./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 117c235a4f4b8a13e27fdb853242738269837f6b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 117c235a4f4b8a13e27fdb853242738269837f6b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 18:42:19,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:42:19,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:42:19,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:42:19,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:42:19,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:42:19,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:42:19,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:42:19,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:42:19,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:42:19,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:42:19,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:42:19,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:42:19,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:42:19,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:42:19,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:42:19,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:42:19,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:42:19,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:42:19,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:42:19,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:42:19,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:42:19,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:42:19,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:42:19,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:42:19,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:42:19,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:42:19,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:42:19,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:42:19,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:42:19,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:42:19,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:42:19,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:42:19,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:42:19,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:42:19,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:42:19,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:42:19,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:42:19,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:42:19,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:42:19,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:42:19,714 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 18:42:19,731 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:42:19,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:42:19,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:42:19,732 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:42:19,732 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:42:19,732 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:42:19,732 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 18:42:19,732 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:42:19,733 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:42:19,733 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 18:42:19,733 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 18:42:19,733 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:42:19,733 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 18:42:19,733 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 18:42:19,733 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 18:42:19,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:42:19,734 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 18:42:19,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 18:42:19,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 18:42:19,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:42:19,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 18:42:19,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:42:19,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 18:42:19,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:42:19,735 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 18:42:19,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 18:42:19,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:42:19,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 18:42:19,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:42:19,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:42:19,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:42:19,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:42:19,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:42:19,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 18:42:19,736 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 18:42:19,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 18:42:19,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 18:42:19,737 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:42:19,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:42:19,737 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 117c235a4f4b8a13e27fdb853242738269837f6b [2020-12-09 18:42:19,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:42:19,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:42:19,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:42:19,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:42:19,928 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:42:19,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label24.c [2020-12-09 18:42:19,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/data/c27f74149/0ef6d6ff48e144dc92fea36b7519ce88/FLAGac940abc1 [2020-12-09 18:42:20,381 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:42:20,381 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/sv-benchmarks/c/eca-rers2012/Problem14_label24.c [2020-12-09 18:42:20,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/data/c27f74149/0ef6d6ff48e144dc92fea36b7519ce88/FLAGac940abc1 [2020-12-09 18:42:20,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/data/c27f74149/0ef6d6ff48e144dc92fea36b7519ce88 [2020-12-09 18:42:20,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:42:20,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:42:20,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:42:20,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:42:20,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:42:20,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7951446a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20, skipping insertion in model container [2020-12-09 18:42:20,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:42:20,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:42:20,593 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/sv-benchmarks/c/eca-rers2012/Problem14_label24.c[4340,4353] [2020-12-09 18:42:20,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:42:20,729 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 18:42:20,747 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/sv-benchmarks/c/eca-rers2012/Problem14_label24.c[4340,4353] [2020-12-09 18:42:20,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:42:20,824 INFO L208 MainTranslator]: Completed translation [2020-12-09 18:42:20,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20 WrapperNode [2020-12-09 18:42:20,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:42:20,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 18:42:20,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 18:42:20,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 18:42:20,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 18:42:20,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 18:42:20,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 18:42:20,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 18:42:20,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (1/1) ... [2020-12-09 18:42:20,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 18:42:20,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 18:42:20,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 18:42:20,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 18:42:20,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:42:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 18:42:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 18:42:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 18:42:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 18:42:32,026 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 18:42:32,027 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 18:42:32,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:42:32 BoogieIcfgContainer [2020-12-09 18:42:32,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 18:42:32,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 18:42:32,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 18:42:32,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 18:42:32,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:42:20" (1/3) ... [2020-12-09 18:42:32,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a49d238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:42:32, skipping insertion in model container [2020-12-09 18:42:32,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:20" (2/3) ... [2020-12-09 18:42:32,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a49d238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:42:32, skipping insertion in model container [2020-12-09 18:42:32,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:42:32" (3/3) ... [2020-12-09 18:42:32,034 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2020-12-09 18:42:32,044 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 18:42:32,046 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 18:42:32,053 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 18:42:32,072 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 18:42:32,072 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 18:42:32,072 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 18:42:32,072 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 18:42:32,072 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 18:42:32,072 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 18:42:32,072 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 18:42:32,072 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 18:42:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 18:42:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 18:42:32,085 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:42:32,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 18:42:32,085 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:42:32,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:42:32,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1037748303, now seen corresponding path program 1 times [2020-12-09 18:42:32,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 18:42:32,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39362725] [2020-12-09 18:42:32,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 18:42:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:42:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:42:32,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39362725] [2020-12-09 18:42:32,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:42:32,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:42:32,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759953160] [2020-12-09 18:42:32,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:42:32,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 18:42:32,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:42:32,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:42:32,278 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 18:42:32,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:42:32,374 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 18:42:32,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:42:32,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 18:42:32,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:42:32,382 INFO L225 Difference]: With dead ends: 23 [2020-12-09 18:42:32,382 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 18:42:32,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:42:32,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 18:42:32,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 18:42:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 18:42:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 18:42:32,405 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 18:42:32,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:42:32,405 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 18:42:32,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:42:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 18:42:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 18:42:32,406 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:42:32,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 18:42:32,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 18:42:32,406 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:42:32,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:42:32,407 INFO L82 PathProgramCache]: Analyzing trace with hash 298678655, now seen corresponding path program 1 times [2020-12-09 18:42:32,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 18:42:32,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210568428] [2020-12-09 18:42:32,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 18:42:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:42:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:42:32,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210568428] [2020-12-09 18:42:32,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425651080] [2020-12-09 18:42:32,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:42:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:42:32,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 18:42:32,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:42:33,063 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 83 [2020-12-09 18:42:33,122 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,123 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,125 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,126 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,127 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,128 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,129 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,133 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,137 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,138 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,140 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,143 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,144 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,148 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,150 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,151 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,152 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,155 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,158 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:42:33,160 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,163 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,164 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,164 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,168 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,169 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:42:33,177 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,177 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,178 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,179 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,180 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,183 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,184 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,187 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:42:33,189 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,190 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,192 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,195 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,196 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:42:33,197 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,198 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,201 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:42:33,205 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,206 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,209 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,211 