46,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 12:54:46,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 12:54:46,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:54:46,719 INFO L85 PathProgramCache]: Analyzing trace with hash -649343792, now seen corresponding path program 2 times [2024-07-22 12:54:46,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:54:46,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176594831] [2024-07-22 12:54:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:54:46,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:54:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:54:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-07-22 12:54:46,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:54:46,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176594831] [2024-07-22 12:54:46,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176594831] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 12:54:46,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661787402] [2024-07-22 12:54:46,809 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 12:54:46,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 12:54:46,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 12:54:46,811 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 12:54:46,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-07-22 12:54:46,926 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 12:54:46,926 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 12:54:46,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjunts are in the unsatisfiable core [2024-07-22 12:54:46,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 12:54:47,004 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-22 12:54:47,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 12:54:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-07-22 12:54:47,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661787402] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 12:54:47,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 12:54:47,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-07-22 12:54:47,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753554630] [2024-07-22 12:54:47,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 12:54:47,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-07-22 12:54:47,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:54:47,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-07-22 12:54:47,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-07-22 12:54:47,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:47,076 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:54:47,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 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) [2024-07-22 12:54:47,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:47,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:47,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:47,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 12:54:47,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-07-22 12:54:47,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 12:54:47,439 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 12:54:47,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:54:47,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1306394960, now seen corresponding path program 1 times [2024-07-22 12:54:47,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:54:47,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69878733] [2024-07-22 12:54:47,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:54:47,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:54:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:54:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 77 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:54:47,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:54:47,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69878733] [2024-07-22 12:54:47,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69878733] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 12:54:47,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747222714] [2024-07-22 12:54:47,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:54:47,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 12:54:47,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 12:54:47,563 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 12:54:47,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-07-22 12:54:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:54:47,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 6 conjunts are in the unsatisfiable core [2024-07-22 12:54:47,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 12:54:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:54:47,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 12:54:47,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747222714] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 12:54:47,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 12:54:47,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-07-22 12:54:47,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305635628] [2024-07-22 12:54:47,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 12:54:47,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 12:54:47,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:54:47,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 12:54:47,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-07-22 12:54:47,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:47,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:54:47,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2024-07-22 12:54:47,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 12:54:47,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:47,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 12:54:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 12:54:47,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-07-22 12:54:48,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-07-22 12:54:48,080 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 12:54:48,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 12:54:48,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1572214960, now seen corresponding path program 2 times [2024-07-22 12:54:48,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 12:54:48,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198021346] [2024-07-22 12:54:48,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 12:54:48,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 12:54:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 12:54:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:54:48,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 12:54:48,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198021346] [2024-07-22 12:54:48,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198021346] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 12:54:48,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530214715] [2024-07-22 12:54:48,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-07-22 12:54:48,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 12:54:48,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 12:54:48,472 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 12:54:48,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-07-22 12:54:48,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-07-22 12:54:48,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-07-22 12:54:48,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 23 conjunts are in the unsatisfiable core [2024-07-22 12:54:48,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 12:54:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:54:48,835 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-07-22 12:54:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 12:54:49,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530214715] provided 0 perfect and 2 imperfect interpolant sequences [2024-07-22 12:54:49,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-07-22 12:54:49,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 30 [2024-07-22 12:54:49,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568228352] [2024-07-22 12:54:49,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-07-22 12:54:49,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-07-22 12:54:49,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 12:54:49,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-07-22 12:54:49,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=840, Unknown=0, NotChecked=0, Total=930 [2024-07-22 12:54:49,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:49,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 12:54:49,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.548387096774194) internal successors, (172), 30 states have internal predecessors, (172), 