./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a --- 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 14:03:14,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:03:14,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:03:14,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:03:14,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:03:14,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:03:14,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:03:14,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:03:14,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:03:14,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:03:14,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:03:14,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:03:14,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:03:14,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:03:14,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:03:14,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:03:14,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:03:14,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:03:14,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:03:14,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:03:14,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:03:14,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:03:14,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:03:14,563 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:03:14,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:03:14,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:03:14,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:03:14,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:03:14,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:03:14,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:03:14,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:03:14,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:03:14,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:03:14,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:03:14,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:03:14,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:03:14,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:03:14,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:03:14,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:03:14,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:03:14,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:03:14,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:03:14,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:03:14,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:03:14,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:03:14,593 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:03:14,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:03:14,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:03:14,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:03:14,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:03:14,595 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:03:14,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:03:14,595 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:03:14,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:03:14,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:03:14,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:03:14,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:03:14,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:03:14,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:03:14,596 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:03:14,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:03:14,597 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:03:14,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:03:14,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:03:14,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:03:14,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:03:14,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:03:14,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:03:14,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:03:14,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:03:14,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:03:14,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:03:14,599 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:03:14,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:03:14,599 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:03:14,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:03:14,599 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:03:14,599 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a [2022-12-13 14:03:14,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:03:14,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:03:14,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:03:14,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:03:14,797 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:03:14,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2022-12-13 14:03:17,349 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:03:17,506 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:03:17,506 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2022-12-13 14:03:17,512 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/data/06a702980/131c9dc57486470a96c2d67739aa7bf2/FLAG0fd73a29f [2022-12-13 14:03:17,524 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/data/06a702980/131c9dc57486470a96c2d67739aa7bf2 [2022-12-13 14:03:17,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:03:17,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:03:17,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:03:17,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:03:17,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:03:17,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a7c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17, skipping insertion in model container [2022-12-13 14:03:17,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,538 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:03:17,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:03:17,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:03:17,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:03:17,696 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:03:17,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:03:17,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:03:17,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:03:17,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:03:17,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:03:17,703 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:03:17,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:03:17,711 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_a947574c-fc76-48a6-a5a3-70da31ecea2e/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2022-12-13 14:03:17,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:03:17,729 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:03:17,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:03:17,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:03:17,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:03:17,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:03:17,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:03:17,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:03:17,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:03:17,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:03:17,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 14:03:17,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 14:03:17,753 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_a947574c-fc76-48a6-a5a3-70da31ecea2e/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c[2924,2937] [2022-12-13 14:03:17,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:03:17,770 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:03:17,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17 WrapperNode [2022-12-13 14:03:17,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:03:17,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:03:17,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:03:17,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:03:17,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,809 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 191 [2022-12-13 14:03:17,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:03:17,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:03:17,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:03:17,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:03:17,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:03:17,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:03:17,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:03:17,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:03:17,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (1/1) ... [2022-12-13 14:03:17,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:03:17,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:03:17,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:03:17,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:03:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:03:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 14:03:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 14:03:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 14:03:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 14:03:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:03:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:03:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:03:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 14:03:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 14:03:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 14:03:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:03:17,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:03:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:03:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:03:17,896 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 14:03:17,979 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:03:17,981 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:03:18,237 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:03:18,303 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:03:18,303 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 14:03:18,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:03:18 BoogieIcfgContainer [2022-12-13 14:03:18,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:03:18,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:03:18,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:03:18,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:03:18,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:03:17" (1/3) ... [2022-12-13 14:03:18,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3736191a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:03:18, skipping insertion in model container [2022-12-13 14:03:18,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:03:17" (2/3) ... [2022-12-13 14:03:18,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3736191a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:03:18, skipping insertion in model container [2022-12-13 14:03:18,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:03:18" (3/3) ... [2022-12-13 14:03:18,315 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2022-12-13 14:03:18,324 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 14:03:18,335 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:03:18,335 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:03:18,335 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 14:03:18,389 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 14:03:18,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 181 places, 189 transitions, 394 flow [2022-12-13 14:03:18,504 INFO L130 PetriNetUnfolder]: 15/187 cut-off events. [2022-12-13 14:03:18,504 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 14:03:18,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 187 events. 15/187 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 104 event pairs, 0 based on Foata normal form. 0/171 useless extension candidates. Maximal degree in co-relation 152. Up to 2 conditions per place. [2022-12-13 14:03:18,509 INFO L82 GeneralOperation]: Start removeDead. Operand has 181 places, 189 transitions, 394 flow [2022-12-13 14:03:18,514 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 170 places, 178 transitions, 368 flow [2022-12-13 14:03:18,518 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 14:03:18,528 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 170 places, 178 transitions, 368 flow [2022-12-13 14:03:18,531 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 170 places, 178 transitions, 368 flow [2022-12-13 14:03:18,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 170 places, 178 transitions, 368 flow [2022-12-13 14:03:18,568 INFO L130 PetriNetUnfolder]: 15/178 cut-off events. [2022-12-13 14:03:18,569 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 14:03:18,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 178 events. 15/178 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 103 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 152. Up to 2 conditions per place. [2022-12-13 14:03:18,570 INFO L119 LiptonReduction]: Number of co-enabled transitions 690 [2022-12-13 14:03:22,936 INFO L134 LiptonReduction]: Checked pairs total: 1360 [2022-12-13 14:03:22,936 INFO L136 LiptonReduction]: Total number of compositions: 193 [2022-12-13 14:03:22,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:03:22,951 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=PETRI_NET, 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;@6efd67c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:03:22,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-13 14:03:22,955 INFO L130 PetriNetUnfolder]: 5/22 cut-off events. [2022-12-13 14:03:22,955 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 14:03:22,955 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:03:22,955 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:22,956 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 14:03:22,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:22,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1842166282, now seen corresponding path program 1 times [2022-12-13 14:03:22,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:22,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140992023] [2022-12-13 14:03:22,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:22,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:23,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:23,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140992023] [2022-12-13 14:03:23,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140992023] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:23,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:23,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:03:23,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131320473] [2022-12-13 14:03:23,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:23,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:03:23,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:23,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:03:23,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:03:23,428 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 382 [2022-12-13 14:03:23,430 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 23 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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 14:03:23,431 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:03:23,431 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 382 [2022-12-13 14:03:23,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:03:23,493 INFO L130 PetriNetUnfolder]: 64/120 cut-off events. [2022-12-13 14:03:23,494 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-12-13 14:03:23,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 120 events. 64/120 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 367 event pairs, 42 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 204. Up to 112 conditions per place. [2022-12-13 14:03:23,496 INFO L137 encePairwiseOnDemand]: 379/382 looper letters, 20 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2022-12-13 14:03:23,496 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 24 transitions, 104 flow [2022-12-13 14:03:23,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:03:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:03:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions. [2022-12-13 14:03:23,512 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4467713787085515 [2022-12-13 14:03:23,512 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 512 transitions. [2022-12-13 14:03:23,513 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions. [2022-12-13 14:03:23,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:03:23,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions. [2022-12-13 14:03:23,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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 14:03:23,527 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 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 14:03:23,528 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 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 14:03:23,530 INFO L175 Difference]: Start difference. First operand has 25 places, 23 transitions, 58 flow. Second operand 3 states and 512 transitions. [2022-12-13 14:03:23,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 24 transitions, 104 flow [2022-12-13 14:03:23,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 24 transitions, 96 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 14:03:23,535 INFO L231 Difference]: Finished difference. Result has 24 places, 24 transitions, 62 flow [2022-12-13 14:03:23,537 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=24, PETRI_TRANSITIONS=24} [2022-12-13 14:03:23,540 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, -1 predicate places. [2022-12-13 14:03:23,540 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 24 transitions, 62 flow [2022-12-13 14:03:23,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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 14:03:23,541 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:03:23,541 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:23,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:03:23,541 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 14:03:23,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:23,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1553130218, now seen corresponding path program 1 times [2022-12-13 14:03:23,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:23,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305384477] [2022-12-13 14:03:23,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:23,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:23,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:23,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:23,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305384477] [2022-12-13 14:03:23,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305384477] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:03:23,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109692928] [2022-12-13 14:03:23,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:23,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:03:23,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:03:23,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:03:23,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 14:03:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:23,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 14:03:23,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:03:23,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:23,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:03:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:23,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109692928] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 14:03:23,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 14:03:23,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4, 4] total 9 [2022-12-13 14:03:23,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623530266] [2022-12-13 14:03:23,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:23,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:03:23,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:23,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:03:23,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:03:23,898 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 382 [2022-12-13 14:03:23,899 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 24 transitions, 62 flow. Second operand has 5 states, 5 states have (on average 156.8) internal successors, (784), 5 states have internal predecessors, (784), 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 14:03:23,899 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:03:23,899 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 382 [2022-12-13 14:03:23,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:03:23,987 INFO L130 PetriNetUnfolder]: 107/194 cut-off events. [2022-12-13 14:03:23,987 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 14:03:23,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 194 events. 