./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-figure3.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-figure3.wvr.c ./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-figure3.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 03:35:42,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:35:42,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 03:35:42,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:35:42,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:35:42,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:35:42,938 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:35:42,938 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:35:42,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:35:42,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:35:42,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:35:42,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:35:42,941 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:35:42,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:35:42,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:35:42,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:35:42,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 03:35:42,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:35:42,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:35:42,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:35:42,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:35:42,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:35:42,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:35:42,950 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:35:42,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:35:42,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:35:42,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:35:42,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:35:42,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:35:42,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:35:42,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:35:42,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:35:42,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:35:42,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:35:42,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 03:35:42,954 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:35:42,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 03:35:42,955 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:35:42,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:35:42,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:35:42,956 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:35:42,957 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:35:42,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:35:43,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:35:43,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:35:43,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:35:43,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:35:43,255 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:35:43,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-08-14 03:35:44,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:35:44,918 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:35:44,920 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-08-14 03:35:44,932 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4ee667f8f/c67224c1cbbb4208a33e10e768e9df0d/FLAGeadd02268 [2024-08-14 03:35:45,307 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4ee667f8f/c67224c1cbbb4208a33e10e768e9df0d [2024-08-14 03:35:45,309 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:35:45,310 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:35:45,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/popl20-figure3.wvr.yml/witness.yml [2024-08-14 03:35:45,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:35:45,391 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:35:45,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:35:45,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:35:45,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:35:45,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:35:45" (1/2) ... [2024-08-14 03:35:45,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c05756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:35:45, skipping insertion in model container [2024-08-14 03:35:45,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:35:45" (1/2) ... [2024-08-14 03:35:45,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b7ca582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:35:45, skipping insertion in model container [2024-08-14 03:35:45,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:35:45" (2/2) ... [2024-08-14 03:35:45,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c05756 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:35:45, skipping insertion in model container [2024-08-14 03:35:45,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:35:45" (2/2) ... [2024-08-14 03:35:45,405 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:35:45,415 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:35:45,416 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:35:45,416 INFO L106 edCorrectnessWitness]: ghost_update [L70-L70] multithreaded = 1; [2024-08-14 03:35:45,437 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:35:45,649 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-figure3.wvr.c[2147,2160] [2024-08-14 03:35:45,654 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:35:45,664 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-08-14 03:35:45,736 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-figure3.wvr.c[2147,2160] [2024-08-14 03:35:45,742 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:35:45,760 INFO L206 MainTranslator]: Completed translation [2024-08-14 03:35:45,761 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:35:45 WrapperNode [2024-08-14 03:35:45,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:35:45,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 03:35:45,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 03:35:45,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 03:35:45,771 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,779 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,797 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-08-14 03:35:45,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 03:35:45,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 03:35:45,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 03:35:45,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 03:35:45,809 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,809 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,811 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,811 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,820 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,825 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,827 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,828 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 03:35:45,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 03:35:45,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 03:35:45,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 03:35:45,838 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 03:35:45" (1/1) ... [2024-08-14 03:35:45,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:35:45,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:35:45,871 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 03:35:45,873 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 03:35:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 03:35:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 03:35:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 03:35:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 03:35:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 03:35:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 03:35:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 03:35:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 03:35:45,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 03:35:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 03:35:45,915 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 03:35:46,007 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 03:35:46,010 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 03:35:46,203 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 03:35:46,205 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 03:35:46,327 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 03:35:46,327 INFO L320 CfgBuilder]: Removed 2 assume(true) statements. [2024-08-14 03:35:46,328 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:35:46 BoogieIcfgContainer [2024-08-14 03:35:46,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 03:35:46,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 03:35:46,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 03:35:46,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 03:35:46,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 03:35:45" (1/4) ... [2024-08-14 03:35:46,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167ee541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 03:35:46, skipping insertion in model container [2024-08-14 03:35:46,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:35:45" (2/4) ... [2024-08-14 03:35:46,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167ee541 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 03:35:46, skipping insertion in model container [2024-08-14 03:35:46,341 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 03:35:45" (3/4) ... [2024-08-14 03:35:46,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167ee541 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 03:35:46, skipping insertion in model container [2024-08-14 03:35:46,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:35:46" (4/4) ... [2024-08-14 03:35:46,343 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2024-08-14 03:35:46,365 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 03:35:46,365 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 03:35:46,365 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 03:35:46,405 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-14 03:35:46,451 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:35:46,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 03:35:46,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:35:46,454 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 03:35:46,455 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 03:35:46,486 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 03:35:46,502 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 03:35:46,510 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;@68cb8f9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:35:46,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-08-14 03:35:46,636 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:35:46,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:35:46,643 INFO L85 PathProgramCache]: Analyzing trace with hash -736988207, now seen corresponding path program 1 times [2024-08-14 03:35:46,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:35:46,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087860945] [2024-08-14 03:35:46,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:35:46,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:35:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:35:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:35:47,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:35:47,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087860945] [2024-08-14 03:35:47,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087860945] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:35:47,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:35:47,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 03:35:47,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588125657] [2024-08-14 03:35:47,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:35:47,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 03:35:47,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:35:47,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 03:35:47,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-08-14 03:35:47,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:35:47,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:35:47,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:35:47,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:35:47,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:35:47,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 03:35:47,323 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:35:47,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:35:47,324 INFO L85 PathProgramCache]: Analyzing trace with hash 712175628, now seen corresponding path program 1 times [2024-08-14 03:35:47,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:35:47,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162484323] [2024-08-14 03:35:47,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:35:47,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:35:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:35:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:35:47,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:35:47,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162484323] [2024-08-14 03:35:47,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162484323] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:35:47,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711042436] [2024-08-14 03:35:47,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:35:47,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:35:47,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:35:47,672 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 03:35:47,674 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 03:35:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:35:47,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2024-08-14 03:35:47,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:35:47,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:35:47,948 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:35:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:35:48,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711042436] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:35:48,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:35:48,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2024-08-14 03:35:48,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517641000] [2024-08-14 03:35:48,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:35:48,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-08-14 03:35:48,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:35:48,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-08-14 03:35:48,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-08-14 03:35:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:35:48,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:35:48,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 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 03:35:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:35:48,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:35:48,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:35:48,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-08-14 03:35:48,723 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 03:35:48,908 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 03:35:48,908 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:35:48,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:35:48,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1210862760, now seen corresponding path program 2 times [2024-08-14 03:35:48,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:35:48,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831078634] [2024-08-14 03:35:48,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:35:48,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:35:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:35:49,149 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-08-14 03:35:49,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:35:49,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831078634] [2024-08-14 03:35:49,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831078634] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:35:49,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278621655] [2024-08-14 03:35:49,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 03:35:49,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:35:49,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:35:49,154 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 03:35:49,159 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 03:35:49,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 03:35:49,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:35:49,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjunts are in the unsatisfiable core [2024-08-14 03:35:49,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:35:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-14 03:35:49,294 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:35:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-14 03:35:49,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278621655] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:35:49,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:35:49,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 6 [2024-08-14 03:35:49,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703216676] [2024-08-14 03:35:49,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:35:49,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 03:35:49,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:35:49,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 03:35:49,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-08-14 03:35:49,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:35:49,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:35:49,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 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 03:35:49,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:35:49,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-08-14 03:35:49,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:35:49,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:35:49,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:35:49,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:35:49,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-14 03:35:49,761 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 03:35:49,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:35:49,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:35:49,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1464321035, now seen corresponding path program 3 times [2024-08-14 03:35:49,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:35:49,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747968151] [2024-08-14 03:35:49,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:35:49,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:35:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:35:50,005 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 43 proven. 52 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-08-14 03:35:50,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:35:50,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747968151] [2024-08-14 03:35:50,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747968151] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:35:50,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39307282] [2024-08-14 03:35:50,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 03:35:50,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:35:50,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:35:50,008 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 03:35:50,009 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 03:35:50,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-08-14 03:35:50,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:35:50,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 30 conjunts are in the unsatisfiable core [2024-08-14 03:35:50,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:35:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:35:50,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:35:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 7 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:35:51,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39307282] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:35:51,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:35:51,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 36 [2024-08-14 03:35:51,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827396767] [2024-08-14 03:35:51,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:35:51,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-08-14 03:35:51,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:35:51,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-08-14 03:35:51,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1058, Unknown=0, NotChecked=0, Total=1260 [2024-08-14 03:35:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:35:51,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:35:51,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.5833333333333335) internal successors, (129), 36 states have internal predecessors, (129), 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 03:35:51,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:35:51,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:35:51,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:35:51,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:36:00,396 WARN L293 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 43 DAG size of output: 22 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:36:09,106 WARN L293 SmtUtils]: Spent 8.55s on a formula simplification. DAG size of input: 43 DAG size of output: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:36:11,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:36:13,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:36:23,701 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification. DAG size of input: 46 DAG size of output: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:36:35,638 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification. DAG size of input: 50 DAG size of output: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:36:37,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:36:39,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:36:50,033 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification. DAG size of input: 46 DAG size of output: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:37:01,292 WARN L293 SmtUtils]: Spent 8.78s on a formula simplification. DAG size of input: 50 DAG size of output: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:37:03,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:38:06,213 WARN L293 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 34 DAG size of output: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:38:27,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:38:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:38:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:38:27,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-08-14 03:38:27,564 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 03:38:27,746 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 03:38:27,747 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:38:27,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:38:27,747 INFO L85 PathProgramCache]: Analyzing trace with hash 741358157, now seen corresponding path program 4 times [2024-08-14 03:38:27,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:38:27,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047710382] [2024-08-14 03:38:27,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:38:27,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:38:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:38:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-08-14 03:38:28,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:38:28,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047710382] [2024-08-14 03:38:28,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047710382] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:38:28,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800947098] [2024-08-14 03:38:28,300 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-08-14 03:38:28,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:38:28,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:38:28,302 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 03:38:28,303 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 03:38:28,374 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-08-14 03:38:28,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:38:28,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 38 conjunts are in the unsatisfiable core [2024-08-14 03:38:28,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:38:28,800 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:38:28,800 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:38:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:38:29,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800947098] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:38:29,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:38:29,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21, 21] total 45 [2024-08-14 03:38:29,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234379975] [2024-08-14 03:38:29,601 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:38:29,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-08-14 03:38:29,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:38:29,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-08-14 03:38:29,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1676, Unknown=0, NotChecked=0, Total=1980 [2024-08-14 03:38:29,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:38:29,604 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:38:29,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 3.088888888888889) internal successors, (139), 45 states have internal predecessors, (139), 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 03:38:29,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:38:29,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:38:29,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:38:29,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-08-14 03:38:29,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:38:55,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:39:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:39:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:39:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:39:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-08-14 03:39:14,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-14 03:39:14,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-08-14 03:39:14,845 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 03:39:14,845 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:39:14,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:39:14,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1586528826, now seen corresponding path program 5 times [2024-08-14 03:39:14,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:39:14,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805411410] [2024-08-14 03:39:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:39:14,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:39:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:39:15,559 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 15 proven. 394 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-08-14 03:39:15,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:39:15,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805411410] [2024-08-14 03:39:15,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805411410] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:39:15,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625792496] [2024-08-14 03:39:15,563 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-08-14 03:39:15,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:39:15,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:39:15,565 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 03:39:15,566 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 03:39:16,566 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-08-14 03:39:16,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:39:16,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 58 conjunts are in the unsatisfiable core [2024-08-14 03:39:16,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:39:17,264 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 15 proven. 562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:39:17,264 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:39:18,558 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 15 proven. 562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:39:18,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625792496] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:39:18,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:39:18,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 31, 31] total 66 [2024-08-14 03:39:18,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310317576] [2024-08-14 03:39:18,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:39:18,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-08-14 03:39:18,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:39:18,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-08-14 03:39:18,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=620, Invalid=3670, Unknown=0, NotChecked=0, Total=4290 [2024-08-14 03:39:18,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:39:18,564 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:39:18,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 3.242424242424242) internal successors, (214), 66 states have internal predecessors, (214), 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 03:39:18,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:39:18,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:39:18,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:39:18,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-08-14 03:39:18,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-14 03:39:18,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:39:23,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:39:23,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:39:23,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:39:23,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-08-14 03:39:23,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-14 03:39:23,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-08-14 03:39:23,671 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 03:39:23,854 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 03:39:23,854 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:39:23,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:39:23,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1119545747, now seen corresponding path program 6 times [2024-08-14 03:39:23,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:39:23,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365345177] [2024-08-14 03:39:23,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:39:23,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:39:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:39:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 924 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2024-08-14 03:39:25,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:39:25,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365345177] [2024-08-14 03:39:25,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365345177] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:39:25,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469605493] [2024-08-14 03:39:25,176 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-08-14 03:39:25,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:39:25,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:39:25,178 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 03:39:25,179 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 03:39:26,176 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2024-08-14 03:39:26,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:39:26,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 95 conjunts are in the unsatisfiable core [2024-08-14 03:39:26,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:39:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 914 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-08-14 03:39:26,361 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:39:26,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 914 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2024-08-14 03:39:26,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469605493] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:39:26,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:39:26,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2024-08-14 03:39:26,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819738563] [2024-08-14 03:39:26,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:39:26,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-08-14 03:39:26,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:39:26,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-08-14 03:39:26,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-08-14 03:39:26,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:39:26,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:39:26,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 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 03:39:26,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:39:26,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:39:26,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:39:26,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-08-14 03:39:26,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-14 03:39:26,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-08-14 03:39:26,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:39:28,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:39:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:39:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:39:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-08-14 03:39:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-14 03:39:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-08-14 03:39:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 03:39:28,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-08-14 03:39:29,049 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 03:39:29,049 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:39:29,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:39:29,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1212685634, now seen corresponding path program 7 times [2024-08-14 03:39:29,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:39:29,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026332769] [2024-08-14 03:39:29,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:39:29,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:39:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:39:31,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 134 proven. 1247 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 03:39:31,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:39:31,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026332769] [2024-08-14 03:39:31,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026332769] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:39:31,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99344148] [2024-08-14 03:39:31,397 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-08-14 03:39:31,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:39:31,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:39:31,400 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 03:39:31,409 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 03:39:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:39:31,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 82 conjunts are in the unsatisfiable core [2024-08-14 03:39:31,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:39:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 154 proven. 1225 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-08-14 03:39:32,196 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:39:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 154 proven. 1225 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-08-14 03:39:36,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99344148] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:39:36,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:39:36,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 43, 43] total 91 [2024-08-14 03:39:36,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674876574] [2024-08-14 03:39:36,203 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:39:36,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-08-14 03:39:36,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:39:36,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-08-14 03:39:36,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1235, Invalid=6955, Unknown=0, NotChecked=0, Total=8190 [2024-08-14 03:39:36,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:39:36,207 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:39:36,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 3.1648351648351647) internal successors, (288), 91 states have internal predecessors, (288), 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 03:39:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:39:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:39:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:39:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-08-14 03:39:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-14 03:39:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-08-14 03:39:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 03:39:36,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:40:07,077 WARN L293 SmtUtils]: Spent 20.73s on a formula simplification. DAG size of input: 83 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:40:32,174 WARN L293 SmtUtils]: Spent 20.96s on a formula simplification. DAG size of input: 87 DAG size of output: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:40:34,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:40:36,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:40:38,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:40:40,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:40:42,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:40:45,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:40:47,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:41:10,029 WARN L293 SmtUtils]: Spent 18.03s on a formula simplification. DAG size of input: 88 DAG size of output: 76 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:41:35,486 WARN L293 SmtUtils]: Spent 18.47s on a formula simplification. DAG size of input: 92 DAG size of output: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:42:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:42:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:42:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:42:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-08-14 03:42:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-08-14 03:42:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-08-14 03:42:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 03:42:22,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-08-14 03:42:22,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-08-14 03:42:22,448 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 03:42:22,449 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:42:22,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:42:22,449 INFO L85 PathProgramCache]: Analyzing trace with hash 563998854, now seen corresponding path program 8 times [2024-08-14 03:42:22,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:42:22,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734966243] [2024-08-14 03:42:22,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:42:22,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:42:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:42:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3352 backedges. 