./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 08:54:25,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 08:54:25,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 08:54:25,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 08:54:25,235 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 08:54:25,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 08:54:25,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 08:54:25,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 08:54:25,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 08:54:25,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 08:54:25,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 08:54:25,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 08:54:25,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 08:54:25,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 08:54:25,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 08:54:25,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 08:54:25,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 08:54:25,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 08:54:25,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 08:54:25,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 08:54:25,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 08:54:25,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 08:54:25,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 08:54:25,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 08:54:25,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 08:54:25,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 08:54:25,253 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 08:54:25,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 08:54:25,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 08:54:25,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 08:54:25,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 08:54:25,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 08:54:25,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 08:54:25,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 08:54:25,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 08:54:25,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 08:54:25,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 08:54:25,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 08:54:25,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 08:54:25,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 08:54:25,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 08:54:25,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/config/svcomp-Reach-32bit-GemCutter_Default.epf [2022-12-13 08:54:25,275 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 08:54:25,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 08:54:25,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 08:54:25,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 08:54:25,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 08:54:25,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 08:54:25,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 08:54:25,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 08:54:25,277 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 08:54:25,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 08:54:25,277 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 08:54:25,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 08:54:25,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 08:54:25,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 08:54:25,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 08:54:25,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 08:54:25,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 08:54:25,278 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 08:54:25,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 08:54:25,278 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 08:54:25,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 08:54:25,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 08:54:25,278 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 08:54:25,278 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 08:54:25,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:54:25,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 08:54:25,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 08:54:25,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 08:54:25,279 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 08:54:25,279 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2022-12-13 08:54:25,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 08:54:25,279 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 08:54:25,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 08:54:25,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 08:54:25,280 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 08:54:25,280 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 08:54:25,280 INFO L138 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 [2022-12-13 08:54:25,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 08:54:25,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 08:54:25,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 08:54:25,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 08:54:25,466 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 08:54:25,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2022-12-13 08:54:28,063 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 08:54:28,210 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 08:54:28,210 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2022-12-13 08:54:28,215 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/data/adeec6700/bfb55648d7e84d9fbb1bf607a02f66ca/FLAG24b25ec37 [2022-12-13 08:54:28,225 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/data/adeec6700/bfb55648d7e84d9fbb1bf607a02f66ca [2022-12-13 08:54:28,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 08:54:28,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 08:54:28,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 08:54:28,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 08:54:28,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 08:54:28,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b655ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28, skipping insertion in model container [2022-12-13 08:54:28,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 08:54:28,252 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 08:54:28,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,370 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,371 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,371 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,372 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,373 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,376 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2022-12-13 08:54:28,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:54:28,390 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 08:54:28,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,400 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,404 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,408 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 08:54:28,408 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 08:54:28,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2022-12-13 08:54:28,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 08:54:28,424 INFO L208 MainTranslator]: Completed translation [2022-12-13 08:54:28,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28 WrapperNode [2022-12-13 08:54:28,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 08:54:28,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 08:54:28,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 08:54:28,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 08:54:28,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,456 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 245 [2022-12-13 08:54:28,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 08:54:28,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 08:54:28,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 08:54:28,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 08:54:28,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,478 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 08:54:28,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 08:54:28,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 08:54:28,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 08:54:28,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (1/1) ... [2022-12-13 08:54:28,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 08:54:28,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:28,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 08:54:28,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 08:54:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 08:54:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 08:54:28,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 08:54:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 08:54:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 08:54:28,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 08:54:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 08:54:28,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 08:54:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 08:54:28,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 08:54:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-13 08:54:28,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-13 08:54:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 08:54:28,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 08:54:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 08:54:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 08:54:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 08:54:28,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 08:54:28,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 08:54:28,537 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 08:54:28,626 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 08:54:28,628 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 08:54:28,937 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 08:54:29,051 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 08:54:29,052 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 08:54:29,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:54:29 BoogieIcfgContainer [2022-12-13 08:54:29,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 08:54:29,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 08:54:29,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 08:54:29,058 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 08:54:29,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:54:28" (1/3) ... [2022-12-13 08:54:29,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3c3787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:54:29, skipping insertion in model container [2022-12-13 08:54:29,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:54:28" (2/3) ... [2022-12-13 