107/194 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 729 event pairs, 29 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 386. Up to 71 conditions per place. [2022-12-13 14:03:23,989 INFO L137 encePairwiseOnDemand]: 375/382 looper letters, 29 selfloop transitions, 8 changer transitions 0/39 dead transitions. [2022-12-13 14:03:23,989 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 39 transitions, 168 flow [2022-12-13 14:03:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:03:23,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 14:03:23,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 962 transitions. [2022-12-13 14:03:23,995 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41972076788830714 [2022-12-13 14:03:23,995 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 962 transitions. [2022-12-13 14:03:23,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 962 transitions. [2022-12-13 14:03:23,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:03:23,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 962 transitions. [2022-12-13 14:03:23,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 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 14:03:24,004 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 382.0) internal successors, (2674), 7 states have internal predecessors, (2674), 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 14:03:24,005 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 382.0) internal successors, (2674), 7 states have internal predecessors, (2674), 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 14:03:24,005 INFO L175 Difference]: Start difference. First operand has 24 places, 24 transitions, 62 flow. Second operand 6 states and 962 transitions. [2022-12-13 14:03:24,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 39 transitions, 168 flow [2022-12-13 14:03:24,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 39 transitions, 164 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-13 14:03:24,007 INFO L231 Difference]: Finished difference. Result has 30 places, 27 transitions, 93 flow [2022-12-13 14:03:24,007 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=93, PETRI_PLACES=30, PETRI_TRANSITIONS=27} [2022-12-13 14:03:24,008 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 5 predicate places. [2022-12-13 14:03:24,008 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 27 transitions, 93 flow [2022-12-13 14:03:24,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 156.8) internal successors, (784), 5 states have internal predecessors, (784), 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 14:03:24,009 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:03:24,009 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:24,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:03:24,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:03:24,211 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 14:03:24,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:24,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1889599176, now seen corresponding path program 1 times [2022-12-13 14:03:24,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:24,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430583147] [2022-12-13 14:03:24,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:24,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:24,421 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:03:24,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:24,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430583147] [2022-12-13 14:03:24,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430583147] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:24,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:24,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:03:24,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619105454] [2022-12-13 14:03:24,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:24,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:03:24,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:24,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:03:24,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:03:24,447 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 382 [2022-12-13 14:03:24,448 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 93 flow. Second operand has 4 states, 4 states have (on average 167.25) internal successors, (669), 4 states have internal predecessors, (669), 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 14:03:24,448 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:03:24,448 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 382 [2022-12-13 14:03:24,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:03:24,579 INFO L130 PetriNetUnfolder]: 217/357 cut-off events. [2022-12-13 14:03:24,580 INFO L131 PetriNetUnfolder]: For 98/98 co-relation queries the response was YES. [2022-12-13 14:03:24,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 872 conditions, 357 events. 217/357 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1283 event pairs, 33 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 848. Up to 124 conditions per place. [2022-12-13 14:03:24,583 INFO L137 encePairwiseOnDemand]: 376/382 looper letters, 36 selfloop transitions, 14 changer transitions 0/50 dead transitions. [2022-12-13 14:03:24,583 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 50 transitions, 260 flow [2022-12-13 14:03:24,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:03:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 14:03:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 861 transitions. [2022-12-13 14:03:24,585 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.45078534031413614 [2022-12-13 14:03:24,585 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 861 transitions. [2022-12-13 14:03:24,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 861 transitions. [2022-12-13 14:03:24,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:03:24,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 861 transitions. [2022-12-13 14:03:24,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.2) internal successors, (861), 5 states have internal predecessors, (861), 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 14:03:24,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 382.0) internal successors, (2292), 6 states have internal predecessors, (2292), 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 14:03:24,590 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 382.0) internal successors, (2292), 6 states have internal predecessors, (2292), 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 14:03:24,590 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 93 flow. Second operand 5 states and 861 transitions. [2022-12-13 14:03:24,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 50 transitions, 260 flow [2022-12-13 14:03:24,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 50 transitions, 256 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 14:03:24,593 INFO L231 Difference]: Finished difference. Result has 35 places, 35 transitions, 181 flow [2022-12-13 14:03:24,593 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=181, PETRI_PLACES=35, PETRI_TRANSITIONS=35} [2022-12-13 14:03:24,594 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 10 predicate places. [2022-12-13 14:03:24,594 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 35 transitions, 181 flow [2022-12-13 14:03:24,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 167.25) internal successors, (669), 4 states have internal predecessors, (669), 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 14:03:24,594 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:03:24,594 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:24,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:03:24,595 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 14:03:24,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:24,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1215597854, now seen corresponding path program 2 times [2022-12-13 14:03:24,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:24,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284838843] [2022-12-13 14:03:24,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:24,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 14:03:24,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:24,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284838843] [2022-12-13 14:03:24,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284838843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:24,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:24,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 14:03:24,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105356059] [2022-12-13 14:03:24,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:24,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:03:24,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:24,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:03:24,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:03:24,691 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 382 [2022-12-13 14:03:24,692 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 35 transitions, 181 flow. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 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 14:03:24,692 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:03:24,692 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 382 [2022-12-13 14:03:24,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:03:24,789 INFO L130 PetriNetUnfolder]: 283/474 cut-off events. [2022-12-13 14:03:24,789 INFO L131 PetriNetUnfolder]: For 803/811 co-relation queries the response was YES. [2022-12-13 14:03:24,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1501 conditions, 474 events. 283/474 cut-off events. For 803/811 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1805 event pairs, 81 based on Foata normal form. 5/463 useless extension candidates. Maximal degree in co-relation 1475. Up to 244 conditions per place. [2022-12-13 14:03:24,793 INFO L137 encePairwiseOnDemand]: 379/382 looper letters, 46 selfloop transitions, 2 changer transitions 2/55 dead transitions. [2022-12-13 14:03:24,793 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 55 transitions, 403 flow [2022-12-13 14:03:24,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:03:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:03:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2022-12-13 14:03:24,795 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4694589877835951 [2022-12-13 14:03:24,795 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 538 transitions. [2022-12-13 14:03:24,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 538 transitions. [2022-12-13 14:03:24,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:03:24,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 538 transitions. [2022-12-13 14:03:24,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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 14:03:24,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 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 14:03:24,800 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 382.0) internal successors, (1528), 4 states have internal predecessors, (1528), 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 14:03:24,801 INFO L175 Difference]: Start difference. First operand has 35 places, 35 transitions, 181 flow. Second operand 3 states and 538 transitions. [2022-12-13 14:03:24,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 55 transitions, 403 flow [2022-12-13 14:03:24,804 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 55 transitions, 403 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:03:24,805 INFO L231 Difference]: Finished difference. Result has 38 places, 36 transitions, 193 flow [2022-12-13 14:03:24,805 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=181, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=193, PETRI_PLACES=38, PETRI_TRANSITIONS=36} [2022-12-13 14:03:24,806 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 13 predicate places. [2022-12-13 14:03:24,806 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 36 transitions, 193 flow [2022-12-13 14:03:24,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 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 14:03:24,806 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:03:24,807 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:24,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:03:24,807 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 14:03:24,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:24,807 INFO L85 PathProgramCache]: Analyzing trace with hash 738085492, now seen corresponding path program 1 times [2022-12-13 14:03:24,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:24,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209371671] [2022-12-13 14:03:24,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:24,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:24,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 14:03:24,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:24,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209371671] [2022-12-13 14:03:24,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209371671] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:24,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:24,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:03:24,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994488594] [2022-12-13 14:03:24,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:24,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 14:03:24,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:24,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 14:03:24,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-12-13 14:03:24,974 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 382 [2022-12-13 14:03:24,976 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 36 transitions, 193 flow. Second operand has 5 states, 5 states have (on average 162.8) internal successors, (814), 5 states have internal predecessors, (814), 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 14:03:24,976 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:03:24,976 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 382 [2022-12-13 14:03:24,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:03:25,102 INFO L130 PetriNetUnfolder]: 307/530 cut-off events. [2022-12-13 14:03:25,102 INFO L131 PetriNetUnfolder]: For 638/638 co-relation queries the response was YES. [2022-12-13 14:03:25,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 530 events. 307/530 cut-off events. For 638/638 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2067 event pairs, 70 based on Foata normal form. 26/555 useless extension candidates. Maximal degree in co-relation 1746. Up to 403 conditions per place. [2022-12-13 14:03:25,106 INFO L137 encePairwiseOnDemand]: 377/382 looper letters, 44 selfloop transitions, 2 changer transitions 15/61 dead transitions. [2022-12-13 14:03:25,106 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 61 transitions, 419 flow [2022-12-13 14:03:25,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 14:03:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 14:03:25,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 843 transitions. [2022-12-13 14:03:25,109 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.44136125654450264 [2022-12-13 14:03:25,109 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 843 transitions. [2022-12-13 14:03:25,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 843 transitions. [2022-12-13 14:03:25,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:03:25,110 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 843 transitions. [2022-12-13 14:03:25,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 168.6) internal successors, (843), 5 states have internal predecessors, (843), 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 14:03:25,115 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 382.0) internal successors, (2292), 6 states have internal predecessors, (2292), 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 14:03:25,116 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 382.0) internal successors, (2292), 6 states have internal predecessors, (2292), 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 14:03:25,116 INFO L175 Difference]: Start difference. First operand has 38 places, 36 transitions, 193 flow. Second operand 5 states and 843 transitions. [2022-12-13 14:03:25,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 61 transitions, 419 flow [2022-12-13 14:03:25,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 61 transitions, 417 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 14:03:25,120 INFO L231 Difference]: Finished difference. Result has 44 places, 37 transitions, 211 flow [2022-12-13 14:03:25,120 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=191, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=211, PETRI_PLACES=44, PETRI_TRANSITIONS=37} [2022-12-13 14:03:25,121 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 19 predicate places. [2022-12-13 14:03:25,121 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 37 transitions, 211 flow [2022-12-13 14:03:25,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 162.8) internal successors, (814), 5 states have internal predecessors, (814), 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 14:03:25,121 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:03:25,122 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:25,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 14:03:25,122 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 14:03:25,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:25,122 INFO L85 PathProgramCache]: Analyzing trace with hash -724333116, now seen corresponding path program 1 times [2022-12-13 14:03:25,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:25,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611603337] [2022-12-13 14:03:25,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:25,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:25,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 14:03:25,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:25,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611603337] [2022-12-13 14:03:25,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611603337] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:03:25,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:03:25,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 14:03:25,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139743401] [2022-12-13 14:03:25,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:03:25,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:03:25,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:25,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:03:25,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:03:25,260 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 382 [2022-12-13 14:03:25,261 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 37 transitions, 211 flow. Second operand has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 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 14:03:25,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:03:25,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 382 [2022-12-13 14:03:25,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:03:25,372 INFO L130 PetriNetUnfolder]: 284/504 cut-off events. [2022-12-13 14:03:25,372 INFO L131 PetriNetUnfolder]: For 1300/1317 co-relation queries the response was YES. [2022-12-13 14:03:25,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1924 conditions, 504 events. 284/504 cut-off events. For 1300/1317 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1976 event pairs, 159 based on Foata normal form. 21/507 useless extension candidates. Maximal degree in co-relation 1580. Up to 397 conditions per place. [2022-12-13 14:03:25,376 INFO L137 encePairwiseOnDemand]: 378/382 looper letters, 31 selfloop transitions, 2 changer transitions 16/54 dead transitions. [2022-12-13 14:03:25,377 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 54 transitions, 403 flow [2022-12-13 14:03:25,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:03:25,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 14:03:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 677 transitions. [2022-12-13 14:03:25,379 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4430628272251309 [2022-12-13 14:03:25,379 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 677 transitions. [2022-12-13 14:03:25,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 677 transitions. [2022-12-13 14:03:25,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:03:25,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 677 transitions. [2022-12-13 14:03:25,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 169.25) internal successors, (677), 4 states have internal predecessors, (677), 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 14:03:25,383 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 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 14:03:25,384 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 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 14:03:25,384 INFO L175 Difference]: Start difference. First operand has 44 places, 37 transitions, 211 flow. Second operand 4 states and 677 transitions. [2022-12-13 14:03:25,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 54 transitions, 403 flow [2022-12-13 14:03:25,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 54 transitions, 395 flow, removed 3 selfloop flow, removed 3 redundant places. [2022-12-13 14:03:25,388 INFO L231 Difference]: Finished difference. Result has 44 places, 38 transitions, 217 flow [2022-12-13 14:03:25,388 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=217, PETRI_PLACES=44, PETRI_TRANSITIONS=38} [2022-12-13 14:03:25,388 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 19 predicate places. [2022-12-13 14:03:25,389 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 38 transitions, 217 flow [2022-12-13 14:03:25,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 165.75) internal successors, (663), 4 states have internal predecessors, (663), 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 14:03:25,389 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:03:25,389 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:25,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 14:03:25,389 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 14:03:25,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:25,390 INFO L85 PathProgramCache]: Analyzing trace with hash 764011229, now seen corresponding path program 1 times [2022-12-13 14:03:25,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:25,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026807749] [2022-12-13 14:03:25,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:25,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:26,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:03:26,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:26,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026807749] [2022-12-13 14:03:26,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026807749] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:03:26,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628876894] [2022-12-13 14:03:26,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:26,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:03:26,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:03:26,311 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:03:26,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 14:03:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:26,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-13 14:03:26,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:03:26,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:03:26,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-12-13 14:03:26,886 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-12-13 14:03:26,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 10 [2022-12-13 14:03:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:03:26,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:03:27,345 INFO L321 Elim1Store]: treesize reduction 15, result has 83.9 percent of original size [2022-12-13 14:03:27,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 258 treesize of output 255 [2022-12-13 14:03:27,373 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:03:27,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 174 treesize of output 189 [2022-12-13 14:03:27,389 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:03:27,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 137 [2022-12-13 14:03:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:03:28,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628876894] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:03:28,372 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:03:28,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 25 [2022-12-13 14:03:28,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723268182] [2022-12-13 14:03:28,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:03:28,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-13 14:03:28,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:28,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-13 14:03:28,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=571, Unknown=2, NotChecked=0, Total=702 [2022-12-13 14:03:28,985 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 382 [2022-12-13 14:03:28,987 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 38 transitions, 217 flow. Second operand has 27 states, 27 states have (on average 100.18518518518519) internal successors, (2705), 27 states have internal predecessors, (2705), 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 14:03:28,987 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:03:28,987 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 382 [2022-12-13 14:03:28,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:03:34,504 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse16 (* c_~start~0 4)) (.cse15 (* c_~end~0 4))) (let ((.cse6 (not (<= c_~last~0 |c_thread1Thread1of1ForFork0_#t~mem1#1|))) (.cse8 (+ .cse15 c_~queue~0.offset)) (.cse12 (+ .cse16 c_~queue~0.offset)) (.cse9 (+ c_~A~0.offset (* c_~i~0 4))) (.cse0 (not (< c_~end~0 c_~n~0))) (.cse1 (< c_~start~0 0)) (.cse2 (not (= (mod c_~ok~0 256) 0))) (.cse3 (= .cse15 .cse16)) (.cse4 (not (<= 0 c_~end~0))) (.cse5 (<= c_~n~0 c_~start~0))) (and (or .cse0 .cse1 (< (+ 1 |c_ULTIMATE.start_create_fresh_int_array_~i~1#1|) |c_ULTIMATE.start_create_fresh_int_array_~size#1|) (and (< |c_#StackHeapBarrier| (+ |c_ULTIMATE.start_main_~#t2~0#1.base| 1)) .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse4 (and (or .cse2 (forall ((~queue~0.base Int) (v_ArrVal_156 (Array Int Int))) (not (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_156))) (= (select (select .cse7 ~queue~0.base) .cse8) (select (select .cse7 c_~A~0.base) .cse9)))))) (forall ((~queue~0.base Int) (v_ArrVal_156 (Array Int Int))) (let ((.cse11 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_156))) (let ((.cse10 (select .cse11 ~queue~0.base))) (or (not (= (select .cse10 .cse8) (select (select .cse11 c_~A~0.base) .cse9))) (< c_~v_old~0 (+ (select .cse10 .cse12) 1))))))) .cse5) (or .cse0 .cse6 .cse1 (let ((.cse13 (select (select |c_#memory_int| c_~A~0.base) .cse9))) (and (or (forall ((~queue~0.base Int)) (not (= (select (select |c_#memory_int| ~queue~0.base) .cse8) .cse13))) .cse2) (forall ((~queue~0.base Int)) (let ((.cse14 (select |c_#memory_int| ~queue~0.base))) (or (not (= (select .cse14 .cse8) .cse13)) (< c_~v_old~0 (+ (select .cse14 .cse12) 1))))))) .cse4 .cse5) (or .cse0 (and (not (= |c_ULTIMATE.start_main_~#t2~0#1.base| c_~A~0.base)) .cse2 .cse3 (< c_~v_old~0 (+ c_~last~0 1))) .cse1 .cse4 .cse5) (or .cse0 .cse1 (and .cse2 (< |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| |c_ULTIMATE.start_main_~#t2~0#1.base|) .cse3) .cse4 .cse5)))) is different from false [2022-12-13 14:03:35,096 INFO L130 PetriNetUnfolder]: 1988/3333 cut-off events. [2022-12-13 14:03:35,096 INFO L131 PetriNetUnfolder]: For 4669/4669 co-relation queries the response was YES. [2022-12-13 14:03:35,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11786 conditions, 3333 events. 1988/3333 cut-off events. For 4669/4669 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 18440 event pairs, 183 based on Foata normal form. 10/3338 useless extension candidates. Maximal degree in co-relation 11762. Up to 638 conditions per place. [2022-12-13 14:03:35,110 INFO L137 encePairwiseOnDemand]: 362/382 looper letters, 279 selfloop transitions, 138 changer transitions 96/513 dead transitions. [2022-12-13 14:03:35,110 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 513 transitions, 3816 flow [2022-12-13 14:03:35,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-12-13 14:03:35,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2022-12-13 14:03:35,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 5001 transitions. [2022-12-13 14:03:35,119 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.2785451709925365 [2022-12-13 14:03:35,119 INFO L72 ComplementDD]: Start complementDD. Operand 47 states and 5001 transitions. [2022-12-13 14:03:35,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 5001 transitions. [2022-12-13 14:03:35,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:03:35,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 47 states and 5001 transitions. [2022-12-13 14:03:35,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 48 states, 47 states have (on average 106.40425531914893) internal successors, (5001), 47 states have internal predecessors, (5001), 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 14:03:35,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 48 states, 48 states have (on average 382.0) internal successors, (18336), 48 states have internal predecessors, (18336), 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 14:03:35,144 INFO L81 ComplementDD]: Finished complementDD. Result has 48 states, 48 states have (on average 382.0) internal successors, (18336), 48 states have internal predecessors, (18336), 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 14:03:35,144 INFO L175 Difference]: Start difference. First operand has 44 places, 38 transitions, 217 flow. Second operand 47 states and 5001 transitions. [2022-12-13 14:03:35,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 513 transitions, 3816 flow [2022-12-13 14:03:35,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 513 transitions, 3796 flow, removed 9 selfloop flow, removed 2 redundant places. [2022-12-13 14:03:35,155 INFO L231 Difference]: Finished difference. Result has 121 places, 182 transitions, 1754 flow [2022-12-13 14:03:35,156 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=47, PETRI_FLOW=1754, PETRI_PLACES=121, PETRI_TRANSITIONS=182} [2022-12-13 14:03:35,156 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 96 predicate places. [2022-12-13 14:03:35,156 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 182 transitions, 1754 flow [2022-12-13 14:03:35,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 100.18518518518519) internal successors, (2705), 27 states have internal predecessors, (2705), 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 14:03:35,157 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:03:35,157 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:03:35,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 14:03:35,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:03:35,359 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 14:03:35,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:03:35,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1645457051, now seen corresponding path program 2 times [2022-12-13 14:03:35,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:03:35,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614374453] [2022-12-13 14:03:35,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:03:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:03:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:03:36,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:03:36,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:03:36,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614374453] [2022-12-13 14:03:36,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614374453] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:03:36,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499561149] [2022-12-13 14:03:36,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:03:36,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:03:36,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:03:36,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:03:36,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 14:03:36,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:03:36,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:03:36,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 59 conjunts are in the unsatisfiable core [2022-12-13 14:03:36,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:03:36,325 INFO L321 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2022-12-13 14:03:36,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 31 [2022-12-13 14:03:36,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 14:03:36,440 INFO L321 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2022-12-13 14:03:36,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 26 [2022-12-13 14:03:36,488 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 14:03:36,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-13 14:03:36,698 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-13 14:03:36,698 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 44 [2022-12-13 14:03:36,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-13 14:03:36,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-13 14:03:36,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:03:36,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:03:37,335 WARN L837 $PredicateComparison]: unable to prove that (or (and (not (= (mod c_~ok~0 256) 0)) (forall ((~A~0.offset Int) (~i~0 Int) (v_ArrVal_203 (Array Int Int)) (v_ArrVal_202 (Array Int Int)) (~A~0.base Int)) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_202) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_203))) (let ((.cse0 (select (select .cse1 ~A~0.base) (+ (* ~i~0 4) ~A~0.offset)))) (or (forall ((v_ArrVal_204 (Array Int Int))) (< .cse0 (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_204) c_~queue~0.base) (+ (* c_~start~0 4) c_~queue~0.offset)) 1))) (not (= (select (select .cse1 c_~queue~0.base) (+ (* c_~end~0 4) c_~queue~0.offset)) .cse0))))))) (not (< c_~end~0 c_~n~0)) (not (<= 0 c_~end~0))) is different from false [2022-12-13 14:03:37,459 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:03:37,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 81 [2022-12-13 14:03:37,483 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:03:37,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 5260 treesize of output 4670 [2022-12-13 14:03:37,529 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:03:37,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 4620 treesize of output 4184 [2022-12-13 14:03:37,586 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:03:37,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 4140 treesize of output 3224 [2022-12-13 14:03:37,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2294 treesize of output 1910 [2022-12-13 14:03:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-12-13 14:03:43,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499561149] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:03:43,308 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:03:43,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 28 [2022-12-13 14:03:43,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084964237] [2022-12-13 14:03:43,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:03:43,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-12-13 14:03:43,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:03:43,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-12-13 14:03:43,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=646, Unknown=7, NotChecked=54, Total=870 [2022-12-13 14:03:43,551 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 382 [2022-12-13 14:03:43,552 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 182 transitions, 1754 flow. Second operand has 30 states, 30 states have (on average 92.2) internal successors, (2766), 30 states have internal predecessors, (2766), 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 14:03:43,552 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:03:43,552 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 382 [2022-12-13 14:03:43,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:03:47,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-13 14:03:53,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-13 14:03:57,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-13 14:03:59,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-13 14:04:02,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-13 14:04:04,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2022-12-13 14:04:39,752 WARN L233 SmtUtils]: Spent 24.23s on a formula simplification. DAG size of input: 75 DAG size of output: 55 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:04:57,882 WARN L233 SmtUtils]: Spent 16.36s on a formula simplification. DAG size of input: 72 DAG size of output: 64 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:05:15,101 INFO L130 PetriNetUnfolder]: 5163/8573 cut-off events. [2022-12-13 14:05:15,101 INFO L131 PetriNetUnfolder]: For 82119/82119 co-relation queries the response was YES. [2022-12-13 14:05:15,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51194 conditions, 8573 events. 5163/8573 cut-off events. For 82119/82119 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 56108 event pairs, 479 based on Foata normal form. 13/8586 useless extension candidates. Maximal degree in co-relation 51100. Up to 4583 conditions per place. [2022-12-13 14:05:15,154 INFO L137 encePairwiseOnDemand]: 365/382 looper letters, 491 selfloop transitions, 202 changer transitions 159/852 dead transitions. [2022-12-13 14:05:15,154 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 852 transitions, 10336 flow [2022-12-13 14:05:15,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-12-13 14:05:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2022-12-13 14:05:15,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 5562 transitions. [2022-12-13 14:05:15,162 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.2554422705979609 [2022-12-13 14:05:15,162 INFO L72 ComplementDD]: Start complementDD. Operand 57 states and 5562 transitions. [2022-12-13 14:05:15,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 5562 transitions. [2022-12-13 14:05:15,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:05:15,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 57 states and 5562 transitions. [2022-12-13 14:05:15,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 58 states, 57 states have (on average 97.57894736842105) internal successors, (5562), 57 states have internal predecessors, (5562), 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 14:05:15,198 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 58 states, 58 states have (on average 382.0) internal successors, (22156), 58 states have internal predecessors, (22156), 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 14:05:15,202 INFO L81 ComplementDD]: Finished complementDD. Result has 58 states, 58 states have (on average 382.0) internal successors, (22156), 58 states have internal predecessors, (22156), 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 14:05:15,202 INFO L175 Difference]: Start difference. First operand has 121 places, 182 transitions, 1754 flow. Second operand 57 states and 5562 transitions. [2022-12-13 14:05:15,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 852 transitions, 10336 flow [2022-12-13 14:05:15,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 852 transitions, 9985 flow, removed 172 selfloop flow, removed 8 redundant places. [2022-12-13 14:05:15,472 INFO L231 Difference]: Finished difference. Result has 196 places, 345 transitions, 4074 flow [2022-12-13 14:05:15,472 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=1643, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=57, PETRI_FLOW=4074, PETRI_PLACES=196, PETRI_TRANSITIONS=345} [2022-12-13 14:05:15,472 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 171 predicate places. [2022-12-13 14:05:15,472 INFO L495 AbstractCegarLoop]: Abstraction has has 196 places, 345 transitions, 4074 flow [2022-12-13 14:05:15,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 92.2) internal successors, (2766), 30 states have internal predecessors, (2766), 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 14:05:15,473 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:05:15,474 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:05:15,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 14:05:15,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:05:15,675 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 14:05:15,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:05:15,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1527121230, now seen corresponding path program 3 times [2022-12-13 14:05:15,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:05:15,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916076528] [2022-12-13 14:05:15,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:05:15,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:05:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 14:05:15,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:05:15,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916076528] [2022-12-13 14:05:15,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916076528] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:05:15,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678270109] [2022-12-13 14:05:15,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 14:05:15,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:05:15,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:05:15,867 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:05:15,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 14:05:15,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-13 14:05:15,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:05:15,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 14:05:15,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:05:16,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 14:05:16,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:05:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 14:05:16,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678270109] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:05:16,133 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:05:16,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2022-12-13 14:05:16,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494588137] [2022-12-13 14:05:16,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:05:16,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 14:05:16,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:05:16,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 14:05:16,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-12-13 14:05:16,478 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 382 [2022-12-13 14:05:16,480 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 345 transitions, 4074 flow. Second operand has 15 states, 15 states have (on average 157.2) internal successors, (2358), 15 states have internal predecessors, (2358), 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 14:05:16,480 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:05:16,480 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 382 [2022-12-13 14:05:16,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:05:19,156 INFO L130 PetriNetUnfolder]: 7980/13330 cut-off events. [2022-12-13 14:05:19,156 INFO L131 PetriNetUnfolder]: For 137971/138367 co-relation queries the response was YES. [2022-12-13 14:05:19,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84734 conditions, 13330 events. 7980/13330 cut-off events. For 137971/138367 co-relation queries the response was YES. Maximal size of possible extension queue 795. Compared 97869 event pairs, 925 based on Foata normal form. 210/13307 useless extension candidates. Maximal degree in co-relation 84633. Up to 7005 conditions per place. [2022-12-13 14:05:19,259 INFO L137 encePairwiseOnDemand]: 375/382 looper letters, 757 selfloop transitions, 236 changer transitions 2/1015 dead transitions. [2022-12-13 14:05:19,259 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 1015 transitions, 13588 flow [2022-12-13 14:05:19,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 14:05:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-13 14:05:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1619 transitions. [2022-12-13 14:05:19,261 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4238219895287958 [2022-12-13 14:05:19,261 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1619 transitions. [2022-12-13 14:05:19,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1619 transitions. [2022-12-13 14:05:19,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:05:19,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1619 transitions. [2022-12-13 14:05:19,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 161.9) internal successors, (1619), 10 states have internal predecessors, (1619), 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 14:05:19,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 382.0) internal successors, (4202), 11 states have internal predecessors, (4202), 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 14:05:19,266 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 382.0) internal successors, (4202), 11 states have internal predecessors, (4202), 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 14:05:19,266 INFO L175 Difference]: Start difference. First operand has 196 places, 345 transitions, 4074 flow. Second operand 10 states and 1619 transitions. [2022-12-13 14:05:19,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 1015 transitions, 13588 flow [2022-12-13 14:05:19,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 1015 transitions, 13013 flow, removed 186 selfloop flow, removed 19 redundant places. [2022-12-13 14:05:19,986 INFO L231 Difference]: Finished difference. Result has 177 places, 482 transitions, 6836 flow [2022-12-13 14:05:19,986 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=3868, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=113, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=227, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6836, PETRI_PLACES=177, PETRI_TRANSITIONS=482} [2022-12-13 14:05:19,986 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 152 predicate places. [2022-12-13 14:05:19,986 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 482 transitions, 6836 flow [2022-12-13 14:05:19,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 157.2) internal successors, (2358), 15 states have internal predecessors, (2358), 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 14:05:19,987 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:05:19,987 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:05:19,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 14:05:20,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:05:20,188 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 14:05:20,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:05:20,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1152396300, now seen corresponding path program 4 times [2022-12-13 14:05:20,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:05:20,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358396118] [2022-12-13 14:05:20,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:05:20,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:05:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:05:22,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:05:22,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358396118] [2022-12-13 14:05:22,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358396118] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:05:22,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175598210] [2022-12-13 14:05:22,342 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 14:05:22,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:05:22,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:05:22,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:05:22,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 14:05:22,415 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 14:05:22,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:05:22,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-13 14:05:22,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:05:22,765 INFO L321 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2022-12-13 14:05:22,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 10 [2022-12-13 14:05:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 14:05:22,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:05:25,093 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:05:25,093 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 125 [2022-12-13 14:05:25,581 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 14:05:25,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175598210] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:05:25,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:05:25,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 6] total 26 [2022-12-13 14:05:25,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929615699] [2022-12-13 14:05:25,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:05:25,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-13 14:05:25,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:05:25,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-13 14:05:25,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2022-12-13 14:05:27,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 14:05:30,432 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 382 [2022-12-13 14:05:30,434 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 482 transitions, 6836 flow. Second operand has 28 states, 28 states have (on average 121.28571428571429) internal successors, (3396), 28 states have internal predecessors, (3396), 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 14:05:30,435 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:05:30,435 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 382 [2022-12-13 14:05:30,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:05:33,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 14:05:35,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 14:05:41,903 INFO L130 PetriNetUnfolder]: 12017/20127 cut-off events. [2022-12-13 14:05:41,903 INFO L131 PetriNetUnfolder]: For 218974/218974 co-relation queries the response was YES. [2022-12-13 14:05:41,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132190 conditions, 20127 events. 12017/20127 cut-off events. For 218974/218974 co-relation queries the response was YES. Maximal size of possible extension queue 1069. Compared 153787 event pairs, 470 based on Foata normal form. 4/20131 useless extension candidates. Maximal degree in co-relation 131071. Up to 10473 conditions per place. [2022-12-13 14:05:42,048 INFO L137 encePairwiseOnDemand]: 363/382 looper letters, 621 selfloop transitions, 493 changer transitions 96/1210 dead transitions. [2022-12-13 14:05:42,048 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 1210 transitions, 18453 flow [2022-12-13 14:05:42,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-12-13 14:05:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2022-12-13 14:05:42,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 6353 transitions. [2022-12-13 14:05:42,054 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.3260958833795298 [2022-12-13 14:05:42,054 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 6353 transitions. [2022-12-13 14:05:42,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 6353 transitions. [2022-12-13 14:05:42,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:05:42,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 6353 transitions. [2022-12-13 14:05:42,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 124.56862745098039) internal successors, (6353), 51 states have internal predecessors, (6353), 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 14:05:42,072 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 382.0) internal successors, (19864), 52 states have internal predecessors, (19864), 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 14:05:42,074 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 382.0) internal successors, (19864), 52 states have internal predecessors, (19864), 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 14:05:42,074 INFO L175 Difference]: Start difference. First operand has 177 places, 482 transitions, 6836 flow. Second operand 51 states and 6353 transitions. [2022-12-13 14:05:42,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 1210 transitions, 18453 flow [2022-12-13 14:05:44,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 1210 transitions, 18195 flow, removed 78 selfloop flow, removed 3 redundant places. [2022-12-13 14:05:44,291 INFO L231 Difference]: Finished difference. Result has 246 places, 854 transitions, 13462 flow [2022-12-13 14:05:44,291 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=6742, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=482, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=51, PETRI_FLOW=13462, PETRI_PLACES=246, PETRI_TRANSITIONS=854} [2022-12-13 14:05:44,292 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 221 predicate places. [2022-12-13 14:05:44,292 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 854 transitions, 13462 flow [2022-12-13 14:05:44,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 121.28571428571429) internal successors, (3396), 28 states have internal predecessors, (3396), 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 14:05:44,293 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:05:44,293 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:05:44,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 14:05:44,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 14:05:44,495 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 14:05:44,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:05:44,496 INFO L85 PathProgramCache]: Analyzing trace with hash -171137932, now seen corresponding path program 5 times [2022-12-13 14:05:44,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:05:44,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130472301] [2022-12-13 14:05:44,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:05:44,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:05:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:05:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:05:47,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:05:47,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130472301] [2022-12-13 14:05:47,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130472301] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:05:47,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522183923] [2022-12-13 14:05:47,039 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 14:05:47,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:05:47,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:05:47,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:05:47,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 14:05:47,116 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2022-12-13 14:05:47,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:05:47,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 38 conjunts are in the unsatisfiable core [2022-12-13 14:05:47,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:05:47,552 INFO L321 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2022-12-13 14:05:47,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 10 [2022-12-13 14:05:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 14:05:47,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:05:49,896 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:05:49,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 125 [2022-12-13 14:05:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 14:05:50,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522183923] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:05:50,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:05:50,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 6] total 29 [2022-12-13 14:05:50,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138894725] [2022-12-13 14:05:50,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:05:50,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-12-13 14:05:50,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:05:50,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-12-13 14:05:50,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=759, Unknown=0, NotChecked=0, Total=930 [2022-12-13 14:05:53,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 14:05:56,902 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 382 [2022-12-13 14:05:56,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 854 transitions, 13462 flow. Second operand has 31 states, 31 states have (on average 124.3225806451613) internal successors, (3854), 31 states have internal predecessors, (3854), 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 14:05:56,904 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:05:56,904 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 382 [2022-12-13 14:05:56,904 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:06:07,033 INFO L130 PetriNetUnfolder]: 14521/24564 cut-off events. [2022-12-13 14:06:07,033 INFO L131 PetriNetUnfolder]: For 393167/393167 co-relation queries the response was YES. [2022-12-13 14:06:07,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188349 conditions, 24564 events. 14521/24564 cut-off events. For 393167/393167 co-relation queries the response was YES. Maximal size of possible extension queue 1369. Compared 197060 event pairs, 1100 based on Foata normal form. 4/24568 useless extension candidates. Maximal degree in co-relation 187009. Up to 12698 conditions per place. [2022-12-13 14:06:07,275 INFO L137 encePairwiseOnDemand]: 368/382 looper letters, 712 selfloop transitions, 712 changer transitions 34/1458 dead transitions. [2022-12-13 14:06:07,275 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 1458 transitions, 26719 flow [2022-12-13 14:06:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-12-13 14:06:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2022-12-13 14:06:07,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 4620 transitions. [2022-12-13 14:06:07,279 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.33595113438045376 [2022-12-13 14:06:07,279 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 4620 transitions. [2022-12-13 14:06:07,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 4620 transitions. [2022-12-13 14:06:07,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:06:07,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 4620 transitions. [2022-12-13 14:06:07,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 128.33333333333334) internal successors, (4620), 36 states have internal predecessors, (4620), 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 14:06:07,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 382.0) internal successors, (14134), 37 states have internal predecessors, (14134), 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 14:06:07,292 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 382.0) internal successors, (14134), 37 states have internal predecessors, (14134), 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 14:06:07,292 INFO L175 Difference]: Start difference. First operand has 246 places, 854 transitions, 13462 flow. Second operand 36 states and 4620 transitions. [2022-12-13 14:06:07,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 1458 transitions, 26719 flow [2022-12-13 14:06:13,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 1458 transitions, 24384 flow, removed 783 selfloop flow, removed 8 redundant places. [2022-12-13 14:06:13,787 INFO L231 Difference]: Finished difference. Result has 284 places, 1139 transitions, 18708 flow [2022-12-13 14:06:13,787 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=12164, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=854, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=433, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=36, PETRI_FLOW=18708, PETRI_PLACES=284, PETRI_TRANSITIONS=1139} [2022-12-13 14:06:13,788 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 259 predicate places. [2022-12-13 14:06:13,788 INFO L495 AbstractCegarLoop]: Abstraction has has 284 places, 1139 transitions, 18708 flow [2022-12-13 14:06:13,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 124.3225806451613) internal successors, (3854), 31 states have internal predecessors, (3854), 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 14:06:13,788 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:06:13,788 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:06:13,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-12-13 14:06:13,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:06:13,990 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 14:06:13,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:06:13,992 INFO L85 PathProgramCache]: Analyzing trace with hash -223728088, now seen corresponding path program 6 times [2022-12-13 14:06:13,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:06:13,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235075436] [2022-12-13 14:06:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:06:13,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:06:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 14:06:14,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:06:14,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235075436] [2022-12-13 14:06:14,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235075436] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:06:14,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479248352] [2022-12-13 14:06:14,146 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 14:06:14,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:06:14,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:06:14,147 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:06:14,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 14:06:14,480 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-12-13 14:06:14,480 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:06:14,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 14:06:14,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:06:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 14:06:14,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:06:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 14:06:14,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479248352] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:06:14,582 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:06:14,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3, 4] total 9 [2022-12-13 14:06:14,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234625089] [2022-12-13 14:06:14,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:06:14,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 14:06:14,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:06:14,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 14:06:14,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2022-12-13 14:06:14,621 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 382 [2022-12-13 14:06:14,622 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 1139 transitions, 18708 flow. Second operand has 10 states, 10 states have (on average 164.1) internal successors, (1641), 10 states have internal predecessors, (1641), 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 14:06:14,622 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:06:14,622 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 382 [2022-12-13 14:06:14,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:06:22,940 INFO L130 PetriNetUnfolder]: 14803/25774 cut-off events. [2022-12-13 14:06:22,940 INFO L131 PetriNetUnfolder]: For 455195/455195 co-relation queries the response was YES. [2022-12-13 14:06:23,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204127 conditions, 25774 events. 14803/25774 cut-off events. For 455195/455195 co-relation queries the response was YES. Maximal size of possible extension queue 1294. Compared 211934 event pairs, 1874 based on Foata normal form. 1072/26846 useless extension candidates. Maximal degree in co-relation 203919. Up to 14014 conditions per place. [2022-12-13 14:06:23,222 INFO L137 encePairwiseOnDemand]: 377/382 looper letters, 952 selfloop transitions, 285 changer transitions 68/1305 dead transitions. [2022-12-13 14:06:23,222 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 1305 transitions, 23918 flow [2022-12-13 14:06:23,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:06:23,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 14:06:23,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1188 transitions. [2022-12-13 14:06:23,225 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4442782348541511 [2022-12-13 14:06:23,225 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1188 transitions. [2022-12-13 14:06:23,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1188 transitions. [2022-12-13 14:06:23,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:06:23,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1188 transitions. [2022-12-13 14:06:23,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 169.71428571428572) internal successors, (1188), 7 states have internal predecessors, (1188), 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 14:06:23,229 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 382.0) internal successors, (3056), 8 states have internal predecessors, (3056), 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 14:06:23,229 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 382.0) internal successors, (3056), 8 states have internal predecessors, (3056), 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 14:06:23,230 INFO L175 Difference]: Start difference. First operand has 284 places, 1139 transitions, 18708 flow. Second operand 7 states and 1188 transitions. [2022-12-13 14:06:23,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 1305 transitions, 23918 flow [2022-12-13 14:06:31,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 1305 transitions, 23528 flow, removed 135 selfloop flow, removed 15 redundant places. [2022-12-13 14:06:31,320 INFO L231 Difference]: Finished difference. Result has 276 places, 1122 transitions, 19341 flow [2022-12-13 14:06:31,320 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=17002, PETRI_DIFFERENCE_MINUEND_PLACES=266, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1046, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=777, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=19341, PETRI_PLACES=276, PETRI_TRANSITIONS=1122} [2022-12-13 14:06:31,321 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 251 predicate places. [2022-12-13 14:06:31,321 INFO L495 AbstractCegarLoop]: Abstraction has has 276 places, 1122 transitions, 19341 flow [2022-12-13 14:06:31,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 164.1) internal successors, (1641), 10 states have internal predecessors, (1641), 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 14:06:31,321 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:06:31,321 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:06:31,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 14:06:31,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:06:31,523 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 14:06:31,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:06:31,524 INFO L85 PathProgramCache]: Analyzing trace with hash 695952270, now seen corresponding path program 1 times [2022-12-13 14:06:31,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:06:31,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414533962] [2022-12-13 14:06:31,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:06:31,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:06:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 14:06:31,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:06:31,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414533962] [2022-12-13 14:06:31,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414533962] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:06:31,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:06:31,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 14:06:31,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907674237] [2022-12-13 14:06:31,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:06:31,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 14:06:31,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:06:31,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 14:06:31,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 14:06:31,646 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 382 [2022-12-13 14:06:31,647 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 276 places, 1122 transitions, 19341 flow. Second operand has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 14:06:31,647 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:06:31,647 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 382 [2022-12-13 14:06:31,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:06:41,660 INFO L130 PetriNetUnfolder]: 17689/30978 cut-off events. [2022-12-13 14:06:41,660 INFO L131 PetriNetUnfolder]: For 589703/589703 co-relation queries the response was YES. [2022-12-13 14:06:41,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259463 conditions, 30978 events. 17689/30978 cut-off events. For 589703/589703 co-relation queries the response was YES. Maximal size of possible extension queue 1506. Compared 263481 event pairs, 904 based on Foata normal form. 96/31074 useless extension candidates. Maximal degree in co-relation 256453. Up to 17554 conditions per place. [2022-12-13 14:06:42,041 INFO L137 encePairwiseOnDemand]: 378/382 looper letters, 1329 selfloop transitions, 171 changer transitions 2/1502 dead transitions. [2022-12-13 14:06:42,041 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 1502 transitions, 28918 flow [2022-12-13 14:06:42,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 14:06:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 14:06:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 702 transitions. [2022-12-13 14:06:42,043 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4594240837696335 [2022-12-13 14:06:42,043 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 702 transitions. [2022-12-13 14:06:42,043 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 702 transitions. [2022-12-13 14:06:42,043 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:06:42,043 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 702 transitions. [2022-12-13 14:06:42,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 175.5) internal successors, (702), 4 states have internal predecessors, (702), 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 14:06:42,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 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 14:06:42,045 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 382.0) internal successors, (1910), 5 states have internal predecessors, (1910), 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 14:06:42,045 INFO L175 Difference]: Start difference. First operand has 276 places, 1122 transitions, 19341 flow. Second operand 4 states and 702 transitions. [2022-12-13 14:06:42,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 1502 transitions, 28918 flow [2022-12-13 14:06:52,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 1502 transitions, 28648 flow, removed 135 selfloop flow, removed 0 redundant places. [2022-12-13 14:06:52,807 INFO L231 Difference]: Finished difference. Result has 280 places, 1157 transitions, 20590 flow [2022-12-13 14:06:52,808 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=19084, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=20590, PETRI_PLACES=280, PETRI_TRANSITIONS=1157} [2022-12-13 14:06:52,808 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 255 predicate places. [2022-12-13 14:06:52,808 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 1157 transitions, 20590 flow [2022-12-13 14:06:52,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 170.0) internal successors, (680), 4 states have internal predecessors, (680), 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 14:06:52,808 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:06:52,808 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:06:52,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 14:06:52,809 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 14:06:52,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:06:52,809 INFO L85 PathProgramCache]: Analyzing trace with hash -748568582, now seen corresponding path program 7 times [2022-12-13 14:06:52,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:06:52,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419191028] [2022-12-13 14:06:52,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:06:52,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:06:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:54,193 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:06:54,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:06:54,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419191028] [2022-12-13 14:06:54,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419191028] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:06:54,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431532440] [2022-12-13 14:06:54,194 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 14:06:54,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:06:54,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:06:54,195 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:06:54,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 14:06:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:06:54,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-13 14:06:54,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:06:54,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:06:54,600 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-13 14:06:54,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 44 [2022-12-13 14:06:54,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2022-12-13 14:06:54,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2022-12-13 14:06:54,744 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 14:06:54,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:06:55,043 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:06:55,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 94 treesize of output 139 [2022-12-13 14:06:55,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2022-12-13 14:06:55,274 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 14:06:55,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431532440] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:06:55,275 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:06:55,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 8] total 33 [2022-12-13 14:06:55,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929593570] [2022-12-13 14:06:55,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:06:55,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-13 14:06:55,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:06:55,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-13 14:06:55,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=976, Unknown=1, NotChecked=0, Total=1190 [2022-12-13 14:06:58,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 14:06:59,202 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 382 [2022-12-13 14:06:59,204 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 1157 transitions, 20590 flow. Second operand has 35 states, 35 states have (on average 98.05714285714286) internal successors, (3432), 35 states have internal predecessors, (3432), 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 14:06:59,204 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:06:59,204 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 382 [2022-12-13 14:06:59,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:07:13,567 INFO L130 PetriNetUnfolder]: 22351/39033 cut-off events. [2022-12-13 14:07:13,567 INFO L131 PetriNetUnfolder]: For 823230/823230 co-relation queries the response was YES. [2022-12-13 14:07:13,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337099 conditions, 39033 events. 