./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label50.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_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 5e19c1710261daab1224ed195d8f9cf4ddce74c6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 5e19c1710261daab1224ed195d8f9cf4ddce74c6 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:21:59,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:21:59,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:21:59,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:21:59,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:21:59,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:21:59,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:21:59,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:21:59,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:21:59,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:21:59,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:21:59,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:21:59,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:21:59,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:21:59,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:21:59,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:21:59,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:21:59,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:21:59,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:21:59,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:21:59,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:21:59,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:21:59,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:21:59,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:21:59,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:21:59,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:21:59,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:21:59,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:21:59,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:21:59,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:21:59,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:21:59,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:21:59,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:21:59,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:21:59,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:21:59,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:21:59,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:21:59,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:21:59,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:21:59,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:21:59,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:21:59,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 16:21:59,880 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:21:59,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:21:59,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:21:59,881 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:21:59,881 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:21:59,881 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:21:59,881 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:21:59,881 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:21:59,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:21:59,882 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:21:59,882 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:21:59,882 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:21:59,882 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:21:59,882 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:21:59,882 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:21:59,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:21:59,883 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:21:59,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:21:59,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:21:59,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:21:59,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:21:59,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:21:59,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:21:59,884 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:21:59,884 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:21:59,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:21:59,884 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:21:59,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:21:59,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:21:59,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:21:59,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:21:59,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:21:59,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:21:59,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:21:59,885 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:21:59,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:21:59,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:21:59,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:21:59,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:21:59,886 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_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e19c1710261daab1224ed195d8f9cf4ddce74c6 [2020-12-09 16:22:00,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:22:00,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:22:00,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:22:00,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:22:00,075 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:22:00,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c [2020-12-09 16:22:00,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/data/82eb9b93f/404a9e511cbc431eb656f9c3b851cc53/FLAGe2b012ee6 [2020-12-09 16:22:00,554 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:22:00,554 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/sv-benchmarks/c/eca-rers2012/Problem14_label50.c [2020-12-09 16:22:00,564 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/data/82eb9b93f/404a9e511cbc431eb656f9c3b851cc53/FLAGe2b012ee6 [2020-12-09 16:22:00,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/data/82eb9b93f/404a9e511cbc431eb656f9c3b851cc53 [2020-12-09 16:22:00,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:22:00,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:22:00,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:22:00,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:22:00,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:22:00,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:00,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ccfb240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00, skipping insertion in model container [2020-12-09 16:22:00,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:00,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:22:00,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:22:00,737 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_f2e0d40d-a765-4b11-b182-c37d5f073fe3/sv-benchmarks/c/eca-rers2012/Problem14_label50.c[3933,3946] [2020-12-09 16:22:00,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:22:00,869 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:22:00,884 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_f2e0d40d-a765-4b11-b182-c37d5f073fe3/sv-benchmarks/c/eca-rers2012/Problem14_label50.c[3933,3946] [2020-12-09 16:22:00,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:22:00,960 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:22:00,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00 WrapperNode [2020-12-09 16:22:00,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:22:00,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:22:00,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:22:00,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:22:00,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:00,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:01,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:22:01,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:22:01,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:22:01,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:22:01,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:01,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:01,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:01,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:01,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:01,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:01,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (1/1) ... [2020-12-09 16:22:01,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:22:01,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:22:01,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:22:01,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:22:01,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:22:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 16:22:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:22:01,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:22:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:22:11,262 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:22:11,262 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 16:22:11,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:11 BoogieIcfgContainer [2020-12-09 16:22:11,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:22:11,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:22:11,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:22:11,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:22:11,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:22:00" (1/3) ... [2020-12-09 16:22:11,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709ceb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:11, skipping