./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-three-array-sum.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-three-array-sum.wvr.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 03:51:08,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:51:08,346 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 03:51:08,350 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:51:08,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:51:08,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:51:08,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:51:08,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:51:08,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:51:08,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:51:08,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:51:08,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:51:08,390 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:51:08,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:51:08,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:51:08,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:51:08,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 03:51:08,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:51:08,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:51:08,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:51:08,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:51:08,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:51:08,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:51:08,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:51:08,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:51:08,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:51:08,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:51:08,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:51:08,398 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:51:08,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:51:08,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:51:08,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:51:08,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:51:08,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:51:08,399 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 03:51:08,400 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:51:08,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 03:51:08,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:51:08,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:51:08,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:51:08,401 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:51:08,403 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:51:08,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:51:08,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:51:08,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:51:08,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:51:08,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:51:08,671 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:51:08,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-08-14 03:51:10,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:51:10,198 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:51:10,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-08-14 03:51:10,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0ee3b0833/ed066456aea7449cb85cd5de303f58fc/FLAG604c38b1f [2024-08-14 03:51:10,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/0ee3b0833/ed066456aea7449cb85cd5de303f58fc [2024-08-14 03:51:10,245 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:51:10,246 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:51:10,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-three-array-sum.wvr.yml/witness.yml [2024-08-14 03:51:10,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:51:10,302 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:51:10,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:51:10,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:51:10,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:51:10,307 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:51:10" (1/2) ... [2024-08-14 03:51:10,307 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786fcab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:51:10, skipping insertion in model container [2024-08-14 03:51:10,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:51:10" (1/2) ... [2024-08-14 03:51:10,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71419865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:51:10, skipping insertion in model container [2024-08-14 03:51:10,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:51:10" (2/2) ... [2024-08-14 03:51:10,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786fcab0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10, skipping insertion in model container [2024-08-14 03:51:10,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:51:10" (2/2) ... [2024-08-14 03:51:10,309 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:51:10,317 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:51:10,319 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:51:10,319 INFO L106 edCorrectnessWitness]: ghost_update [L94-L94] multithreaded = 1; [2024-08-14 03:51:10,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:51:10,529 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-08-14 03:51:10,538 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:51:10,546 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-08-14 03:51:10,596 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-08-14 03:51:10,604 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:51:10,626 INFO L206 MainTranslator]: Completed translation [2024-08-14 03:51:10,627 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10 WrapperNode [2024-08-14 03:51:10,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:51:10,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 03:51:10,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 03:51:10,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 03:51:10,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,674 INFO L138 Inliner]: procedures = 25, calls = 29, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 141 [2024-08-14 03:51:10,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 03:51:10,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 03:51:10,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 03:51:10,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 03:51:10,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 03:51:10,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 03:51:10,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 03:51:10,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 03:51:10,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (1/1) ... [2024-08-14 03:51:10,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:51:10,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:51:10,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 03:51:10,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 03:51:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 03:51:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 03:51:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 03:51:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 03:51:10,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 03:51:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-14 03:51:10,773 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-14 03:51:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 03:51:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-08-14 03:51:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 03:51:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 03:51:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-14 03:51:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 03:51:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 03:51:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-08-14 03:51:10,775 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 03:51:10,877 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 03:51:10,879 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 03:51:11,153 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 03:51:11,154 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 03:51:11,312 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 03:51:11,312 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-08-14 03:51:11,312 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:51:11 BoogieIcfgContainer [2024-08-14 03:51:11,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 03:51:11,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 03:51:11,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 03:51:11,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 03:51:11,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 03:51:10" (1/4) ... [2024-08-14 03:51:11,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f9c05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 03:51:11, skipping insertion in model container [2024-08-14 03:51:11,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:51:10" (2/4) ... [2024-08-14 03:51:11,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f9c05a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 03:51:11, skipping insertion in model container [2024-08-14 03:51:11,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:51:10" (3/4) ... [2024-08-14 03:51:11,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50f9c05a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 03:51:11, skipping insertion in model container [2024-08-14 03:51:11,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:51:11" (4/4) ... [2024-08-14 03:51:11,318 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-08-14 03:51:11,334 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 03:51:11,334 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 03:51:11,334 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 03:51:11,384 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-14 03:51:11,422 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:51:11,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 03:51:11,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:51:11,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 03:51:11,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 03:51:11,469 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 