22351/39033 cut-off events. For 823230/823230 co-relation queries the response was YES. Maximal size of possible extension queue 1987. Compared 343801 event pairs, 1815 based on Foata normal form. 11/39044 useless extension candidates. Maximal degree in co-relation 333976. Up to 22081 conditions per place. [2022-12-13 14:07:14,096 INFO L137 encePairwiseOnDemand]: 367/382 looper letters, 700 selfloop transitions, 875 changer transitions 44/1619 dead transitions. [2022-12-13 14:07:14,096 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 1619 transitions, 31795 flow [2022-12-13 14:07:14,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-13 14:07:14,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2022-12-13 14:07:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 2653 transitions. [2022-12-13 14:07:14,100 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.2671163914619412 [2022-12-13 14:07:14,101 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 2653 transitions. [2022-12-13 14:07:14,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 2653 transitions. [2022-12-13 14:07:14,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:07:14,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 2653 transitions. [2022-12-13 14:07:14,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 102.03846153846153) internal successors, (2653), 26 states have internal predecessors, (2653), 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 14:07:14,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 382.0) internal successors, (10314), 27 states have internal predecessors, (10314), 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 14:07:14,109 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 382.0) internal successors, (10314), 27 states have internal predecessors, (10314), 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 14:07:14,109 INFO L175 Difference]: Start difference. First operand has 280 places, 1157 transitions, 20590 flow. Second operand 26 states and 2653 transitions. [2022-12-13 14:07:14,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 1619 transitions, 31795 flow [2022-12-13 14:07:29,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 304 places, 1619 transitions, 31686 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 14:07:29,209 INFO L231 Difference]: Finished difference. Result has 313 places, 1348 transitions, 26549 flow [2022-12-13 14:07:29,210 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=20517, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=694, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=26549, PETRI_PLACES=313, PETRI_TRANSITIONS=1348} [2022-12-13 14:07:29,210 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 288 predicate places. [2022-12-13 14:07:29,210 INFO L495 AbstractCegarLoop]: Abstraction has has 313 places, 1348 transitions, 26549 flow [2022-12-13 14:07:29,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 98.05714285714286) internal successors, (3432), 35 states have internal predecessors, (3432), 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 14:07:29,211 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:07:29,211 INFO L209 CegarLoopForPetriNet]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:07:29,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 14:07:29,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-12-13 14:07:29,412 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 14:07:29,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:07:29,412 INFO L85 PathProgramCache]: Analyzing trace with hash 2032521239, now seen corresponding path program 8 times [2022-12-13 14:07:29,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:07:29,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101984216] [2022-12-13 14:07:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:07:29,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:07:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:07:31,535 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:07:31,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:07:31,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101984216] [2022-12-13 14:07:31,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101984216] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:07:31,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137700219] [2022-12-13 14:07:31,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:07:31,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:07:31,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:07:31,536 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:07:31,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 14:07:31,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:07:31,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:07:31,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 60 conjunts are in the unsatisfiable core [2022-12-13 14:07:31,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:07:31,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 14:07:31,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:07:31,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 14:07:31,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:07:31,936 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-13 14:07:32,174 INFO L321 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-12-13 14:07:32,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 10 [2022-12-13 14:07:32,218 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 14:07:32,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:07:36,508 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~A~0.offset (* c_~i~0 4))) (.cse3 (* c_~end~0 4))) (and (forall ((v_ArrVal_524 (Array Int Int)) (~queue~0.base Int) (~queue~0.offset Int)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_524))) (let ((.cse0 (select .cse1 ~queue~0.base))) (or (< c_~v_old~0 (+ (select .cse0 (+ (* c_~start~0 4) ~queue~0.offset)) 1)) (not (= (select (select .cse1 c_~A~0.base) .cse2) (select .cse0 (+ .cse3 ~queue~0.offset)))))))) (or (not (= (mod c_~ok~0 256) 0)) (forall ((v_ArrVal_524 (Array Int Int)) (~queue~0.base Int) (~queue~0.offset Int)) (not (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_524))) (= (select (select .cse4 c_~A~0.base) .cse2) (select (select .cse4 ~queue~0.base) (+ .cse3 ~queue~0.offset))))))))) is different from false [2022-12-13 14:07:36,572 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (+ (* c_~i~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (.cse2 (* c_~end~0 4))) (and (or (not (= (mod c_~ok~0 256) 0)) (forall ((v_ArrVal_524 (Array Int Int)) (v_ArrVal_523 (Array Int Int)) (~queue~0.base Int) (~queue~0.offset Int)) (not (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_523) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_524))) (= (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse1) (select (select .cse0 ~queue~0.base) (+ .cse2 ~queue~0.offset))))))) (forall ((v_ArrVal_524 (Array Int Int)) (v_ArrVal_523 (Array Int Int)) (~queue~0.base Int) (~queue~0.offset Int)) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_523) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_524))) (let ((.cse4 (select .cse3 ~queue~0.base))) (or (not (= (select (select .cse3 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) .cse1) (select .cse4 (+ .cse2 ~queue~0.offset)))) (< (select (select |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (+ (select .cse4 (+ (* c_~start~0 4) ~queue~0.offset)) 1)))))))) is different from false [2022-12-13 14:07:36,584 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:07:36,585 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 45 [2022-12-13 14:07:36,598 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:07:36,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 854 treesize of output 746 [2022-12-13 14:07:36,616 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:07:36,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 726 treesize of output 551 [2022-12-13 14:07:36,633 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:07:36,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 534 treesize of output 455 [2022-12-13 14:07:36,899 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:07:36,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 99 treesize of output 74 [2022-12-13 14:07:36,913 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:07:36,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1965 treesize of output 1903 [2022-12-13 14:07:36,980 INFO L321 Elim1Store]: treesize reduction 30, result has 63.9 percent of original size [2022-12-13 14:07:36,980 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 2491 treesize of output 2424 [2022-12-13 14:07:37,031 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:07:37,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2306 treesize of output 2110 [2022-12-13 14:07:37,077 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:07:37,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 2268 treesize of output 1832 [2022-12-13 14:07:57,997 WARN L233 SmtUtils]: Spent 11.19s on a formula simplification. DAG size of input: 6893 DAG size of output: 1 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-13 14:07:57,997 INFO L321 Elim1Store]: treesize reduction 18908, result has 0.0 percent of original size [2022-12-13 14:07:57,997 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 59 select indices, 59 select index equivalence classes, 0 disjoint index pairs (out of 1711 index pairs), introduced 59 new quantified variables, introduced 1711 case distinctions, treesize of input 1771 treesize of output 1 [2022-12-13 14:07:58,364 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:07:58,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 223 treesize of output 607 [2022-12-13 14:08:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 2 not checked. [2022-12-13 14:08:03,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137700219] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:08:03,691 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:08:03,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 8] total 33 [2022-12-13 14:08:03,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763058622] [2022-12-13 14:08:03,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:08:03,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-12-13 14:08:03,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:08:03,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-12-13 14:08:03,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=880, Unknown=3, NotChecked=126, Total=1190 [2022-12-13 14:08:04,042 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 382 [2022-12-13 14:08:04,044 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 1348 transitions, 26549 flow. Second operand has 35 states, 35 states have (on average 100.11428571428571) internal successors, (3504), 35 states have internal predecessors, (3504), 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 14:08:04,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:08:04,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 382 [2022-12-13 14:08:04,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:08:14,006 WARN L233 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 101 DAG size of output: 41 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:08:22,534 WARN L233 SmtUtils]: Spent 8.46s on a formula simplification. DAG size of input: 101 DAG size of output: 41 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:08:36,786 WARN L233 SmtUtils]: Spent 14.07s on a formula simplification. DAG size of input: 101 DAG size of output: 42 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:08:47,958 WARN L233 SmtUtils]: Spent 10.85s on a formula simplification. DAG size of input: 99 DAG size of output: 39 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 14:09:05,816 INFO L130 PetriNetUnfolder]: 25425/44161 cut-off events. [2022-12-13 14:09:05,817 INFO L131 PetriNetUnfolder]: For 1024492/1024492 co-relation queries the response was YES. [2022-12-13 14:09:06,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400174 conditions, 44161 events. 25425/44161 cut-off events. For 1024492/1024492 co-relation queries the response was YES. Maximal size of possible extension queue 2145. Compared 391123 event pairs, 1993 based on Foata normal form. 11/44172 useless extension candidates. Maximal degree in co-relation 399975. Up to 25291 conditions per place. [2022-12-13 14:09:06,457 INFO L137 encePairwiseOnDemand]: 369/382 looper letters, 1038 selfloop transitions, 685 changer transitions 44/1767 dead transitions. [2022-12-13 14:09:06,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 334 places, 1767 transitions, 37389 flow [2022-12-13 14:09:06,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 14:09:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2022-12-13 14:09:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 2388 transitions. [2022-12-13 14:09:06,461 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.2717960391531983 [2022-12-13 14:09:06,461 INFO L72 ComplementDD]: Start complementDD. Operand 23 states and 2388 transitions. [2022-12-13 14:09:06,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 2388 transitions. [2022-12-13 14:09:06,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:09:06,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 23 states and 2388 transitions. [2022-12-13 14:09:06,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 103.82608695652173) internal successors, (2388), 23 states have internal predecessors, (2388), 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 14:09:06,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 24 states, 24 states have (on average 382.0) internal successors, (9168), 24 states have internal predecessors, (9168), 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 14:09:06,469 INFO L81 ComplementDD]: Finished complementDD. Result has 24 states, 24 states have (on average 382.0) internal successors, (9168), 24 states have internal predecessors, (9168), 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 14:09:06,469 INFO L175 Difference]: Start difference. First operand has 313 places, 1348 transitions, 26549 flow. Second operand 23 states and 2388 transitions. [2022-12-13 14:09:06,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 334 places, 1767 transitions, 37389 flow [2022-12-13 14:09:29,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 1767 transitions, 37167 flow, removed 82 selfloop flow, removed 8 redundant places. [2022-12-13 14:09:29,593 INFO L231 Difference]: Finished difference. Result has 331 places, 1481 transitions, 31260 flow [2022-12-13 14:09:29,593 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=26405, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=552, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=748, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=31260, PETRI_PLACES=331, PETRI_TRANSITIONS=1481} [2022-12-13 14:09:29,593 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 306 predicate places. [2022-12-13 14:09:29,594 INFO L495 AbstractCegarLoop]: Abstraction has has 331 places, 1481 transitions, 31260 flow [2022-12-13 14:09:29,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 100.11428571428571) internal successors, (3504), 35 states have internal predecessors, (3504), 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 14:09:29,594 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:09:29,594 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:09:29,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 14:09:29,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 14:09:29,796 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 14:09:29,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:09:29,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2051023720, now seen corresponding path program 2 times [2022-12-13 14:09:29,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:09:29,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128529039] [2022-12-13 14:09:29,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:09:29,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:09:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:09:29,906 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 14:09:29,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:09:29,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128529039] [2022-12-13 14:09:29,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128529039] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:09:29,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769800155] [2022-12-13 14:09:29,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 14:09:29,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:09:29,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:09:29,908 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:09:29,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 14:09:30,009 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 14:09:30,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:09:30,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 14:09:30,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:09:30,075 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 14:09:30,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:09:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 14:09:30,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769800155] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:09:30,128 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:09:30,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2022-12-13 14:09:30,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173497973] [2022-12-13 14:09:30,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:09:30,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-13 14:09:30,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:09:30,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-13 14:09:30,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-12-13 14:09:30,383 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 382 [2022-12-13 14:09:30,384 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 1481 transitions, 31260 flow. Second operand has 15 states, 15 states have (on average 156.46666666666667) internal successors, (2347), 15 states have internal predecessors, (2347), 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 14:09:30,384 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:09:30,384 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 382 [2022-12-13 14:09:30,385 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:09:44,875 INFO L130 PetriNetUnfolder]: 20048/36008 cut-off events. [2022-12-13 14:09:44,876 INFO L131 PetriNetUnfolder]: For 966782/967828 co-relation queries the response was YES. [2022-12-13 14:09:45,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 337977 conditions, 36008 events. 