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,212 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,213 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,214 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,214 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,216 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,216 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,217 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,218 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,218 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,221 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,222 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,225 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,226 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:42:33,227 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,230 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,230 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,234 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,235 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:42:33,236 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,237 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,238 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:42:33,238 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:42:33,243 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,245 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,246 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,246 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,249 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:42:33,250 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,254 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:42:33,254 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:42:33,255 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 18:42:33,255 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,256 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,256 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,257 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,260 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:42:33,261 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:42:33,264 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,264 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,266 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,269 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 18:42:33,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:42:33,270 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,271 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,273 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:42:33,276 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:42:33,277 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 18:42:33,278 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 18:42:33,280 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 18:42:33,287 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 14, 4, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 18:42:33,287 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 18:42:33,288 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 18:42:33,288 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 18:42:33,289 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 18:42:33,289 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 18:42:33,290 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 18:42:33,290 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 18:42:33,290 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-09 18:42:33,290 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,291 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 2, 4, 1] term [2020-12-09 18:42:33,291 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,292 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 5, 4, 2, 4, 1] term [2020-12-09 18:42:33,292 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,293 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 18:42:33,293 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 18:42:33,293 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 18:42:33,294 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 18:42:33,295 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 18:42:33,295 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,298 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 18:42:33,298 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,299 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,305 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 18:42:33,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,309 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,312 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,312 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,314 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,317 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,317 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,320 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,321 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,324 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,325 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,327 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,329 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,332 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,333 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 18:42:33,334 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,334 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,337 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,339 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 18:42:33,339 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,340 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,342 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,343 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,344 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,346 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,348 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,351 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 18:42:33,352 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,352 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,355 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,355 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,356 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,361 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,363 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,364 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,367 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 18:42:33,368 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,368 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,370 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,372 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,375 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 18:42:33,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,394 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,394 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,395 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,397 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,399 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,400 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 18:42:33,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,402 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,403 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,404 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,406 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,410 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,411 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,413 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,413 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,417 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,419 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,420 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 18:42:33,420 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,422 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,423 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,429 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,429 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,430 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,433 INFO L639 QuantifierPusher]: Distributing 18 conjuncts over 2 disjuncts [2020-12-09 18:42:33,434 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 18:42:33,435 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,437 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 18:42:33,438 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 18:42:33,439 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,440 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,441 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,444 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,444 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,446 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,447 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,449 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 18:42:33,450 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 18:42:33,452 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,452 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,455 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 18:42:33,457 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 18:42:33,457 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,458 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,460 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,460 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,462 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,462 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,465 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,465 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,467 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,469 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,470 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 18:42:33,470 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,471 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 18:42:33,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,474 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,474 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,476 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,478 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,483 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 18:42:33,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,485 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,485 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,488 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,490 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,491 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,493 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,495 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,498 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,498 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,499 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 18:42:33,501 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,502 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,503 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 18:42:33,505 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,508 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,509 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,511 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 3 disjuncts [2020-12-09 18:42:33,511 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 18:42:33,512 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,513 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,514 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,515 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 18:42:33,516 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,517 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,518 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,519 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,520 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,521 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,523 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,525 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,526 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,526 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,529 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 18:42:33,529 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,530 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,531 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,534 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,535 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,536 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 18:42:33,536 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,537 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 18:42:33,539 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,540 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,540 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,542 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,542 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,544 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,545 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,546 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,548 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 18:42:33,548 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,550 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,551 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,552 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,554 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,556 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,556 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,558 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,559 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,561 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,562 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 18:42:33,562 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,564 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 18:42:33,566 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,566 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,568 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 18:42:33,571 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,571 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,574 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 18:42:33,574 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,575 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 18:42:33,578 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,579 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,580 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 18:42:33,582 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:42:33,582 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,584 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:42:33,586 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,586 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,588 INFO L639 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-12-09 18:42:33,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,590 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 18:42:33,590 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,591 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,592 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,593 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,594 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,595 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,597 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 18:42:33,597 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,598 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,599 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,601 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,601 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,604 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,606 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,608 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,609 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,611 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,612 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,614 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,615 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,616 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,617 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:42:33,618 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,619 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,621 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 18:42:33,621 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,623 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 18:42:33,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,625 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,629 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:42:33,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:42:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:42:33,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:42:34,072 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 2659 DAG size of output: 2499 [2020-12-09 18:42:34,092 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 18:42:34,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [955342052] [2020-12-09 18:42:34,108 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 18:42:34,108 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 18:42:34,111 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 18:42:34,115 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 18:42:34,115 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 18:42:34,239 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2020-12-09 18:42:34,736 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2020-12-09 18:42:35,739 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 2486 DAG size of output: 2345 [2020-12-09 18:42:50,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 18:42:50,730 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: variable got div captured at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:776) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:739) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:656) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:358) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:151) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:202) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) 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:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java: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) [2020-12-09 18:42:50,740 INFO L168 Benchmark]: Toolchain (without parser) took 30329.70 ms. Allocated memory was 109.1 MB in the beginning and 633.3 MB in the end (delta: 524.3 MB). Free memory was 70.5 MB in the beginning and 308.6 MB in the end (delta: -238.1 MB). Peak memory consumption was 485.8 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:50,742 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 109.1 MB. Free memory was 88.8 MB in the beginning and 88.7 MB in the end (delta: 78.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:42:50,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.05 ms. Allocated memory is still 109.1 MB. Free memory was 70.3 MB in the beginning and 64.2 MB in the end (delta: 6.1 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:50,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.60 ms. Allocated memory is still 109.1 MB. Free memory was 64.2 MB in the beginning and 54.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:50,749 INFO L168 Benchmark]: Boogie Preprocessor took 71.92 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 54.6 MB in the beginning and 102.1 MB in the end (delta: -47.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:50,751 INFO L168 Benchmark]: RCFGBuilder took 11049.57 ms. Allocated memory was 132.1 MB in the beginning and 339.7 MB in the end (delta: 207.6 MB). Free memory was 102.1 MB in the beginning and 80.8 MB in the end (delta: 21.2 MB). Peak memory consumption was 247.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:50,754 INFO L168 Benchmark]: TraceAbstraction took 18706.56 ms. Allocated memory was 339.7 MB in the beginning and 633.3 MB in the end (delta: 293.6 MB). Free memory was 79.8 MB in the beginning and 308.6 MB in the end (delta: -228.8 MB). Peak memory consumption was 265.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:42:50,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 109.1 MB. Free memory was 88.8 MB in the beginning and 88.7 MB in the end (delta: 78.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.05 ms. Allocated memory is still 109.1 MB. Free memory was 70.3 MB in the beginning and 64.2 MB in the end (delta: 6.1 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.60 ms. Allocated memory is still 109.1 MB. Free memory was 64.2 MB in the beginning and 54.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 71.92 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 54.6 MB in the beginning and 102.1 MB in the end (delta: -47.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11049.57 ms. Allocated memory was 132.1 MB in the beginning and 339.7 MB in the end (delta: 207.6 MB). Free memory was 102.1 MB in the beginning and 80.8 MB in the end (delta: 21.2 MB). Peak memory consumption was 247.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18706.56 ms. Allocated memory was 339.7 MB in the beginning and 633.3 MB in the end (delta: 293.6 MB). Free memory was 79.8 MB in the beginning and 308.6 MB in the end (delta: -228.8 MB). Peak memory consumption was 265.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: variable got div captured de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: variable got div captured: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 18:42:52,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:42:52,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:42:52,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:42:52,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:42:52,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:42:52,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:42:52,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:42:52,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:42:52,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:42:52,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:42:52,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:42:52,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:42:52,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:42:52,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:42:52,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:42:52,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:42:52,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:42:52,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:42:52,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:42:52,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:42:52,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:42:52,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:42:52,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:42:52,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:42:52,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:42:52,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:42:52,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:42:52,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:42:52,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:42:52,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:42:52,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:42:52,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:42:52,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:42:52,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:42:52,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:42:52,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:42:52,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:42:52,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:42:52,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:42:52,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:42:52,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 18:42:52,344 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:42:52,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:42:52,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:42:52,345 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:42:52,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:42:52,346 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:42:52,346 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:42:52,346 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:42:52,346 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:42:52,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:42:52,347 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 18:42:52,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 18:42:52,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:42:52,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 18:42:52,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:42:52,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 18:42:52,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:42:52,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 18:42:52,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 18:42:52,348 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 18:42:52,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 18:42:52,349 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:42:52,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 18:42:52,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:42:52,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 18:42:52,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:42:52,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:42:52,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:42:52,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:42:52,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 18:42:52,350 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 18:42:52,350 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 18:42:52,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 18:42:52,350 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:42:52,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:42:52,351 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-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 117c235a4f4b8a13e27fdb853242738269837f6b [2020-12-09 18:42:52,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:42:52,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:42:52,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:42:52,587 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:42:52,588 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:42:52,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label24.c [2020-12-09 18:42:52,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/data/8c4dab2d8/a1586b5a52e04a4f93a61a3bf4892aac/FLAGebf7b4f4d [2020-12-09 18:42:53,101 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:42:53,101 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/sv-benchmarks/c/eca-rers2012/Problem14_label24.c [2020-12-09 18:42:53,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/data/8c4dab2d8/a1586b5a52e04a4f93a61a3bf4892aac/FLAGebf7b4f4d [2020-12-09 18:42:53,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/data/8c4dab2d8/a1586b5a52e04a4f93a61a3bf4892aac [2020-12-09 18:42:53,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:42:53,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:42:53,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:42:53,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:42:53,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:42:53,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4940b373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53, skipping insertion in model container [2020-12-09 18:42:53,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:42:53,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:42:53,340 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/sv-benchmarks/c/eca-rers2012/Problem14_label24.c[4340,4353] [2020-12-09 18:42:53,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:42:53,548 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 18:42:53,572 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/sv-benchmarks/c/eca-rers2012/Problem14_label24.c[4340,4353] [2020-12-09 18:42:53,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:42:53,685 INFO L208 MainTranslator]: Completed translation [2020-12-09 18:42:53,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53 WrapperNode [2020-12-09 18:42:53,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:42:53,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 18:42:53,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 18:42:53,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 18:42:53,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 18:42:53,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 18:42:53,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 18:42:53,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 18:42:53,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (1/1) ... [2020-12-09 18:42:53,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 18:42:53,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 18:42:53,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 18:42:53,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 18:42:53,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:42:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 18:42:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 18:42:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 18:42:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 18:42:56,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 18:42:56,238 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 18:42:56,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:42:56 BoogieIcfgContainer [2020-12-09 18:42:56,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 18:42:56,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 18:42:56,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 18:42:56,242 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 18:42:56,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:42:53" (1/3) ... [2020-12-09 18:42:56,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285e48d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:42:56, skipping insertion in model container [2020-12-09 18:42:56,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:42:53" (2/3) ... [2020-12-09 18:42:56,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285e48d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:42:56, skipping insertion in model container [2020-12-09 18:42:56,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:42:56" (3/3) ... [2020-12-09 18:42:56,245 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label24.c [2020-12-09 18:42:56,254 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 18:42:56,256 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 18:42:56,263 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 18:42:56,279 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 18:42:56,279 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 18:42:56,279 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 18:42:56,280 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 18:42:56,280 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 18:42:56,280 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 18:42:56,280 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 18:42:56,280 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 18:42:56,292 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-09 18:42:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-09 18:42:56,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:42:56,298 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:42:56,298 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:42:56,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:42:56,302 INFO L82 PathProgramCache]: Analyzing trace with hash 751578873, now seen corresponding path program 1 times [2020-12-09 18:42:56,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:42:56,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509221703] [2020-12-09 18:42:56,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 18:42:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:42:56,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 18:42:56,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:42:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:42:56,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:42:56,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509221703] [2020-12-09 18:42:56,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:42:56,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:42:56,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689529671] [2020-12-09 18:42:56,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:42:56,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:42:56,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:42:56,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:42:56,502 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-09 18:42:59,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:42:59,575 INFO L93 Difference]: Finished difference Result 685 states and 1216 transitions. [2020-12-09 18:42:59,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:42:59,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-09 18:42:59,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:42:59,586 INFO L225 Difference]: With dead ends: 685 [2020-12-09 18:42:59,586 INFO L226 Difference]: Without dead ends: 360 [2020-12-09 18:42:59,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:42:59,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-09 18:42:59,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-09 18:42:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-09 18:42:59,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2020-12-09 18:42:59,631 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 41 [2020-12-09 18:42:59,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:42:59,632 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2020-12-09 18:42:59,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:42:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2020-12-09 18:42:59,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-09 18:42:59,635 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:42:59,635 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:42:59,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 18:42:59,837 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:42:59,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:42:59,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1341344914, now seen corresponding path program 1 times [2020-12-09 18:42:59,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:42:59,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442915967] [2020-12-09 18:42:59,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 18:42:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:00,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 18:43:00,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:43:00,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:43:00,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442915967] [2020-12-09 18:43:00,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:43:00,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:43:00,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533036213] [2020-12-09 18:43:00,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:43:00,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:43:00,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:43:00,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:43:00,130 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 3 states. [2020-12-09 18:43:02,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:43:02,302 INFO L93 Difference]: Finished difference Result 896 states and 1232 transitions. [2020-12-09 18:43:02,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:43:02,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-12-09 18:43:02,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:43:02,306 INFO L225 Difference]: With dead ends: 896 [2020-12-09 18:43:02,306 INFO L226 Difference]: Without dead ends: 538 [2020-12-09 18:43:02,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:43:02,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-12-09 18:43:02,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-12-09 18:43:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-09 18:43:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 700 transitions. [2020-12-09 18:43:02,325 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 700 transitions. Word has length 110 [2020-12-09 18:43:02,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:43:02,325 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 700 transitions. [2020-12-09 18:43:02,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:43:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 700 transitions. [2020-12-09 18:43:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-09 18:43:02,332 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:43:02,332 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:43:02,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 18:43:02,534 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:43:02,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:43:02,537 INFO L82 PathProgramCache]: Analyzing trace with hash 2133106952, now seen corresponding path program 1 times [2020-12-09 18:43:02,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:43:02,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111783343] [2020-12-09 18:43:02,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 18:43:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:02,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 18:43:02,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:02,771 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:43:02,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:43:02,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111783343] [2020-12-09 18:43:02,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:43:02,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:43:02,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121851105] [2020-12-09 18:43:02,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:43:02,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:43:02,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:43:02,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:43:02,773 INFO L87 Difference]: Start difference. First operand 538 states and 700 transitions. Second operand 3 states. [2020-12-09 18:43:05,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:43:05,976 INFO L93 Difference]: Finished difference Result 1252 states and 1691 transitions. [2020-12-09 18:43:05,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:43:05,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-12-09 18:43:05,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:43:05,981 INFO L225 Difference]: With dead ends: 1252 [2020-12-09 18:43:05,981 INFO L226 Difference]: Without dead ends: 894 [2020-12-09 18:43:05,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:43:05,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-12-09 18:43:05,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-12-09 18:43:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-12-09 18:43:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1110 transitions. [2020-12-09 18:43:05,997 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1110 transitions. Word has length 146 [2020-12-09 18:43:05,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:43:05,998 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1110 transitions. [2020-12-09 18:43:05,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:43:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1110 transitions. [2020-12-09 18:43:06,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-09 18:43:06,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:43:06,002 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 18:43:06,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 18:43:06,203 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:43:06,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:43:06,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1789882917, now seen corresponding path program 1 times [2020-12-09 18:43:06,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:43:06,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36650251] [2020-12-09 18:43:06,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 18:43:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:06,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 18:43:06,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:06,487 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-09 18:43:06,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:43:06,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36650251] [2020-12-09 18:43:06,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:43:06,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 18:43:06,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446080076] [2020-12-09 18:43:06,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 18:43:06,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:43:06,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 18:43:06,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 18:43:06,489 INFO L87 Difference]: Start difference. First operand 894 states and 1110 transitions. Second operand 4 states. [2020-12-09 18:43:08,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:43:08,724 INFO L93 Difference]: Finished difference Result 1281 states and 1659 transitions. [2020-12-09 18:43:08,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 18:43:08,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 190 [2020-12-09 18:43:08,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:43:08,728 INFO L225 Difference]: With dead ends: 1281 [2020-12-09 18:43:08,728 INFO L226 Difference]: Without dead ends: 716 [2020-12-09 18:43:08,729 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 18:43:08,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-09 18:43:08,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-12-09 18:43:08,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-09 18:43:08,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 881 transitions. [2020-12-09 18:43:08,740 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 881 transitions. Word has length 190 [2020-12-09 18:43:08,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:43:08,740 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 881 transitions. [2020-12-09 18:43:08,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 18:43:08,740 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 881 transitions. [2020-12-09 18:43:08,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-12-09 18:43:08,743 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:43:08,744 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 18:43:08,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 18:43:08,946 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:43:08,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:43:08,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1247237220, now seen corresponding path program 1 times [2020-12-09 18:43:08,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:43:08,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464898095] [2020-12-09 18:43:08,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 18:43:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:09,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 18:43:09,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 116 proven. 131 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 18:43:09,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:43:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 18:43:10,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464898095] [2020-12-09 18:43:10,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 18:43:10,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 18:43:10,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860574904] [2020-12-09 18:43:10,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:43:10,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:43:10,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:43:10,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 18:43:10,176 INFO L87 Difference]: Start difference. First operand 716 states and 881 transitions. Second operand 3 states. [2020-12-09 18:43:15,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:43:15,694 INFO L93 Difference]: Finished difference Result 1430 states and 1920 transitions. [2020-12-09 18:43:15,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:43:15,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 318 [2020-12-09 18:43:15,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:43:15,699 INFO L225 Difference]: With dead ends: 1430 [2020-12-09 18:43:15,699 INFO L226 Difference]: Without dead ends: 1072 [2020-12-09 18:43:15,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 634 GetRequests, 630 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 18:43:15,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-12-09 18:43:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-12-09 18:43:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-12-09 18:43:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1370 transitions. [2020-12-09 18:43:15,715 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1370 transitions. Word has length 318 [2020-12-09 18:43:15,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:43:15,716 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1370 transitions. [2020-12-09 18:43:15,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:43:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1370 transitions. [2020-12-09 18:43:15,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-12-09 18:43:15,720 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:43:15,720 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 18:43:15,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 18:43:15,921 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:43:15,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:43:15,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1347034967, now seen corresponding path program 1 times [2020-12-09 18:43:15,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:43:15,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734786862] [2020-12-09 18:43:15,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 18:43:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:16,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 18:43:16,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:16,370 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 116 proven. 135 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 18:43:16,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:43:17,087 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 18:43:17,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734786862] [2020-12-09 18:43:17,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 18:43:17,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 18:43:17,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457637481] [2020-12-09 18:43:17,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:43:17,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:43:17,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:43:17,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 18:43:17,089 INFO L87 Difference]: Start difference. First operand 1072 states and 1370 transitions. Second operand 3 states. [2020-12-09 18:43:23,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:43:23,688 INFO L93 Difference]: Finished difference Result 2320 states and 3161 transitions. [2020-12-09 18:43:23,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:43:23,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 320 [2020-12-09 18:43:23,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:43:23,694 INFO L225 Difference]: With dead ends: 2320 [2020-12-09 18:43:23,694 INFO L226 Difference]: Without dead ends: 1606 [2020-12-09 18:43:23,695 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 634 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 18:43:23,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2020-12-09 18:43:23,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2020-12-09 18:43:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-12-09 18:43:23,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2032 transitions. [2020-12-09 18:43:23,718 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2032 transitions. Word has length 320 [2020-12-09 18:43:23,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:43:23,719 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 2032 transitions. [2020-12-09 18:43:23,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:43:23,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2032 transitions. [2020-12-09 18:43:23,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-12-09 18:43:23,720 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:43:23,720 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 18:43:23,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 18:43:23,921 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:43:23,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:43:23,921 INFO L82 PathProgramCache]: Analyzing trace with hash -853271176, now seen corresponding path program 1 times [2020-12-09 18:43:23,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:43:23,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789178468] [2020-12-09 18:43:23,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 18:43:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:24,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 18:43:24,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-12-09 18:43:24,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:43:24,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789178468] [2020-12-09 18:43:24,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:43:24,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:43:24,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362245681] [2020-12-09 18:43:24,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:43:24,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:43:24,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:43:24,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:43:24,285 INFO L87 Difference]: Start difference. First operand 1606 states and 2032 transitions. Second operand 3 states. [2020-12-09 18:43:27,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:43:27,386 INFO L93 Difference]: Finished difference Result 3388 states and 4450 transitions. [2020-12-09 18:43:27,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:43:27,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 326 [2020-12-09 18:43:27,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:43:27,394 INFO L225 Difference]: With dead ends: 3388 [2020-12-09 18:43:27,394 INFO L226 Difference]: Without dead ends: 2140 [2020-12-09 18:43:27,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:43:27,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-12-09 18:43:27,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-12-09 18:43:27,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-09 18:43:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2668 transitions. [2020-12-09 18:43:27,426 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2668 transitions. Word has length 326 [2020-12-09 18:43:27,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:43:27,426 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2668 transitions. [2020-12-09 18:43:27,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:43:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2668 transitions. [2020-12-09 18:43:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-12-09 18:43:27,428 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:43:27,428 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:43:27,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 18:43:27,629 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:43:27,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:43:27,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2005266543, now seen corresponding path program 1 times [2020-12-09 18:43:27,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:43:27,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914598768] [2020-12-09 18:43:27,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-12-09 18:43:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:27,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 18:43:27,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 30 proven. 277 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 18:43:28,315 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:43:33,349 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 18 DAG size of output: 3 [2020-12-09 18:43:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 278 proven. 29 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 18:43:33,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914598768] [2020-12-09 18:43:33,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [573564826] [2020-12-09 18:43:33,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:43:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:33,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 18:43:33,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 18:43:34,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:43:34,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 18:43:34,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 9 [2020-12-09 18:43:34,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131899639] [2020-12-09 18:43:34,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:43:34,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:43:34,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:43:34,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-12-09 18:43:34,097 INFO L87 Difference]: Start difference. First operand 2140 states and 2668 transitions. Second operand 3 states. [2020-12-09 18:43:37,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:43:37,136 INFO L93 Difference]: Finished difference Result 4812 states and 6229 transitions. [2020-12-09 18:43:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:43:37,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2020-12-09 18:43:37,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:43:37,146 INFO L225 Difference]: With dead ends: 4812 [2020-12-09 18:43:37,146 INFO L226 Difference]: Without dead ends: 2852 [2020-12-09 18:43:37,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 1034 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-12-09 18:43:37,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2020-12-09 18:43:37,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2318. [2020-12-09 18:43:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-12-09 18:43:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2848 transitions. [2020-12-09 18:43:37,184 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2848 transitions. Word has length 348 [2020-12-09 18:43:37,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:43:37,184 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2848 transitions. [2020-12-09 18:43:37,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:43:37,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2848 transitions. [2020-12-09 18:43:37,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2020-12-09 18:43:37,186 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:43:37,187 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:43:37,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt [2020-12-09 18:43:37,589 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:43:37,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:43:37,591 INFO L82 PathProgramCache]: Analyzing trace with hash -945823375, now seen corresponding path program 1 times [2020-12-09 18:43:37,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:43:37,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [995982192] [2020-12-09 18:43:37,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-12-09 18:43:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:37,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 18:43:37,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 295 proven. 277 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-12-09 18:43:38,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:43:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 543 proven. 29 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-12-09 18:43:39,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [995982192] [2020-12-09 18:43:39,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [342341887] [2020-12-09 18:43:39,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:43:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:39,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 18:43:39,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 18:43:40,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:43:40,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 18:43:40,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4] total 11 [2020-12-09 18:43:40,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276288196] [2020-12-09 18:43:40,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 18:43:40,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:43:40,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 18:43:40,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-09 18:43:40,339 INFO L87 Difference]: Start difference. First operand 2318 states and 2848 transitions. Second operand 6 states. [2020-12-09 18:43:43,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:43:43,894 INFO L93 Difference]: Finished difference Result 4352 states and 5409 transitions. [2020-12-09 18:43:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 18:43:43,895 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 427 [2020-12-09 18:43:43,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:43:43,902 INFO L225 Difference]: With dead ends: 4352 [2020-12-09 18:43:43,902 INFO L226 Difference]: Without dead ends: 2318 [2020-12-09 18:43:43,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1278 GetRequests, 1268 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-09 18:43:43,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2020-12-09 18:43:43,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318. [2020-12-09 18:43:43,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2020-12-09 18:43:43,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2516 transitions. [2020-12-09 18:43:43,931 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2516 transitions. Word has length 427 [2020-12-09 18:43:43,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:43:43,932 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2516 transitions. [2020-12-09 18:43:43,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 18:43:43,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2516 transitions. [2020-12-09 18:43:43,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2020-12-09 18:43:43,935 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:43:43,935 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1] [2020-12-09 18:43:44,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2020-12-09 18:43:44,338 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:43:44,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:43:44,339 INFO L82 PathProgramCache]: Analyzing trace with hash -558960236, now seen corresponding path program 1 times [2020-12-09 18:43:44,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:43:44,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [774514665] [2020-12-09 18:43:44,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-12-09 18:43:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:44,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 18:43:44,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 607 proven. 420 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-12-09 18:43:45,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:43:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 1027 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-12-09 18:43:47,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [774514665] [2020-12-09 18:43:47,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 18:43:47,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 18:43:47,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016003989] [2020-12-09 18:43:47,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:43:47,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:43:47,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:43:47,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 18:43:47,141 INFO L87 Difference]: Start difference. First operand 2318 states and 2516 transitions. Second operand 3 states. [2020-12-09 18:43:49,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:43:49,838 INFO L93 Difference]: Finished difference Result 4812 states and 5284 transitions. [2020-12-09 18:43:49,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:43:49,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 669 [2020-12-09 18:43:49,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:43:49,848 INFO L225 Difference]: With dead ends: 4812 [2020-12-09 18:43:49,848 INFO L226 Difference]: Without dead ends: 2852 [2020-12-09 18:43:49,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1336 GetRequests, 1332 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 18:43:49,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states. [2020-12-09 18:43:49,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2852. [2020-12-09 18:43:49,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2020-12-09 18:43:49,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3116 transitions. [2020-12-09 18:43:49,882 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3116 transitions. Word has length 669 [2020-12-09 18:43:49,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:43:49,883 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3116 transitions. [2020-12-09 18:43:49,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:43:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3116 transitions. [2020-12-09 18:43:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2020-12-09 18:43:49,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:43:49,887 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:43:50,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-12-09 18:43:50,088 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:43:50,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:43:50,089 INFO L82 PathProgramCache]: Analyzing trace with hash 2077868756, now seen corresponding path program 1 times [2020-12-09 18:43:50,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:43:50,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1830163648] [2020-12-09 18:43:50,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-12-09 18:43:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:50,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 18:43:50,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1707 backedges. 1031 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2020-12-09 18:43:50,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:43:50,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1830163648] [2020-12-09 18:43:50,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:43:50,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 18:43:50,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946836348] [2020-12-09 18:43:50,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:43:50,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:43:50,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:43:50,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:43:50,904 INFO L87 Difference]: Start difference. First operand 2852 states and 3116 transitions. Second operand 3 states. [2020-12-09 18:43:52,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:43:52,682 INFO L93 Difference]: Finished difference Result 6414 states and 7068 transitions. [2020-12-09 18:43:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:43:52,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 767 [2020-12-09 18:43:52,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:43:52,699 INFO L225 Difference]: With dead ends: 6414 [2020-12-09 18:43:52,699 INFO L226 Difference]: Without dead ends: 3742 [2020-12-09 18:43:52,701 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 766 GetRequests, 765 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:43:52,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-12-09 18:43:52,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742. [2020-12-09 18:43:52,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2020-12-09 18:43:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4006 transitions. [2020-12-09 18:43:52,744 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4006 transitions. Word has length 767 [2020-12-09 18:43:52,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:43:52,745 INFO L481 AbstractCegarLoop]: Abstraction has 3742 states and 4006 transitions. [2020-12-09 18:43:52,745 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:43:52,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4006 transitions. [2020-12-09 18:43:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2020-12-09 18:43:52,750 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:43:52,751 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 18:43:52,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-12-09 18:43:52,952 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:43:52,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:43:52,954 INFO L82 PathProgramCache]: Analyzing trace with hash -591452369, now seen corresponding path program 1 times [2020-12-09 18:43:52,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:43:52,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2031550750] [2020-12-09 18:43:52,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-12-09 18:43:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:43:53,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 18:43:53,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:43:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 1341 proven. 420 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2020-12-09 18:43:56,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:43:57,703 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-12-09 18:43:57,703 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 18:44:00,367 WARN L197 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 7 [2020-12-09 18:44:02,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2210 backedges. 1761 proven. 0 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2020-12-09 18:44:02,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2031550750] [2020-12-09 18:44:02,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 18:44:02,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 19 [2020-12-09 18:44:02,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538333267] [2020-12-09 18:44:02,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 18:44:02,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:44:02,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 18:44:02,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=234, Unknown=0, NotChecked=0, Total=380 [2020-12-09 18:44:02,763 INFO L87 Difference]: Start difference. First operand 3742 states and 4006 transitions. Second operand 11 states. [2020-12-09 18:44:06,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:44:06,708 INFO L93 Difference]: Finished difference Result 7290 states and 7818 transitions. [2020-12-09 18:44:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 18:44:06,713 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 860 [2020-12-09 18:44:06,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:44:06,725 INFO L225 Difference]: With dead ends: 7290 [2020-12-09 18:44:06,725 INFO L226 Difference]: Without dead ends: 3897 [2020-12-09 18:44:06,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1718 GetRequests, 1654 SyntacticMatches, 46 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=146, Invalid=234, Unknown=0, NotChecked=0, Total=380 [2020-12-09 18:44:06,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3897 states. [2020-12-09 18:44:06,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3897 to 3897. [2020-12-09 18:44:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2020-12-09 18:44:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 4162 transitions. [2020-12-09 18:44:06,771 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 4162 transitions. Word has length 860 [2020-12-09 18:44:06,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:44:06,771 INFO L481 AbstractCegarLoop]: Abstraction has 3897 states and 4162 transitions. [2020-12-09 18:44:06,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 18:44:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 4162 transitions. [2020-12-09 18:44:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2020-12-09 18:44:06,777 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:44:06,778 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 18:44:06,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2020-12-09 18:44:06,979 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:44:06,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:44:06,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1034336854, now seen corresponding path program 1 times [2020-12-09 18:44:06,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:44:06,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1855108161] [2020-12-09 18:44:06,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2020-12-09 18:44:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:44:07,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 18:44:07,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:44:08,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2780 backedges. 311 proven. 2098 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2020-12-09 18:44:08,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:44:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2780 backedges. 1761 proven. 75 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2020-12-09 18:44:10,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1855108161] [2020-12-09 18:44:10,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [920803176] [2020-12-09 18:44:10,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:44:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:44:10,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 18:44:10,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:44:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2780 backedges. 793 proven. 39 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2020-12-09 18:44:11,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:44:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2780 backedges. 793 proven. 39 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2020-12-09 18:44:12,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382284043] [2020-12-09 18:44:12,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:44:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:44:12,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 18:44:12,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:44:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2780 backedges. 321 proven. 511 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2020-12-09 18:44:14,057 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:44:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2780 backedges. 321 proven. 511 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2020-12-09 18:44:15,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 18:44:15,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5, 5] total 17 [2020-12-09 18:44:15,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486992213] [2020-12-09 18:44:15,261 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-09 18:44:15,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:44:15,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-09 18:44:15,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2020-12-09 18:44:15,262 INFO L87 Difference]: Start difference. First operand 3897 states and 4162 transitions. Second operand 17 states. [2020-12-09 18:44:37,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:44:37,989 INFO L93 Difference]: Finished difference Result 10617 states and 11450 transitions. [2020-12-09 18:44:37,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-09 18:44:37,989 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 937 [2020-12-09 18:44:37,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:44:38,013 INFO L225 Difference]: With dead ends: 10617 [2020-12-09 18:44:38,013 INFO L226 Difference]: Without dead ends: 6900 [2020-12-09 18:44:38,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5644 GetRequests, 5614 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=256, Invalid=674, Unknown=0, NotChecked=0, Total=930 [2020-12-09 18:44:38,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6900 states. [2020-12-09 18:44:38,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6900 to 6288. [2020-12-09 18:44:38,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6288 states. [2020-12-09 18:44:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6288 states to 6288 states and 6641 transitions. [2020-12-09 18:44:38,072 INFO L78 Accepts]: Start accepts. Automaton has 6288 states and 6641 transitions. Word has length 937 [2020-12-09 18:44:38,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:44:38,072 INFO L481 AbstractCegarLoop]: Abstraction has 6288 states and 6641 transitions. [2020-12-09 18:44:38,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-09 18:44:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6288 states and 6641 transitions. [2020-12-09 18:44:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1038 [2020-12-09 18:44:38,080 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:44:38,081 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-09 18:44:38,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 cvc4 --incremental --print-success --lang smt [2020-12-09 18:44:38,684 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:44:38,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:44:38,686 INFO L82 PathProgramCache]: Analyzing trace with hash 517412650, now seen corresponding path program 1 times [2020-12-09 18:44:38,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:44:38,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419882147] [2020-12-09 18:44:38,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2020-12-09 18:44:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:44:38,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-09 18:44:38,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:44:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3185 backedges. 1269 proven. 1545 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2020-12-09 18:44:43,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:44:45,235 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 3, 3, 1] term [2020-12-09 18:44:45,235 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 18:44:45,709 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 18:44:46,544 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 18:44:57,550 WARN L197 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 26 DAG size of output: 7 [2020-12-09 18:45:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3185 backedges. 2109 proven. 705 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2020-12-09 18:45:02,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419882147] [2020-12-09 18:45:02,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1643883534] [2020-12-09 18:45:02,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/cvc4 Starting monitored process 20 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:45:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:45:03,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 18:45:03,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:45:04,061 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 18:45:04,061 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:45:04,062 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 18:45:04,062 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:45:04,068 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:45:04,068 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:45:04,072 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:45:04,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:45:04,076 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 18:45:04,076 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:45:04,079 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:45:04,083 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 18:45:04,083 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:45:04,088 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:45:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3185 backedges. 1970 proven. 424 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2020-12-09 18:45:05,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:45:06,080 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-12-09 18:45:06,455 INFO L639 QuantifierPusher]: Distributing 4 disjuncts over 4 conjuncts [2020-12-09 18:45:06,456 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,456 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,457 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,457 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,458 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,461 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,462 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,462 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,468 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,473 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,473 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,476 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,480 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,480 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,482 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,482 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,483 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,485 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,489 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,489 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,493 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,496 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,497 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,497 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,497 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,498 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,501 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,501 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,505 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,507 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,507 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,509 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,509 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,510 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,513 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,517 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,518 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,520 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,521 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,521 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,522 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,522 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,526 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,528 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,529 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:45:06,530 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:45:06,532 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,533 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,533 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,537 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,539 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,540 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,542 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,543 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:45:06,544 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,545 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:45:06,546 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,546 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,547 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,549 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,551 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,552 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:45:06,553 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:45:06,556 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,556 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,557 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,559 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,559 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,560 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,562 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,564 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,564 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,566 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,568 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,568 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,569 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,569 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,571 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,571 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,571 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,573 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,574 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,575 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,577 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,579 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,579 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,580 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,580 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,582 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,584 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,584 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,588 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,591 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,594 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,594 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,594 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 6 conjuncts [2020-12-09 18:45:06,595 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-12-09 18:45:06,595 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,599 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,599 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,602 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,604 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,604 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,605 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,606 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,606 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,608 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,609 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,611 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,611 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,611 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,614 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 6 conjuncts [2020-12-09 18:45:06,614 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-12-09 18:45:06,615 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 6 conjuncts [2020-12-09 18:45:06,617 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,620 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,620 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,622 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,625 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,625 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,627 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,628 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,628 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,630 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,632 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,632 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,635 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,637 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,638 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,638 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,638 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,639 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,641 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 6 conjuncts [2020-12-09 18:45:06,642 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-12-09 18:45:06,642 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,646 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,649 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,649 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,651 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,652 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,652 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,652 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,655 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,655 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,657 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,659 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,660 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,660 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,661 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,662 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,662 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,664 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,666 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,666 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,668 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,670 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,671 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,673 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 6 conjuncts [2020-12-09 18:45:06,674 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 6 conjuncts [2020-12-09 18:45:06,675 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,678 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 6 conjuncts [2020-12-09 18:45:06,681 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,682 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,684 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,686 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,687 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,687 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,688 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,689 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,690 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,690 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,690 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,692 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,694 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 5 conjuncts [2020-12-09 18:45:06,694 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,697 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 5 conjuncts [2020-12-09 18:45:06,700 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,701 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,701 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,703 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,704 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,704 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,707 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,709 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,709 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,710 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,711 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 18:45:06,711 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:06,713 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 18:45:06,715 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-12-09 18:45:06,716 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 4 conjuncts [2020-12-09 18:45:06,718 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 18:45:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3185 backedges. 1937 proven. 457 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2020-12-09 18:45:08,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762420206] [2020-12-09 18:45:08,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:45:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:45:09,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 18:45:09,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:45:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3185 backedges. 373 proven. 469 refuted. 0 times theorem prover too weak. 2343 trivial. 0 not checked. [2020-12-09 18:45:10,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:45:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3185 backedges. 373 proven. 469 refuted. 0 times theorem prover too weak. 2343 trivial. 0 not checked. [2020-12-09 18:45:12,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 18:45:12,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 9, 9, 4, 4] total 35 [2020-12-09 18:45:12,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053555270] [2020-12-09 18:45:12,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-12-09 18:45:12,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:45:12,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-12-09 18:45:12,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=880, Unknown=0, NotChecked=0, Total=1190 [2020-12-09 18:45:12,140 INFO L87 Difference]: Start difference. First operand 6288 states and 6641 transitions. Second operand 35 states. [2020-12-09 18:45:18,133 WARN L197 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-09 18:45:20,424 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-12-09 18:45:24,374 WARN L197 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2020-12-09 18:45:26,954 WARN L197 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2020-12-09 18:45:37,990 WARN L197 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2020-12-09 18:45:40,352 WARN L197 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2020-12-09 18:45:42,880 WARN L197 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-12-09 18:45:45,017 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 59 DAG size of output: 33 [2020-12-09 18:45:51,699 WARN L197 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2020-12-09 18:45:54,645 WARN L197 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-12-09 18:45:57,291 WARN L197 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-09 18:45:59,541 WARN L197 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2020-12-09 18:46:00,751 WARN L197 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-09 18:46:07,104 WARN L197 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-12-09 18:46:21,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:46:21,609 INFO L93 Difference]: Finished difference Result 14228 states and 15010 transitions. [2020-12-09 18:46:21,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-12-09 18:46:21,610 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 1037 [2020-12-09 18:46:21,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:46:21,619 INFO L225 Difference]: With dead ends: 14228 [2020-12-09 18:46:21,619 INFO L226 Difference]: Without dead ends: 7546 [2020-12-09 18:46:21,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6261 GetRequests, 6153 SyntacticMatches, 48 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1109 ImplicationChecksByTransitivity, 45.3s TimeCoverageRelationStatistics Valid=811, Invalid=2971, Unknown=0, NotChecked=0, Total=3782 [2020-12-09 18:46:21,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7546 states. [2020-12-09 18:46:21,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7546 to 5912. [2020-12-09 18:46:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5912 states. [2020-12-09 18:46:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 6132 transitions. [2020-12-09 18:46:21,682 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 6132 transitions. Word has length 1037 [2020-12-09 18:46:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:46:21,683 INFO L481 AbstractCegarLoop]: Abstraction has 5912 states and 6132 transitions. [2020-12-09 18:46:21,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-12-09 18:46:21,683 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 6132 transitions. [2020-12-09 18:46:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2020-12-09 18:46:21,692 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:46:21,692 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-09 18:46:22,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3,21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 cvc4 --incremental --print-success --lang smt [2020-12-09 18:46:22,296 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:46:22,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:46:22,298 INFO L82 PathProgramCache]: Analyzing trace with hash -284793797, now seen corresponding path program 1 times [2020-12-09 18:46:22,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:46:22,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107440636] [2020-12-09 18:46:22,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 22 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with mathsat -unsat_core_generation=3 [2020-12-09 18:46:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:46:22,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 18:46:22,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:46:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3981 backedges. 2271 proven. 1115 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2020-12-09 18:46:26,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:46:27,425 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-12-09 18:46:27,425 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 18:46:28,198 WARN L197 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2020-12-09 18:46:28,798 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-09 18:46:37,794 WARN L197 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 18:46:42,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3981 backedges. 3023 proven. 0 refuted. 363 times theorem prover too weak. 595 trivial. 0 not checked. [2020-12-09 18:46:42,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107440636] [2020-12-09 18:46:42,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [640256353] [2020-12-09 18:46:42,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/cvc4 Starting monitored process 23 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:46:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:46:42,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 18:46:42,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:46:43,988 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-09 18:46:44,281 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:46:44,281 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:46:44,282 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:46:44,284 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:46:44,284 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:46:44,286 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:46:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3981 backedges. 2595 proven. 280 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2020-12-09 18:46:46,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:46:47,402 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:46:47,402 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:46:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3981 backedges. 2719 proven. 156 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2020-12-09 18:46:49,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559679127] [2020-12-09 18:46:49,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:46:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:46:49,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 18:46:49,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:46:50,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3981 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 3631 trivial. 0 not checked. [2020-12-09 18:46:50,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:46:50,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 18:46:50,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11, 11, 9, 9] total 35 [2020-12-09 18:46:50,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068423379] [2020-12-09 18:46:50,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 18:46:50,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:46:50,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 18:46:50,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=888, Unknown=1, NotChecked=0, Total=1190 [2020-12-09 18:46:50,615 INFO L87 Difference]: Start difference. First operand 5912 states and 6132 transitions. Second operand 4 states. [2020-12-09 18:46:54,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:46:54,168 INFO L93 Difference]: Finished difference Result 10507 states and 10939 transitions. [2020-12-09 18:46:54,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 18:46:54,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1150 [2020-12-09 18:46:54,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:46:54,175 INFO L225 Difference]: With dead ends: 10507 [2020-12-09 18:46:54,175 INFO L226 Difference]: Without dead ends: 5912 [2020-12-09 18:46:54,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5747 GetRequests, 5683 SyntacticMatches, 30 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=310, Invalid=949, Unknown=1, NotChecked=0, Total=1260 [2020-12-09 18:46:54,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5912 states. [2020-12-09 18:46:54,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5912 to 5912. [2020-12-09 18:46:54,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5912 states. [2020-12-09 18:46:54,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5912 states to 5912 states and 6130 transitions. [2020-12-09 18:46:54,233 INFO L78 Accepts]: Start accepts. Automaton has 5912 states and 6130 transitions. Word has length 1150 [2020-12-09 18:46:54,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:46:54,234 INFO L481 AbstractCegarLoop]: Abstraction has 5912 states and 6130 transitions. [2020-12-09 18:46:54,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 18:46:54,234 INFO L276 IsEmpty]: Start isEmpty. Operand 5912 states and 6130 transitions. [2020-12-09 18:46:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2020-12-09 18:46:54,243 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:46:54,243 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-09 18:46:54,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 cvc4 --incremental --print-success --lang smt,22 mathsat -unsat_core_generation=3,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:46:54,846 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:46:54,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:46:54,848 INFO L82 PathProgramCache]: Analyzing trace with hash 74494060, now seen corresponding path program 1 times [2020-12-09 18:46:54,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:46:54,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [75938861] [2020-12-09 18:46:54,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2020-12-09 18:46:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:46:55,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 18:46:55,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:46:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4044 backedges. 2316 proven. 1115 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2020-12-09 18:46:59,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:47:00,179 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-12-09 18:47:00,180 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 18:47:01,051 WARN L197 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2020-12-09 18:47:01,611 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2020-12-09 18:47:11,546 WARN L197 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 18:47:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4044 backedges. 2858 proven. 0 refuted. 573 times theorem prover too weak. 613 trivial. 0 not checked. [2020-12-09 18:47:16,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [75938861] [2020-12-09 18:47:16,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [757955640] [2020-12-09 18:47:16,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:47:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:47:16,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 18:47:16,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:47:18,280 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:47:18,280 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:47:18,281 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:47:18,283 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:47:18,283 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 18:47:18,285 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 18:47:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4044 backedges. 2277 proven. 407 refuted. 0 times theorem prover too weak. 1360 trivial. 0 not checked. [2020-12-09 18:47:20,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:47:21,685 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:47:21,685 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:47:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4044 backedges. 2411 proven. 273 refuted. 0 times theorem prover too weak. 1360 trivial. 0 not checked. [2020-12-09 18:47:23,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58417317] [2020-12-09 18:47:23,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:47:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:47:23,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 1276 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 18:47:23,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:47:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4044 backedges. 242 proven. 108 refuted. 0 times theorem prover too weak. 3694 trivial. 0 not checked. [2020-12-09 18:47:25,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:47:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4044 backedges. 242 proven. 108 refuted. 0 times theorem prover too weak. 3694 trivial. 0 not checked. [2020-12-09 18:47:27,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 18:47:27,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 9, 9, 4, 4] total 36 [2020-12-09 18:47:27,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992227059] [2020-12-09 18:47:27,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-12-09 18:47:27,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:47:27,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-12-09 18:47:27,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=934, Unknown=2, NotChecked=0, Total=1260 [2020-12-09 18:47:27,485 INFO L87 Difference]: Start difference. First operand 5912 states and 6130 transitions. Second operand 36 states. [2020-12-09 18:47:38,680 WARN L197 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-09 18:47:44,264 WARN L197 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 33 [2020-12-09 18:48:12,223 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-09 18:49:38,873 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-12-09 18:49:59,857 WARN L197 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2020-12-09 18:50:22,256 WARN L197 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2020-12-09 18:50:37,225 WARN L197 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 18:51:11,145 WARN L197 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-09 18:51:20,539 WARN L197 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-12-09 18:51:31,269 WARN L197 SmtUtils]: Spent 2.72 s on a formula simplification that was a NOOP. DAG size: 27 [2020-12-09 18:51:42,076 WARN L197 SmtUtils]: Spent 6.03 s on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2020-12-09 18:51:57,315 WARN L197 SmtUtils]: Spent 5.94 s on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2020-12-09 18:53:11,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:53:11,078 INFO L93 Difference]: Finished difference Result 13668 states and 14194 transitions. [2020-12-09 18:53:11,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-12-09 18:53:11,078 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 1159 [2020-12-09 18:53:11,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:53:11,079 INFO L225 Difference]: With dead ends: 13668 [2020-12-09 18:53:11,079 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 18:53:11,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6990 GetRequests, 6894 SyntacticMatches, 34 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1213 ImplicationChecksByTransitivity, 103.1s TimeCoverageRelationStatistics Valid=907, Invalid=3115, Unknown=10, NotChecked=0, Total=4032 [2020-12-09 18:53:11,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 18:53:11,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 18:53:11,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 18:53:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 18:53:11,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1159 [2020-12-09 18:53:11,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:53:11,087 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 18:53:11,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-12-09 18:53:11,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 18:53:11,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 18:53:11,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt,27 z3 -smt2 -in SMTLIB2_COMPLIANT=true,25 mathsat -unsat_core_generation=3 [2020-12-09 18:53:11,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 18:53:12,045 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 219 [2020-12-09 18:53:12,285 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 219 [2020-12-09 18:53:25,275 WARN L197 SmtUtils]: Spent 12.99 s on a formula simplification. DAG size of input: 208 DAG size of output: 48 [2020-12-09 18:53:38,559 WARN L197 SmtUtils]: Spent 13.28 s on a formula simplification. DAG size of input: 208 DAG size of output: 48 [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 18:53:38,562 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-09 18:53:38,563 INFO L262 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 18:53:38,564 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,565 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 18:53:38,566 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,567 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 18:53:38,568 INFO L262 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,569 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-09 18:53:38,570 INFO L262 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 18:53:38,571 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,572 INFO L262 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L258 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse3 (not (bvsle ~a12~0 (_ bv4294967253 32)))) (.cse2 (= (_ bv5 32) ~a15~0)) (.cse4 (or (not (bvsge (_ bv11 32) ~a12~0)) (not (bvslt (_ bv4294967253 32) ~a12~0)))) (.cse0 (= (_ bv1 32) ~a24~0)) (.cse1 (not (bvslt (_ bv80 32) (bvadd ~a12~0 (_ bv4294367247 32)))))) (or (and .cse0 .cse1 (not (= (_ bv6 32) ~a15~0))) (and .cse0 .cse2 (= (_ bv6 32) ~a21~0)) (and .cse2 (= (_ bv7 32) ~a21~0) .cse3) (and .cse0 (= (_ bv10 32) ~a21~0) .cse3 (not (bvslt (_ bv11 32) ~a12~0))) (and .cse2 (= (_ bv8 32) ~a21~0)) (and .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse2 (not (bvslt (_ bv80 32) ~a12~0)) .cse4) (and .cse0 .cse1 (= (_ bv9 32) ~a21~0)))) [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-09 18:53:38,573 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,574 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse3 (not (bvsle ~a12~0 (_ bv4294967253 32)))) (.cse2 (= (_ bv5 32) ~a15~0)) (.cse4 (or (not (bvsge (_ bv11 32) ~a12~0)) (not (bvslt (_ bv4294967253 32) ~a12~0)))) (.cse0 (= (_ bv1 32) ~a24~0)) (.cse1 (not (bvslt (_ bv80 32) (bvadd ~a12~0 (_ bv4294367247 32)))))) (or (and .cse0 .cse1 (not (= (_ bv6 32) ~a15~0))) (and .cse0 .cse2 (= (_ bv6 32) ~a21~0)) (and .cse2 (= (_ bv7 32) ~a21~0) .cse3) (and .cse0 (= (_ bv10 32) ~a21~0) .cse3 (not (bvslt (_ bv11 32) ~a12~0))) (and .cse2 (= (_ bv8 32) ~a21~0)) (and .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse2 (not (bvslt (_ bv80 32) ~a12~0)) .cse4) (and .cse0 .cse1 (= (_ bv9 32) ~a21~0)))) [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 18:53:38,575 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 18:53:38,576 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 18:53:38,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:53:38 BoogieIcfgContainer [2020-12-09 18:53:38,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 18:53:38,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 18:53:38,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 18:53:38,592 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 18:53:38,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:42:56" (3/4) ... [2020-12-09 18:53:38,594 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 18:53:38,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 18:53:38,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 18:53:38,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 18:53:38,613 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 18:53:38,697 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8f87ab09-d6af-43e9-ba84-c2b270cfd590/bin/utaipan/witness.graphml [2020-12-09 18:53:38,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 18:53:38,698 INFO L168 Benchmark]: Toolchain (without parser) took 645566.79 ms. Allocated memory was 56.6 MB in the beginning and 599.8 MB in the end (delta: 543.2 MB). Free memory was 33.6 MB in the beginning and 365.2 MB in the end (delta: -331.6 MB). Peak memory consumption was 211.0 MB. Max. memory is 16.1 GB. [2020-12-09 18:53:38,698 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:53:38,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.10 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 33.3 MB in the beginning and 47.2 MB in the end (delta: -13.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-12-09 18:53:38,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.95 ms. Allocated memory is still 73.4 MB. Free memory was 47.2 MB in the beginning and 40.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:53:38,699 INFO L168 Benchmark]: Boogie Preprocessor took 56.49 ms. Allocated memory is still 73.4 MB. Free memory was 40.8 MB in the beginning and 51.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-12-09 18:53:38,699 INFO L168 Benchmark]: RCFGBuilder took 2434.32 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 51.0 MB in the beginning and 42.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. [2020-12-09 18:53:38,699 INFO L168 Benchmark]: TraceAbstraction took 642350.69 ms. Allocated memory was 90.2 MB in the beginning and 599.8 MB in the end (delta: 509.6 MB). Free memory was 41.8 MB in the beginning and 384.3 MB in the end (delta: -342.5 MB). Peak memory consumption was 435.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:53:38,699 INFO L168 Benchmark]: Witness Printer took 105.54 ms. Allocated memory is still 599.8 MB. Free memory was 384.3 MB in the beginning and 365.2 MB in the end (delta: 19.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-09 18:53:38,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 56.6 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 554.10 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 33.3 MB in the beginning and 47.2 MB in the end (delta: -13.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.95 ms. Allocated memory is still 73.4 MB. Free memory was 47.2 MB in the beginning and 40.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.49 ms. Allocated memory is still 73.4 MB. Free memory was 40.8 MB in the beginning and 51.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2434.32 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 51.0 MB in the beginning and 42.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 642350.69 ms. Allocated memory was 90.2 MB in the beginning and 599.8 MB in the end (delta: 509.6 MB). Free memory was 41.8 MB in the beginning and 384.3 MB in the end (delta: -342.5 MB). Peak memory consumption was 435.3 MB. Max. memory is 16.1 GB. * Witness Printer took 105.54 ms. Allocated memory is still 599.8 MB. Free memory was 384.3 MB in the beginning and 365.2 MB in the end (delta: 19.1 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 137]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && !(6bv32 == a15)) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || ((5bv32 == a15 && 7bv32 == a21) && !~bvsle32(a12, 4294967253bv32))) || (((1bv32 == a24 && 10bv32 == a21) && !~bvsle32(a12, 4294967253bv32)) && !~bvslt32(11bv32, a12))) || (5bv32 == a15 && 8bv32 == a21)) || (((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (((!~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32)) && 5bv32 == a15) && !~bvslt32(80bv32, a12)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 9bv32 == a21) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && !(6bv32 == a15)) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || ((5bv32 == a15 && 7bv32 == a21) && !~bvsle32(a12, 4294967253bv32))) || (((1bv32 == a24 && 10bv32 == a21) && !~bvsle32(a12, 4294967253bv32)) && !~bvslt32(11bv32, a12))) || (5bv32 == a15 && 8bv32 == a21)) || (((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (((!~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32)) && 5bv32 == a15) && !~bvslt32(80bv32, a12)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 9bv32 == a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 615.4s, OverallIterations: 16, TraceHistogramMax: 10, AutomataDifference: 480.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 26.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1895 SDtfs, 13011 SDslu, 609 SDs, 0 SdLazy, 40181 SolverSat, 2095 SolverUnsat, 41 SolverUnknown, 0 SolverNotchecked, 328.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32861 GetRequests, 32463 SyntacticMatches, 163 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3026 ImplicationChecksByTransitivity, 175.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6288occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 2780 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 191 NumberOfFragments, 235 HoareAnnotationTreeSize, 3 FomulaSimplifications, 20928 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8190 FormulaSimplificationTreeSizeReductionInter, 26.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 122.3s InterpolantComputationTime, 18146 NumberOfCodeBlocks, 18146 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 32744 ConstructedInterpolants, 0 QuantifiedInterpolants, 243821059 SizeOfPredicates, 103 NumberOfNonLiveVariables, 20410 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 43 InterpolantComputations, 13 PerfectInterpolantSequences, 80385/93943 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...