03:51:11,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 03:51:11,486 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;@297018c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:51:11,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 03:51:11,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:51:11,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:51:11,633 INFO L85 PathProgramCache]: Analyzing trace with hash 950753779, now seen corresponding path program 1 times [2024-08-14 03:51:11,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:51:11,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023369018] [2024-08-14 03:51:11,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:11,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:51:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-08-14 03:51:12,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:51:12,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023369018] [2024-08-14 03:51:12,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023369018] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:51:12,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:51:12,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 03:51:12,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099435620] [2024-08-14 03:51:12,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:51:12,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 03:51:12,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:51:12,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 03:51:12,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 03:51:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:12,223 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:51:12,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:51:12,224 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:12,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 03:51:12,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:51:12,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:51:12,330 INFO L85 PathProgramCache]: Analyzing trace with hash 648043505, now seen corresponding path program 1 times [2024-08-14 03:51:12,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:51:12,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127244506] [2024-08-14 03:51:12,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:12,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:51:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-14 03:51:12,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:51:12,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127244506] [2024-08-14 03:51:12,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127244506] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:51:12,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351076143] [2024-08-14 03:51:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:12,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:12,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:51:12,556 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) [2024-08-14 03:51:12,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-14 03:51:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:12,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-14 03:51:12,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:51:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-14 03:51:12,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:51:12,993 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-14 03:51:12,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351076143] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:51:12,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:51:12,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-08-14 03:51:12,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055588002] [2024-08-14 03:51:12,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:51:12,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-14 03:51:12,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:51:13,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-14 03:51:13,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-08-14 03:51:13,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:13,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:51:13,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 13 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) [2024-08-14 03:51:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:13,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:13,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:13,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-14 03:51:13,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-08-14 03:51:13,458 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:51:13,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:51:13,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1457538701, now seen corresponding path program 2 times [2024-08-14 03:51:13,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:51:13,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743719221] [2024-08-14 03:51:13,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:13,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:51:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-14 03:51:13,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:51:13,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743719221] [2024-08-14 03:51:13,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743719221] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:51:13,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242286774] [2024-08-14 03:51:13,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 03:51:13,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:13,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:51:13,610 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) [2024-08-14 03:51:13,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-14 03:51:13,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 03:51:13,704 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:51:13,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-14 03:51:13,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:51:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-14 03:51:13,799 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:51:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-14 03:51:13,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242286774] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:51:13,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:51:13,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-08-14 03:51:13,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202605248] [2024-08-14 03:51:13,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:51:13,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-14 03:51:13,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:51:13,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-14 03:51:13,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-08-14 03:51:13,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:13,873 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:51:13,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 13 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:51:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:13,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:14,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:14,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:14,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:14,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-14 03:51:14,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:14,267 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:51:14,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:51:14,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1623691627, now seen corresponding path program 3 times [2024-08-14 03:51:14,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:51:14,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759678793] [2024-08-14 03:51:14,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:14,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:51:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-14 03:51:14,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:51:14,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759678793] [2024-08-14 03:51:14,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759678793] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:51:14,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490890629] [2024-08-14 03:51:14,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 03:51:14,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:14,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:51:14,500 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) [2024-08-14 03:51:14,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-14 03:51:14,599 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-14 03:51:14,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:51:14,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2024-08-14 03:51:14,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:51:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-08-14 03:51:14,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:51:14,849 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-08-14 03:51:14,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490890629] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:51:14,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:51:14,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-08-14 03:51:14,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91497508] [2024-08-14 03:51:14,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:51:14,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-08-14 03:51:14,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:51:14,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-08-14 03:51:14,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-08-14 03:51:14,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:14,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:51:14,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.75) internal successors, (92), 16 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:51:14,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:14,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:14,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:14,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:15,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-14 