20048/36008 cut-off events. For 966782/967828 co-relation queries the response was YES. Maximal size of possible extension queue 1883. Compared 324355 event pairs, 2015 based on Foata normal form. 409/35844 useless extension candidates. Maximal degree in co-relation 337863. Up to 21182 conditions per place. [2022-12-13 14:09:45,364 INFO L137 encePairwiseOnDemand]: 374/382 looper letters, 1026 selfloop transitions, 149 changer transitions 251/1548 dead transitions. [2022-12-13 14:09:45,364 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 1548 transitions, 34958 flow [2022-12-13 14:09:45,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 14:09:45,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-13 14:09:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1442 transitions. [2022-12-13 14:09:45,366 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.41942990110529377 [2022-12-13 14:09:45,366 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1442 transitions. [2022-12-13 14:09:45,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1442 transitions. [2022-12-13 14:09:45,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:09:45,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1442 transitions. [2022-12-13 14:09:45,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 160.22222222222223) internal successors, (1442), 9 states have internal predecessors, (1442), 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 14:09:45,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 382.0) internal successors, (3820), 10 states have internal predecessors, (3820), 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 14:09:45,370 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 382.0) internal successors, (3820), 10 states have internal predecessors, (3820), 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 14:09:45,370 INFO L175 Difference]: Start difference. First operand has 331 places, 1481 transitions, 31260 flow. Second operand 9 states and 1442 transitions. [2022-12-13 14:09:45,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 1548 transitions, 34958 flow [2022-12-13 14:10:00,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 1548 transitions, 34701 flow, removed 76 selfloop flow, removed 15 redundant places. [2022-12-13 14:10:00,999 INFO L231 Difference]: Finished difference. Result has 320 places, 1215 transitions, 25683 flow [2022-12-13 14:10:00,999 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=27907, PETRI_DIFFERENCE_MINUEND_PLACES=312, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=25683, PETRI_PLACES=320, PETRI_TRANSITIONS=1215} [2022-12-13 14:10:01,000 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 295 predicate places. [2022-12-13 14:10:01,000 INFO L495 AbstractCegarLoop]: Abstraction has has 320 places, 1215 transitions, 25683 flow [2022-12-13 14:10:01,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 156.46666666666667) internal successors, (2347), 15 states have internal predecessors, (2347), 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 14:10:01,000 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:10:01,000 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:01,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 14:10:01,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 14:10:01,201 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 14:10:01,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:01,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1787749370, now seen corresponding path program 3 times [2022-12-13 14:10:01,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:01,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909322770] [2022-12-13 14:10:01,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:01,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:01,414 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-13 14:10:01,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:01,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909322770] [2022-12-13 14:10:01,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909322770] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:10:01,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:10:01,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 14:10:01,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012189307] [2022-12-13 14:10:01,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:10:01,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 14:10:01,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:01,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 14:10:01,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 14:10:01,581 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 382 [2022-12-13 14:10:01,581 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 1215 transitions, 25683 flow. Second operand has 6 states, 6 states have (on average 152.66666666666666) internal successors, (916), 6 states have internal predecessors, (916), 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 14:10:01,581 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:10:01,581 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 382 [2022-12-13 14:10:01,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:10:12,972 INFO L130 PetriNetUnfolder]: 17611/31155 cut-off events. [2022-12-13 14:10:12,972 INFO L131 PetriNetUnfolder]: For 754492/755258 co-relation queries the response was YES. [2022-12-13 14:10:13,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 286497 conditions, 31155 events. 17611/31155 cut-off events. For 754492/755258 co-relation queries the response was YES. Maximal size of possible extension queue 1613. Compared 271392 event pairs, 1460 based on Foata normal form. 119/30833 useless extension candidates. Maximal degree in co-relation 286391. Up to 26460 conditions per place. [2022-12-13 14:10:13,376 INFO L137 encePairwiseOnDemand]: 375/382 looper letters, 829 selfloop transitions, 153 changer transitions 0/1090 dead transitions. [2022-12-13 14:10:13,376 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 1090 transitions, 24682 flow [2022-12-13 14:10:13,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 14:10:13,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 14:10:13,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 934 transitions. [2022-12-13 14:10:13,378 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4075043630017452 [2022-12-13 14:10:13,378 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 934 transitions. [2022-12-13 14:10:13,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 934 transitions. [2022-12-13 14:10:13,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:10:13,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 934 transitions. [2022-12-13 14:10:13,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 155.66666666666666) internal successors, (934), 6 states have internal predecessors, (934), 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 14:10:13,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 382.0) internal successors, (2674), 7 states have internal predecessors, (2674), 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 14:10:13,381 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 382.0) internal successors, (2674), 7 states have internal predecessors, (2674), 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 14:10:13,381 INFO L175 Difference]: Start difference. First operand has 320 places, 1215 transitions, 25683 flow. Second operand 6 states and 934 transitions. [2022-12-13 14:10:13,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 1090 transitions, 24682 flow [2022-12-13 14:10:22,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 1090 transitions, 23953 flow, removed 14 selfloop flow, removed 15 redundant places. [2022-12-13 14:10:22,342 INFO L231 Difference]: Finished difference. Result has 288 places, 1077 transitions, 22216 flow [2022-12-13 14:10:22,342 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=21910, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1077, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=924, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=22216, PETRI_PLACES=288, PETRI_TRANSITIONS=1077} [2022-12-13 14:10:22,342 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 263 predicate places. [2022-12-13 14:10:22,342 INFO L495 AbstractCegarLoop]: Abstraction has has 288 places, 1077 transitions, 22216 flow [2022-12-13 14:10:22,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 152.66666666666666) internal successors, (916), 6 states have internal predecessors, (916), 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 14:10:22,343 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:10:22,343 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:22,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 14:10:22,343 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 14:10:22,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:22,344 INFO L85 PathProgramCache]: Analyzing trace with hash 661675637, now seen corresponding path program 9 times [2022-12-13 14:10:22,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:22,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482343378] [2022-12-13 14:10:22,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:22,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:22,465 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 14:10:22,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:22,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482343378] [2022-12-13 14:10:22,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482343378] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:22,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306908318] [2022-12-13 14:10:22,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 14:10:22,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:22,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:22,467 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:22,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 14:10:22,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-12-13 14:10:22,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:10:22,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-13 14:10:22,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 14:10:22,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:10:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 14:10:22,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306908318] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 14:10:22,881 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 14:10:22,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2022-12-13 14:10:22,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145063705] [2022-12-13 14:10:22,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 14:10:22,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-13 14:10:22,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:10:22,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-13 14:10:22,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2022-12-13 14:10:23,220 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 382 [2022-12-13 14:10:23,222 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 1077 transitions, 22216 flow. Second operand has 16 states, 16 states have (on average 156.625) internal successors, (2506), 16 states have internal predecessors, (2506), 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 14:10:23,222 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:10:23,222 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 382 [2022-12-13 14:10:23,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:10:29,221 INFO L130 PetriNetUnfolder]: 9832/17669 cut-off events. [2022-12-13 14:10:29,221 INFO L131 PetriNetUnfolder]: For 453324/453755 co-relation queries the response was YES. [2022-12-13 14:10:29,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168859 conditions, 17669 events. 9832/17669 cut-off events. For 453324/453755 co-relation queries the response was YES. Maximal size of possible extension queue 904. Compared 143397 event pairs, 2977 based on Foata normal form. 337/17819 useless extension candidates. Maximal degree in co-relation 168760. Up to 12988 conditions per place. [2022-12-13 14:10:29,459 INFO L137 encePairwiseOnDemand]: 377/382 looper letters, 541 selfloop transitions, 3 changer transitions 288/893 dead transitions. [2022-12-13 14:10:29,460 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 893 transitions, 20644 flow [2022-12-13 14:10:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 14:10:29,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-13 14:10:29,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1125 transitions. [2022-12-13 14:10:29,461 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4207180254300673 [2022-12-13 14:10:29,461 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1125 transitions. [2022-12-13 14:10:29,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1125 transitions. [2022-12-13 14:10:29,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:10:29,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1125 transitions. [2022-12-13 14:10:29,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 160.71428571428572) internal successors, (1125), 7 states have internal predecessors, (1125), 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 14:10:29,464 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 382.0) internal successors, (3056), 8 states have internal predecessors, (3056), 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 14:10:29,464 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 382.0) internal successors, (3056), 8 states have internal predecessors, (3056), 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 14:10:29,464 INFO L175 Difference]: Start difference. First operand has 288 places, 1077 transitions, 22216 flow. Second operand 7 states and 1125 transitions. [2022-12-13 14:10:29,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 893 transitions, 20644 flow [2022-12-13 14:10:33,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 893 transitions, 19335 flow, removed 148 selfloop flow, removed 25 redundant places. [2022-12-13 14:10:33,446 INFO L231 Difference]: Finished difference. Result has 254 places, 605 transitions, 11710 flow [2022-12-13 14:10:33,447 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=16681, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=836, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=833, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=11710, PETRI_PLACES=254, PETRI_TRANSITIONS=605} [2022-12-13 14:10:33,447 INFO L288 CegarLoopForPetriNet]: 25 programPoint places, 229 predicate places. [2022-12-13 14:10:33,447 INFO L495 AbstractCegarLoop]: Abstraction has has 254 places, 605 transitions, 11710 flow [2022-12-13 14:10:33,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 156.625) internal successors, (2506), 16 states have internal predecessors, (2506), 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 14:10:33,448 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:10:33,448 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:10:33,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-12-13 14:10:33,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 14:10:33,649 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 14:10:33,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:10:33,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1159718206, now seen corresponding path program 10 times [2022-12-13 14:10:33,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:10:33,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222587882] [2022-12-13 14:10:33,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:10:33,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:10:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:10:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 14:10:34,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:10:34,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222587882] [2022-12-13 14:10:34,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222587882] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 14:10:34,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939122990] [2022-12-13 14:10:34,800 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 14:10:34,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 14:10:34,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:10:34,801 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 14:10:34,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a947574c-fc76-48a6-a5a3-70da31ecea2e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 14:10:34,890 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 14:10:34,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 14:10:34,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 60 conjunts are in the unsatisfiable core [2022-12-13 14:10:34,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:10:35,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 14:10:35,301 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-12-13 14:10:35,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 53 [2022-12-13 14:10:35,321 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 18 [2022-12-13 14:10:36,132 INFO L321 Elim1Store]: treesize reduction 37, result has 57.5 percent of original size [2022-12-13 14:10:36,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 65 [2022-12-13 14:10:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-13 14:10:36,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 14:10:37,733 INFO L321 Elim1Store]: treesize reduction 19, result has 95.7 percent of original size [2022-12-13 14:10:37,734 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 573 treesize of output 767 [2022-12-13 14:10:37,805 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:10:37,806 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 342 treesize of output 374 [2022-12-13 14:10:37,860 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:10:37,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 297 treesize of output 307 [2022-12-13 14:10:37,898 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-13 14:10:37,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 259 treesize of output 245 [2022-12-13 14:10:45,222 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:10:45,655 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:10:45,926 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:10:46,075 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:10:46,512 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:10:47,726 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:10:49,420 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:10:52,851 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:10:53,337 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:10:53,859 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:10:54,459 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:10:55,717 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:10:56,483 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:00,048 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:00,826 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:01,437 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:02,106 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:02,911 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:11:04,691 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:05,600 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:09,843 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:11,485 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:12,387 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:13,243 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:14,271 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:11:16,556 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:17,653 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:22,705 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:23,048 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:23,729 