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) [2024-07-22 12:54:49,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:49,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:49,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:49,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:49,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:49,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-07-22 12:54:49,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-07-22 12:54:49,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 12:54:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 12:54:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 12:54:50,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-07-22 12:54:50,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 12:54:50,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-07-22 12:54:50,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-07-22 12:54:50,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-07-22 12:54:50,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-07-22 12:54:50,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-07-22 12:54:50,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-07-22 12:54:50,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-07-22 12:54:50,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 12:54:50,389 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1] [2024-07-22 12:54:50,390 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 12:54:50,391 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 12:54:50,392 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-22 12:54:50,392 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-22 12:54:50,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 12:54:50 BasicIcfg [2024-07-22 12:54:50,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 12:54:50,393 INFO L158 Benchmark]: Toolchain (without parser) took 7447.83ms. Allocated memory was 197.1MB in the beginning and 249.6MB in the end (delta: 52.4MB). Free memory was 164.3MB in the beginning and 197.6MB in the end (delta: -33.3MB). Peak memory consumption was 152.0MB. Max. memory is 16.1GB. [2024-07-22 12:54:50,393 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 134.2MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 12:54:50,393 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 12:54:50,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.81ms. Allocated memory is still 197.1MB. Free memory was 164.3MB in the beginning and 129.7MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-07-22 12:54:50,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.16ms. Allocated memory is still 197.1MB. Free memory was 129.7MB in the beginning and 127.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 12:54:50,394 INFO L158 Benchmark]: Boogie Preprocessor took 60.55ms. Allocated memory is still 197.1MB. Free memory was 127.6MB in the beginning and 125.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 12:54:50,394 INFO L158 Benchmark]: RCFGBuilder took 465.62ms. Allocated memory is still 197.1MB. Free memory was 125.5MB in the beginning and 86.7MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-07-22 12:54:50,394 INFO L158 Benchmark]: TraceAbstraction took 6279.76ms. Allocated memory was 197.1MB in the beginning and 249.6MB in the end (delta: 52.4MB). Free memory was 85.7MB in the beginning and 197.6MB in the end (delta: -111.9MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2024-07-22 12:54:50,395 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 0.17ms. Allocated memory is still 134.2MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.81ms. Allocated memory is still 197.1MB. Free memory was 164.3MB in the beginning and 129.7MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.16ms. Allocated memory is still 197.1MB. Free memory was 129.7MB in the beginning and 127.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.55ms. Allocated memory is still 197.1MB. Free memory was 127.6MB in the beginning and 125.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.62ms. Allocated memory is still 197.1MB. Free memory was 125.5MB in the beginning and 86.7MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6279.76ms. Allocated memory was 197.1MB in the beginning and 249.6MB in the end (delta: 52.4MB). Free memory was 85.7MB in the beginning and 197.6MB in the end (delta: -111.9MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7978, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 1150, dependent conditional: 1119, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7113, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 285, dependent conditional: 254, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7113, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 285, dependent conditional: 254, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 1827, dependent unconditional: 407, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 532, dependent unconditional: 1702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 532, dependent unconditional: 1702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 684, independent: 612, independent conditional: 5, independent unconditional: 607, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 684, independent: 589, independent conditional: 0, independent unconditional: 589, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 228, independent: 108, independent conditional: 10, independent unconditional: 97, dependent: 120, dependent conditional: 59, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9062, independent: 6216, independent conditional: 117, independent unconditional: 6099, dependent: 2162, dependent conditional: 494, dependent unconditional: 1668, unknown: 684, unknown conditional: 43, unknown unconditional: 641] , Statistics on independence cache: Total cache size (in pairs): 684, Positive cache size: 612, Positive conditional cache size: 5, Positive unconditional cache size: 607, Negative cache size: 72, Negative conditional cache size: 38, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1295, Maximal queried relation: 8, Independence queries for same thread: 865 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 393, Number of trivial persistent sets: 365, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 834, independent: 803, independent conditional: 0, independent unconditional: 803, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7978, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 1150, dependent conditional: 1119, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7113, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 285, dependent conditional: 254, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7113, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 285, dependent conditional: 254, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 1827, dependent unconditional: 407, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 532, dependent unconditional: 1702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 532, dependent unconditional: 1702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 684, independent: 612, independent conditional: 5, independent unconditional: 607, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 684, independent: 589, independent conditional: 0, independent unconditional: 589, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 228, independent: 108, independent conditional: 10, independent unconditional: 97, dependent: 120, dependent conditional: 59, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9062, independent: 6216, independent conditional: 117, independent unconditional: 6099, dependent: 2162, dependent conditional: 494, dependent unconditional: 1668, unknown: 684, unknown conditional: 43, unknown unconditional: 641] , Statistics on independence cache: Total cache size (in pairs): 684, Positive cache size: 612, Positive conditional cache size: 5, Positive unconditional cache size: 607, Negative cache size: 72, Negative conditional cache size: 38, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1295, Maximal queried relation: 8, Independence queries for same thread: 865 - PositiveResult [Line: 914]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 915]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 919]: 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 5 procedures, 60 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.9s, 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: 61, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 853 ConstructedInterpolants, 0 QuantifiedInterpolants, 3203 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1876 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 459/904 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-07-22 12:54:50,412 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 [2024-07-22 12:54:50,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE