./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa --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 fd310154a8f082280317f3bf1f868dbee13522304c8e13d29736e7fb8b36c7cf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:15:31,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:15:31,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:15:31,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:15:31,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:15:31,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:15:31,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:15:31,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:15:31,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:15:31,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:15:31,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:15:31,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:15:31,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:15:31,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:15:31,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:15:31,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:15:31,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:15:31,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:15:31,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:15:31,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:15:31,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:15:31,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:15:31,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:15:31,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:15:31,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:15:31,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:15:31,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:15:31,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:15:31,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:15:31,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:15:31,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:15:31,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:15:31,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:15:31,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:15:31,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:15:31,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:15:31,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:15:31,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:15:31,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:15:31,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:15:31,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:15:31,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 17:15:31,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:15:31,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:15:31,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:15:31,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:15:31,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:15:31,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:15:31,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:15:31,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:15:31,811 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:15:31,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:15:31,811 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:15:31,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:15:31,812 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:15:31,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:15:31,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:15:31,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:15:31,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:15:31,812 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:15:31,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:15:31,812 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:15:31,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:15:31,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:15:31,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:15:31,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:15:31,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:15:31,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:15:31,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:15:31,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:15:31,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:15:31,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:15:31,814 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:15:31,814 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:15:31,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:15:31,814 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:15:31,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd310154a8f082280317f3bf1f868dbee13522304c8e13d29736e7fb8b36c7cf [2021-12-06 17:15:32,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:15:32,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:15:32,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:15:32,024 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:15:32,024 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:15:32,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i [2021-12-06 17:15:32,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/data/e9d5e4916/c1bba8faf6334e1fb446d435fdbbc1f3/FLAG5b631e725 [2021-12-06 17:15:32,485 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:15:32,485 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i [2021-12-06 17:15:32,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/data/e9d5e4916/c1bba8faf6334e1fb446d435fdbbc1f3/FLAG5b631e725 [2021-12-06 17:15:32,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/data/e9d5e4916/c1bba8faf6334e1fb446d435fdbbc1f3 [2021-12-06 17:15:32,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:15:32,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:15:32,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:15:32,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:15:32,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:15:32,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f182e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32, skipping insertion in model container [2021-12-06 17:15:32,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:15:32,546 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:15:32,761 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855] [2021-12-06 17:15:32,764 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980] [2021-12-06 17:15:32,765 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095] [2021-12-06 17:15:32,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:15:32,774 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:15:32,808 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855] [2021-12-06 17:15:32,809 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980] [2021-12-06 17:15:32,809 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095] [2021-12-06 17:15:32,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:15:32,833 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:15:32,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32 WrapperNode [2021-12-06 17:15:32,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:15:32,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:15:32,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:15:32,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:15:32,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,880 INFO L137 Inliner]: procedures = 139, calls = 56, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 128 [2021-12-06 17:15:32,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:15:32,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:15:32,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:15:32,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:15:32,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:15:32,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:15:32,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:15:32,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:15:32,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (1/1) ... [2021-12-06 17:15:32,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:15:32,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:15:32,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:15:32,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:15:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-12-06 17:15:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-12-06 17:15:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:15:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 17:15:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 17:15:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:15:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:15:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2021-12-06 17:15:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2021-12-06 17:15:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:15:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:15:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:15:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:15:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2021-12-06 17:15:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2021-12-06 17:15:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:15:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:15:33,063 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:15:33,064 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:15:33,226 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:15:33,233 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:15:33,233 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 17:15:33,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:15:33 BoogieIcfgContainer [2021-12-06 17:15:33,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:15:33,237 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:15:33,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:15:33,240 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:15:33,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:15:32" (1/3) ... [2021-12-06 17:15:33,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce52751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:15:33, skipping insertion in model container [2021-12-06 17:15:33,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:15:32" (2/3) ... [2021-12-06 17:15:33,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ce52751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:15:33, skipping insertion in model container [2021-12-06 17:15:33,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:15:33" (3/3) ... [2021-12-06 17:15:33,243 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex_unlock_at_exit.i [2021-12-06 17:15:33,248 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:15:33,248 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-06 17:15:33,288 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:15:33,295 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:15:33,295 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-06 17:15:33,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 52 states have internal predecessors, (63), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 17:15:33,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 17:15:33,314 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:15:33,315 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:15:33,315 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:15:33,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:15:33,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1577806477, now seen corresponding path program 1 times [2021-12-06 17:15:33,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:15:33,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942941056] [2021-12-06 17:15:33,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:33,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:15:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:15:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 17:15:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,489 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:15:33,489 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:15:33,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942941056] [2021-12-06 17:15:33,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942941056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:15:33,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:15:33,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:15:33,491 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445247071] [2021-12-06 17:15:33,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:15:33,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:15:33,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:15:33,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:15:33,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:15:33,517 INFO L87 Difference]: Start difference. First operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 52 states have internal predecessors, (63), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 17:15:33,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:15:33,571 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions. [2021-12-06 17:15:33,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:15:33,573 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2021-12-06 17:15:33,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:15:33,580 INFO L225 Difference]: With dead ends: 131 [2021-12-06 17:15:33,580 INFO L226 Difference]: Without dead ends: 64 [2021-12-06 17:15:33,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:15:33,585 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 21 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:15:33,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 109 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:15:33,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-12-06 17:15:33,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2021-12-06 17:15:33,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 47 states have internal predecessors, (52), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 17:15:33,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2021-12-06 17:15:33,619 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 28 [2021-12-06 17:15:33,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:15:33,620 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2021-12-06 17:15:33,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 17:15:33,620 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2021-12-06 17:15:33,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 17:15:33,621 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:15:33,621 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:15:33,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:15:33,622 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:15:33,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:15:33,622 INFO L85 PathProgramCache]: Analyzing trace with hash -109345869, now seen corresponding path program 1 times [2021-12-06 17:15:33,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:15:33,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002784898] [2021-12-06 17:15:33,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:33,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:15:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:15:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 17:15:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:15:33,730 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:15:33,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002784898] [2021-12-06 17:15:33,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002784898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:15:33,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:15:33,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:15:33,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940396901] [2021-12-06 17:15:33,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:15:33,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:15:33,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:15:33,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:15:33,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:15:33,732 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:15:33,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:15:33,816 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2021-12-06 17:15:33,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 17:15:33,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2021-12-06 17:15:33,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:15:33,818 INFO L225 Difference]: With dead ends: 70 [2021-12-06 17:15:33,818 INFO L226 Difference]: Without dead ends: 68 [2021-12-06 17:15:33,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:15:33,820 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 23 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:15:33,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 206 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:15:33,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-12-06 17:15:33,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 65. [2021-12-06 17:15:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 50 states have internal predecessors, (55), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (12), 10 states have call predecessors, (12), 9 states have call successors, (12) [2021-12-06 17:15:33,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2021-12-06 17:15:33,830 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 76 transitions. Word has length 28 [2021-12-06 17:15:33,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:15:33,831 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 76 transitions. [2021-12-06 17:15:33,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:15:33,831 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2021-12-06 17:15:33,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-06 17:15:33,832 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:15:33,832 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:15:33,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:15:33,832 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:15:33,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:15:33,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1465257436, now seen corresponding path program 1 times [2021-12-06 17:15:33,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:15:33,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101738735] [2021-12-06 17:15:33,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:33,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:15:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:15:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-06 17:15:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:15:33,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:15:33,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101738735] [2021-12-06 17:15:33,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101738735] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:15:33,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:15:33,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:15:33,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757847018] [2021-12-06 17:15:33,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:15:33,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:15:33,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:15:33,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:15:33,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:15:33,963 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:15:34,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:15:34,237 INFO L93 Difference]: Finished difference Result 186 states and 229 transitions. [2021-12-06 17:15:34,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:15:34,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2021-12-06 17:15:34,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:15:34,240 INFO L225 Difference]: With dead ends: 186 [2021-12-06 17:15:34,240 INFO L226 Difference]: Without dead ends: 129 [2021-12-06 17:15:34,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:15:34,243 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 120 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:15:34,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 258 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:15:34,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-12-06 17:15:34,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2021-12-06 17:15:34,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 72 states have (on average 1.1527777777777777) internal successors, (83), 77 states have internal predecessors, (83), 14 states have call successors, (14), 7 states have call predecessors, (14), 10 states have return successors, (21), 14 states have call predecessors, (21), 14 states have call successors, (21) [2021-12-06 17:15:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 118 transitions. [2021-12-06 17:15:34,263 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 118 transitions. Word has length 28 [2021-12-06 17:15:34,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:15:34,263 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 118 transitions. [2021-12-06 17:15:34,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:15:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2021-12-06 17:15:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-06 17:15:34,265 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:15:34,265 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:15:34,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:15:34,266 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:15:34,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:15:34,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1566335676, now seen corresponding path program 1 times [2021-12-06 17:15:34,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:15:34,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382464544] [2021-12-06 17:15:34,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:34,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:15:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:34,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:15:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:15:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:34,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:15:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:15:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 17:15:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 17:15:35,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:15:35,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382464544] [2021-12-06 17:15:35,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382464544] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:15:35,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464310426] [2021-12-06 17:15:35,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:35,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:15:35,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:15:35,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:15:35,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 17:15:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:35,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 193 conjunts are in the unsatisfiable core [2021-12-06 17:15:35,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:15:35,634 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 17:15:35,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-12-06 17:15:35,838 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-12-06 17:15:35,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-12-06 17:15:35,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:35,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:39,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:39,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:39,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:39,085 INFO L354 Elim1Store]: treesize reduction 168, result has 22.9 percent of original size [2021-12-06 17:15:39,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 176 treesize of output 122 [2021-12-06 17:15:39,098 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:15:39,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 239 treesize of output 184 [2021-12-06 17:15:39,124 INFO L354 Elim1Store]: treesize reduction 20, result has 47.4 percent of original size [2021-12-06 17:15:39,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 158 treesize of output 123 [2021-12-06 17:15:39,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:39,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:39,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 23 [2021-12-06 17:15:39,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 37 treesize of output 40 [2021-12-06 17:15:39,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:39,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 92 [2021-12-06 17:15:39,178 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:15:39,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 29 [2021-12-06 17:15:39,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:15:39,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:39,208 INFO L354 Elim1Store]: treesize reduction 8, result has 74.2 percent of original size [2021-12-06 17:15:39,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 35 [2021-12-06 17:15:39,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 40 treesize of output 32 [2021-12-06 17:15:39,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:39,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 23 [2021-12-06 17:15:39,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 9 [2021-12-06 17:15:40,229 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 17:15:40,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:15:41,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464310426] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:15:41,711 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:15:41,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29] total 59 [2021-12-06 17:15:41,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319544822] [2021-12-06 17:15:41,711 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:15:41,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2021-12-06 17:15:41,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:15:41,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-12-06 17:15:41,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=4016, Unknown=25, NotChecked=0, Total=4290 [2021-12-06 17:15:41,714 INFO L87 Difference]: Start difference. First operand 99 states and 118 transitions. Second operand has 59 states, 48 states have (on average 1.7291666666666667) internal successors, (83), 41 states have internal predecessors, (83), 16 states have call successors, (18), 12 states have call predecessors, (18), 14 states have return successors, (16), 15 states have call predecessors, (16), 14 states have call successors, (16) [2021-12-06 17:15:47,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:15:47,647 INFO L93 Difference]: Finished difference Result 212 states and 245 transitions. [2021-12-06 17:15:47,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-12-06 17:15:47,648 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 48 states have (on average 1.7291666666666667) internal successors, (83), 41 states have internal predecessors, (83), 16 states have call successors, (18), 12 states have call predecessors, (18), 14 states have return successors, (16), 15 states have call predecessors, (16), 14 states have call successors, (16) Word has length 63 [2021-12-06 17:15:47,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:15:47,650 INFO L225 Difference]: With dead ends: 212 [2021-12-06 17:15:47,650 INFO L226 Difference]: Without dead ends: 155 [2021-12-06 17:15:47,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1509 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=560, Invalid=7241, Unknown=31, NotChecked=0, Total=7832 [2021-12-06 17:15:47,655 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 293 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 1670 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 2285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 451 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:15:47,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 1750 Invalid, 2285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1670 Invalid, 0 Unknown, 451 Unchecked, 1.0s Time] [2021-12-06 17:15:47,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-12-06 