insertion in model container [2020-12-09 16:22:11,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:00" (2/3) ... [2020-12-09 16:22:11,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709ceb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:11, skipping insertion in model container [2020-12-09 16:22:11,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:11" (3/3) ... [2020-12-09 16:22:11,270 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label50.c [2020-12-09 16:22:11,279 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:22:11,282 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 16:22:11,289 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 16:22:11,305 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:22:11,305 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:22:11,305 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:22:11,305 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:22:11,306 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:22:11,306 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:22:11,306 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:22:11,306 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:22:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 16:22:11,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 16:22:11,317 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:22:11,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 16:22:11,318 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:22:11,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:22:11,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1037747279, now seen corresponding path program 1 times [2020-12-09 16:22:11,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:22:11,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142649838] [2020-12-09 16:22:11,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:22:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:22:11,452 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 16:22:11,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142649838] [2020-12-09 16:22:11,453 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:22:11,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:22:11,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418856968] [2020-12-09 16:22:11,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:22:11,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:22:11,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:22:11,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:22:11,467 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 16:22:11,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:22:11,532 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 16:22:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:22:11,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 16:22:11,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:22:11,539 INFO L225 Difference]: With dead ends: 23 [2020-12-09 16:22:11,539 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 16:22:11,541 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 16:22:11,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 16:22:11,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 16:22:11,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 16:22:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 16:22:11,563 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 16:22:11,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:22:11,563 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 16:22:11,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:22:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 16:22:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 16:22:11,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:22:11,564 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 16:22:11,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 16:22:11,564 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:22:11,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:22:11,565 INFO L82 PathProgramCache]: Analyzing trace with hash -617455201, now seen corresponding path program 1 times [2020-12-09 16:22:11,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:22:11,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705577933] [2020-12-09 16:22:11,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:22:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:22:11,832 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 16:22:11,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705577933] [2020-12-09 16:22:11,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501725389] [2020-12-09 16:22:11,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:22:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:22:11,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 16:22:11,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:22:12,174 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 83 [2020-12-09 16:22:12,222 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,224 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,226 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,227 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,228 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,230 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,231 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,233 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,234 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,239 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,240 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,242 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,246 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,251 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,252 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,253 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,254 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,255 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,257 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,261 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 16:22:12,263 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,266 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,267 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,268 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,271 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,273 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,277 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 16:22:12,281 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,282 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,283 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,283 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,285 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,287 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,289 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,292 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 16:22:12,294 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,295 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,297 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,300 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 16:22:12,302 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,303 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,306 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 16:22:12,311 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,311 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,314 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,317 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,317 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,318 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,319 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,321 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,322 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,322 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,323 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,323 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,326 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,328 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,330 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,331 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 16:22:12,332 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,334 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,335 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,340 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 16:22:12,341 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,341 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,342 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 16:22:12,343 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,346 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 16:22:12,347 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,350 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,350 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,351 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,354 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 16:22:12,355 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 16:22:12,359 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 16:22:12,359 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 16:22:12,360 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,361 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,361 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,362 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 16:22:12,366 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 16:22:12,369 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,369 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,371 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,374 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 16:22:12,375 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 16:22:12,376 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,376 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,378 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 16:22:12,381 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 16:22:12,382 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 16:22:12,383 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 16:22:12,385 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 16:22:12,392 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 16:22:12,393 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 16:22:12,393 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 16:22:12,394 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 16:22:12,394 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 16:22:12,395 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 16:22:12,395 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 16:22:12,396 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 16:22:12,396 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-09 16:22:12,396 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,397 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 2, 4, 1] term [2020-12-09 16:22:12,397 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,398 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 5, 4, 2, 4, 1] term [2020-12-09 16:22:12,398 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,399 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 16:22:12,399 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 16:22:12,400 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 16:22:12,400 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 16:22:12,401 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 16:22:12,402 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,404 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 16:22:12,405 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,406 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,411 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,412 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 16:22:12,413 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,416 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,416 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,419 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,419 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,423 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,424 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,426 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,431 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,431 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,434 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,436 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,439 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,440 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 16:22:12,441 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,441 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,444 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,445 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 16:22:12,446 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,446 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,448 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,449 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,449 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,451 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,453 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,455 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 16:22:12,456 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,458 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,458 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,459 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,461 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,462 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,464 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,465 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,465 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,468 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 16:22:12,468 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,469 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,469 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,471 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,472 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,475 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 16:22:12,476 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,477 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,478 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,478 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,480 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,482 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 16:22:12,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,484 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,486 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,486 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,489 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,489 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,491 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,494 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,497 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,498 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,500 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,503 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,505 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,506 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 16:22:12,507 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,507 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,509 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,510 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,511 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,513 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,515 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,517 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,518 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,519 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,522 INFO L639 QuantifierPusher]: Distributing 18 conjuncts over 2 disjuncts [2020-12-09 16:22:12,522 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 16:22:12,523 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,524 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,525 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 16:22:12,527 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 16:22:12,527 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,529 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,530 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,531 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,532 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,534 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,534 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,537 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 16:22:12,537 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 16:22:12,538 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,539 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,540 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 16:22:12,542 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 16:22:12,542 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,543 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,544 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,545 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,546 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,547 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,549 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,549 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,552 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,553 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,554 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 16:22:12,554 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,555 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 16:22:12,557 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,558 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,558 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,560 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,562 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,563 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,564 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,566 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 16:22:12,566 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,568 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,568 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,570 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,572 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,573 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,574 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,575 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,577 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,577 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,580 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,580 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,581 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 16:22:12,583 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,583 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,585 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 16:22:12,586 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,587 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,588 