08:54:29,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3c3787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:54:29, skipping insertion in model container [2022-12-13 08:54:29,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:54:29" (3/3) ... [2022-12-13 08:54:29,060 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2022-12-13 08:54:29,068 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 08:54:29,075 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 08:54:29,076 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 08:54:29,076 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 08:54:29,135 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-12-13 08:54:29,169 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:54:29,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 08:54:29,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:29,171 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 08:54:29,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 08:54:29,198 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 08:54:29,208 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-12-13 08:54:29,213 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3b8f4d2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 08:54:29,213 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 08:54:29,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:29,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:29,496 INFO L85 PathProgramCache]: Analyzing trace with hash -601099417, now seen corresponding path program 1 times [2022-12-13 08:54:29,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:29,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001127012] [2022-12-13 08:54:29,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:29,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 08:54:29,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:29,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001127012] [2022-12-13 08:54:29,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001127012] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:54:29,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:54:29,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 08:54:29,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721395121] [2022-12-13 08:54:29,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:54:29,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 08:54:29,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:29,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 08:54:29,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 08:54:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:29,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:29,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 82.0) internal successors, (164), 2 states have internal predecessors, (164), 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) [2022-12-13 08:54:29,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:29,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:29,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 08:54:29,794 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:29,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:29,795 INFO L85 PathProgramCache]: Analyzing trace with hash -2074795596, now seen corresponding path program 1 times [2022-12-13 08:54:29,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:29,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304393173] [2022-12-13 08:54:29,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:29,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 08:54:30,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:30,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304393173] [2022-12-13 08:54:30,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304393173] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 08:54:30,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 08:54:30,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 08:54:30,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986309129] [2022-12-13 08:54:30,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 08:54:30,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 08:54:30,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:30,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 08:54:30,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 08:54:30,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:30,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:30,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 08:54:30,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:30,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:30,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:30,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 08:54:30,384 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:30,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:30,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1791994622, now seen corresponding path program 1 times [2022-12-13 08:54:30,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:30,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231136949] [2022-12-13 08:54:30,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:30,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 08:54:30,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:30,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231136949] [2022-12-13 08:54:30,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231136949] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:30,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947718778] [2022-12-13 08:54:30,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:30,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:30,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:30,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:30,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 08:54:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:30,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 08:54:30,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:31,200 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:31,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:31,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:31,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947718778] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:31,445 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:31,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 24 [2022-12-13 08:54:31,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048953878] [2022-12-13 08:54:31,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:31,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-13 08:54:31,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:31,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 08:54:31,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2022-12-13 08:54:31,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:31,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:31,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.625) internal successors, (303), 24 states have internal predecessors, (303), 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) [2022-12-13 08:54:31,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:31,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:31,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:31,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:31,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-13 08:54:31,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:31,991 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:31,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:31,992 INFO L85 PathProgramCache]: Analyzing trace with hash 494107198, now seen corresponding path program 2 times [2022-12-13 08:54:31,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:31,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595245110] [2022-12-13 08:54:31,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:31,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 08:54:32,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:32,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595245110] [2022-12-13 08:54:32,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595245110] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:32,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118051608] [2022-12-13 08:54:32,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 08:54:32,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:32,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:32,460 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:32,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 08:54:32,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 08:54:32,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:54:32,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-13 08:54:32,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:32,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:33,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118051608] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:33,299 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:33,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 37 [2022-12-13 08:54:33,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464680139] [2022-12-13 08:54:33,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:33,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-12-13 08:54:33,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:33,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-12-13 08:54:33,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1155, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 08:54:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:33,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:33,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.945945945945946) internal successors, (368), 37 states have internal predecessors, (368), 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) [2022-12-13 08:54:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:33,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:34,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:34,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:34,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:34,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:34,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 08:54:34,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:34,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:34,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:34,373 INFO L85 PathProgramCache]: Analyzing trace with hash 496000003, now seen corresponding path program 3 times [2022-12-13 08:54:34,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:34,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336661162] [2022-12-13 08:54:34,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:34,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 19 proven. 53 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 08:54:34,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:34,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336661162] [2022-12-13 08:54:34,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336661162] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:34,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768051175] [2022-12-13 08:54:34,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 08:54:34,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:34,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:34,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:34,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 08:54:35,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-13 08:54:35,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:54:35,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-13 08:54:35,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 08:54:35,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-13 08:54:35,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768051175] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:35,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:35,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 8] total 32 [2022-12-13 08:54:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467222161] [2022-12-13 08:54:35,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:35,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-12-13 08:54:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:35,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-12-13 08:54:35,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=845, Unknown=0, NotChecked=0, Total=992 [2022-12-13 08:54:35,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:35,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:35,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.09375) internal successors, (355), 32 states have internal predecessors, (355), 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) [2022-12-13 08:54:35,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:35,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:35,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:35,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:35,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:36,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:36,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 08:54:36,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:36,748 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:36,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:36,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1204060752, now seen corresponding path program 4 times [2022-12-13 08:54:36,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:36,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674337934] [2022-12-13 08:54:36,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:36,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 85 proven. 89 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-13 08:54:37,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:37,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674337934] [2022-12-13 08:54:37,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674337934] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:37,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846140842] [2022-12-13 08:54:37,549 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 08:54:37,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:37,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:37,550 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:37,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 08:54:37,686 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 08:54:37,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:54:37,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-13 08:54:37,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:38,137 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 122 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:38,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 122 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:38,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846140842] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:38,598 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:38,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 58 [2022-12-13 08:54:38,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612753188] [2022-12-13 08:54:38,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:38,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-12-13 08:54:38,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:38,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-12-13 08:54:38,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=545, Invalid=2761, Unknown=0, NotChecked=0, Total=3306 [2022-12-13 08:54:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:38,602 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:38,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 8.586206896551724) internal successors, (498), 58 states have internal predecessors, (498), 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) [2022-12-13 08:54:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:39,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:39,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:54:39,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 08:54:39,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:39,543 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:39,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:39,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1605062256, now seen corresponding path program 5 times [2022-12-13 08:54:39,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:39,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058718441] [2022-12-13 08:54:39,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:39,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 96 proven. 174 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 08:54:40,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:40,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058718441] [2022-12-13 08:54:40,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058718441] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:40,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638951912] [2022-12-13 08:54:40,411 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 08:54:40,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:40,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:40,412 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:40,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 08:54:40,593 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-12-13 08:54:40,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:54:40,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-13 08:54:40,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:41,134 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 116 proven. 154 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 08:54:41,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 116 proven. 154 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 08:54:41,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638951912] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:41,766 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:41,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 28] total 70 [2022-12-13 08:54:41,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132400244] [2022-12-13 08:54:41,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:41,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-12-13 08:54:41,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:41,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-12-13 08:54:41,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=859, Invalid=3971, Unknown=0, NotChecked=0, Total=4830 [2022-12-13 08:54:41,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:41,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:41,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 7.4) internal successors, (518), 70 states have internal predecessors, (518), 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) [2022-12-13 08:54:41,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:41,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:41,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:41,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:41,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:41,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:54:41,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:42,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:54:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:54:42,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 08:54:42,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:42,801 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:42,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:42,802 INFO L85 PathProgramCache]: Analyzing trace with hash 2084647120, now seen corresponding path program 6 times [2022-12-13 08:54:42,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:42,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305842863] [2022-12-13 08:54:42,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:42,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 161 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:43,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:43,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305842863] [2022-12-13 08:54:43,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305842863] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:43,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710322627] [2022-12-13 08:54:43,694 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 08:54:43,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:43,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:43,695 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:43,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 08:54:44,103 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-12-13 08:54:44,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:54:44,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-13 08:54:44,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 204 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:44,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 261 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:45,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710322627] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:45,571 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:45,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 74 [2022-12-13 08:54:45,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156950805] [2022-12-13 08:54:45,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:45,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-12-13 08:54:45,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:45,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-12-13 08:54:45,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=917, Invalid=4485, Unknown=0, NotChecked=0, Total=5402 [2022-12-13 08:54:45,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:45,575 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:45,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 7.837837837837838) internal successors, (580), 74 states have internal predecessors, (580), 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) [2022-12-13 08:54:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:45,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:45,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:45,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:45,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:45,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:54:45,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:54:45,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:54:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:54:46,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:54:46,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 08:54:46,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-13 08:54:46,915 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:46,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:46,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1939056, now seen corresponding path program 7 times [2022-12-13 08:54:46,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:46,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317221769] [2022-12-13 08:54:46,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:46,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 271 proven. 289 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-13 08:54:47,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:47,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317221769] [2022-12-13 08:54:47,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317221769] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:47,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247888498] [2022-12-13 08:54:47,927 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 08:54:47,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:47,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:47,928 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:47,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 08:54:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:48,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 1237 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-13 08:54:48,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 360 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:48,948 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:49,675 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 360 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:49,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247888498] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:49,675 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:49,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 40, 40] total 98 [2022-12-13 08:54:49,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127333404] [2022-12-13 08:54:49,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:49,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2022-12-13 08:54:49,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:49,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2022-12-13 08:54:49,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1854, Invalid=7652, Unknown=0, NotChecked=0, Total=9506 [2022-12-13 08:54:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:49,679 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:49,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 6.8979591836734695) internal successors, (676), 98 states have internal predecessors, (676), 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) [2022-12-13 08:54:49,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:49,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:49,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:49,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:49,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:49,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:54:49,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:54:49,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:54:49,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:54:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:54:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:54:51,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:54:51,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-13 08:54:51,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:51,564 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:51,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:51,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1806060688, now seen corresponding path program 8 times [2022-12-13 08:54:51,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:51,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371532255] [2022-12-13 08:54:51,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:51,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:54:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 781 proven. 548 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:53,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:54:53,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371532255] [2022-12-13 08:54:53,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371532255] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:54:53,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168513636] [2022-12-13 08:54:53,218 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 08:54:53,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:54:53,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:54:53,218 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:54:53,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 08:54:53,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 08:54:53,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:54:53,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 1341 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-13 08:54:53,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:54:54,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 872 proven. 457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:54,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:54:56,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 985 proven. 344 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:54:56,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168513636] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:54:56,299 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:54:56,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 132 [2022-12-13 08:54:56,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748170836] [2022-12-13 08:54:56,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:54:56,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2022-12-13 08:54:56,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:54:56,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2022-12-13 08:54:56,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2969, Invalid=14323, Unknown=0, NotChecked=0, Total=17292 [2022-12-13 08:54:56,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:56,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:54:56,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 6.431818181818182) internal successors, (849), 132 states have internal predecessors, (849), 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) [2022-12-13 08:54:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:54:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:54:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:54:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:54:56,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:54:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:54:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:54:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:54:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:54:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:54:58,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:54:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:54:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:54:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:54:58,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 08:54:59,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 08:54:59,036 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:54:59,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:54:59,037 INFO L85 PathProgramCache]: Analyzing trace with hash 733805544, now seen corresponding path program 9 times [2022-12-13 08:54:59,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:54:59,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896452334] [2022-12-13 08:54:59,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:54:59,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:54:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:55:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 2457 backedges. 1123 proven. 1025 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2022-12-13 08:55:02,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:55:02,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896452334] [2022-12-13 08:55:02,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896452334] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:55:02,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400975701] [2022-12-13 08:55:02,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 08:55:02,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:55:02,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:55:02,158 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:55:02,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 08:55:03,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2022-12-13 08:55:03,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:55:03,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 63 conjunts are in the unsatisfiable core [2022-12-13 08:55:03,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:55:05,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2457 backedges. 32 proven. 1456 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2022-12-13 08:55:05,267 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:55:06,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2457 backedges. 1397 proven. 91 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2022-12-13 08:55:06,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400975701] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:55:06,034 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:55:06,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 53, 21] total 127 [2022-12-13 08:55:06,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598912402] [2022-12-13 08:55:06,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:55:06,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2022-12-13 08:55:06,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:55:06,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2022-12-13 08:55:06,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1752, Invalid=14250, Unknown=0, NotChecked=0, Total=16002 [2022-12-13 08:55:06,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:06,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:55:06,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 6.7952755905511815) internal successors, (863), 127 states have internal predecessors, (863), 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) [2022-12-13 08:55:06,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:55:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:55:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:55:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:55:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:55:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:55:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:55:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:55:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:55:06,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:55:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:55:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:55:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:55:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:55:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:55:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:55:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:55:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:55:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:55:14,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 08:55:14,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 08:55:14,860 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:55:14,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:55:14,861 INFO L85 PathProgramCache]: Analyzing trace with hash -755112680, now seen corresponding path program 10 times [2022-12-13 08:55:14,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:55:14,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318506291] [2022-12-13 08:55:14,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:55:14,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:55:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:55:18,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3129 backedges. 1438 proven. 1145 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-12-13 08:55:18,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:55:18,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318506291] [2022-12-13 08:55:18,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318506291] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:55:18,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086269622] [2022-12-13 08:55:18,442 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 08:55:18,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:55:18,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:55:18,442 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:55:18,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 08:55:18,651 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 08:55:18,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:55:18,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 65 conjunts are in the unsatisfiable core [2022-12-13 08:55:18,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:55:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3129 backedges. 2040 proven. 1089 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:55:20,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:55:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3129 backedges. 2040 proven. 1089 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:55:23,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086269622] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:55:23,345 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:55:23,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 62, 62] total 177 [2022-12-13 08:55:23,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112239001] [2022-12-13 08:55:23,345 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:55:23,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 177 states [2022-12-13 08:55:23,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:55:23,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2022-12-13 08:55:23,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4360, Invalid=26792, Unknown=0, NotChecked=0, Total=31152 [2022-12-13 08:55:23,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:23,350 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:55:23,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 177 states, 177 states have (on average 6.68361581920904) internal successors, (1183), 177 states have internal predecessors, (1183), 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) [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:55:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:55:26,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:55:26,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:55:26,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 08:55:26,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 08:55:26,614 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:55:26,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:55:26,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1182200866, now seen corresponding path program 11 times [2022-12-13 08:55:26,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:55:26,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190374502] [2022-12-13 08:55:26,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:55:26,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:55:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:55:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3531 backedges. 1599 proven. 1561 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-12-13 08:55:30,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:55:30,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190374502] [2022-12-13 08:55:30,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190374502] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:55:30,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728203712] [2022-12-13 08:55:30,873 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 08:55:30,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:55:30,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:55:30,874 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:55:30,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 08:55:31,848 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2022-12-13 08:55:31,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:55:31,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 2385 conjuncts, 72 conjunts are in the unsatisfiable core [2022-12-13 08:55:31,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:55:34,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3531 backedges. 1669 proven. 1491 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-12-13 08:55:34,099 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:55:36,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3531 backedges. 1669 proven. 1491 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-12-13 08:55:36,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728203712] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:55:36,148 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:55:36,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 69, 69] total 179 [2022-12-13 08:55:36,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816463965] [2022-12-13 08:55:36,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:55:36,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2022-12-13 08:55:36,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:55:36,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2022-12-13 08:55:36,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4973, Invalid=26889, Unknown=0, NotChecked=0, Total=31862 [2022-12-13 08:55:36,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:36,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:55:36,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 179 states have (on average 5.212290502793296) internal successors, (933), 179 states have internal predecessors, (933), 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) [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:55:36,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:55:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:55:38,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:55:38,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:55:38,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:55:38,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 08:55:39,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:55:39,074 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:55:39,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:55:39,075 INFO L85 PathProgramCache]: Analyzing trace with hash 824485528, now seen corresponding path program 12 times [2022-12-13 08:55:39,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:55:39,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457870823] [2022-12-13 08:55:39,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:55:39,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:55:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:55:43,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3679 backedges. 1628 proven. 1709 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2022-12-13 08:55:43,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:55:43,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457870823] [2022-12-13 08:55:43,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457870823] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:55:43,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371791337] [2022-12-13 08:55:43,314 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 08:55:43,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:55:43,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:55:43,314 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:55:43,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-13 08:55:46,464 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2022-12-13 08:55:46,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:55:46,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 2398 conjuncts, 72 conjunts are in the unsatisfiable core [2022-12-13 08:55:46,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:55:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3679 backedges. 1491 proven. 2188 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:55:49,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:55:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3679 backedges. 1639 proven. 2040 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:55:53,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371791337] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:55:53,900 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:55:53,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 69, 69] total 205 [2022-12-13 08:55:53,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126987926] [2022-12-13 08:55:53,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:55:53,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2022-12-13 08:55:53,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:55:53,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2022-12-13 08:55:53,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4220, Invalid=37600, Unknown=0, NotChecked=0, Total=41820 [2022-12-13 08:55:53,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:53,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:55:53,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 6.5268292682926825) internal successors, (1338), 205 states have internal predecessors, (1338), 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) [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:55:53,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:01,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:56:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:56:01,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-13 08:56:01,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 08:56:01,339 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:56:01,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:01,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1314590547, now seen corresponding path program 13 times [2022-12-13 08:56:01,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:01,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817629726] [2022-12-13 08:56:01,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:01,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 4729 backedges. 2192 proven. 1871 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2022-12-13 08:56:06,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:06,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817629726] [2022-12-13 08:56:06,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817629726] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:56:06,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183104554] [2022-12-13 08:56:06,296 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 08:56:06,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:56:06,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:06,297 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:56:06,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-12-13 08:56:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:06,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 2752 conjuncts, 79 conjunts are in the unsatisfiable core [2022-12-13 08:56:06,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:56:09,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4729 backedges. 2935 proven. 1794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:09,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:56:13,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4729 backedges. 2935 proven. 1794 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:56:13,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183104554] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:56:13,048 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:56:13,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 76, 76] total 220 [2022-12-13 08:56:13,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493615780] [2022-12-13 08:56:13,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:56:13,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 220 states [2022-12-13 08:56:13,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:13,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2022-12-13 08:56:13,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6467, Invalid=41713, Unknown=0, NotChecked=0, Total=48180 [2022-12-13 08:56:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:13,054 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:13,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 220 states, 220 states have (on average 6.4) internal successors, (1408), 220 states have internal predecessors, (1408), 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) [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:56:13,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:56:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:56:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:56:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:56:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:56:16,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-12-13 08:56:17,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 08:56:17,073 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:56:17,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:17,075 INFO L85 PathProgramCache]: Analyzing trace with hash -406990867, now seen corresponding path program 14 times [2022-12-13 08:56:17,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:17,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721776962] [2022-12-13 08:56:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:17,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 5060 backedges. 2305 proven. 2209 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-12-13 08:56:22,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:22,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721776962] [2022-12-13 08:56:22,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721776962] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:56:22,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893391075] [2022-12-13 08:56:22,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 08:56:22,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:56:22,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:22,662 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:56:22,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-12-13 08:56:22,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 08:56:22,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:56:22,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 2778 conjuncts, 84 conjunts are in the unsatisfiable core [2022-12-13 08:56:22,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:56:26,302 INFO L134 CoverageAnalysis]: Checked inductivity of 5060 backedges. 2389 proven. 2125 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-12-13 08:56:26,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:56:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5060 backedges. 2389 proven. 2125 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-12-13 08:56:29,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893391075] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:56:29,840 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:56:29,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 81, 81] total 211 [2022-12-13 08:56:29,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707588662] [2022-12-13 08:56:29,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:56:29,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2022-12-13 08:56:29,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:29,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2022-12-13 08:56:29,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6863, Invalid=37447, Unknown=0, NotChecked=0, Total=44310 [2022-12-13 08:56:29,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:29,845 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:29,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 211 states, 211 states have (on average 5.04739336492891) internal successors, (1065), 211 states have internal predecessors, (1065), 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) [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:56:29,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:56:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:56:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:56:29,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:56:32,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:56:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:56:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:56:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:56:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 08:56:32,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-12-13 08:56:33,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 08:56:33,171 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:56:33,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:56:33,172 INFO L85 PathProgramCache]: Analyzing trace with hash -209322909, now seen corresponding path program 15 times [2022-12-13 08:56:33,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:56:33,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727006777] [2022-12-13 08:56:33,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:56:33,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:56:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:56:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5236 backedges. 2339 proven. 2385 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2022-12-13 08:56:39,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:56:39,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727006777] [2022-12-13 08:56:39,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727006777] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:56:39,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84418171] [2022-12-13 08:56:39,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 08:56:39,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:56:39,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:56:39,478 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:56:39,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-12-13 08:56:48,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2022-12-13 08:56:48,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:56:48,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 2765 conjuncts, 85 conjunts are in the unsatisfiable core [2022-12-13 08:56:48,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:56:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 5236 backedges. 0 proven. 2935 refuted. 0 times theorem prover too weak. 2301 trivial. 0 not checked. [2022-12-13 08:56:51,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:56:52,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5236 backedges. 2640 proven. 288 refuted. 0 times theorem prover too weak. 2308 trivial. 0 not checked. [2022-12-13 08:56:52,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84418171] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:56:52,726 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:56:52,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 71, 28] total 179 [2022-12-13 08:56:52,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451884319] [2022-12-13 08:56:52,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:56:52,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2022-12-13 08:56:52,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:56:52,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2022-12-13 08:56:52,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3214, Invalid=28648, Unknown=0, NotChecked=0, Total=31862 [2022-12-13 08:56:52,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:52,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:56:52,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 179 states have (on average 6.5195530726256985) internal successors, (1167), 179 states have internal predecessors, (1167), 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) [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-12-13 08:56:52,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:57:07,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:57:07,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:57:07,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:57:07,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 08:57:07,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2022-12-13 08:57:07,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2022-12-13 08:57:07,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 08:57:07,259 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:57:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:57:07,260 INFO L85 PathProgramCache]: Analyzing trace with hash 187559816, now seen corresponding path program 16 times [2022-12-13 08:57:07,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:57:07,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914352497] [2022-12-13 08:57:07,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:57:07,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:57:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:57:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7116 backedges. 3329 proven. 2575 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2022-12-13 08:57:14,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:57:14,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914352497] [2022-12-13 08:57:14,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914352497] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:57:14,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108372245] [2022-12-13 08:57:14,585 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 08:57:14,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:57:14,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:57:14,586 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:57:14,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-12-13 08:57:14,834 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 08:57:14,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:57:14,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 1441 conjuncts, 93 conjunts are in the unsatisfiable core [2022-12-13 08:57:14,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:57:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 7116 backedges. 4632 proven. 2484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:57:18,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:57:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 7116 backedges. 4632 proven. 2484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 08:57:23,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108372245] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:57:23,834 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:57:23,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 90, 90] total 260 [2022-12-13 08:57:23,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738643975] [2022-12-13 08:57:23,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:57:23,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 260 states [2022-12-13 08:57:23,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:57:23,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 260 interpolants. [2022-12-13 08:57:23,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9219, Invalid=58121, Unknown=0, NotChecked=0, Total=67340 [2022-12-13 08:57:23,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:57:23,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:57:23,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 260 states, 260 states have (on average 6.5) internal successors, (1690), 260 states have internal predecessors, (1690), 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) [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2022-12-13 08:57:23,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:57:30,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2022-12-13 08:57:30,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-12-13 08:57:30,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-12-13 08:57:30,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 08:57:30,286 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:57:30,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:57:30,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1371931128, now seen corresponding path program 17 times [2022-12-13 08:57:30,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:57:30,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4738578] [2022-12-13 08:57:30,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:57:30,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:57:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:57:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7918 backedges. 3631 proven. 3391 refuted. 0 times theorem prover too weak. 896 trivial. 0 not checked. [2022-12-13 08:57:39,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:57:39,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4738578] [2022-12-13 08:57:39,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4738578] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:57:39,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80528852] [2022-12-13 08:57:39,003 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 08:57:39,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:57:39,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:57:39,004 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:57:39,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-12-13 08:58:15,001 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2022-12-13 08:58:15,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:58:15,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 3383 conjuncts, 104 conjunts are in the unsatisfiable core [2022-12-13 08:58:15,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:58:19,096 INFO L134 CoverageAnalysis]: Checked inductivity of 7918 backedges. 3876 proven. 3286 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-12-13 08:58:19,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:58:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 7918 backedges. 3876 proven. 3286 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-12-13 08:58:23,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80528852] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:58:23,616 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:58:23,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [99, 101, 101] total 264 [2022-12-13 08:58:23,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392286531] [2022-12-13 08:58:23,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:58:23,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 264 states [2022-12-13 08:58:23,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:58:23,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 264 interpolants. [2022-12-13 08:58:23,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11006, Invalid=58426, Unknown=0, NotChecked=0, Total=69432 [2022-12-13 08:58:23,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:58:23,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:58:23,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 264 states, 264 states have (on average 4.916666666666667) internal successors, (1298), 264 states have internal predecessors, (1298), 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) [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-12-13 08:58:23,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:58:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:58:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:58:29,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2022-12-13 08:58:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-12-13 08:58:29,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-12-13 08:58:29,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-12-13 08:58:29,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:58:29,592 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:58:29,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:58:29,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1544549566, now seen corresponding path program 18 times [2022-12-13 08:58:29,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:58:29,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039058000] [2022-12-13 08:58:29,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:58:29,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:58:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 08:58:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 3805 proven. 4073 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2022-12-13 08:58:39,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 08:58:39,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039058000] [2022-12-13 08:58:39,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039058000] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 08:58:39,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032055133] [2022-12-13 08:58:39,931 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 08:58:39,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:58:39,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 08:58:39,932 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 08:58:39,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-12-13 08:59:16,514 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 35 check-sat command(s) [2022-12-13 08:59:16,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 08:59:16,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 3422 conjuncts, 137 conjunts are in the unsatisfiable core [2022-12-13 08:59:16,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 08:59:23,450 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 4626 proven. 3961 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 08:59:23,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 08:59:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 4626 proven. 