17:15:47,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 117. [2021-12-06 17:15:47,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 86 states have (on average 1.1627906976744187) internal successors, (100), 91 states have internal predecessors, (100), 15 states have call successors, (15), 9 states have call predecessors, (15), 13 states have return successors, (24), 16 states have call predecessors, (24), 15 states have call successors, (24) [2021-12-06 17:15:47,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 139 transitions. [2021-12-06 17:15:47,681 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 139 transitions. Word has length 63 [2021-12-06 17:15:47,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:15:47,682 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 139 transitions. [2021-12-06 17:15:47,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 48 states have (on average 1.7291666666666667) internal successors, (83), 41 states have internal predecessors, (83), 16 states have call successors, (18), 12 states have call predecessors, (18), 14 states have return successors, (16), 15 states have call predecessors, (16), 14 states have call successors, (16) [2021-12-06 17:15:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 139 transitions. [2021-12-06 17:15:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-06 17:15:47,685 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:15:47,686 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:15:47,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:15:47,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:15:47,886 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:15:47,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:15:47,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1979205398, now seen corresponding path program 1 times [2021-12-06 17:15:47,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:15:47,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973264150] [2021-12-06 17:15:47,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:47,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:15:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:15:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:47,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:15:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:47,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:47,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:47,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 17:15:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:47,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 17:15:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-06 17:15:47,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:15:47,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973264150] [2021-12-06 17:15:47,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973264150] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:15:47,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605290155] [2021-12-06 17:15:47,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:47,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:15:47,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:15:47,986 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:15:47,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 17:15:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 17:15:48,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:15:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-06 17:15:48,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:15:48,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605290155] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:15:48,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:15:48,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2021-12-06 17:15:48,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108021328] [2021-12-06 17:15:48,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:15:48,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:15:48,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:15:48,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:15:48,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:15:48,145 INFO L87 Difference]: Start difference. First operand 117 states and 139 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 17:15:48,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:15:48,162 INFO L93 Difference]: Finished difference Result 202 states and 240 transitions. [2021-12-06 17:15:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:15:48,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 71 [2021-12-06 17:15:48,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:15:48,165 INFO L225 Difference]: With dead ends: 202 [2021-12-06 17:15:48,165 INFO L226 Difference]: Without dead ends: 125 [2021-12-06 17:15:48,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:15:48,167 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:15:48,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 200 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:15:48,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-12-06 17:15:48,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2021-12-06 17:15:48,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 92 states have (on average 1.1521739130434783) internal successors, (106), 97 states have internal predecessors, (106), 15 states have call successors, (15), 9 states have call predecessors, (15), 15 states have return successors, (27), 18 states have call predecessors, (27), 15 states have call successors, (27) [2021-12-06 17:15:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 148 transitions. [2021-12-06 17:15:48,183 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 148 transitions. Word has length 71 [2021-12-06 17:15:48,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:15:48,184 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 148 transitions. [2021-12-06 17:15:48,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 17:15:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 148 transitions. [2021-12-06 17:15:48,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-06 17:15:48,186 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:15:48,186 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:15:48,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 17:15:48,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:15:48,387 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:15:48,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:15:48,387 INFO L85 PathProgramCache]: Analyzing trace with hash 2093878652, now seen corresponding path program 1 times [2021-12-06 17:15:48,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:15:48,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003200414] [2021-12-06 17:15:48,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:48,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:15:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:15:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:15:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-06 17:15:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 17:15:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,598 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 17:15:48,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:15:48,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003200414] [2021-12-06 17:15:48,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003200414] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:15:48,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694381747] [2021-12-06 17:15:48,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:48,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:15:48,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:15:48,599 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:15:48,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 17:15:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:48,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 39 conjunts are in the unsatisfiable core [2021-12-06 17:15:48,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:15:48,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:48,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:49,068 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-06 17:15:49,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:15:49,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [694381747] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:15:49,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:15:49,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 20 [2021-12-06 17:15:49,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437061135] [2021-12-06 17:15:49,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:15:49,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:15:49,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:15:49,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:15:49,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:15:49,070 INFO L87 Difference]: Start difference. First operand 125 states and 148 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2021-12-06 17:15:49,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:15:49,443 INFO L93 Difference]: Finished difference Result 269 states and 316 transitions. [2021-12-06 17:15:49,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 17:15:49,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 71 [2021-12-06 17:15:49,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:15:49,445 INFO L225 Difference]: With dead ends: 269 [2021-12-06 17:15:49,445 INFO L226 Difference]: Without dead ends: 140 [2021-12-06 17:15:49,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=752, Unknown=0, NotChecked=0, Total=930 [2021-12-06 17:15:49,447 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 155 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:15:49,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 216 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:15:49,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-12-06 17:15:49,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 123. [2021-12-06 17:15:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 92 states have (on average 1.1304347826086956) internal successors, (104), 96 states have internal predecessors, (104), 14 states have call successors, (14), 10 states have call predecessors, (14), 14 states have return successors, (23), 16 states have call predecessors, (23), 14 states have call successors, (23) [2021-12-06 17:15:49,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2021-12-06 17:15:49,460 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 71 [2021-12-06 17:15:49,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:15:49,461 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2021-12-06 17:15:49,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2021-12-06 17:15:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2021-12-06 17:15:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-06 17:15:49,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:15:49,462 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:15:49,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 17:15:49,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-06 17:15:49,663 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:15:49,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:15:49,665 INFO L85 PathProgramCache]: Analyzing trace with hash -818250910, now seen corresponding path program 1 times [2021-12-06 17:15:49,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:15:49,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598195053] [2021-12-06 17:15:49,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:49,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:15:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:49,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:15:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:49,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:15:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:50,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:15:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:15:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:15:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:50,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:15:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:50,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 17:15:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 17:15:50,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:15:50,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598195053] [2021-12-06 17:15:50,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598195053] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:15:50,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403371] [2021-12-06 17:15:50,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:15:50,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:15:50,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:15:50,351 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:15:50,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 17:15:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:15:50,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 185 conjunts are in the unsatisfiable core [2021-12-06 17:15:50,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:15:50,721 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 17:15:50,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 21 [2021-12-06 17:15:50,960 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 17:15:50,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-12-06 17:15:50,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:50,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:51,578 INFO L354 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2021-12-06 17:15:51,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 200 treesize of output 146 [2021-12-06 17:15:51,616 INFO L354 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2021-12-06 17:15:51,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 138 treesize of output 129 [2021-12-06 17:15:51,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 66 treesize of output 69 [2021-12-06 17:15:51,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 63 treesize of output 63 [2021-12-06 17:15:51,689 INFO L354 Elim1Store]: treesize reduction 74, result has 49.0 percent of original size [2021-12-06 17:15:51,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 94 treesize of output 161 [2021-12-06 17:15:51,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:51,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 40 treesize of output 31 [2021-12-06 17:15:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:51,980 INFO L354 Elim1Store]: treesize reduction 42, result has 27.6 percent of original size [2021-12-06 17:15:51,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 168 treesize of output 156 [2021-12-06 17:15:51,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:52,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:52,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:52,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:52,331 INFO L354 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2021-12-06 17:15:52,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 13 [2021-12-06 17:15:52,373 INFO L354 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2021-12-06 17:15:52,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 13 [2021-12-06 17:15:52,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:52,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:52,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:52,868 INFO L354 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2021-12-06 17:15:52,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 74 [2021-12-06 17:15:52,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:15:52,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2021-12-06 17:15:53,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:53,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:15:53,015 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 17:15:53,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 64 [2021-12-06 17:15:53,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:53,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:15:53,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:53,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:53,126 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-06 17:15:53,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 85 [2021-12-06 17:15:53,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:53,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:53,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:53,403 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-12-06 17:15:53,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 52 [2021-12-06 17:15:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:53,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2021-12-06 17:15:53,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:53,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:15:53,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:53,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-12-06 17:15:53,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:15:53,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:53,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:53,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:15:53,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:53,781 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:15:53,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 34 treesize of output 24 [2021-12-06 17:15:53,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:53,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:15:53,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:53,979 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:15:53,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:54,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 17:15:54,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:54,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:15:54,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:54,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:54,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:54,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-12-06 17:15:54,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:15:54,284 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:15:54,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:54,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 17:15:54,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:54,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:54,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-12-06 17:15:54,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:54,450 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 17:15:54,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 28 [2021-12-06 17:15:54,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:54,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:54,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-12-06 17:15:54,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:15:54,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 30 [2021-12-06 17:15:54,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 30 [2021-12-06 17:15:54,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 16 [2021-12-06 17:15:55,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 30 [2021-12-06 17:15:55,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 30 [2021-12-06 17:15:55,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 16 [2021-12-06 17:15:55,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 30 [2021-12-06 17:15:55,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 30 [2021-12-06 17:15:55,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 16 [2021-12-06 17:15:55,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 30 [2021-12-06 17:15:55,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 30 [2021-12-06 17:15:55,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 16 [2021-12-06 17:15:56,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 30 [2021-12-06 17:15:56,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 30 [2021-12-06 17:15:56,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 16 [2021-12-06 17:15:56,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:56,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 226 [2021-12-06 17:15:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:56,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:56,394 INFO L354 Elim1Store]: treesize reduction 176, result has 0.6 percent of original size [2021-12-06 17:15:56,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 314 treesize of output 306 [2021-12-06 17:15:56,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:56,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 289 treesize of output 253 [2021-12-06 17:15:56,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2021-12-06 17:15:56,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 22 treesize of output 18 [2021-12-06 17:15:56,427 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:15:56,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 298 treesize of output 257 [2021-12-06 17:15:56,433 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:15:56,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 276 treesize of output 241 [2021-12-06 17:15:56,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 221 treesize of output 189 [2021-12-06 17:15:56,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 15 [2021-12-06 17:15:56,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 23 treesize of output 31 [2021-12-06 17:15:56,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:56,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 17:15:56,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:15:56,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 24 [2021-12-06 17:15:56,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-06 17:15:57,043 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:15:57,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:15:58,934 INFO L354 Elim1Store]: treesize reduction 34, result has 68.5 percent of original size [2021-12-06 17:15:58,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 619 treesize of output 363 [2021-12-06 17:15:59,068 INFO L354 Elim1Store]: treesize reduction 90, result has 51.1 percent of original size [2021-12-06 17:15:59,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 343 treesize of output 348 [2021-12-06 17:15:59,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:15:59,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 217 treesize of output 218 [2021-12-06 17:15:59,094 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:15:59,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 211 treesize of output 215 [2021-12-06 17:15:59,123 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:15:59,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 334 treesize of output 356 [2021-12-06 17:15:59,142 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:15:59,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 307 treesize of output 311 [2021-12-06 17:15:59,159 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:15:59,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 305 treesize of output 307 [2021-12-06 17:16:01,986 INFO L354 Elim1Store]: treesize reduction 80, result has 42.0 percent of original size [2021-12-06 17:16:01,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 78 treesize of output 99 [2021-12-06 17:16:01,998 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:01,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 52 treesize of output 56 [2021-12-06 17:16:02,259 INFO L354 Elim1Store]: treesize reduction 118, result has 22.9 percent of original size [2021-12-06 17:16:02,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 180 treesize of output 177 [2021-12-06 17:16:02,278 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-12-06 17:16:02,287 INFO L354 Elim1Store]: treesize reduction 7, result has 58.8 percent of original size [2021-12-06 17:16:02,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 29 treesize of output 26 [2021-12-06 17:16:02,312 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:02,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 215 treesize of output 223 [2021-12-06 17:16:02,786 INFO L354 Elim1Store]: treesize reduction 80, result has 42.0 percent of original size [2021-12-06 17:16:02,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 171 treesize of output 203 [2021-12-06 17:16:02,804 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:02,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 52 treesize of output 56 [2021-12-06 17:16:02,849 INFO L354 Elim1Store]: treesize reduction 80, result has 42.0 percent of original size [2021-12-06 17:16:02,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 190 treesize of output 211 [2021-12-06 17:16:02,893 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:02,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 52 treesize of output 56 [2021-12-06 17:16:02,961 INFO L354 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2021-12-06 17:16:02,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 202 treesize of output 226 [2021-12-06 17:16:02,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 4 [2021-12-06 17:16:02,996 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:02,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 83 treesize of output 76 [2021-12-06 17:16:03,116 INFO L354 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2021-12-06 17:16:03,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 367 treesize of output 391 [2021-12-06 17:16:03,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 4 [2021-12-06 17:16:03,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 4 [2021-12-06 17:16:03,230 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:03,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 345 treesize of output 338 [2021-12-06 17:16:03,557 INFO L354 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2021-12-06 17:16:03,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 90 treesize of output 114 [2021-12-06 17:16:03,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 4 [2021-12-06 17:16:03,579 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:03,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 83 treesize of output 76 [2021-12-06 17:16:03,696 INFO L354 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2021-12-06 17:16:03,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 183 treesize of output 218 [2021-12-06 17:16:03,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 4 [2021-12-06 17:16:03,739 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:03,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 83 treesize of output 76 [2021-12-06 17:16:05,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-12-06 17:16:05,140 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-12-06 17:16:06,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2021-12-06 17:16:06,890 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-12-06 17:16:09,783 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_mutex_lock_ldv_list_add_~new#1.base_12| Int)) (or (not (= (select |c_#valid| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0)) (let ((.cse35 (select (select (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (let ((.cse19 (= |v_mutex_lock_ldv_list_add_~new#1.base_12| .cse35)) (.cse21 (forall ((v_ArrVal_612 (Array Int Int)) (v_ArrVal_614 (Array Int Int)) (v_ArrVal_615 (Array Int Int)) (v_ArrVal_617 (Array Int Int)) (v_ArrVal_619 Int)) (= |c_~#mutexes~0.base| (select (select (let ((.cse39 (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)))) (let ((.cse40 (select (select .cse39 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (store (store (store .cse39 .cse40 v_ArrVal_612) |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (store (select (store .cse39 .cse40 v_ArrVal_617) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4 .cse40) 8 v_ArrVal_619)) |c_~#mutexes~0.base| (store (select (store (store .cse39 .cse40 v_ArrVal_615) |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_614) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12|)))) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4)))) (.cse34 (forall ((v_ArrVal_613 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_613) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|) 4)))) (.cse22 (forall ((v_ArrVal_613 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_613) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|) 0))) (.cse20 (= |v_mutex_lock_ldv_list_add_~new#1.base_12| |c_~#mutexes~0.base|))) (let ((.cse8 (not .cse20)) (.cse10 (and .cse34 .cse22)) (.cse17 (or .cse19 .cse21)) (.cse18 (forall ((v_ArrVal_613 (Array Int Int))) (let ((.cse38 (select (select (store |c_#memory_$Pointer$.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_613) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (or (and (forall ((v_ArrVal_612 (Array Int Int)) (v_ArrVal_614 (Array Int Int)) (v_ArrVal_615 (Array Int Int)) (v_ArrVal_617 (Array Int Int)) (v_ArrVal_619 Int)) (= |c_~#mutexes~0.base| (select (select (let ((.cse36 (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)))) (let ((.cse37 (select (select .cse36 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (store (store (store .cse36 .cse37 v_ArrVal_612) |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (store (select (store .cse36 .cse37 v_ArrVal_617) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4 .cse37) 8 v_ArrVal_619)) |c_~#mutexes~0.base| (store (select (store (store .cse36 .cse37 v_ArrVal_615) |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_614) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12|)))) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4))) (or (= |v_mutex_lock_ldv_list_add_~new#1.base_12| |c_~#mutexes~0.base|) (= .cse38 |c_~#mutexes~0.offset|))) (and (= |v_mutex_lock_ldv_list_add_~new#1.base_12| (select (select (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)) (= .cse38 0)))))) (.cse12 (not .cse19)) (.cse15 (= .cse35 |c_~#mutexes~0.base|)) (.cse11 (and .cse34 .cse22 (forall ((v_ArrVal_613 (Array Int Int))) (not (= (select (select (store |c_#memory_$Pointer$.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_613) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|) 0))))) (.cse9 (= |c_~#mutexes~0.offset| 4))) (and (forall ((v_ArrVal_613 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_613) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (or (= .cse0 0) (let ((.cse1 (forall ((v_prenex_329 (Array Int Int)) (v_prenex_333 Int) (v_prenex_330 (Array Int Int)) (v_prenex_331 (Array Int Int)) (v_prenex_332 (Array Int Int))) (= |c_~#mutexes~0.base| (select (select (let ((.cse6 (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)))) (let ((.cse7 (select (select .cse6 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (store (store (store .cse6 .cse7 v_prenex_329) |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (store (select (store .cse6 .cse7 v_prenex_332) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4 .cse7) 8 v_prenex_333)) |c_~#mutexes~0.base| (store (select (store (store .cse6 .cse7 v_prenex_331) |v_mutex_lock_ldv_list_add_~new#1.base_12| v_prenex_330) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12|)))) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4)))) (.cse2 (or (= |v_mutex_lock_ldv_list_add_~new#1.base_12| (select (select (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)) (forall ((v_ArrVal_612 (Array Int Int)) (v_ArrVal_614 (Array Int Int)) (v_ArrVal_615 (Array Int Int)) (v_ArrVal_617 (Array Int Int)) (v_ArrVal_619 Int)) (= |c_~#mutexes~0.base| (select (select (let ((.cse4 (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)))) (let ((.cse5 (select (select .cse4 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (store (store (store .cse4 .cse5 v_ArrVal_612) |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (store (select (store .cse4 .cse5 v_ArrVal_617) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4 .cse5) 8 v_ArrVal_619)) |c_~#mutexes~0.base| (store (select (store (store .cse4 .cse5 v_ArrVal_615) |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_614) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12|)))) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4)))))) (and .cse1 .cse2 (or (not (= .cse0 4)) (and .cse1 .cse2)) (let ((.cse3 (= |v_mutex_lock_ldv_list_add_~new#1.base_12| |c_~#mutexes~0.base|))) (or (and (not .cse3) (= .cse0 |c_~#mutexes~0.offset|)) (and (= |c_~#mutexes~0.offset| 4) .cse3)))))))) (or .cse8 .cse9 .cse10) (or (and (or .cse11 .cse12) (forall ((v_ArrVal_613 (Array Int Int))) (let ((.cse14 (select (select (store |c_#memory_$Pointer$.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_613) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (let ((.cse13 (not (= .cse14 4)))) (or (and .cse13 (not (= .cse14 0))) (and (= |v_mutex_lock_ldv_list_add_~new#1.base_12| (select (select (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)) .cse13) (= .cse14 |c_~#mutexes~0.offset|))))) .cse15 (forall ((v_ArrVal_613 (Array Int Int))) (let ((.cse16 (select (select (store |c_#memory_$Pointer$.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_613) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (or (and (not (= |v_mutex_lock_ldv_list_add_~new#1.base_12| |c_~#mutexes~0.base|)) (= .cse16 |c_~#mutexes~0.offset|)) (= .cse16 0)))) (or .cse8 .cse10)) .cse9) (or (and .cse17 .cse18) .cse15) (or (and .cse17 (or .cse19 (and (or (forall ((v_ArrVal_613 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_613) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|) |c_~#mutexes~0.offset|)) .cse20) .cse21)) .cse18) .cse15) (or .cse12 (and (or .cse11 .cse15) (or .cse22 .cse9) (or .cse11 .cse9) (forall ((v_ArrVal_613 (Array Int Int))) (let ((.cse24 (select (select (store |c_#memory_$Pointer$.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_613) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)) (.cse23 (= |v_mutex_lock_ldv_list_add_~new#1.base_12| |c_~#mutexes~0.base|))) (or (and .cse23 (= .cse24 0)) (and (or (and (not .cse23) (= .cse24 |c_~#mutexes~0.offset|)) (and (= |c_~#mutexes~0.offset| 4) .cse23)) (forall ((v_ArrVal_612 (Array Int Int)) (v_ArrVal_614 (Array Int Int)) (v_ArrVal_615 (Array Int Int)) (v_ArrVal_617 (Array Int Int)) (v_ArrVal_619 Int)) (= |c_~#mutexes~0.base| (select (select (let ((.cse25 (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)))) (let ((.cse26 (select (select .cse25 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (store (store (store .cse25 .cse26 v_ArrVal_612) |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (store (select (store .cse25 .cse26 v_ArrVal_617) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4 .cse26) 8 v_ArrVal_619)) |c_~#mutexes~0.base| (store (select (store (store .cse25 .cse26 v_ArrVal_615) |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_614) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12|)))) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4))))))))) (forall ((v_ArrVal_613 (Array Int Int))) (let ((.cse31 (select (select (store |c_#memory_$Pointer$.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_613) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (let ((.cse28 (not (= .cse31 4)))) (or (let ((.cse27 (= |v_mutex_lock_ldv_list_add_~new#1.base_12| (select (select (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|)))) (and (or (and .cse27 .cse28) (and (forall ((v_prenex_329 (Array Int Int)) (v_prenex_333 Int) (v_prenex_330 (Array Int Int)) (v_prenex_331 (Array Int Int)) (v_prenex_332 (Array Int Int))) (= |c_~#mutexes~0.base| (select (select (let ((.cse29 (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)))) (let ((.cse30 (select (select .cse29 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (store (store (store .cse29 .cse30 v_prenex_329) |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (store (select (store .cse29 .cse30 v_prenex_332) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4 .cse30) 8 v_prenex_333)) |c_~#mutexes~0.base| (store (select (store (store .cse29 .cse30 v_prenex_331) |v_mutex_lock_ldv_list_add_~new#1.base_12| v_prenex_330) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12|)))) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4))) (or (and (= |c_~#mutexes~0.offset| 4) (= |v_mutex_lock_ldv_list_add_~new#1.base_12| |c_~#mutexes~0.base|)) (= .cse31 |c_~#mutexes~0.offset|)))) (or .cse27 (forall ((v_ArrVal_612 (Array Int Int)) (v_ArrVal_614 (Array Int Int)) (v_ArrVal_615 (Array Int Int)) (v_ArrVal_617 (Array Int Int)) (v_ArrVal_619 Int)) (= |c_~#mutexes~0.base| (select (select (let ((.cse32 (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) 0 |c_ULTIMATE.start_foo_~m1~0#1.base|)))) (let ((.cse33 (select (select .cse32 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (store (store (store .cse32 .cse33 v_ArrVal_612) |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (store (select (store .cse32 .cse33 v_ArrVal_617) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4 .cse33) 8 v_ArrVal_619)) |c_~#mutexes~0.base| (store (select (store (store .cse32 .cse33 v_ArrVal_615) |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_614) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12|)))) |v_mutex_lock_ldv_list_add_~new#1.base_12|) 4)))))) (and .cse28 (not (= .cse31 0))))))))))))) is different from false [2021-12-06 17:16:09,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403371] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:09,791 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:16:09,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26] total 48 [2021-12-06 17:16:09,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900000314] [2021-12-06 17:16:09,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:09,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-12-06 17:16:09,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:09,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-12-06 17:16:09,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=2619, Unknown=21, NotChecked=104, Total=2970 [2021-12-06 17:16:09,793 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand has 48 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 38 states have internal predecessors, (86), 11 states have call successors, (18), 11 states have call predecessors, (18), 14 states have return successors, (16), 15 states have call predecessors, (16), 11 states have call successors, (16) [2021-12-06 17:16:12,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:12,065 INFO L93 Difference]: Finished difference Result 238 states and 270 transitions. [2021-12-06 17:16:12,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-12-06 17:16:12,066 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 38 states have internal predecessors, (86), 11 states have call successors, (18), 11 states have call predecessors, (18), 14 states have return successors, (16), 15 states have call predecessors, (16), 11 states have call successors, (16) Word has length 66 [2021-12-06 17:16:12,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:12,067 INFO L225 Difference]: With dead ends: 238 [2021-12-06 17:16:12,067 INFO L226 Difference]: Without dead ends: 134 [2021-12-06 17:16:12,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1925 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=805, Invalid=7009, Unknown=22, NotChecked=174, Total=8010 [2021-12-06 17:16:12,070 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 363 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 256 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:12,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [363 Valid, 955 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1237 Invalid, 0 Unknown, 256 Unchecked, 0.7s Time] [2021-12-06 17:16:12,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-12-06 17:16:12,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 113. [2021-12-06 17:16:12,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 86 states have (on average 1.0813953488372092) internal successors, (93), 87 states have internal predecessors, (93), 13 states have call successors, (13), 11 states have call predecessors, (13), 12 states have return successors, (14), 14 states have call predecessors, (14), 13 states have call successors, (14) [2021-12-06 17:16:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 120 transitions. [2021-12-06 17:16:12,082 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 120 transitions. Word has length 66 [2021-12-06 17:16:12,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:12,082 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 120 transitions. [2021-12-06 17:16:12,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 38 states have internal predecessors, (86), 11 states have call successors, (18), 11 states have call predecessors, (18), 14 states have return successors, (16), 15 states have call predecessors, (16), 11 states have call successors, (16) [2021-12-06 17:16:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 120 transitions. [2021-12-06 17:16:12,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-12-06 17:16:12,083 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:12,083 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:12,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 17:16:12,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-06 17:16:12,285 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:12,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:12,286 INFO L85 PathProgramCache]: Analyzing trace with hash -51453954, now seen corresponding path program 1 times [2021-12-06 17:16:12,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:12,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917475544] [2021-12-06 17:16:12,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:12,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:16:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:16:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:16:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:16:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:16:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:16:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:16:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:16:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:16:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,568 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-12-06 17:16:12,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:12,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917475544] [2021-12-06 17:16:12,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917475544] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:12,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200779523] [2021-12-06 17:16:12,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:12,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:12,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:12,570 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:12,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 17:16:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:12,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 59 conjunts are in the unsatisfiable core [2021-12-06 17:16:12,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:12,841 INFO L354 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2021-12-06 17:16:12,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 12 treesize of output 27 [2021-12-06 17:16:12,862 INFO L354 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2021-12-06 17:16:12,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 12 treesize of output 27 [2021-12-06 17:16:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 42 proven. 13 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-12-06 17:16:13,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:16:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-06 17:16:13,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200779523] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:16:13,626 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:16:13,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 7] total 32 [2021-12-06 17:16:13,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566851380] [2021-12-06 17:16:13,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:16:13,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-12-06 17:16:13,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:13,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-12-06 17:16:13,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2021-12-06 17:16:13,628 INFO L87 Difference]: Start difference. First operand 113 states and 120 transitions. Second operand has 32 states, 30 states have (on average 4.533333333333333) internal successors, (136), 28 states have internal predecessors, (136), 13 states have call successors, (31), 7 states have call predecessors, (31), 14 states have return successors, (32), 13 states have call predecessors, (32), 13 states have call successors, (32) [2021-12-06 17:16:14,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:14,537 INFO L93 Difference]: Finished difference Result 153 states and 164 transitions. [2021-12-06 17:16:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-12-06 17:16:14,538 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 4.533333333333333) internal successors, (136), 28 states have internal predecessors, (136), 13 states have call successors, (31), 7 states have call predecessors, (31), 14 states have return successors, (32), 13 states have call predecessors, (32), 13 states have call successors, (32) Word has length 87 [2021-12-06 17:16:14,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:14,539 INFO L225 Difference]: With dead ends: 153 [2021-12-06 17:16:14,539 INFO L226 Difference]: Without dead ends: 133 [2021-12-06 17:16:14,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=433, Invalid=2323, Unknown=0, NotChecked=0, Total=2756 [2021-12-06 17:16:14,540 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 410 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:14,540 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 592 Invalid, 974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 17:16:14,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-12-06 17:16:14,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 114. [2021-12-06 17:16:14,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 87 states have (on average 1.0804597701149425) internal successors, (94), 88 states have internal predecessors, (94), 13 states have call successors, (13), 11 states have call predecessors, (13), 12 states have return successors, (14), 14 states have call predecessors, (14), 13 states have call successors, (14) [2021-12-06 17:16:14,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2021-12-06 17:16:14,548 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 87 [2021-12-06 17:16:14,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:14,548 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2021-12-06 17:16:14,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 4.533333333333333) internal successors, (136), 28 states have internal predecessors, (136), 13 states have call successors, (31), 7 states have call predecessors, (31), 14 states have return successors, (32), 13 states have call predecessors, (32), 13 states have call successors, (32) [2021-12-06 17:16:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2021-12-06 17:16:14,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-12-06 17:16:14,549 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:14,549 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:14,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-06 17:16:14,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-06 17:16:14,751 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:14,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:14,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1523149351, now seen corresponding path program 2 times [2021-12-06 17:16:14,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:14,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158489657] [2021-12-06 17:16:14,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:14,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:16:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:16:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:16:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:16:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:16:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:16:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:16:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:16:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:16:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:14,888 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-06 17:16:14,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:14,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158489657] [2021-12-06 17:16:14,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158489657] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:16:14,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:16:14,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:16:14,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75796497] [2021-12-06 17:16:14,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:16:14,889 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:16:14,889 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:16:14,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:16:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:16:14,889 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-06 17:16:14,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:16:14,968 INFO L93 Difference]: Finished difference Result 123 states and 130 transitions. [2021-12-06 17:16:14,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:16:14,969 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 87 [2021-12-06 17:16:14,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:16:14,969 INFO L225 Difference]: With dead ends: 123 [2021-12-06 17:16:14,970 INFO L226 Difference]: Without dead ends: 121 [2021-12-06 17:16:14,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:16:14,970 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 55 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:16:14,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 207 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:16:14,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-12-06 17:16:14,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 118. [2021-12-06 17:16:14,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 90 states have (on average 1.0777777777777777) internal successors, (97), 91 states have internal predecessors, (97), 13 states have call successors, (13), 11 states have call predecessors, (13), 13 states have return successors, (15), 15 states have call predecessors, (15), 13 states have call successors, (15) [2021-12-06 17:16:14,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 125 transitions. [2021-12-06 17:16:14,978 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 125 transitions. Word has length 87 [2021-12-06 17:16:14,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:16:14,978 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 125 transitions. [2021-12-06 17:16:14,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2021-12-06 17:16:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2021-12-06 17:16:14,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-06 17:16:14,979 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:16:14,979 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:16:14,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 17:16:14,980 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:16:14,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:16:14,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1360136124, now seen corresponding path program 3 times [2021-12-06 17:16:14,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:16:14,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937538806] [2021-12-06 17:16:14,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:16:14,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:16:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:16:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:16:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:16:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:16:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:16:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:16:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:16:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:16:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:16:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:16:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:16:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 32 proven. 20 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-06 17:16:15,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:16:15,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937538806] [2021-12-06 17:16:15,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937538806] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:16:15,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875607988] [2021-12-06 17:16:15,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 17:16:15,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:16:15,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:16:15,411 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:16:15,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 17:16:15,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-06 17:16:15,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:16:15,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 256 conjunts are in the unsatisfiable core [2021-12-06 17:16:15,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:16:15,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:16:15,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:16:16,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:16:17,046 INFO L354 Elim1Store]: treesize reduction 246, result has 32.8 percent of original size [2021-12-06 17:16:17,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 338 treesize of output 313 [2021-12-06 17:16:17,072 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:17,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 125 treesize of output 127 [2021-12-06 17:16:17,547 INFO L354 Elim1Store]: treesize reduction 508, result has 37.2 percent of original size [2021-12-06 17:16:17,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 12 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 14 new quantified variables, introduced 33 case distinctions, treesize of input 2434 treesize of output 1296 [2021-12-06 17:16:17,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 33 treesize of output 29 [2021-12-06 17:16:17,654 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-12-06 17:16:17,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 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 111 treesize of output 93 [2021-12-06 17:16:17,797 INFO L354 Elim1Store]: treesize reduction 86, result has 45.2 percent of original size [2021-12-06 17:16:17,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 178 treesize of output 238 [2021-12-06 17:16:17,892 INFO L354 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2021-12-06 17:16:17,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 156 treesize of output 176 [2021-12-06 17:16:17,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 15 [2021-12-06 17:16:18,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 25 treesize of output 19 [2021-12-06 17:16:18,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:16:18,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:16:31,333 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:31,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 46 treesize of output 50 [2021-12-06 17:16:32,097 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:32,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 221 treesize of output 239 [2021-12-06 17:16:33,443 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-12-06 17:16:33,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 13 treesize of output 17 [2021-12-06 17:16:33,703 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-12-06 17:16:33,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 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 166 treesize of output 159 [2021-12-06 17:16:33,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:33,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 35 [2021-12-06 17:16:33,944 INFO L354 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2021-12-06 17:16:33,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 60 [2021-12-06 17:16:33,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 7 [2021-12-06 17:16:34,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 47 [2021-12-06 17:16:34,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 7 [2021-12-06 17:16:34,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 11 treesize of output 7 [2021-12-06 17:16:34,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-06 17:16:34,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 7 [2021-12-06 17:16:34,513 INFO L354 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2021-12-06 17:16:34,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 86 treesize of output 60 [2021-12-06 17:16:34,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:16:34,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 47 [2021-12-06 17:16:34,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:16:34,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-06 17:16:34,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-06 17:16:34,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:16:34,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:16:35,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-06 17:16:35,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-06 17:16:35,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 9 treesize of output 7 [2021-12-06 17:16:35,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 11 treesize of output 7 [2021-12-06 17:16:35,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-12-06 17:16:35,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 33 [2021-12-06 17:16:36,032 INFO L354 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2021-12-06 17:16:36,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 33 [2021-12-06 17:16:36,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:16:36,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2021-12-06 17:16:36,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 22 [2021-12-06 17:16:36,432 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:16:36,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 7 [2021-12-06 17:16:36,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-12-06 17:16:36,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2021-12-06 17:16:37,178 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:37,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 273 treesize of output 245 [2021-12-06 17:16:38,146 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:38,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 38 treesize of output 42 [2021-12-06 17:16:38,402 INFO L354 Elim1Store]: treesize reduction 14, result has 54.8 percent of original size [2021-12-06 17:16:38,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 169 treesize of output 171 [2021-12-06 17:16:38,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 [2021-12-06 17:16:39,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 201 treesize of output 101 [2021-12-06 17:16:39,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 14 [2021-12-06 17:16:39,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 221 treesize of output 113 [2021-12-06 17:16:39,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 208 treesize of output 104 [2021-12-06 17:16:40,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 189 treesize of output 93 [2021-12-06 17:16:40,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 [2021-12-06 17:16:40,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 214 treesize of output 110 [2021-12-06 17:16:41,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 201 treesize of output 101 [2021-12-06 17:16:41,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 189 treesize of output 93 [2021-12-06 17:16:41,996 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:41,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1156 treesize of output 1142 [2021-12-06 17:16:42,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 33 [2021-12-06 17:16:42,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:16:42,136 INFO L354 Elim1Store]: treesize reduction 22, result has 12.0 percent of original size [2021-12-06 17:16:42,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 500 treesize of output 471 [2021-12-06 17:16:42,158 INFO L354 Elim1Store]: treesize reduction 14, result has 54.8 percent of original size [2021-12-06 17:16:42,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 455 treesize of output 456 [2021-12-06 17:16:42,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:16:42,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:16:42,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:16:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:16:42,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 70 [2021-12-06 17:16:42,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:16:42,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2021-12-06 17:16:42,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:16:43,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:16:43,123 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-12-06 17:16:43,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 35 treesize of output 25 [2021-12-06 17:16:43,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-12-06 17:16:43,287 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:43,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 193 treesize of output 197 [2021-12-06 17:16:43,575 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:43,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 617 treesize of output 627 [2021-12-06 17:16:44,788 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:44,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 558 treesize of output 442 [2021-12-06 17:16:45,817 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:45,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 555 treesize of output 563 [2021-12-06 17:16:47,047 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:47,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 496 treesize of output 504 [2021-12-06 17:16:47,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:47,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:48,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:48,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:48,921 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:48,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 437 treesize of output 445 [2021-12-06 17:16:48,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:49,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:49,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:50,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:50,329 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:50,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 374 treesize of output 382 [2021-12-06 17:16:51,016 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:51,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 328 treesize of output 334 [2021-12-06 17:16:51,277 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:16:51,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 7 [2021-12-06 17:16:51,339 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:16:51,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 7 [2021-12-06 17:16:51,415 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:16:51,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 7 [2021-12-06 17:16:51,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:16:51,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-12-06 17:16:51,762 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:16:51,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 7 [2021-12-06 17:16:51,848 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:16:51,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 7 [2021-12-06 17:16:51,919 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:51,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 195 treesize of output 185 [2021-12-06 17:16:51,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:16:51,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:16:52,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 24 [2021-12-06 17:16:52,406 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:16:52,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 398 treesize of output 374 [2021-12-06 17:16:52,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2021-12-06 17:16:52,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 treesize of output 9 [2021-12-06 17:16:53,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:53,142 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:16:53,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 7 [2021-12-06 17:16:53,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:16:53,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:09,645 WARN L227 SmtUtils]: Spent 16.12s on a formula simplification. DAG size of input: 102 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 17:17:09,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:17:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 17:17:10,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:17:13,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875607988] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:17:13,996 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:17:13,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 31] total 51 [2021-12-06 17:17:13,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88268041] [2021-12-06 17:17:13,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:17:13,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2021-12-06 17:17:13,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:17:13,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-12-06 17:17:13,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=3786, Unknown=40, NotChecked=0, Total=4160 [2021-12-06 17:17:13,998 INFO L87 Difference]: Start difference. First operand 118 states and 125 transitions. Second operand has 51 states, 43 states have (on average 2.488372093023256) internal successors, (107), 40 states have internal predecessors, (107), 16 states have call successors, (21), 8 states have call predecessors, (21), 15 states have return successors, (22), 16 states have call predecessors, (22), 16 states have call successors, (22) [2021-12-06 17:17:15,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:17:15,756 INFO L93 Difference]: Finished difference Result 169 states and 180 transitions. [2021-12-06 17:17:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-12-06 17:17:15,757 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 43 states have (on average 2.488372093023256) internal successors, (107), 40 states have internal predecessors, (107), 16 states have call successors, (21), 8 states have call predecessors, (21), 15 states have return successors, (22), 16 states have call predecessors, (22), 16 states have call successors, (22) Word has length 90 [2021-12-06 17:17:15,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:17:15,758 INFO L225 Difference]: With dead ends: 169 [2021-12-06 17:17:15,758 INFO L226 Difference]: Without dead ends: 118 [2021-12-06 17:17:15,760 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2351 ImplicationChecksByTransitivity, 19.8s TimeCoverageRelationStatistics Valid=789, Invalid=7727, Unknown=40, NotChecked=0, Total=8556 [2021-12-06 17:17:15,761 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 140 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 92 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:17:15,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 817 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1257 Invalid, 0 Unknown, 92 Unchecked, 0.6s Time] [2021-12-06 17:17:15,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-12-06 17:17:15,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 114. [2021-12-06 17:17:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 87 states have (on average 1.0574712643678161) internal successors, (92), 88 states have internal predecessors, (92), 13 states have call successors, (13), 11 states have call predecessors, (13), 12 states have return successors, (14), 14 states have call predecessors, (14), 13 states have call successors, (14) [2021-12-06 17:17:15,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 119 transitions. [2021-12-06 17:17:15,769 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 119 transitions. Word has length 90 [2021-12-06 17:17:15,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:17:15,769 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 119 transitions. [2021-12-06 17:17:15,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 43 states have (on average 2.488372093023256) internal successors, (107), 40 states have internal predecessors, (107), 16 states have call successors, (21), 8 states have call predecessors, (21), 15 states have return successors, (22), 16 states have call predecessors, (22), 16 states have call successors, (22) [2021-12-06 17:17:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2021-12-06 17:17:15,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 17:17:15,770 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:17:15,770 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:17:15,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 17:17:15,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 17:17:15,974 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:17:15,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:17:15,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1365564594, now seen corresponding path program 1 times [2021-12-06 17:17:15,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:17:15,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918299147] [2021-12-06 17:17:15,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:17:15,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:17:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:17:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:17:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:17:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:17:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:17:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:17:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:17:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:17:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 17:17:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 17:17:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 17:17:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,752 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 46 proven. 20 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-06 17:17:16,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:17:16,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918299147] [2021-12-06 17:17:16,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918299147] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:17:16,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440732558] [2021-12-06 17:17:16,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:17:16,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:17:16,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:17:16,754 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:17:16,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 17:17:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:16,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 228 conjunts are in the unsatisfiable core [2021-12-06 17:17:16,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:17:16,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:17:17,094 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 17:17:17,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 21 [2021-12-06 17:17:17,174 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-06 17:17:17,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 12 treesize of output 14 [2021-12-06 17:17:17,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-06 17:17:17,601 INFO L354 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2021-12-06 17:17:17,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 12 treesize of output 27 [2021-12-06 17:17:17,621 INFO L354 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2021-12-06 17:17:17,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 12 treesize of output 27 [2021-12-06 17:17:17,730 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-12-06 17:17:17,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-12-06 17:17:19,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 13 [2021-12-06 17:17:19,051 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-12-06 17:17:19,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 16 [2021-12-06 17:17:19,234 INFO L354 Elim1Store]: treesize reduction 282, result has 39.4 percent of original size [2021-12-06 17:17:19,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 266 treesize of output 325 [2021-12-06 17:17:19,277 INFO L354 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2021-12-06 17:17:19,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 200 treesize of output 146 [2021-12-06 17:17:19,327 INFO L354 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2021-12-06 17:17:19,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 138 treesize of output 129 [2021-12-06 17:17:19,409 INFO L354 Elim1Store]: treesize reduction 86, result has 45.2 percent of original size [2021-12-06 17:17:19,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 103 treesize of output 167 [2021-12-06 17:17:19,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:19,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 52 treesize of output 40 [2021-12-06 17:17:19,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 15 [2021-12-06 17:17:19,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 25 treesize of output 19 [2021-12-06 17:17:19,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:17:19,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:17:19,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 51 [2021-12-06 17:17:19,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:19,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 25 treesize of output 19 [2021-12-06 17:17:19,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:19,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-12-06 17:17:19,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2021-12-06 17:17:19,857 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:17:19,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 34 treesize of output 28 [2021-12-06 17:17:19,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:19,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-12-06 17:17:20,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:20,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:20,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 92 [2021-12-06 17:17:20,299 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:20,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:20,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-12-06 17:17:20,428 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:17:20,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 46 treesize of output 48 [2021-12-06 17:17:20,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:20,534 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:17:20,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 30 treesize of output 32 [2021-12-06 17:17:20,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:20,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 [2021-12-06 17:17:20,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 50 [2021-12-06 17:17:20,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 [2021-12-06 17:17:20,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-12-06 17:17:21,063 INFO L354 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2021-12-06 17:17:21,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 61 [2021-12-06 17:17:21,308 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:21,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:21,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:17:21,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:21,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:21,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:17:21,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:21,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:21,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:21,501 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:17:21,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 34 treesize of output 28 [2021-12-06 17:17:21,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:21,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 [2021-12-06 17:17:21,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-12-06 17:17:21,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 [2021-12-06 17:17:21,916 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:17:21,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 20 [2021-12-06 17:17:22,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-12-06 17:17:22,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2021-12-06 17:17:22,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:22,133 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:17:22,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 31 treesize of output 23 [2021-12-06 17:17:22,185 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:17:22,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 23 [2021-12-06 17:17:22,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:17:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:23,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2021-12-06 17:17:23,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:23,612 INFO L354 Elim1Store]: treesize reduction 88, result has 23.5 percent of original size [2021-12-06 17:17:23,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 61 [2021-12-06 17:17:23,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:23,701 INFO L354 Elim1Store]: treesize reduction 58, result has 31.0 percent of original size [2021-12-06 17:17:23,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 46 treesize of output 67 [2021-12-06 17:17:23,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:23,813 INFO L354 Elim1Store]: treesize reduction 67, result has 36.2 percent of original size [2021-12-06 17:17:23,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 146 treesize of output 153 [2021-12-06 17:17:23,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:23,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:23,985 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:17:23,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 21 [2021-12-06 17:17:24,024 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:24,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:24,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:24,077 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:24,120 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:17:24,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 7 [2021-12-06 17:17:24,144 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:17:24,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 7 [2021-12-06 17:17:24,258 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:17:24,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 58 treesize of output 62 [2021-12-06 17:17:24,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:24,410 INFO L354 Elim1Store]: treesize reduction 186, result has 19.8 percent of original size [2021-12-06 17:17:24,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 3 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 131 treesize of output 184 [2021-12-06 17:17:24,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:17:24,727 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-12-06 17:17:24,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 54 treesize of output 44 [2021-12-06 17:17:24,783 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-12-06 17:17:24,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 15 [2021-12-06 17:17:24,892 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-12-06 17:17:24,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 15 [2021-12-06 17:17:24,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:24,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2021-12-06 17:17:25,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:25,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-12-06 17:17:25,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:25,220 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:17:25,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 407 treesize of output 399 [2021-12-06 17:17:25,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:17:25,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:17:25,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:17:26,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:17:26,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:17:26,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-06 17:17:26,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:17:26,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2021-12-06 17:17:26,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-12-06 17:17:26,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:17:26,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-12-06 17:17:26,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:26,395 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:26,401 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:26,492 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:17:26,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 87 treesize of output 91 [2021-12-06 17:17:26,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2021-12-06 17:17:26,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:26,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 7 [2021-12-06 17:17:26,573 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:17:26,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 53 treesize of output 41 [2021-12-06 17:17:26,685 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:17:26,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 45 [2021-12-06 17:17:26,719 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:17:26,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 102 treesize of output 96 [2021-12-06 17:17:26,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:26,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2021-12-06 17:17:26,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 39 treesize of output 31 [2021-12-06 17:17:26,823 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:17:26,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 45 [2021-12-06 17:17:26,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 17:17:26,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:26,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 80 [2021-12-06 17:17:26,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:26,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:17:26,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 85 [2021-12-06 17:17:26,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 44 treesize of output 34 [2021-12-06 17:17:27,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 16 [2021-12-06 17:17:27,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:17:27,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 543 treesize of output 527 [2021-12-06 17:17:27,895 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-12-06 17:17:27,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 763 treesize of output 714 [2021-12-06 17:17:27,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:17:27,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 709 treesize of output 691 [2021-12-06 17:17:27,919 INFO L354 Elim1Store]: treesize reduction 20, result has 55.6 percent of original size [2021-12-06 17:17:27,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 706 treesize of output 704 [2021-12-06 17:17:27,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 635 treesize of output 629 [2021-12-06 17:17:27,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 629 treesize of output 627 [2021-12-06 17:17:27,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 627 treesize of output 615 [2021-12-06 17:17:28,748 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 57 proven. 56 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 17:17:28,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:17:30,072 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 17:17:30,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 330 treesize of output 329 [2021-12-06 17:17:30,077 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:17:30,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 326 treesize of output 322 [2021-12-06 17:17:30,176 INFO L354 Elim1Store]: treesize reduction 34, result has 68.5 percent of original size [2021-12-06 17:17:30,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 540 treesize of output 284 [2021-12-06 17:17:30,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 326 treesize of output 322 [2021-12-06 17:17:30,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 338 treesize of output 330 [2021-12-06 17:17:30,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:17:30,298 INFO L354 Elim1Store]: treesize reduction 119, result has 42.0 percent of original size [2021-12-06 17:17:30,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 264 treesize of output 233 [2021-12-06 17:17:30,321 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:17:30,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 236 treesize of output 232 [2021-12-06 17:17:30,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 256 treesize of output 252 [2021-12-06 17:17:30,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 263 treesize of output 261 [2021-12-06 17:17:30,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440732558] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:17:30,500 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:17:30,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 38] total 66 [2021-12-06 17:17:30,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906498453] [2021-12-06 17:17:30,501 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:17:30,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-12-06 17:17:30,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:17:30,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-12-06 17:17:30,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=4648, Unknown=0, NotChecked=0, Total=4970 [2021-12-06 17:17:30,503 INFO L87 Difference]: Start difference. First operand 114 states and 119 transitions. Second operand has 66 states, 56 states have (on average 2.3214285714285716) internal successors, (130), 53 states have internal predecessors, (130), 19 states have call successors, (26), 11 states have call predecessors, (26), 20 states have return successors, (26), 23 states have call predecessors, (26), 19 states have call successors, (26) [2021-12-06 17:17:33,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:17:33,616 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2021-12-06 17:17:33,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-12-06 17:17:33,616 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 56 states have (on average 2.3214285714285716) internal successors, (130), 53 states have internal predecessors, (130), 19 states have call successors, (26), 11 states have call predecessors, (26), 20 states have return successors, (26), 23 states have call predecessors, (26), 19 states have call successors, (26) Word has length 106 [2021-12-06 17:17:33,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:17:33,617 INFO L225 Difference]: With dead ends: 153 [2021-12-06 17:17:33,617 INFO L226 Difference]: Without dead ends: 133 [2021-12-06 17:17:33,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2930 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=942, Invalid=10830, Unknown=0, NotChecked=0, Total=11772 [2021-12-06 17:17:33,621 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 313 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 633 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:17:33,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 1371 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1349 Invalid, 0 Unknown, 633 Unchecked, 0.6s Time] [2021-12-06 17:17:33,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-12-06 17:17:33,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 117. [2021-12-06 17:17:33,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 90 states have (on average 1.0666666666666667) internal successors, (96), 91 states have internal predecessors, (96), 13 states have call successors, (13), 11 states have call predecessors, (13), 12 states have return successors, (14), 14 states have call predecessors, (14), 13 states have call successors, (14) [2021-12-06 17:17:33,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 123 transitions. [2021-12-06 17:17:33,629 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 123 transitions. Word has length 106 [2021-12-06 17:17:33,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:17:33,629 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 123 transitions. [2021-12-06 17:17:33,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 56 states have (on average 2.3214285714285716) internal successors, (130), 53 states have internal predecessors, (130), 19 states have call successors, (26), 11 states have call predecessors, (26), 20 states have return successors, (26), 23 states have call predecessors, (26), 19 states have call successors, (26) [2021-12-06 17:17:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2021-12-06 17:17:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-12-06 17:17:33,631 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:17:33,631 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:17:33,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 17:17:33,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:17:33,833 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:17:33,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:17:33,834 INFO L85 PathProgramCache]: Analyzing trace with hash 526147208, now seen corresponding path program 2 times [2021-12-06 17:17:33,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:17:33,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164739323] [2021-12-06 17:17:33,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:17:33,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:17:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 17:17:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:17:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:17:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:17:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:17:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 17:17:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:17:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:17:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 17:17:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:34,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 17:17:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 17:17:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:35,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 17:17:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:17:35,479 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 45 proven. 53 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-06 17:17:35,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:17:35,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164739323] [2021-12-06 17:17:35,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164739323] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:17:35,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576845780] [2021-12-06 17:17:35,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 17:17:35,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:17:35,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:17:35,480 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:17:35,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 17:17:35,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 17:17:35,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:17:35,671 WARN L261 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 413 conjunts are in the unsatisfiable core [2021-12-06 17:17:35,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:17:35,952 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 17:17:35,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 21 [2021-12-06 17:17:36,151 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-12-06 17:17:36,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-12-06 17:17:36,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:17:37,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:17:37,069 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-06 17:17:37,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2021-12-06 17:17:37,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 0 case distinctions, treesize of input 12 treesize of output 9 [2021-12-06 17:17:39,585 INFO L354 Elim1Store]: treesize reduction 89, result has 39.9 percent of original size [2021-12-06 17:17:39,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 99 [2021-12-06 17:17:39,646 INFO L354 Elim1Store]: treesize reduction 36, result has 42.9 percent of original size [2021-12-06 17:17:39,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 228 treesize of output 229 [2021-12-06 17:17:39,681 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:17:39,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 59 treesize of output 77 [2021-12-06 17:17:39,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 26 treesize of output 29 [2021-12-06 17:17:39,723 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:40,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:41,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 37 treesize of output 40 [2021-12-06 17:17:41,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:41,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:17:41,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2021-12-06 17:17:41,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:17:41,948 INFO L354 Elim1Store]: treesize reduction 26, result has 45.8 percent of original size [2021-12-06 17:17:41,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 case distinctions, treesize of input 88 treesize of output 101 [2021-12-06 17:17:42,024 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-12-06 17:17:42,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 7 [2021-12-06 17:17:42,038 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:17:42,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-06 17:17:42,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 119 [2021-12-06 17:17:43,318 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-12-06 17:17:43,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 144 [2021-12-06 17:17:43,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2021-12-06 17:17:43,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2021-12-06 17:17:43,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 129 [2021-12-06 17:17:43,886 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-12-06 17:17:43,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 140 treesize of output 143 [2021-12-06 17:17:44,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 142 treesize of output 128 [2021-12-06 17:17:44,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 52 [2021-12-06 17:17:44,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 52 [2021-12-06 17:17:45,141 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 17:17:45,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 59 [2021-12-06 17:17:45,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:17:45,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:17:45,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:17:46,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:17:46,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:17:46,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:17:46,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:17:46,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 42 [2021-12-06 17:17:46,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 42 [2021-12-06 17:17:46,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:17:47,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:17:47,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:54,038 WARN L227 SmtUtils]: Spent 18.57s on a formula simplification. DAG size of input: 265 DAG size of output: 261 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 17:18:54,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:54,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:54,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:54,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:54,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:54,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:54,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:54,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 42 [2021-12-06 17:18:54,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 42 [2021-12-06 17:18:54,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:55,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:55,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:56,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:56,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:56,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:56,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:56,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:56,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:56,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:56,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 42 [2021-12-06 17:18:56,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 42 [2021-12-06 17:18:57,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:57,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:57,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:58,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:58,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:58,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:58,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:58,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:58,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:58,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:58,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 42 [2021-12-06 17:18:58,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 42 [2021-12-06 17:18:59,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:18:59,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:18:59,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:19:00,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:19:00,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:19:00,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:19:00,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:19:00,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:19:00,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:19:00,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:19:00,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 42 [2021-12-06 17:19:01,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 42 [2021-12-06 17:19:01,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 9 treesize of output 12 [2021-12-06 17:19:01,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:19:01,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 35 treesize of output 38 [2021-12-06 17:19:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:02,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:02,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 22 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 2042 treesize of output 1625 [2021-12-06 17:19:02,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:26,145 WARN L227 SmtUtils]: Spent 23.42s on a formula simplification. DAG size of input: 532 DAG size of output: 309 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-12-06 17:19:26,146 INFO L354 Elim1Store]: treesize reduction 1460, result has 35.1 percent of original size [2021-12-06 17:19:26,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 18 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 24 new quantified variables, introduced 98 case distinctions, treesize of input 1625 treesize of output 2211 [2021-12-06 17:19:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:27,992 INFO L354 Elim1Store]: treesize reduction 144, result has 32.4 percent of original size [2021-12-06 17:19:27,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 2208 treesize of output 2267 [2021-12-06 17:19:28,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:29,824 INFO L354 Elim1Store]: treesize reduction 148, result has 26.4 percent of original size [2021-12-06 17:19:29,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 2267 treesize of output 2314 [2021-12-06 17:19:29,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:29,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:31,949 INFO L354 Elim1Store]: treesize reduction 144, result has 32.4 percent of original size [2021-12-06 17:19:31,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 2311 treesize of output 2370 [2021-12-06 17:19:32,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:34,476 INFO L354 Elim1Store]: treesize reduction 132, result has 34.3 percent of original size [2021-12-06 17:19:34,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 2370 treesize of output 2433 [2021-12-06 17:19:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:34,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:35,150 INFO L354 Elim1Store]: treesize reduction 176, result has 17.4 percent of original size [2021-12-06 17:19:35,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 2430 treesize of output 2457 [2021-12-06 17:19:35,249 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Should have been eliminated by DER [2021-12-06 17:19:35,249 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:19:35,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2021-12-06 17:19:35,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694779275] [2021-12-06 17:19:35,249 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-06 17:19:35,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-12-06 17:19:35,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:19:35,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-12-06 17:19:35,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=3906, Unknown=30, NotChecked=0, Total=4160 [2021-12-06 17:19:35,251 INFO L87 Difference]: Start difference. First operand 117 states and 123 transitions. Second operand has 40 states, 34 states have (on average 2.1176470588235294) internal successors, (72), 32 states have internal predecessors, (72), 10 states have call successors, (13), 4 states have call predecessors, (13), 11 states have return successors, (13), 13 states have call predecessors, (13), 10 states have call successors, (13) [2021-12-06 17:19:35,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:19:35,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 950 ImplicationChecksByTransitivity, 70.5s TimeCoverageRelationStatistics Valid=224, Invalid=3906, Unknown=30, NotChecked=0, Total=4160 [2021-12-06 17:19:35,252 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:19:35,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:19:35,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 17:19:35,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 17:19:35,455 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@7827aee5 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:455) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:103) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-06 17:19:35,465 INFO L158 Benchmark]: Toolchain (without parser) took 242955.95ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 81.2MB in the beginning and 100.6MB in the end (delta: -19.5MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2021-12-06 17:19:35,465 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:19:35,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.43ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 84.5MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 17:19:35,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.34ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 82.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:19:35,466 INFO L158 Benchmark]: Boogie Preprocessor took 31.03ms. Allocated memory is still 119.5MB. Free memory was 82.3MB in the beginning and 80.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:19:35,466 INFO L158 Benchmark]: RCFGBuilder took 322.26ms. Allocated memory is still 119.5MB. Free memory was 80.3MB in the beginning and 63.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 17:19:35,467 INFO L158 Benchmark]: TraceAbstraction took 242227.61ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 62.9MB in the beginning and 100.6MB in the end (delta: -37.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-12-06 17:19:35,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.43ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 84.5MB in the end (delta: -3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.34ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 82.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.03ms. Allocated memory is still 119.5MB. Free memory was 82.3MB in the beginning and 80.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.26ms. Allocated memory is still 119.5MB. Free memory was 80.3MB in the beginning and 63.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 242227.61ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 62.9MB in the beginning and 100.6MB in the end (delta: -37.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@7827aee5 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@7827aee5: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-06 17:19:35,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa --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 fd310154a8f082280317f3bf1f868dbee13522304c8e13d29736e7fb8b36c7cf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:19:37,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:19:37,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:19:37,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:19:37,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:19:37,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:19:37,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:19:37,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:19:37,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:19:37,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:19:37,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:19:37,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:19:37,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:19:37,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:19:37,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:19:37,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:19:37,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:19:37,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:19:37,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:19:37,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:19:37,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:19:37,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:19:37,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:19:37,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:19:37,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:19:37,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:19:37,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:19:37,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:19:37,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:19:37,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:19:37,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:19:37,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:19:37,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:19:37,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:19:37,189 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:19:37,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:19:37,190 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:19:37,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:19:37,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:19:37,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:19:37,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:19:37,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 17:19:37,216 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:19:37,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:19:37,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:19:37,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:19:37,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:19:37,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:19:37,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:19:37,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:19:37,219 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:19:37,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:19:37,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 17:19:37,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 17:19:37,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:19:37,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:19:37,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:19:37,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:19:37,221 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 17:19:37,221 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 17:19:37,221 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 17:19:37,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 17:19:37,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:19:37,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:19:37,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:19:37,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:19:37,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:19:37,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:19:37,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:19:37,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:19:37,223 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:19:37,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:19:37,224 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 17:19:37,224 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 17:19:37,224 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:19:37,224 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:19:37,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:19:37,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:19:37,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 17:19:37,225 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd310154a8f082280317f3bf1f868dbee13522304c8e13d29736e7fb8b36c7cf [2021-12-06 17:19:37,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:19:37,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:19:37,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:19:37,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:19:37,470 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:19:37,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i [2021-12-06 17:19:37,511 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/data/132148975/5bddb54a8b7b4408807764f32e54c254/FLAGb0d74f7e8 [2021-12-06 17:19:37,957 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:19:37,958 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i [2021-12-06 17:19:37,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/data/132148975/5bddb54a8b7b4408807764f32e54c254/FLAGb0d74f7e8 [2021-12-06 17:19:37,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/data/132148975/5bddb54a8b7b4408807764f32e54c254 [2021-12-06 17:19:37,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:19:37,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:19:37,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:19:37,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:19:37,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:19:37,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:19:37" (1/1) ... [2021-12-06 17:19:37,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7a8021 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:37, skipping insertion in model container [2021-12-06 17:19:37,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:19:37" (1/1) ... [2021-12-06 17:19:37,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:19:38,016 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:19:38,240 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855] [2021-12-06 17:19:38,242 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980] [2021-12-06 17:19:38,244 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095] [2021-12-06 17:19:38,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:19:38,255 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 17:19:38,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:19:38,285 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855] [2021-12-06 17:19:38,286 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980] [2021-12-06 17:19:38,287 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095] [2021-12-06 17:19:38,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:19:38,290 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:19:38,317 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855] [2021-12-06 17:19:38,318 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980] [2021-12-06 17:19:38,319 WARN L230 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_547bd10f-0d57-4b46-a023-32929dabcf7f/sv-benchmarks/c/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095] [2021-12-06 17:19:38,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:19:38,343 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:19:38,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38 WrapperNode [2021-12-06 17:19:38,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:19:38,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:19:38,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:19:38,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:19:38,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (1/1) ... [2021-12-06 17:19:38,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (1/1) ... [2021-12-06 17:19:38,382 INFO L137 Inliner]: procedures = 140, calls = 56, calls flagged for inlining = 15, calls inlined = 14, statements flattened = 124 [2021-12-06 17:19:38,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:19:38,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:19:38,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:19:38,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:19:38,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (1/1) ... [2021-12-06 17:19:38,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (1/1) ... [2021-12-06 17:19:38,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (1/1) ... [2021-12-06 17:19:38,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (1/1) ... [2021-12-06 17:19:38,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (1/1) ... [2021-12-06 17:19:38,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (1/1) ... [2021-12-06 17:19:38,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (1/1) ... [2021-12-06 17:19:38,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:19:38,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:19:38,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:19:38,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:19:38,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (1/1) ... [2021-12-06 17:19:38,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:19:38,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:19:38,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:19:38,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:19:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2021-12-06 17:19:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2021-12-06 17:19:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:19:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-06 17:19:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-06 17:19:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:19:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:19:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2021-12-06 17:19:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2021-12-06 17:19:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:19:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:19:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:19:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 17:19:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2021-12-06 17:19:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2021-12-06 17:19:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:19:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:19:38,563 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:19:38,565 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:19:38,819 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:19:38,824 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:19:38,824 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 17:19:38,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:19:38 BoogieIcfgContainer [2021-12-06 17:19:38,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:19:38,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:19:38,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:19:38,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:19:38,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:19:37" (1/3) ... [2021-12-06 17:19:38,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4787735e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:19:38, skipping insertion in model container [2021-12-06 17:19:38,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:19:38" (2/3) ... [2021-12-06 17:19:38,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4787735e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:19:38, skipping insertion in model container [2021-12-06 17:19:38,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:19:38" (3/3) ... [2021-12-06 17:19:38,834 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex_unlock_at_exit.i [2021-12-06 17:19:38,839 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:19:38,839 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-06 17:19:38,882 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:19:38,887 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:19:38,888 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-06 17:19:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 49 states have internal predecessors, (60), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 17:19:38,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-06 17:19:38,905 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:19:38,905 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:19:38,906 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:19:38,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:19:38,910 INFO L85 PathProgramCache]: Analyzing trace with hash -819579598, now seen corresponding path program 1 times [2021-12-06 17:19:38,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:19:38,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33472791] [2021-12-06 17:19:38,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:19:38,920 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:19:38,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:19:38,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:19:38,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 17:19:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:39,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-06 17:19:39,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:19:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 17:19:39,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:19:39,094 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:19:39,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [33472791] [2021-12-06 17:19:39,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [33472791] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:19:39,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:19:39,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:19:39,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061025514] [2021-12-06 17:19:39,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:19:39,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 17:19:39,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:19:39,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 17:19:39,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:19:39,130 INFO L87 Difference]: Start difference. First operand has 63 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 49 states have internal predecessors, (60), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 17:19:39,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:19:39,156 INFO L93 Difference]: Finished difference Result 122 states and 159 transitions. [2021-12-06 17:19:39,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:19:39,158 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2021-12-06 17:19:39,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:19:39,165 INFO L225 Difference]: With dead ends: 122 [2021-12-06 17:19:39,166 INFO L226 Difference]: Without dead ends: 58 [2021-12-06 17:19:39,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 17:19:39,173 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:19:39,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:19:39,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-12-06 17:19:39,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-12-06 17:19:39,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 44 states have internal predecessors, (49), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 17:19:39,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2021-12-06 17:19:39,212 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 27 [2021-12-06 17:19:39,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:19:39,213 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2021-12-06 17:19:39,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 17:19:39,213 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2021-12-06 17:19:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-06 17:19:39,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:19:39,215 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:19:39,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:19:39,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:19:39,416 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:19:39,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:19:39,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1880588558, now seen corresponding path program 1 times [2021-12-06 17:19:39,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:19:39,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [143185998] [2021-12-06 17:19:39,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:19:39,419 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:19:39,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:19:39,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:19:39,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 17:19:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:39,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 17:19:39,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:19:39,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:19:39,651 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:19:39,651 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:19:39,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [143185998] [2021-12-06 17:19:39,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [143185998] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:19:39,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:19:39,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:19:39,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624884043] [2021-12-06 17:19:39,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:19:39,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:19:39,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:19:39,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:19:39,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:19:39,654 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:19:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:19:39,668 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2021-12-06 17:19:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:19:39,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2021-12-06 17:19:39,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:19:39,670 INFO L225 Difference]: With dead ends: 63 [2021-12-06 17:19:39,671 INFO L226 Difference]: Without dead ends: 61 [2021-12-06 17:19:39,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:19:39,672 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:19:39,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:19:39,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-12-06 17:19:39,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-12-06 17:19:39,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 46 states have internal predecessors, (51), 9 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (12), 10 states have call predecessors, (12), 9 states have call successors, (12) [2021-12-06 17:19:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2021-12-06 17:19:39,681 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 27 [2021-12-06 17:19:39,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:19:39,682 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2021-12-06 17:19:39,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:19:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2021-12-06 17:19:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-12-06 17:19:39,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:19:39,683 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:19:39,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 17:19:39,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:19:39,884 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:19:39,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:19:39,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1829794903, now seen corresponding path program 1 times [2021-12-06 17:19:39,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:19:39,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017990154] [2021-12-06 17:19:39,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:19:39,888 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:19:39,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:19:39,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:19:39,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 17:19:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:40,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 17:19:40,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:19:40,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:19:40,423 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:19:40,424 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:19:40,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017990154] [2021-12-06 17:19:40,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017990154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:19:40,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:19:40,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:19:40,425 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128082093] [2021-12-06 17:19:40,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:19:40,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 17:19:40,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:19:40,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:19:40,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:19:40,426 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:19:40,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:19:40,719 INFO L93 Difference]: Finished difference Result 164 states and 201 transitions. [2021-12-06 17:19:40,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:19:40,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2021-12-06 17:19:40,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:19:40,722 INFO L225 Difference]: With dead ends: 164 [2021-12-06 17:19:40,722 INFO L226 Difference]: Without dead ends: 111 [2021-12-06 17:19:40,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:19:40,724 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 54 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:19:40,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 162 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:19:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-12-06 17:19:40,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 90. [2021-12-06 17:19:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 64 states have (on average 1.171875) internal successors, (75), 68 states have internal predecessors, (75), 14 states have call successors, (14), 7 states have call predecessors, (14), 9 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2021-12-06 17:19:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 109 transitions. [2021-12-06 17:19:40,736 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 109 transitions. Word has length 27 [2021-12-06 17:19:40,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:19:40,736 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 109 transitions. [2021-12-06 17:19:40,736 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 17:19:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 109 transitions. [2021-12-06 17:19:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-06 17:19:40,738 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:19:40,738 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:19:40,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 17:19:40,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:19:40,940 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:19:40,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:19:40,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1772695523, now seen corresponding path program 1 times [2021-12-06 17:19:40,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:19:40,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231790231] [2021-12-06 17:19:40,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:19:40,944 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:19:40,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:19:40,946 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:19:40,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 17:19:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:41,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 17:19:41,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:19:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-06 17:19:41,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:19:41,236 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:19:41,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231790231] [2021-12-06 17:19:41,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231790231] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:19:41,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:19:41,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:19:41,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943310761] [2021-12-06 17:19:41,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:19:41,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:19:41,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:19:41,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:19:41,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:19:41,243 INFO L87 Difference]: Start difference. First operand 90 states and 109 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 17:19:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:19:41,256 INFO L93 Difference]: Finished difference Result 160 states and 193 transitions. [2021-12-06 17:19:41,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:19:41,256 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2021-12-06 17:19:41,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:19:41,258 INFO L225 Difference]: With dead ends: 160 [2021-12-06 17:19:41,258 INFO L226 Difference]: Without dead ends: 94 [2021-12-06 17:19:41,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:19:41,259 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:19:41,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:19:41,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-12-06 17:19:41,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-12-06 17:19:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 67 states have (on average 1.164179104477612) internal successors, (78), 70 states have internal predecessors, (78), 14 states have call successors, (14), 7 states have call predecessors, (14), 10 states have return successors, (21), 16 states have call predecessors, (21), 14 states have call successors, (21) [2021-12-06 17:19:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 113 transitions. [2021-12-06 17:19:41,269 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 113 transitions. Word has length 66 [2021-12-06 17:19:41,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:19:41,270 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 113 transitions. [2021-12-06 17:19:41,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 17:19:41,270 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2021-12-06 17:19:41,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-06 17:19:41,272 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:19:41,272 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:19:41,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 17:19:41,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:19:41,474 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:19:41,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:19:41,476 INFO L85 PathProgramCache]: Analyzing trace with hash -644548811, now seen corresponding path program 1 times [2021-12-06 17:19:41,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:19:41,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1244303399] [2021-12-06 17:19:41,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:19:41,478 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:19:41,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:19:41,481 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:19:41,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 17:19:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:41,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-06 17:19:41,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:19:41,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:19:41,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:19:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-06 17:19:42,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:19:42,130 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:19:42,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1244303399] [2021-12-06 17:19:42,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1244303399] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:19:42,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:19:42,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 17:19:42,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165009382] [2021-12-06 17:19:42,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:19:42,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:19:42,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:19:42,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:19:42,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:19:42,133 INFO L87 Difference]: Start difference. First operand 94 states and 113 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2021-12-06 17:19:43,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:19:43,175 INFO L93 Difference]: Finished difference Result 214 states and 259 transitions. [2021-12-06 17:19:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 17:19:43,176 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 66 [2021-12-06 17:19:43,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:19:43,177 INFO L225 Difference]: With dead ends: 214 [2021-12-06 17:19:43,177 INFO L226 Difference]: Without dead ends: 116 [2021-12-06 17:19:43,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:19:43,179 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 153 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:19:43,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 190 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 17:19:43,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-12-06 17:19:43,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 99. [2021-12-06 17:19:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 72 states have (on average 1.1388888888888888) internal successors, (82), 76 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 11 states have return successors, (21), 14 states have call predecessors, (21), 13 states have call successors, (21) [2021-12-06 17:19:43,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2021-12-06 17:19:43,190 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 66 [2021-12-06 17:19:43,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:19:43,191 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2021-12-06 17:19:43,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 4 states have call successors, (9), 4 states have call predecessors, (9), 5 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2021-12-06 17:19:43,191 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2021-12-06 17:19:43,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-06 17:19:43,192 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:19:43,192 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:19:43,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 17:19:43,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:19:43,394 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:19:43,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:19:43,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1371790266, now seen corresponding path program 1 times [2021-12-06 17:19:43,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:19:43,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872493899] [2021-12-06 17:19:43,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:19:43,397 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:19:43,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:19:43,399 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:19:43,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 17:19:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:19:43,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 99 conjunts are in the unsatisfiable core [2021-12-06 17:19:43,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:19:43,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-12-06 17:19:43,858 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 17:19:43,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 26 treesize of output 26 [2021-12-06 17:19:43,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:19:44,344 INFO L354 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2021-12-06 17:19:44,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 182 [2021-12-06 17:19:44,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:19:44,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:19:44,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:19:44,471 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:19:44,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 21 [2021-12-06 17:19:44,500 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:19:44,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 29 treesize of output 21 [2021-12-06 17:19:44,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:19:44,805 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:19:44,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 16 [2021-12-06 17:19:44,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:19:44,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:19:44,924 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:19:44,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 31 [2021-12-06 17:19:44,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:19:44,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:19:44,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 17:19:44,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:19:47,685 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:19:47,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:47,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:47,822 INFO L354 Elim1Store]: treesize reduction 354, result has 13.0 percent of original size [2021-12-06 17:19:47,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 372 treesize of output 137 [2021-12-06 17:19:47,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:47,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:47,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 42 [2021-12-06 17:19:48,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:48,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:48,026 INFO L354 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-12-06 17:19:48,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 134 treesize of output 45 [2021-12-06 17:19:48,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:48,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:19:48,128 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-12-06 17:19:48,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 65 [2021-12-06 17:19:57,707 WARN L227 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 17:20:16,090 WARN L227 SmtUtils]: Spent 7.54s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 17:20:30,367 WARN L227 SmtUtils]: Spent 12.06s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 17:20:46,677 WARN L227 SmtUtils]: Spent 14.09s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 17:21:00,943 WARN L227 SmtUtils]: Spent 12.05s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 17:21:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:21:01,036 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:21:07,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 108 treesize of output 106 [2021-12-06 17:21:07,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 128 treesize of output 124 [2021-12-06 17:21:08,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 135 treesize of output 133 [2021-12-06 17:21:08,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 144 treesize of output 142 [2021-12-06 17:21:08,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 142 treesize of output 140 [2021-12-06 17:22:11,272 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:22:11,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872493899] [2021-12-06 17:22:11,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872493899] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:22:11,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1527780286] [2021-12-06 17:22:11,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:22:11,273 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 17:22:11,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 17:22:11,274 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 17:22:11,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-12-06 17:22:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:22:11,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 92 conjunts are in the unsatisfiable core [2021-12-06 17:22:11,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:22:11,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:22:11,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-12-06 17:22:12,747 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 17:22:12,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 22 [2021-12-06 17:22:13,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:22:14,660 INFO L354 Elim1Store]: treesize reduction 117, result has 35.4 percent of original size [2021-12-06 17:22:14,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 194 treesize of output 182 [2021-12-06 17:22:14,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:22:14,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:22:14,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:22:14,800 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:22:14,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 27 treesize of output 31 [2021-12-06 17:22:14,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:22:14,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:22:14,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2021-12-06 17:22:14,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:22:15,124 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:22:15,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 29 treesize of output 21 [2021-12-06 17:22:15,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:22:15,217 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:22:15,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 23 [2021-12-06 17:22:15,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:22:15,287 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-12-06 17:22:15,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 41 [2021-12-06 17:22:15,290 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:22:20,394 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:22:20,582 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-06 17:22:20,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 166 treesize of output 120 [2021-12-06 17:22:21,285 INFO L354 Elim1Store]: treesize reduction 382, result has 46.4 percent of original size [2021-12-06 17:22:21,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 10 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 13 new quantified variables, introduced 27 case distinctions, treesize of input 590 treesize of output 597 [2021-12-06 17:22:21,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:22:21,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 126 treesize of output 66 [2021-12-06 17:22:21,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 33 treesize of output 29 [2021-12-06 17:22:21,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 49 treesize of output 33 [2021-12-06 17:22:21,613 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:22:21,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 88 treesize of output 100 [2021-12-06 17:22:21,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 68 [2021-12-06 17:22:21,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2021-12-06 17:22:22,082 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:22:22,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 200 treesize of output 220 [2021-12-06 17:22:22,755 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:22:22,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 415 treesize of output 419 [2021-12-06 17:22:24,234 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:22:24,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 732 treesize of output 732 [2021-12-06 17:22:25,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:22:25,554 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:22:25,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 470 treesize of output 355 [2021-12-06 17:22:26,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 29 treesize of output 17 [2021-12-06 17:22:26,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 [2021-12-06 17:22:26,571 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:22:26,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 449 treesize of output 447 [2021-12-06 17:22:26,845 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:22:26,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 347 treesize of output 345 [2021-12-06 17:22:27,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 11 [2021-12-06 17:22:27,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-12-06 17:22:27,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 84 [2021-12-06 17:22:27,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:22:27,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 51 [2021-12-06 17:22:27,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-12-06 17:22:27,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:22:27,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:22:27,107 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:22:27,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 91 [2021-12-06 17:22:27,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:22:27,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 51 [2021-12-06 17:22:27,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:22:27,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2021-12-06 17:22:27,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 7 [2021-12-06 17:22:27,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:22:27,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:22:27,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 98 [2021-12-06 17:22:27,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2021-12-06 17:22:27,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2021-12-06 17:22:27,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 30 treesize of output 24 [2021-12-06 17:22:27,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 4 [2021-12-06 17:22:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 17:22:43,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:22:53,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 108 treesize of output 106 [2021-12-06 17:22:53,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 128 treesize of output 124 [2021-12-06 17:22:53,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 135 treesize of output 133 [2021-12-06 17:22:53,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 144 treesize of output 142 [2021-12-06 17:22:53,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 142 treesize of output 140 [2021-12-06 17:22:53,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 18 [2021-12-06 17:22:53,508 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_mutex_lock_ldv_list_add_~new#1.base_12| (_ BitVec 32)) (v_ArrVal_273 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_276 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_278 (_ BitVec 32)) (v_ArrVal_271 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_277 (_ BitVec 32)) (v_ArrVal_272 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (select |c_#memory_$Pointer$.base| |v_mutex_lock_ldv_list_add_~new#1.base_12|) (_ bv0 32) |c_ULTIMATE.start_foo_~m1~0#1.base|)))) (let ((.cse1 (select (select .cse0 |c_~#mutexes~0.base|) |c_~#mutexes~0.offset|))) (store (store (store .cse0 .cse1 v_ArrVal_271) |v_mutex_lock_ldv_list_add_~new#1.base_12| (store (store (select (store .cse0 .cse1 v_ArrVal_273) |v_mutex_lock_ldv_list_add_~new#1.base_12|) (_ bv4 32) v_ArrVal_278) (_ bv8 32) v_ArrVal_277)) |c_~#mutexes~0.base| (store (select (store (store .cse0 .cse1 v_ArrVal_276) |v_mutex_lock_ldv_list_add_~new#1.base_12| v_ArrVal_272) |c_~#mutexes~0.base|) |c_~#mutexes~0.offset| |v_mutex_lock_ldv_list_add_~new#1.base_12|)))) |v_mutex_lock_ldv_list_add_~new#1.base_12|) (_ bv0 32)) |c_ULTIMATE.start_foo_~m2~0#1.base|)) (and (not (= (_ bv4 32) |c_ULTIMATE.start_foo_~m2~0#1.offset|)) (= |c_~#mutexes~0.offset| (_ bv0 32)) (= |v_mutex_lock_ldv_list_add_~new#1.base_12| |c_~#mutexes~0.base|)))) is different from false [2021-12-06 17:22:53,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1527780286] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:22:53,515 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:22:53,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 55 [2021-12-06 17:22:53,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172977878] [2021-12-06 17:22:53,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:22:53,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2021-12-06 17:22:53,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:22:53,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-12-06 17:22:53,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=3561, Unknown=50, NotChecked=122, Total=4032 [2021-12-06 17:22:53,518 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand has 56 states, 46 states have (on average 1.6521739130434783) internal successors, (76), 39 states have internal predecessors, (76), 16 states have call successors, (18), 12 states have call predecessors, (18), 14 states have return successors, (16), 15 states have call predecessors, (16), 14 states have call successors, (16) [2021-12-06 17:23:18,546 WARN L227 SmtUtils]: Spent 8.11s on a formula simplification. DAG size of input: 50 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 17:23:32,823 WARN L227 SmtUtils]: Spent 10.11s on a formula simplification. DAG size of input: 50 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 17:23:49,109 WARN L227 SmtUtils]: Spent 12.12s on a formula simplification. DAG size of input: 50 DAG size of output: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-12-06 17:24:01,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:01,878 INFO L93 Difference]: Finished difference Result 184 states and 208 transitions. [2021-12-06 17:24:01,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-06 17:24:01,879 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 46 states have (on average 1.6521739130434783) internal successors, (76), 39 states have internal predecessors, (76), 16 states have call successors, (18), 12 states have call predecessors, (18), 14 states have return successors, (16), 15 states have call predecessors, (16), 14 states have call successors, (16) Word has length 60 [2021-12-06 17:24:01,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:01,880 INFO L225 Difference]: With dead ends: 184 [2021-12-06 17:24:01,880 INFO L226 Difference]: Without dead ends: 115 [2021-12-06 17:24:01,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1944 ImplicationChecksByTransitivity, 228.8s TimeCoverageRelationStatistics Valid=468, Invalid=5462, Unknown=80, NotChecked=152, Total=6162 [2021-12-06 17:24:01,883 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 60 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 249 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:01,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [60 Valid, 701 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 550 Invalid, 0 Unknown, 249 Unchecked, 1.1s Time] [2021-12-06 17:24:01,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-12-06 17:24:01,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 112. [2021-12-06 17:24:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 82 states have (on average 1.1341463414634145) internal successors, (93), 85 states have internal predecessors, (93), 14 states have call successors, (14), 10 states have call predecessors, (14), 13 states have return successors, (21), 16 states have call predecessors, (21), 14 states have call successors, (21) [2021-12-06 17:24:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 128 transitions. [2021-12-06 17:24:01,896 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 128 transitions. Word has length 60 [2021-12-06 17:24:01,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:01,897 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 128 transitions. [2021-12-06 17:24:01,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 46 states have (on average 1.6521739130434783) internal successors, (76), 39 states have internal predecessors, (76), 16 states have call successors, (18), 12 states have call predecessors, (18), 14 states have return successors, (16), 15 states have call predecessors, (16), 14 states have call successors, (16) [2021-12-06 17:24:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 128 transitions. [2021-12-06 17:24:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-06 17:24:01,898 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:01,898 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:01,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 17:24:02,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2021-12-06 17:24:02,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt [2021-12-06 17:24:02,301 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [mutex_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:24:02,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:02,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1396904013, now seen corresponding path program 1 times [2021-12-06 17:24:02,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:24:02,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949517314] [2021-12-06 17:24:02,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:02,304 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:24:02,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:24:02,307 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:24:02,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 17:24:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:02,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 109 conjunts are in the unsatisfiable core [2021-12-06 17:24:02,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:24:02,929 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 17:24:02,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 31 [2021-12-06 17:24:03,239 INFO L354 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2021-12-06 17:24:03,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 56 [2021-12-06 17:24:03,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:24:03,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:24:04,136 INFO L354 Elim1Store]: treesize reduction 59, result has 35.2 percent of original size [2021-12-06 17:24:04,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 55 [2021-12-06 17:24:04,193 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:04,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 58 treesize of output 76 [2021-12-06 17:24:04,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 26 treesize of output 29 [2021-12-06 17:24:04,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 27 treesize of output 24 [2021-12-06 17:24:04,248 INFO L354 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2021-12-06 17:24:04,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 13 treesize of output 17 [2021-12-06 17:24:04,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:24:04,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:24:04,615 INFO L354 Elim1Store]: treesize reduction 79, result has 26.9 percent of original size [2021-12-06 17:24:04,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 103 [2021-12-06 17:24:04,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:24:04,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:24:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:24:04,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:24:04,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:24:04,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:24:04,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:24:04,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:24:04,865 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:24:04,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 14 [2021-12-06 17:24:04,899 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:24:04,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 24 treesize of output 14 [2021-12-06 17:24:05,185 INFO L354 Elim1Store]: treesize reduction 14, result has 57.6 percent of original size [2021-12-06 17:24:05,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 151 treesize of output 151 [2021-12-06 17:24:05,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:24:05,328 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:05,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 151 treesize of output 155 [2021-12-06 17:24:06,084 INFO L354 Elim1Store]: treesize reduction 15, result has 54.5 percent of original size [2021-12-06 17:24:06,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 410 treesize of output 274 [2021-12-06 17:24:06,439 INFO L354 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2021-12-06 17:24:06,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 266 treesize of output 205 [2021-12-06 17:24:06,751 INFO L354 Elim1Store]: treesize reduction 86, result has 45.2 percent of original size [2021-12-06 17:24:06,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 179 treesize of output 219 [2021-12-06 17:24:06,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:24:06,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:24:06,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-12-06 17:24:07,108 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:07,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 22 [2021-12-06 17:24:07,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 26 treesize of output 23 [2021-12-06 17:24:07,687 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:07,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 21 [2021-12-06 17:24:07,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:24:07,763 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:24:07,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 26 treesize of output 20 [2021-12-06 17:24:07,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:24:08,571 INFO L354 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2021-12-06 17:24:08,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 112 treesize of output 114 [2021-12-06 17:24:08,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:24:08,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:24:09,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:24:09,311 INFO L354 Elim1Store]: treesize reduction 42, result has 27.6 percent of original size [2021-12-06 17:24:09,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 144 treesize of output 140 [2021-12-06 17:24:09,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:24:09,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:24:09,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:24:09,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:24:09,927 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:24:09,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-12-06 17:24:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:24:10,668 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:10,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 60 [2021-12-06 17:24:16,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 162 treesize of output 146 [2021-12-06 17:24:16,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 146 treesize of output 134 [2021-12-06 17:24:25,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1360 treesize of output 1288 [2021-12-06 17:24:25,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1827 treesize of output 1731 [2021-12-06 17:24:26,053 INFO L354 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2021-12-06 17:24:26,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 1751 treesize of output 1737 [2021-12-06 17:24:26,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1587 treesize of output 1577 [2021-12-06 17:24:26,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1577 treesize of output 1563 [2021-12-06 17:24:26,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1563 treesize of output 1553 [2021-12-06 17:24:26,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1553 treesize of output 1543 [2021-12-06 17:24:26,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1543 treesize of output 1537 [2021-12-06 17:24:26,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1537 treesize of output 1523 [2021-12-06 17:24:26,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1523 treesize of output 1511 [2021-12-06 17:24:26,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1511 treesize of output 1495 [2021-12-06 17:24:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 17:24:27,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:24:48,570 INFO L354 Elim1Store]: treesize reduction 29, result has 67.0 percent of original size [2021-12-06 17:24:48,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 527 treesize of output 336 [2021-12-06 17:24:50,181 INFO L354 Elim1Store]: treesize reduction 75, result has 51.3 percent of original size [2021-12-06 17:24:50,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 321 treesize of output 316 [2021-12-06 17:24:50,215 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:50,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 202 treesize of output 165 [2021-12-06 17:24:50,249 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:50,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 140 treesize of output 144 [2021-12-06 17:24:50,281 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:50,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 137 treesize of output 138 [2021-12-06 17:24:50,355 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:50,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 247 treesize of output 264 [2021-12-06 17:24:50,398 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:50,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 230 treesize of output 232 [2021-12-06 17:24:50,439 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:50,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 226 treesize of output 230 [2021-12-06 17:24:50,523 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:50,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 257 treesize of output 282 [2021-12-06 17:24:50,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 238 treesize of output 236 [2021-12-06 17:24:52,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 184 treesize of output 173 [2021-12-06 17:24:52,530 INFO L354 Elim1Store]: treesize reduction 80, result has 47.7 percent of original size [2021-12-06 17:24:52,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 197 treesize of output 195 [2021-12-06 17:24:53,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 4 [2021-12-06 17:24:55,164 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:55,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 77 [2021-12-06 17:24:55,838 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:55,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 77 [2021-12-06 17:24:56,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 4 [2021-12-06 17:24:57,559 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:57,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 113 treesize of output 121 [2021-12-06 17:24:57,797 INFO L354 Elim1Store]: treesize reduction 14, result has 60.0 percent of original size [2021-12-06 17:24:57,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-12-06 17:24:57,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 4 [2021-12-06 17:24:57,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-12-06 17:24:57,990 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:57,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 69 treesize of output 89 [2021-12-06 17:24:57,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 43 treesize of output 32 [2021-12-06 17:24:58,117 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:24:58,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 58 [2021-12-06 17:24:58,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-12-06 17:24:58,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2021-12-06 17:24:58,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2021-12-06 17:24:58,405 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-12-06 17:24:58,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2021-12-06 17:24:58,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 6 treesize of output 4 [2021-12-06 17:24:58,917 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-12-06 17:25:00,157 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:25:00,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949517314] [2021-12-06 17:25:00,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949517314] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:25:00,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1478442987] [2021-12-06 17:25:00,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:00,158 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 17:25:00,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 17:25:00,159 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 17:25:00,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2021-12-06 17:25:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 120 conjunts are in the unsatisfiable core [2021-12-06 17:25:00,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:25:00,928 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-06 17:25:00,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 17 treesize of output 26 [2021-12-06 17:25:03,558 INFO L354 Elim1Store]: treesize reduction 8, result has 60.0 percent of original size [2021-12-06 17:25:03,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 19 treesize of output 28 [2021-12-06 17:25:04,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:25:04,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:25:06,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 3 [2021-12-06 17:25:07,885 INFO L354 Elim1Store]: treesize reduction 440, result has 35.4 percent of original size [2021-12-06 17:25:07,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 474 treesize of output 483 [2021-12-06 17:25:07,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:07,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 69 treesize of output 49 [2021-12-06 17:25:07,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:08,082 INFO L354 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2021-12-06 17:25:08,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 33 treesize of output 41 [2021-12-06 17:25:08,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 15 [2021-12-06 17:25:08,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 15 [2021-12-06 17:25:08,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 7 treesize of output 5 [2021-12-06 17:25:08,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:08,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:25:08,573 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:08,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:08,694 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:08,739 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:08,937 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:25:08,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 26 treesize of output 28 [2021-12-06 17:25:09,001 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:09,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:09,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-12-06 17:25:09,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:09,729 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:25:09,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 44 treesize of output 62 [2021-12-06 17:25:09,954 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:25:09,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 105 treesize of output 121 [2021-12-06 17:25:10,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:25:10,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:25:10,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:25:10,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:10,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:25:10,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-12-06 17:25:10,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2021-12-06 17:25:10,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 8 treesize of output 6 [2021-12-06 17:25:10,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-12-06 17:25:10,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2021-12-06 17:25:11,101 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:11,212 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:11,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-12-06 17:25:11,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 27 [2021-12-06 17:25:11,653 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:25:11,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 37 treesize of output 27 [2021-12-06 17:25:11,834 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:25:11,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 43 treesize of output 31 [2021-12-06 17:25:11,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-12-06 17:25:12,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 8 treesize of output 6 [2021-12-06 17:25:12,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 64 [2021-12-06 17:25:12,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-12-06 17:25:12,489 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:12,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:12,628 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:25:12,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 78 treesize of output 72 [2021-12-06 17:25:12,640 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:12,742 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:25:12,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 75 [2021-12-06 17:25:12,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-12-06 17:25:13,035 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:13,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 72 [2021-12-06 17:25:13,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-12-06 17:25:13,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 51 [2021-12-06 17:25:13,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:13,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:25:13,762 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 17:25:13,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 65 treesize of output 55 [2021-12-06 17:25:13,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:13,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:25:13,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2021-12-06 17:25:13,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2021-12-06 17:25:14,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2021-12-06 17:25:14,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:14,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:25:14,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 48 [2021-12-06 17:25:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:14,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:25:14,975 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:15,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 41 [2021-12-06 17:25:15,063 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:15,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2021-12-06 17:25:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:15,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:25:15,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2021-12-06 17:25:15,716 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 17:25:15,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 58 treesize of output 50 [2021-12-06 17:25:15,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:15,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:25:15,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2021-12-06 17:25:16,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2021-12-06 17:25:16,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:16,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:25:16,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2021-12-06 17:25:16,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:16,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:25:16,266 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:16,386 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:16,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 36 [2021-12-06 17:25:17,255 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:25:17,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 479 treesize of output 461 [2021-12-06 17:25:17,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:17,856 INFO L354 Elim1Store]: treesize reduction 9, result has 52.6 percent of original size [2021-12-06 17:25:17,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 33 [2021-12-06 17:25:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:18,063 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:25:18,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 41 [2021-12-06 17:25:18,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:18,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-12-06 17:25:18,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:18,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-12-06 17:25:18,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:18,350 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:25:18,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 41 [2021-12-06 17:25:19,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:19,499 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:19,510 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:25:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:21,379 INFO L354 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2021-12-06 17:25:21,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 37 [2021-12-06 17:25:21,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:21,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2021-12-06 17:25:21,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:22,084 INFO L354 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2021-12-06 17:25:22,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 37 [2021-12-06 17:25:26,699 INFO L354 Elim1Store]: treesize reduction 765, result has 33.0 percent of original size [2021-12-06 17:25:26,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 17 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 18 new quantified variables, introduced 34 case distinctions, treesize of input 1124 treesize of output 1206 [2021-12-06 17:25:53,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,705 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:25:53,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 28 treesize of output 20 [2021-12-06 17:25:54,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:54,318 INFO L354 Elim1Store]: treesize reduction 11, result has 42.1 percent of original size [2021-12-06 17:25:54,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 28 [2021-12-06 17:25:54,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:54,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-12-06 17:25:54,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:54,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-12-06 17:25:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:55,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:55,109 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:25:55,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 24 treesize of output 16 [2021-12-06 17:25:55,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:55,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:55,473 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-12-06 17:25:55,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 24 treesize of output 16 [2021-12-06 17:25:56,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:56,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-12-06 17:25:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:56,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-12-06 17:25:57,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:57,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-12-06 17:25:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:57,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-12-06 17:25:57,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:57,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-12-06 17:25:58,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:58,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-12-06 17:26:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:01,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:26:02,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:02,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:26:02,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:02,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:26:02,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:02,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:26:04,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:04,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:05,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:05,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:05,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:05,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:06,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:06,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:07,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:07,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:07,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:07,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:09,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:09,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:09,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-12-06 17:26:09,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:09,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:09,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:09,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:09,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:09,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-12-06 17:26:10,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:10,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:10,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:10,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-12-06 17:26:10,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:10,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:10,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-12-06 17:26:11,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:11,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:11,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-12-06 17:26:22,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:26:22,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:26:22,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:26:22,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:26:22,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:22,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2021-12-06 17:26:23,042 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:23,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:26:23,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:26:24,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:25,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:26,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:26,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:26,239 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:26:26,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 28 treesize of output 30 [2021-12-06 17:26:29,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:26:32,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:32,858 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:26:32,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:26:33,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:33,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:33,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:33,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:26:33,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:33,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:33,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:33,899 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:26:33,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-12-06 17:26:34,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:34,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:34,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:34,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:36,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:36,914 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:37,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:37,042 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:37,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:37,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:37,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:40,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:40,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:41,018 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:26:41,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 19 [2021-12-06 17:26:41,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:41,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:41,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:41,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:41,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 17:26:41,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:41,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 17:26:41,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:41,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 17:26:42,370 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-12-06 17:26:42,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 14 [2021-12-06 17:26:46,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:46,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:46,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-12-06 17:26:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:46,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-12-06 17:26:46,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:47,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:47,266 INFO L354 Elim1Store]: treesize reduction 9, result has 52.6 percent of original size [2021-12-06 17:26:47,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 192 treesize of output 194 [2021-12-06 17:26:47,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:47,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:47,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:47,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 77 [2021-12-06 17:26:48,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:48,333 INFO L354 Elim1Store]: treesize reduction 9, result has 52.6 percent of original size [2021-12-06 17:26:48,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 139 treesize of output 133 [2021-12-06 17:26:50,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:50,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 74 [2021-12-06 17:26:50,488 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:50,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-12-06 17:26:50,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:50,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-12-06 17:26:51,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:51,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:51,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 181 [2021-12-06 17:26:51,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:51,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 134 treesize of output 120 [2021-12-06 17:26:54,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:54,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:54,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:54,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:54,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:55,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 5 treesize of output 3 [2021-12-06 17:26:55,128 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:55,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:55,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:56,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:56,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:56,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:56,667 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:56,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:57,012 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:57,041 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:26:57,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:57,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:57,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:57,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:57,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:57,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:26:57,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:27:00,960 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:00,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 163 treesize of output 153 [2021-12-06 17:27:01,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:01,019 INFO L354 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2021-12-06 17:27:01,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 16 [2021-12-06 17:27:01,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:01,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:01,120 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:27:01,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 18 treesize of output 10 [2021-12-06 17:27:01,328 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-12-06 17:27:01,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 37 [2021-12-06 17:27:01,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:01,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:01,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-12-06 17:27:01,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:01,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2021-12-06 17:27:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:01,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:01,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:01,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-12-06 17:27:01,609 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:27:01,795 INFO L354 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2021-12-06 17:27:01,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 64 treesize of output 64 [2021-12-06 17:27:02,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:02,070 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:02,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 42 treesize of output 40 [2021-12-06 17:27:02,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:02,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-12-06 17:27:02,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:02,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-06 17:27:02,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:27:02,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:27:02,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:02,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-12-06 17:27:03,195 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:03,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 19 [2021-12-06 17:27:03,256 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:03,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 19 [2021-12-06 17:27:03,309 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:03,309 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 19 [2021-12-06 17:27:03,372 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:03,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 19 [2021-12-06 17:27:03,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:03,452 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:03,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 38 [2021-12-06 17:27:03,538 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:03,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 19 [2021-12-06 17:27:03,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:03,618 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:03,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 38 [2021-12-06 17:27:03,696 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:03,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 19 [2021-12-06 17:27:03,972 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:03,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 19 [2021-12-06 17:27:04,068 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-12-06 17:27:04,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 14 [2021-12-06 17:27:04,116 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:04,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 19 [2021-12-06 17:27:04,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:04,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-12-06 17:27:04,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:04,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:27:04,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:27:04,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 7 [2021-12-06 17:27:04,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-12-06 17:27:04,443 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:04,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 19 [2021-12-06 17:27:14,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:27:14,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 542 treesize of output 524 [2021-12-06 17:27:14,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:27:14,813 INFO L354 Elim1Store]: treesize reduction 66, result has 18.5 percent of original size [2021-12-06 17:27:14,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 761 treesize of output 511 [2021-12-06 17:27:18,222 INFO L354 Elim1Store]: treesize reduction 2604, result has 28.2 percent of original size [2021-12-06 17:27:18,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 32 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 34 new quantified variables, introduced 97 case distinctions, treesize of input 3023 treesize of output 2663 [2021-12-06 17:27:18,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:27:18,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 2648 treesize of output 2572 [2021-12-06 17:27:18,453 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 17:27:18,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 2609 treesize of output 2627 [2021-12-06 17:27:19,310 INFO L354 Elim1Store]: treesize reduction 176, result has 27.0 percent of original size [2021-12-06 17:27:19,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 2657 treesize of output 2709 [2021-12-06 17:27:19,443 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Should have been eliminated by DER [2021-12-06 17:27:19,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981758716] [2021-12-06 17:27:19,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:27:19,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:27:19,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:27:19,444 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:27:19,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 17:27:19,488 FATAL L? ?]: Ignoring exception! java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@3119b886 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:172) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:95) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:274) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.decoupleArrayValues(TransFormulaUtils.java:1226) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:388) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-06 17:27:19,489 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:27:19,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-12-06 17:27:19,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460503637] [2021-12-06 17:27:19,489 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-12-06 17:27:19,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-06 17:27:19,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:27:19,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-06 17:27:19,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=1825, Unknown=42, NotChecked=0, Total=2070 [2021-12-06 17:27:19,491 INFO L87 Difference]: Start difference. First operand 112 states and 128 transitions. Second operand has 21 states, 20 states have (on average 2.1) internal successors, (42), 17 states have internal predecessors, (42), 6 states have call successors, (9), 5 states have call predecessors, (9), 7 states have return successors, (8), 7 states have call predecessors, (8), 6 states have call successors, (8) [2021-12-06 17:27:19,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:27:19,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 75 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=203, Invalid=1825, Unknown=42, NotChecked=0, Total=2070 [2021-12-06 17:27:19,493 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:27:19,493 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:27:19,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2021-12-06 17:27:19,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 17:27:19,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-06 17:27:20,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:27:20,098 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@3119b886 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:206) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:131) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.checkInternal(ChainingHoareTripleChecker.java:455) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.checkInternal(ChainingHoareTripleChecker.java:103) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1058) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:960) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:868) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:784) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:462) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-06 17:27:20,104 INFO L158 Benchmark]: Toolchain (without parser) took 462122.90ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 49.1MB in the beginning and 78.1MB in the end (delta: -29.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2021-12-06 17:27:20,104 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:27:20,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.84ms. Allocated memory is still 71.3MB. Free memory was 48.9MB in the beginning and 39.2MB in the end (delta: 9.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 17:27:20,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.06ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 36.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:27:20,107 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 36.8MB in the beginning and 85.9MB in the end (delta: -49.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-12-06 17:27:20,108 INFO L158 Benchmark]: RCFGBuilder took 409.71ms. Allocated memory is still 104.9MB. Free memory was 85.9MB in the beginning and 68.7MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 17:27:20,108 INFO L158 Benchmark]: TraceAbstraction took 461274.43ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 78.1MB in the end (delta: -9.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-12-06 17:27:20,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.84ms. Allocated memory is still 71.3MB. Free memory was 48.9MB in the beginning and 39.2MB in the end (delta: 9.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.06ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 36.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 36.8MB in the beginning and 85.9MB in the end (delta: -49.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 409.71ms. Allocated memory is still 104.9MB. Free memory was 85.9MB in the beginning and 68.7MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 461274.43ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 78.1MB in the end (delta: -9.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@3119b886 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@3119b886: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-06 17:27:20,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_547bd10f-0d57-4b46-a023-32929dabcf7f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.smtlibutils.IncrementalPlicationChecker@3119b886