03:51:15,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-14 03:51:15,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:15,800 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:51:15,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:51:15,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1762028576, now seen corresponding path program 1 times [2024-08-14 03:51:15,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:51:15,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717589589] [2024-08-14 03:51:15,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:15,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:51:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-14 03:51:16,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:51:16,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717589589] [2024-08-14 03:51:16,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717589589] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:51:16,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689293360] [2024-08-14 03:51:16,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:16,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:16,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:51:16,045 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) [2024-08-14 03:51:16,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-14 03:51:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:16,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-14 03:51:16,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:51:16,338 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 33 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-14 03:51:16,338 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:51:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-14 03:51:16,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689293360] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:51:16,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:51:16,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-08-14 03:51:16,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900487212] [2024-08-14 03:51:16,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:51:16,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-08-14 03:51:16,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:51:16,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-08-14 03:51:16,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2024-08-14 03:51:16,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:16,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:51:16,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.421052631578948) internal successors, (103), 18 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:51:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-14 03:51:16,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:16,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:16,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:16,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:16,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-14 03:51:16,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 03:51:16,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-14 03:51:16,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:16,837 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:51:16,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:51:16,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1088873945, now seen corresponding path program 2 times [2024-08-14 03:51:16,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:51:16,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861650460] [2024-08-14 03:51:16,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:16,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:51:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 69 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-08-14 03:51:17,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:51:17,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861650460] [2024-08-14 03:51:17,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861650460] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:51:17,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543201797] [2024-08-14 03:51:17,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 03:51:17,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:17,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:51:17,093 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) [2024-08-14 03:51:17,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-14 03:51:17,187 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 03:51:17,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:51:17,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-14 03:51:17,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:51:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-08-14 03:51:17,361 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:51:17,480 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-08-14 03:51:17,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543201797] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:51:17,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:51:17,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-08-14 03:51:17,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560752089] [2024-08-14 03:51:17,481 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:51:17,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-08-14 03:51:17,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:51:17,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-08-14 03:51:17,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-08-14 03:51:17,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:17,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:51:17,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.166666666666667) internal successors, (124), 23 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:51:17,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:17,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:17,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:17,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-14 03:51:17,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 03:51:17,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-14 03:51:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 03:51:17,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:51:17,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-08-14 03:51:17,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:17,835 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:51:17,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:51:17,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1512844069, now seen corresponding path program 3 times [2024-08-14 03:51:17,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:51:17,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037787651] [2024-08-14 03:51:17,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:17,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:51:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 48 proven. 40 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-08-14 03:51:18,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:51:18,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037787651] [2024-08-14 03:51:18,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037787651] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:51:18,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410204890] [2024-08-14 03:51:18,236 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 03:51:18,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:18,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:51:18,238 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 03:51:18,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-14 03:51:18,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-14 03:51:18,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:51:18,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-14 03:51:18,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:51:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-08-14 03:51:18,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:51:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-08-14 03:51:18,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410204890] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:51:18,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:51:18,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16 [2024-08-14 03:51:18,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380077199] [2024-08-14 03:51:18,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:51:18,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-08-14 03:51:18,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:51:18,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-08-14 03:51:18,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-08-14 03:51:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:18,617 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:51:18,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.8125) internal successors, (109), 16 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:51:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-14 03:51:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 03:51:18,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:51:18,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-14 03:51:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 03:51:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:51:19,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-14 03:51:19,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-14 03:51:19,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-08-14 03:51:19,463 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:51:19,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:51:19,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1895945472, now seen corresponding path program 4 times [2024-08-14 03:51:19,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:51:19,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841018526] [2024-08-14 03:51:19,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:19,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:51:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 127 proven. 