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:25,370 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:27,124 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:30,564 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:31,184 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:31,438 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:11:32,423 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:33,000 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:38,801 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:41,613 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:43,611 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:44,676 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:11:44,848 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:44,978 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:45,211 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:45,470 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:45,779 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:11:46,485 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:46,841 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:48,735 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:49,871 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:50,100 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:50,378 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:50,751 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:51,073 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:11:52,094 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:52,307 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:52,835 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:53,847 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:53,962 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:54,073 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:54,408 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:11:55,218 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:55,333 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:57,090 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:58,457 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:58,582 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:58,706 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:11:59,088 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:12:00,960 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:01,234 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:01,973 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:03,476 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:03,628 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:03,788 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:04,254 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:12:07,266 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:07,607 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:08,593 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:10,489 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:10,694 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:10,890 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:11,413 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:12:15,938 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:16,336 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:17,454 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:19,580 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:19,787 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:20,000 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:20,628 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:12:25,425 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:26,603 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:27,463 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:27,691 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:27,933 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:30,276 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:31,092 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:31,406 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:31,656 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:31,729 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:31,806 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:33,443 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:35,244 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:35,495 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:35,727 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:35,839 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:36,204 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:37,299 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:37,420 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:37,925 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:39,503 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:39,648 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:12:40,176 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:40,630 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:41,287 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:41,439 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:43,006 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:43,162 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:43,563 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:43,840 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:12:44,391 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:48,642 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:49,038 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:50,163 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:54,745 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:54,931 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:55,450 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:55,798 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:12:58,315 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:12:58,752 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:00,061 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:05,238 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:05,508 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:06,223 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:06,665 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:13:10,050 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:10,600 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:12,172 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:18,644 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:18,981 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:19,781 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:20,291 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:13:24,994 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:25,596 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:27,351 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:35,152 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:35,562 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:36,547 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:37,277 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:13:42,788 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:43,867 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:44,869 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:51,050 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:13:51,586 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:53,384 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:53,554 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:13:54,693 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:13:55,011 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:02,015 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:02,519 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:03,614 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:04,082 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:08,283 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:12,183 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:15,939 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:18,769 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:34,358 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:14:35,506 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:39,136 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:39,530 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:42,884 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:43,187 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:47,207 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:48,194 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:48,263 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:48,334 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:48,463 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:14:48,718 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:48,880 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:49,304 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:50,464 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:50,568 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:51,484 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:51,594 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:14:52,494 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:52,601 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:52,755 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:52,894 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:54,027 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:54,548 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:14:54,928 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:55,350 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:55,635 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:55,965 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:57,231 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:14:57,569 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:58,220 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:14:58,835 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:01,726 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:01,924 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:02,113 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:02,622 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:15:03,513 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:04,082 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:05,435 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:05,599 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:05,763 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:05,924 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:15:06,553 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:10,580 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:10,792 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:14,530 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:19,063 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:19,345 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:19,601 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:19,912 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:15:22,128 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:22,649 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:23,928 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:28,244 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:28,505 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:28,753 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:29,003 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:15:33,867 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:34,204 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:37,203 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:38,151 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:38,760 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:39,070 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:15:40,556 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:45,422 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:47,515 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:47,768 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:47,847 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:47,927 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:49,771 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:51,029 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:51,934 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:52,545 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:52,739 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:52,935 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:56,751 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:57,493 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:57,911 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:58,197 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:58,537 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:15:59,795 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:16:00,112 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:00,839 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:01,481 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:04,524 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:04,706 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:04,892 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:05,402 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:16:06,353 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:06,997 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:08,520 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:08,702 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:08,873 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:09,058 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:16:09,746 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:13,830 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:14,688 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:15,508 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:20,404 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:20,666 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:20,961 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:21,648 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:16:23,213 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:24,412 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:25,424 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:30,284 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:30,592 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:30,881 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:31,659 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:16:34,726 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:35,913 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:37,021 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:42,197 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:42,509 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:42,815 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:43,618 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:16:47,919 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:48,036 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:48,189 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:48,844 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:48,896 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:48,952 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:49,006 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:16:49,414 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:49,613 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:49,870 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:50,866 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:50,939 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:51,013 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:51,084 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:16:51,235 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:51,532 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:51,922 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:52,168 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:52,251 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:16:52,614 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:52,927 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:53,331 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:54,827 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:54,928 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:55,029 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:55,130 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:16:56,116 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:56,534 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:57,064 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:59,095 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:59,226 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:59,360 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:16:59,498 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:17:00,570 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:01,069 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:01,580 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:03,441 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:03,567 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:03,688 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:03,811 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:17:05,036 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:05,137 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:05,702 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:06,592 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:06,659 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:06,727 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:06,931 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:17:07,434 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:07,584 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:08,218 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:08,601 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:08,825 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:08,919 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:09,122 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:17:09,946 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:10,155 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:11,253 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:12,574 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:12,977 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:13,101 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:13,486 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:17:14,404 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:14,517 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:15,448 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:15,883 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:16,108 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2022-12-13 14:17:16,405 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:16,654 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:18,174 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:19,662 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:20,169 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:20,332 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2022-12-13 14:17:20,827 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.