206 proven. 3143 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-08-14 03:42:26,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:42:26,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734966243] [2024-08-14 03:42:26,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734966243] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 03:42:26,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893232341] [2024-08-14 03:42:26,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 03:42:26,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 03:42:26,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:42:26,748 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 03:42:26,749 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 03:42:26,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 03:42:26,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 03:42:26,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 130 conjunts are in the unsatisfiable core [2024-08-14 03:42:26,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 03:42:27,829 INFO L134 CoverageAnalysis]: Checked inductivity of 3352 backedges. 238 proven. 3109 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-08-14 03:42:27,829 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 03:42:37,301 INFO L134 CoverageAnalysis]: Checked inductivity of 3352 backedges. 238 proven. 3109 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-08-14 03:42:37,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893232341] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 03:42:37,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 03:42:37,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 67, 67] total 139 [2024-08-14 03:42:37,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980080754] [2024-08-14 03:42:37,302 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 03:42:37,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2024-08-14 03:42:37,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:42:37,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2024-08-14 03:42:37,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3059, Invalid=16123, Unknown=0, NotChecked=0, Total=19182 [2024-08-14 03:42:37,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:42:37,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:42:37,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 3.1079136690647484) internal successors, (432), 139 states have internal predecessors, (432), 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 03:42:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-14 03:42:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-08-14 03:42:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:42:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-08-14 03:42:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-08-14 03:42:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-08-14 03:42:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 03:42:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-08-14 03:42:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:45:17,692 WARN L293 SmtUtils]: Spent 1.18m on a formula simplification. DAG size of input: 167 DAG size of output: 143 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:45:20,128 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (+ c_thread1Thread1of1ForFork1_~i~0 31) 4294967296))) (and (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 11) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 11) 4294967296) 1)) (< 30 .cse0) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 12) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 12) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 28) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 28) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 20) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 20) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 21) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 21) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 14) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 14) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 24) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 24) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 31) 4294967296) (+ .cse0 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 22) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 22) 4294967296) 1)) (< (mod (+ 23 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296) (+ (mod (+ 23 c_thread1Thread1of1ForFork1_~i~0) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 27) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 27) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 17) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 17) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 29) 4294967296) (+ (mod (+ 29 c_thread1Thread1of1ForFork1_~i~0) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 30) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 30) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 26) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 26) 4294967296) 1)) (< (mod |c_thread2Thread1of1ForFork0_~i~1#1| 4294967296) (mod c_~N~0 4294967296)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 15) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 15) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 9) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 9) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 25) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 25) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 16) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 16) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 10) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 10) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 13) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 13) 4294967296) 1)) (< (mod (+ |c_thread2Thread1of1ForFork0_~i~1#1| 18) 4294967296) (+ (mod (+ c_thread1Thread1of1ForFork1_~i~0 18) 4294967296) 1)) (< (mod (+ 19 |c_thread2Thread1of1ForFork0_~i~1#1|) 4294967296) (+ 1 (mod (+ 19 c_thread1Thread1of1ForFork1_~i~0) 4294967296))))) is different from false [2024-08-14 03:45:22,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:24,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:26,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:28,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:30,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:32,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:34,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:36,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:38,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:40,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:42,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:44,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:46,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:48,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:50,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:52,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:55,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:57,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:45:59,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:46:01,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:46:03,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:47:42,572 WARN L293 SmtUtils]: Spent 47.76s on a formula simplification. DAG size of input: 169 DAG size of output: 145 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:47:46,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:47:48,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:47:50,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:47:52,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:47:53,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:47:55,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:47:57,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:48:00,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:48:03,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:48:09,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:48:12,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:48:13,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:48:16,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:48:17,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:48:19,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:48:20,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:49:54,406 WARN L293 SmtUtils]: Spent 49.86s on a formula simplification. DAG size of input: 173 DAG size of output: 151 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-08-14 03:49:56,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-08-14 03:50:00,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Killed by 15