42 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-08-14 03:51:19,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:51:19,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841018526] [2024-08-14 03:51:19,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841018526] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:51:19,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207771285] [2024-08-14 03:51:19,764 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 03:51:19,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:19,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:51:19,768 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 03:51:19,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-14 03:51:19,871 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 03:51:19,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:51:19,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 12 conjunts are in the unsatisfiable core [2024-08-14 03:51:19,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:51:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 86 proven. 68 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-08-14 03:51:20,196 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:51:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 86 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-08-14 03:51:20,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207771285] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:51:20,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:51:20,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 6] total 27 [2024-08-14 03:51:20,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583092580] [2024-08-14 03:51:20,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:51:20,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-08-14 03:51:20,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:51:20,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-08-14 03:51:20,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-08-14 03:51:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:20,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:51:20,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.925925925925926) internal successors, (160), 27 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:51:20,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:20,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:20,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:20,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-08-14 03:51:20,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 03:51:20,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:51:20,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-08-14 03:51:20,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:51:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 03:51:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:51:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-14 03:51:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-14 03:51:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 03:51:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 03:51:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-08-14 03:51:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-08-14 03:51:20,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-14 03:51:21,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:21,165 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 03:51:21,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:51:21,166 INFO L85 PathProgramCache]: Analyzing trace with hash 20552166, now seen corresponding path program 4 times [2024-08-14 03:51:21,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:51:21,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470893670] [2024-08-14 03:51:21,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:51:21,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:51:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:51:27,843 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-08-14 03:51:27,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:51:27,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470893670] [2024-08-14 03:51:27,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470893670] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:51:27,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813961783] [2024-08-14 03:51:27,845 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 03:51:27,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:51:27,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:51:27,848 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 03:51:27,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-08-14 03:51:28,237 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 03:51:28,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:51:28,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 101 conjunts are in the unsatisfiable core [2024-08-14 03:51:28,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:51:29,065 INFO L349 Elim1Store]: treesize reduction 28, result has 52.5 percent of original size [2024-08-14 03:51:29,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 46 [2024-08-14 03:51:29,794 INFO L349 Elim1Store]: treesize reduction 52, result has 37.3 percent of original size [2024-08-14 03:51:29,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 103 treesize of output 102 [2024-08-14 03:51:31,486 INFO L349 Elim1Store]: treesize reduction 76, result has 29.0 percent of original size [2024-08-14 03:51:31,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 278 treesize of output 206 [2024-08-14 03:51:34,181 INFO L349 Elim1Store]: treesize reduction 100, result has 23.7 percent of original size [2024-08-14 03:51:34,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 6 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 57 case distinctions, treesize of input 365 treesize of output 262 [2024-08-14 03:51:37,176 INFO L349 Elim1Store]: treesize reduction 124, result has 20.0 percent of original size [2024-08-14 03:51:37,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 10 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 93 case distinctions, treesize of input 461 treesize of output 331 [2024-08-14 03:53:03,061 WARN L293 SmtUtils]: Spent 1.34m on a formula simplification that was a NOOP. DAG size: 3175 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-08-14 03:53:03,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-08-14 03:53:03,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 115 select indices, 115 select index equivalence classes, 10 disjoint index pairs (out of 6555 index pairs), introduced 115 new quantified variables, introduced 6555 case distinctions, treesize of input 2130 treesize of output 10942 [2024-08-14 03:58:01,741 WARN L293 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 944 DAG size of output: 960 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-08-14 04:05:08,802 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-08-14 04:05:08,803 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-08-14 04:05:08,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-08-14 04:05:08,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-08-14 04:05:09,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 04:05:09,005 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:287) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:519) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:503) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 68 more [2024-08-14 04:05:09,010 INFO L158 Benchmark]: Toolchain (without parser) took 838707.69ms. Allocated memory was 190.8MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 158.6MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-08-14 04:05:09,010 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 04:05:09,010 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 190.8MB. Free memory is still 161.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 04:05:09,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.18ms. Allocated memory is still 190.8MB. Free memory was 158.6MB in the beginning and 143.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-14 04:05:09,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.89ms. Allocated memory is still 190.8MB. Free memory was 143.9MB in the beginning and 141.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 04:05:09,011 INFO L158 Benchmark]: Boogie Preprocessor took 34.26ms. Allocated memory is still 190.8MB. Free memory was 141.8MB in the beginning and 139.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 04:05:09,011 INFO L158 Benchmark]: RCFGBuilder took 602.06ms. Allocated memory is still 190.8MB. Free memory was 139.7MB in the beginning and 85.2MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-08-14 04:05:09,011 INFO L158 Benchmark]: TraceAbstraction took 837695.63ms. Allocated memory was 190.8MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 84.1MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-08-14 04:05:09,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 190.8MB. Free memory is still 161.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.18ms. Allocated memory is still 190.8MB. Free memory was 158.6MB in the beginning and 143.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.89ms. Allocated memory is still 190.8MB. Free memory was 143.9MB in the beginning and 141.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.26ms. Allocated memory is still 190.8MB. Free memory was 141.8MB in the beginning and 139.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.06ms. Allocated memory is still 190.8MB. Free memory was 139.7MB in the beginning and 85.2MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 837695.63ms. Allocated memory was 190.8MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 84.1MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-08-14 04:05:09,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/weaver/popl20-three-array-sum.wvr.c ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-three-array-sum.