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,590 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,590 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,592 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 3 disjuncts [2020-12-09 16:22:12,593 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 16:22:12,593 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,595 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,597 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 16:22:12,597 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,598 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,599 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,600 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,602 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,602 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,604 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,606 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,607 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,608 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,610 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 16:22:12,610 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,611 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,612 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,614 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,615 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,616 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 16:22:12,616 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,617 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 16:22:12,619 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,620 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,621 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,622 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,622 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,624 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,628 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 16:22:12,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,630 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,635 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,637 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,638 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,639 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,640 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,641 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 16:22:12,641 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,642 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 16:22:12,644 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,644 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,645 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 16:22:12,647 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,648 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,650 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 16:22:12,650 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,651 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 16:22:12,653 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,653 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,655 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 16:22:12,656 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:22:12,657 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,658 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:22:12,660 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,660 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,662 INFO L639 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-12-09 16:22:12,663 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,664 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 16:22:12,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,666 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,667 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,668 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,669 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,670 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,671 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,672 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 16:22:12,672 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,673 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,675 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,676 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,677 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,678 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,679 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,680 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,681 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,682 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,684 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,685 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,685 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,687 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:22:12,688 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,690 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 16:22:12,690 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,691 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 16:22:12,692 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,693 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,693 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,695 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,696 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:22:12,696 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:22:12,705 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 16:22:12,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:22:13,091 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 2658 DAG size of output: 2498 [2020-12-09 16:22:13,131 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 16:22:13,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [946604811] [2020-12-09 16:22:13,146 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 16:22:13,146 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 16:22:13,150 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 16:22:13,154 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 16:22:13,154 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 16:22:13,334 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 32 [2020-12-09 16:22:14,246 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 32 [2020-12-09 16:22:15,548 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 2490 DAG size of output: 2349 [2020-12-09 16:22:32,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 16:22:32,386 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 16:22:32,396 INFO L168 Benchmark]: Toolchain (without parser) took 31817.53 ms. Allocated memory was 102.8 MB in the beginning and 912.3 MB in the end (delta: 809.5 MB). Free memory was 70.1 MB in the beginning and 757.8 MB in the end (delta: -687.7 MB). Peak memory consumption was 655.8 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:32,397 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 102.8 MB. Free memory is still 79.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:22:32,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.77 ms. Allocated memory is still 102.8 MB. Free memory was 69.9 MB in the beginning and 62.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:32,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.77 ms. Allocated memory is still 102.8 MB. Free memory was 62.2 MB in the beginning and 52.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:32,403 INFO L168 Benchmark]: Boogie Preprocessor took 75.16 ms. Allocated memory is still 102.8 MB. Free memory was 52.7 MB in the beginning and 70.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:32,405 INFO L168 Benchmark]: RCFGBuilder took 10143.14 ms. Allocated memory was 102.8 MB in the beginning and 408.9 MB in the end (delta: 306.2 MB). Free memory was 70.7 MB in the beginning and 240.3 MB in the end (delta: -169.6 MB). Peak memory consumption was 247.7 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:32,407 INFO L168 Benchmark]: TraceAbstraction took 21127.99 ms. Allocated memory was 408.9 MB in the beginning and 912.3 MB in the end (delta: 503.3 MB). Free memory was 239.5 MB in the beginning and 757.8 MB in the end (delta: -518.2 MB). Peak memory consumption was 517.8 MB. Max. memory is 16.1 GB. [2020-12-09 16:22:32,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 102.8 MB. Free memory is still 79.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.77 ms. Allocated memory is still 102.8 MB. Free memory was 69.9 MB in the beginning and 62.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.77 ms. Allocated memory is still 102.8 MB. Free memory was 62.2 MB in the beginning and 52.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.16 ms. Allocated memory is still 102.8 MB. Free memory was 52.7 MB in the beginning and 70.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10143.14 ms. Allocated memory was 102.8 MB in the beginning and 408.9 MB in the end (delta: 306.2 MB). Free memory was 70.7 MB in the beginning and 240.3 MB in the end (delta: -169.6 MB). Peak memory consumption was 247.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21127.99 ms. Allocated memory was 408.9 MB in the beginning and 912.3 MB in the end (delta: 503.3 MB). Free memory was 239.5 MB in the beginning and 757.8 MB in the end (delta: -518.2 MB). Peak memory consumption was 517.8 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 16:22:33,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:22:33,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:22:33,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:22:33,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:22:33,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:22:33,945 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:22:33,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:22:33,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:22:33,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:22:33,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:22:33,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:22:33,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:22:33,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:22:33,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:22:33,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:22:33,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:22:33,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:22:33,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:22:33,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:22:33,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:22:33,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:22:33,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:22:33,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:22:33,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:22:33,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:22:33,967 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:22:33,968 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:22:33,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:22:33,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:22:33,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:22:33,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:22:33,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:22:33,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:22:33,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:22:33,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:22:33,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:22:33,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:22:33,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:22:33,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:22:33,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:22:33,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 16:22:33,999 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:22:33,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:22:34,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:22:34,000 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:22:34,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:22:34,000 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:22:34,000 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:22:34,000 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:22:34,001 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:22:34,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:22:34,001 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:22:34,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:22:34,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:22:34,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:22:34,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:22:34,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:22:34,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:22:34,002 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 16:22:34,002 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 16:22:34,002 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:22:34,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:22:34,003 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:22:34,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:22:34,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:22:34,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 16:22:34,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:22:34,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:22:34,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:22:34,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:22:34,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:22:34,004 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 16:22:34,004 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 16:22:34,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:22:34,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:22:34,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:22:34,004 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_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e19c1710261daab1224ed195d8f9cf4ddce74c6 [2020-12-09 16:22:34,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:22:34,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:22:34,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:22:34,238 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:22:34,238 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:22:34,239 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c [2020-12-09 16:22:34,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/data/781ffb054/82b6fd79c8c14cda9fad59ebc2f4e14b/FLAG5ae9f78d5 [2020-12-09 16:22:34,726 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:22:34,727 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/sv-benchmarks/c/eca-rers2012/Problem14_label50.c [2020-12-09 16:22:34,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/data/781ffb054/82b6fd79c8c14cda9fad59ebc2f4e14b/FLAG5ae9f78d5 [2020-12-09 16:22:34,746 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/data/781ffb054/82b6fd79c8c14cda9fad59ebc2f4e14b [2020-12-09 16:22:34,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:22:34,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:22:34,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:22:34,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:22:34,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:22:34,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:34" (1/1) ... [2020-12-09 16:22:34,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246ac7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:34, skipping insertion in model container [2020-12-09 16:22:34,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:22:34" (1/1) ... [2020-12-09 16:22:34,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:22:34,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:22:34,914 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_f2e0d40d-a765-4b11-b182-c37d5f073fe3/sv-benchmarks/c/eca-rers2012/Problem14_label50.c[3933,3946] [2020-12-09 16:22:35,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:22:35,064 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:22:35,088 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_f2e0d40d-a765-4b11-b182-c37d5f073fe3/sv-benchmarks/c/eca-rers2012/Problem14_label50.c[3933,3946] [2020-12-09 16:22:35,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:22:35,179 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:22:35,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35 WrapperNode [2020-12-09 16:22:35,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:22:35,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:22:35,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:22:35,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:22:35,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (1/1) ... [2020-12-09 16:22:35,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (1/1) ... [2020-12-09 16:22:35,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:22:35,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:22:35,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:22:35,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:22:35,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (1/1) ... [2020-12-09 16:22:35,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (1/1) ... [2020-12-09 16:22:35,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (1/1) ... [2020-12-09 16:22:35,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (1/1) ... [2020-12-09 16:22:35,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (1/1) ... [2020-12-09 16:22:35,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (1/1) ... [2020-12-09 16:22:35,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (1/1) ... [2020-12-09 16:22:35,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:22:35,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:22:35,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:22:35,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:22:35,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:22:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 16:22:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:22:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:22:35,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:22:37,751 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:22:37,751 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 16:22:37,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:37 BoogieIcfgContainer [2020-12-09 16:22:37,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:22:37,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:22:37,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:22:37,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:22:37,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:22:34" (1/3) ... [2020-12-09 16:22:37,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2a2ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:37, skipping insertion in model container [2020-12-09 16:22:37,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:22:35" (2/3) ... [2020-12-09 16:22:37,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2a2ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:22:37, skipping insertion in model container [2020-12-09 16:22:37,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:37" (3/3) ... [2020-12-09 16:22:37,758 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label50.c [2020-12-09 16:22:37,767 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:22:37,769 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 16:22:37,776 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 16:22:37,794 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:22:37,794 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:22:37,794 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:22:37,794 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:22:37,794 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:22:37,794 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:22:37,794 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:22:37,794 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:22:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-09 16:22:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-09 16:22:37,811 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:22:37,812 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] [2020-12-09 16:22:37,812 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:22:37,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:22:37,816 INFO L82 PathProgramCache]: Analyzing trace with hash 2088660649, now seen corresponding path program 1 times [2020-12-09 16:22:37,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:22:37,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367505479] [2020-12-09 16:22:37,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:22:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:22:37,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:22:37,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:22:37,959 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 16:22:37,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:22:37,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367505479] [2020-12-09 16:22:37,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:22:37,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:22:37,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777964862] [2020-12-09 16:22:37,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:22:37,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:22:37,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:22:37,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:22:37,977 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-09 16:22:41,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:22:41,269 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2020-12-09 16:22:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:22:41,270 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-12-09 16:22:41,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:22:41,280 INFO L225 Difference]: With dead ends: 669 [2020-12-09 16:22:41,280 INFO L226 Difference]: Without dead ends: 360 [2020-12-09 16:22:41,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 16:22:41,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-09 16:22:41,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-09 16:22:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-09 16:22:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 534 transitions. [2020-12-09 16:22:41,325 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 534 transitions. Word has length 37 [2020-12-09 16:22:41,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:22:41,325 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 534 transitions. [2020-12-09 16:22:41,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:22:41,326 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 534 transitions. [2020-12-09 16:22:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-09 16:22:41,329 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:22:41,329 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, 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 16:22:41,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 16:22:41,531 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:22:41,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:22:41,533 INFO L82 PathProgramCache]: Analyzing trace with hash -768549612, now seen corresponding path program 1 times [2020-12-09 16:22:41,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:22:41,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673819204] [2020-12-09 16:22:41,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:22:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:22:41,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:22:41,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:22:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:22:41,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:22:41,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673819204] [2020-12-09 16:22:41,754 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:22:41,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:22:41,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930400239] [2020-12-09 16:22:41,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:22:41,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:22:41,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:22:41,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:22:41,757 INFO L87 Difference]: Start difference. First operand 360 states and 534 transitions. Second operand 3 states. [2020-12-09 16:22:44,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:22:44,750 INFO L93 Difference]: Finished difference Result 1074 states and 1597 transitions. [2020-12-09 16:22:44,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:22:44,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-12-09 16:22:44,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:22:44,754 INFO L225 Difference]: With dead ends: 1074 [2020-12-09 16:22:44,754 INFO L226 Difference]: Without dead ends: 716 [2020-12-09 16:22:44,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 16:22:44,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-09 16:22:44,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-12-09 16:22:44,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-09 16:22:44,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 944 transitions. [2020-12-09 16:22:44,779 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 944 transitions. Word has length 102 [2020-12-09 16:22:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:22:44,780 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 944 transitions. [2020-12-09 16:22:44,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:22:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 944 transitions. [2020-12-09 16:22:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-09 16:22:44,781 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:22:44,782 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, 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 16:22:44,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 16:22:44,983 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:22:44,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:22:44,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2063668574, now seen corresponding path program 1 times [2020-12-09 16:22:44,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:22:44,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55706349] [2020-12-09 16:22:44,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:22:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:22:45,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 16:22:45,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:22:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:22:45,208 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:22:45,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55706349] [2020-12-09 16:22:45,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:22:45,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:22:45,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271877418] [2020-12-09 16:22:45,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:22:45,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:22:45,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:22:45,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:22:45,210 INFO L87 Difference]: Start difference. First operand 716 states and 944 transitions. Second operand 3 states. [2020-12-09 16:22:47,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:22:47,433 INFO L93 Difference]: Finished difference Result 1252 states and 1672 transitions. [2020-12-09 16:22:47,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:22:47,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-12-09 16:22:47,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:22:47,438 INFO L225 Difference]: With dead ends: 1252 [2020-12-09 16:22:47,438 INFO L226 Difference]: Without dead ends: 894 [2020-12-09 16:22:47,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 104 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 16:22:47,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-12-09 16:22:47,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-12-09 16:22:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-12-09 16:22:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1134 transitions. [2020-12-09 16:22:47,454 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1134 transitions. Word has length 106 [2020-12-09 16:22:47,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:22:47,454 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1134 transitions. [2020-12-09 16:22:47,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:22:47,455 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1134 transitions. [2020-12-09 16:22:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-09 16:22:47,459 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:22:47,460 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, 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] [2020-12-09 16:22:47,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 16:22:47,662 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:22:47,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:22:47,664 INFO L82 PathProgramCache]: Analyzing trace with hash 909856267, now seen corresponding path program 1 times [2020-12-09 16:22:47,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:22:47,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054798296] [2020-12-09 16:22:47,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:22:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:22:47,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 16:22:47,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:22:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-09 16:22:47,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:22:47,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2054798296] [2020-12-09 16:22:47,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:22:47,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:22:47,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634292129] [2020-12-09 16:22:47,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:22:47,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:22:47,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:22:47,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:22:47,975 INFO L87 Difference]: Start difference. First operand 894 states and 1134 transitions. Second operand 4 states. [2020-12-09 16:22:50,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:22:50,276 INFO L93 Difference]: Finished difference Result 1281 states and 1695 transitions. [2020-12-09 16:22:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 16:22:50,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2020-12-09 16:22:50,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:22:50,279 INFO L225 Difference]: With dead ends: 1281 [2020-12-09 16:22:50,279 INFO L226 Difference]: Without dead ends: 538 [2020-12-09 16:22:50,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 183 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 16:22:50,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-12-09 16:22:50,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-12-09 16:22:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-09 16:22:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 714 transitions. [2020-12-09 16:22:50,288 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 714 transitions. Word has length 186 [2020-12-09 16:22:50,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:22:50,288 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 714 transitions. [2020-12-09 16:22:50,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:22:50,288 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 714 transitions. [2020-12-09 16:22:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-12-09 16:22:50,290 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:22:50,291 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, 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] [2020-12-09 16:22:50,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 16:22:50,492 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:22:50,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:22:50,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1554345381, now seen corresponding path program 1 times [2020-12-09 16:22:50,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:22:50,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442866768] [2020-12-09 16:22:50,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:22:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:22:50,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:22:50,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:22:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-09 16:22:50,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:22:50,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442866768] [2020-12-09 16:22:50,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:22:50,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:22:50,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338700837] [2020-12-09 16:22:50,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:22:50,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:22:50,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:22:50,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 16:22:50,802 INFO L87 Difference]: Start difference. First operand 538 states and 714 transitions. Second operand 3 states. [2020-12-09 16:22:53,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:22:53,879 INFO L93 Difference]: Finished difference Result 1430 states and 1957 transitions. [2020-12-09 16:22:53,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:22:53,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-12-09 16:22:53,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:22:53,883 INFO L225 Difference]: With dead ends: 1430 [2020-12-09 16:22:53,884 INFO L226 Difference]: Without dead ends: 1072 [2020-12-09 16:22:53,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 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 16:22:53,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-12-09 16:22:53,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-12-09 16:22:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-12-09 16:22:53,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1322 transitions. [2020-12-09 16:22:53,900 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1322 transitions. Word has length 207 [2020-12-09 16:22:53,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:22:53,900 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1322 transitions. [2020-12-09 16:22:53,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:22:53,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1322 transitions. [2020-12-09 16:22:53,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-12-09 16:22:53,903 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:22:53,903 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, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:22:54,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 16:22:54,105 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:22:54,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:22:54,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1233522663, now seen corresponding path program 1 times [2020-12-09 16:22:54,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:22:54,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023365439] [2020-12-09 16:22:54,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:22:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:22:54,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 16:22:54,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:22:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 104 proven. 135 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 16:22:54,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:22:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 16:22:55,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023365439] [2020-12-09 16:22:55,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 16:22:55,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 16:22:55,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151844573] [2020-12-09 16:22:55,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:22:55,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:22:55,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:22:55,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:22:55,218 INFO L87 Difference]: Start difference. First operand 1072 states and 1322 transitions. Second operand 3 states. [2020-12-09 16:23:01,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:23:01,815 INFO L93 Difference]: Finished difference Result 2142 states and 2814 transitions. [2020-12-09 16:23:01,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:23:01,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 316 [2020-12-09 16:23:01,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:23:01,821 INFO L225 Difference]: With dead ends: 2142 [2020-12-09 16:23:01,821 INFO L226 Difference]: Without dead ends: 1428 [2020-12-09 16:23:01,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 630 GetRequests, 626 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:23:01,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-12-09 16:23:01,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2020-12-09 16:23:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-12-09 16:23:01,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1768 transitions. [2020-12-09 16:23:01,840 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1768 transitions. Word has length 316 [2020-12-09 16:23:01,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:23:01,841 INFO L481 AbstractCegarLoop]: Abstraction has 1428 states and 1768 transitions. [2020-12-09 16:23:01,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:23:01,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1768 transitions. [2020-12-09 16:23:01,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2020-12-09 16:23:01,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:23:01,847 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, 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, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:23:02,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 16:23:02,048 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:23:02,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:23:02,048 INFO L82 PathProgramCache]: Analyzing trace with hash 910822587, now seen corresponding path program 1 times [2020-12-09 16:23:02,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:23:02,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765845399] [2020-12-09 16:23:02,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:23:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:23:02,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 16:23:02,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:23:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 381 proven. 