3961 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 08:59:29,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032055133] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 08:59:29,614 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 08:59:29,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 128, 128] total 324 [2022-12-13 08:59:29,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109011032] [2022-12-13 08:59:29,615 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 08:59:29,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 324 states [2022-12-13 08:59:29,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 08:59:29,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 324 interpolants. [2022-12-13 08:59:29,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19316, Invalid=85336, Unknown=0, NotChecked=0, Total=104652 [2022-12-13 08:59:29,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:59:29,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 08:59:29,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 324 states, 324 states have (on average 5.018518518518518) internal successors, (1626), 324 states have internal predecessors, (1626), 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) [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-12-13 08:59:29,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 08:59:44,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 08:59:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 08:59:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-13 08:59:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-12-13 08:59:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-12-13 08:59:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 08:59:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2022-12-13 08:59:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-12-13 08:59:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-12-13 08:59:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2022-12-13 08:59:44,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-12-13 08:59:44,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 08:59:44,884 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 08:59:44,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 08:59:44,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1699965688, now seen corresponding path program 19 times [2022-12-13 08:59:44,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 08:59:44,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071695109] [2022-12-13 08:59:44,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 08:59:44,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 08:59:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:00:04,038 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 9752 proven. 5330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:00:04,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:00:04,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071695109] [2022-12-13 09:00:04,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071695109] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:00:04,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192772268] [2022-12-13 09:00:04,038 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 09:00:04,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:00:04,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:00:04,039 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:00:04,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-12-13 09:00:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:00:04,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 3695 conjuncts, 148 conjunts are in the unsatisfiable core [2022-12-13 09:00:04,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:00:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 10071 proven. 5011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:00:17,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:00:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15082 backedges. 10450 proven. 4632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:00:30,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192772268] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:00:30,874 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:00:30,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [145, 145, 145] total 420 [2022-12-13 09:00:30,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540298555] [2022-12-13 09:00:30,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:00:30,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 420 states [2022-12-13 09:00:30,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:00:30,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 420 interpolants. [2022-12-13 09:00:30,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29554, Invalid=146426, Unknown=0, NotChecked=0, Total=175980 [2022-12-13 09:00:30,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:00:30,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:00:30,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 420 states, 420 states have (on average 5.640476190476191) internal successors, (2369), 420 states have internal predecessors, (2369), 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) [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 09:00:30,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-12-13 09:00:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-12-13 09:00:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-12-13 09:00:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-12-13 09:00:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-12-13 09:00:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2022-12-13 09:00:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-12-13 09:00:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-12-13 09:00:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:00:30,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:01:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:01:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:01:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:01:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 09:01:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 09:01:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 09:01:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 09:01:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 09:01:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:01:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-12-13 09:01:08,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-12-13 09:01:08,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:01:08,644 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:01:08,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:01:08,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1388702761, now seen corresponding path program 20 times [2022-12-13 09:01:08,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:01:08,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236828799] [2022-12-13 09:01:08,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:01:08,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:01:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:01:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30247 backedges. 14257 proven. 10639 refuted. 0 times theorem prover too weak. 5351 trivial. 0 not checked. [2022-12-13 09:01:42,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:01:42,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236828799] [2022-12-13 09:01:42,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236828799] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:01:42,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113888950] [2022-12-13 09:01:42,329 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:01:42,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:01:42,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:01:42,330 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:01:42,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-12-13 09:01:43,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:01:43,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:01:43,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 6454 conjuncts, 174 conjunts are in the unsatisfiable core [2022-12-13 09:01:43,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:01:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30247 backedges. 14446 proven. 10450 refuted. 0 times theorem prover too weak. 5351 trivial. 0 not checked. [2022-12-13 09:01:55,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:02:07,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30247 backedges. 14446 proven. 10450 refuted. 0 times theorem prover too weak. 5351 trivial. 0 not checked. [2022-12-13 09:02:07,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113888950] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:02:07,953 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 09:02:07,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [171, 171, 171] total 451 [2022-12-13 09:02:07,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013173077] [2022-12-13 09:02:07,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 09:02:07,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 451 states [2022-12-13 09:02:07,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:02:07,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 451 interpolants. [2022-12-13 09:02:07,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30728, Invalid=172222, Unknown=0, NotChecked=0, Total=202950 [2022-12-13 09:02:07,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:07,974 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:02:07,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 451 states, 451 states have (on average 4.556541019955654) internal successors, (2055), 451 states have internal predecessors, (2055), 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) [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-12-13 09:02:07,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:02:07,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 255 states. [2022-12-13 09:02:07,976 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:02:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:02:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:02:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-13 09:02:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2022-12-13 09:02:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2022-12-13 09:02:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-12-13 09:02:23,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-12-13 09:02:23,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:02:23,662 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-13 09:02:23,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:02:23,664 INFO L85 PathProgramCache]: Analyzing trace with hash -837596897, now seen corresponding path program 21 times [2022-12-13 09:02:23,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:02:23,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674912056] [2022-12-13 09:02:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:02:23,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:02:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:02:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 30633 backedges. 14371 proven. 11025 refuted. 0 times theorem prover too weak. 5237 trivial. 0 not checked. [2022-12-13 09:02:59,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:02:59,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674912056] [2022-12-13 09:02:59,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674912056] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 09:02:59,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126911784] [2022-12-13 09:02:59,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 09:02:59,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 09:02:59,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:02:59,649 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 09:02:59,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19a8534a-8db9-4fa0-bff9-4865d34e8011/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process