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 04:05:11,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 04:05:11,218 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-08-14 04:05:11,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 04:05:11,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 04:05:11,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 04:05:11,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 04:05:11,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 04:05:11,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 04:05:11,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 04:05:11,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 04:05:11,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 04:05:11,256 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 04:05:11,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 04:05:11,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 04:05:11,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 04:05:11,257 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 04:05:11,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 04:05:11,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 04:05:11,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 04:05:11,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 04:05:11,260 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-08-14 04:05:11,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 04:05:11,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-08-14 04:05:11,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 04:05:11,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 04:05:11,264 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 04:05:11,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 04:05:11,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 04:05:11,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 04:05:11,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 04:05:11,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 04:05:11,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 04:05:11,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 04:05:11,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 04:05:11,265 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-08-14 04:05:11,265 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 04:05:11,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-08-14 04:05:11,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 04:05:11,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 04:05:11,266 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 04:05:11,266 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 04:05:11,267 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 04:05:11,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-08-14 04:05:11,267 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 04:05:11,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 04:05:11,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 04:05:11,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 04:05:11,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 04:05:11,513 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 04:05:11,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-08-14 04:05:13,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 04:05:13,211 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 04:05:13,213 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-08-14 04:05:13,222 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c8bc136f4/70d1ddb0e6f6428799f9fed55e5606f4/FLAGc9d0c1833 [2024-08-14 04:05:13,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c8bc136f4/70d1ddb0e6f6428799f9fed55e5606f4 [2024-08-14 04:05:13,242 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 04:05:13,242 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 04:05:13,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-three-array-sum.wvr.yml/witness.yml [2024-08-14 04:05:13,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 04:05:13,314 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 04:05:13,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 04:05:13,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 04:05:13,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 04:05:13,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 04:05:13" (1/2) ... [2024-08-14 04:05:13,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f998da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:05:13, skipping insertion in model container [2024-08-14 04:05:13,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 04:05:13" (1/2) ... [2024-08-14 04:05:13,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d4e77f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 04:05:13, skipping insertion in model container [2024-08-14 04:05:13,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 04:05:13" (2/2) ... [2024-08-14 04:05:13,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f998da9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13, skipping insertion in model container [2024-08-14 04:05:13,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 04:05:13" (2/2) ... [2024-08-14 04:05:13,342 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 04:05:13,354 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 04:05:13,357 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 04:05:13,358 INFO L106 edCorrectnessWitness]: ghost_update [L94-L94] multithreaded = 1; [2024-08-14 04:05:13,381 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 04:05:13,575 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-08-14 04:05:13,585 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 04:05:13,596 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-08-14 04:05:13,643 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-08-14 04:05:13,645 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 04:05:13,664 INFO L206 MainTranslator]: Completed translation [2024-08-14 04:05:13,665 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13 WrapperNode [2024-08-14 04:05:13,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 04:05:13,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 04:05:13,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 04:05:13,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 04:05:13,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,706 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 140 [2024-08-14 04:05:13,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 04:05:13,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 04:05:13,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 04:05:13,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 04:05:13,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,720 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,738 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 04:05:13,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 04:05:13,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 04:05:13,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 04:05:13,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (1/1) ... [2024-08-14 04:05:13,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 04:05:13,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 04:05:13,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 04:05:13,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 04:05:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 04:05:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-08-14 04:05:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-08-14 04:05:13,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 04:05:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 04:05:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 04:05:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 04:05:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-08-14 04:05:13,809 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-08-14 04:05:13,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 04:05:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 04:05:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-08-14 04:05:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 04:05:13,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 04:05:13,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-08-14 04:05:13,811 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 04:05:13,924 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 04:05:13,926 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 04:05:14,228 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 04:05:14,229 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 04:05:14,477 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 04:05:14,478 INFO L320 CfgBuilder]: Removed 6 assume(true) statements. [2024-08-14 04:05:14,478 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 04:05:14 BoogieIcfgContainer [2024-08-14 04:05:14,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 04:05:14,480 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 04:05:14,480 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 04:05:14,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 04:05:14,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 04:05:13" (1/4) ... [2024-08-14 04:05:14,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9c4432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 04:05:14, skipping insertion in model container [2024-08-14 04:05:14,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 04:05:13" (2/4) ... [2024-08-14 04:05:14,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9c4432 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 04:05:14, skipping insertion in model container [2024-08-14 04:05:14,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 04:05:13" (3/4) ... [2024-08-14 04:05:14,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9c4432 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 04:05:14, skipping insertion in model container [2024-08-14 04:05:14,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 04:05:14" (4/4) ... [2024-08-14 04:05:14,485 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-08-14 04:05:14,500 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 04:05:14,500 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 04:05:14,500 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 04:05:14,547 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-08-14 04:05:14,581 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 04:05:14,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 04:05:14,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 04:05:14,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 04:05:14,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 04:05:14,659 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 04:05:14,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 04:05:14,674 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;@54b6688e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 04:05:14,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 04:05:14,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 04:05:14,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 04:05:14,899 INFO L85 PathProgramCache]: Analyzing trace with hash -202842383, now seen corresponding path program 1 times [2024-08-14 04:05:14,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 04:05:14,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2052524265] [2024-08-14 04:05:14,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 04:05:14,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 04:05:14,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-14 04:05:14,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-14 04:05:14,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-08-14 04:05:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 04:05:15,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-14 04:05:15,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 04:05:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-08-14 04:05:15,256 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 04:05:15,256 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-14 04:05:15,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2052524265] [2024-08-14 04:05:15,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2052524265] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 04:05:15,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 04:05:15,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 04:05:15,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556095854] [2024-08-14 04:05:15,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 04:05:15,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 04:05:15,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-14 04:05:15,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 04:05:15,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-14 04:05:15,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 04:05:15,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 04:05:15,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 04:05:15,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 04:05:15,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 04:05:15,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-08-14 04:05:15,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 04:05:15,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 04:05:15,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 04:05:15,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2101885327, now seen corresponding path program 1 times [2024-08-14 04:05:15,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 04:05:15,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036094135] [2024-08-14 04:05:15,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 04:05:15,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 04:05:15,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-14 04:05:15,716 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-14 04:05:15,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-08-14 04:05:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 04:05:15,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2024-08-14 04:05:15,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 04:05:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-14 04:05:15,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 04:05:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-14 04:05:16,124 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-14 04:05:16,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036094135] [2024-08-14 04:05:16,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036094135] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 04:05:16,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-14 04:05:16,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-08-14 04:05:16,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729245300] [2024-08-14 04:05:16,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-14 04:05:16,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-14 04:05:16,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-14 04:05:16,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-14 04:05:16,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-08-14 04:05:16,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 04:05:16,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 04:05:16,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 04:05:16,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 04:05:16,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 04:05:16,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 04:05:16,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 04:05:16,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-08-14 04:05:16,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 04:05:16,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 04:05:16,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 04:05:16,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1913796401, now seen corresponding path program 2 times [2024-08-14 04:05:16,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 04:05:16,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357138297] [2024-08-14 04:05:16,851 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 04:05:16,851 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 04:05:16,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-14 04:05:16,854 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-14 04:05:16,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-08-14 04:05:16,993 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 04:05:16,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 04:05:16,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2024-08-14 04:05:17,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 04:05:17,196 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-14 04:05:17,196 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 04:05:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-14 04:05:17,385 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-14 04:05:17,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357138297] [2024-08-14 04:05:17,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357138297] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 04:05:17,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-14 04:05:17,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-08-14 04:05:17,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160546301] [2024-08-14 04:05:17,386 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-14 04:05:17,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-08-14 04:05:17,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-14 04:05:17,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-08-14 04:05:17,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-08-14 04:05:17,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 04:05:17,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 04:05:17,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 04:05:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 04:05:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 04:05:17,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 04:05:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 04:05:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-08-14 04:05:17,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-14 04:05:17,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-08-14 04:05:18,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 04:05:18,091 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 04:05:18,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 04:05:18,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1130308435, now seen corresponding path program 3 times [2024-08-14 04:05:18,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-08-14 04:05:18,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108464381] [2024-08-14 04:05:18,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 04:05:18,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-08-14 04:05:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat [2024-08-14 04:05:18,096 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-08-14 04:05:18,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-08-14 04:05:18,277 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-08-14 04:05:18,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 04:05:18,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 15 conjunts are in the unsatisfiable core [2024-08-14 04:05:18,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 04:05:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-08-14 04:05:18,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 04:05:19,473 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-14 04:05:19,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-08-14 04:05:19,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108464381] [2024-08-14 04:05:19,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108464381] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 04:05:19,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-08-14 04:05:19,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-08-14 04:05:19,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875949086] [2024-08-14 04:05:19,473 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-08-14 04:05:19,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-08-14 04:05:19,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-08-14 04:05:19,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-08-14 04:05:19,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-08-14 04:05:19,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 04:05:19,481 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 04:05:19,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.238095238095238) internal successors, (89), 21 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 04:05:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 04:05:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-08-14 04:05:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-14 04:05:19,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15