159 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-12-09 16:23:02,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:23:03,505 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 540 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-12-09 16:23:03,505 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765845399] [2020-12-09 16:23:03,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 16:23:03,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 16:23:03,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715216899] [2020-12-09 16:23:03,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:23:03,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:23:03,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:23:03,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:23:03,507 INFO L87 Difference]: Start difference. First operand 1428 states and 1768 transitions. Second operand 3 states. [2020-12-09 16:23:09,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:23:09,653 INFO L93 Difference]: Finished difference Result 3210 states and 4153 transitions. [2020-12-09 16:23:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:23:09,654 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 427 [2020-12-09 16:23:09,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:23:09,663 INFO L225 Difference]: With dead ends: 3210 [2020-12-09 16:23:09,663 INFO L226 Difference]: Without dead ends: 2140 [2020-12-09 16:23:09,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 852 GetRequests, 848 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 16:23:09,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-12-09 16:23:09,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-12-09 16:23:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-09 16:23:09,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2668 transitions. [2020-12-09 16:23:09,711 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2668 transitions. Word has length 427 [2020-12-09 16:23:09,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:23:09,712 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2668 transitions. [2020-12-09 16:23:09,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:23:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2668 transitions. [2020-12-09 16:23:09,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2020-12-09 16:23:09,716 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:23:09,716 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:23:09,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 16:23:09,918 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:23:09,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:23:09,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1238750611, now seen corresponding path program 1 times [2020-12-09 16:23:09,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:23:09,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1546905855] [2020-12-09 16:23:09,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:23:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:23:10,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 16:23:10,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:23:10,660 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 340 proven. 277 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-09 16:23:10,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:23:12,199 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 588 proven. 29 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-12-09 16:23:12,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1546905855] [2020-12-09 16:23:12,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1853129570] [2020-12-09 16:23:12,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:23:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:23:12,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 16:23:12,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:23:12,757 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:23:12,758 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:23:12,758 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:23:12,762 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:23:12,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:23:12,766 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:23:12,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:23:12,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:23:12,771 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:23:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 397 proven. 35 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 16:23:12,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:23:13,205 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 16:23:13,206 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 16:23:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 408 proven. 24 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 16:23:13,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142236883] [2020-12-09 16:23:13,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:23:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:23:13,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 16:23:13,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:23:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 288 proven. 144 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 16:23:14,155 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:23:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 288 proven. 144 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 16:23:14,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 16:23:14,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 7, 7, 4, 4] total 18 [2020-12-09 16:23:14,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971046342] [2020-12-09 16:23:14,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-09 16:23:14,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:23:14,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-09 16:23:14,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2020-12-09 16:23:14,613 INFO L87 Difference]: Start difference. First operand 2140 states and 2668 transitions. Second operand 18 states. [2020-12-09 16:23:16,408 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 16:23:29,953 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 16:23:30,528 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 16:23:49,394 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 16:23:53,310 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-12-09 16:23:54,364 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2020-12-09 16:24:22,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:24:22,644 INFO L93 Difference]: Finished difference Result 5961 states and 7560 transitions. [2020-12-09 16:24:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-09 16:24:22,647 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 443 [2020-12-09 16:24:22,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:24:22,660 INFO L225 Difference]: With dead ends: 5961 [2020-12-09 16:24:22,660 INFO L226 Difference]: Without dead ends: 3920 [2020-12-09 16:24:22,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2669 GetRequests, 2639 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2020-12-09 16:24:22,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2020-12-09 16:24:22,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3564. [2020-12-09 16:24:22,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-12-09 16:24:22,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3865 transitions. [2020-12-09 16:24:22,703 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3865 transitions. Word has length 443 [2020-12-09 16:24:22,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:24:22,704 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 3865 transitions. [2020-12-09 16:24:22,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-09 16:24:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3865 transitions. [2020-12-09 16:24:22,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2020-12-09 16:24:22,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:24:22,709 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, 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, 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] [2020-12-09 16:24:23,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:24:23,312 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:24:23,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:24:23,314 INFO L82 PathProgramCache]: Analyzing trace with hash 1262648067, now seen corresponding path program 1 times [2020-12-09 16:24:23,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:24:23,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601672777] [2020-12-09 16:24:23,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-12-09 16:24:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:24:23,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 16:24:23,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:24:26,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 174 proven. 898 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-09 16:24:26,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:24:27,061 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 16:24:27,061 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:24:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 804 proven. 268 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-09 16:24:30,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601672777] [2020-12-09 16:24:30,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1140765880] [2020-12-09 16:24:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2020-12-09 16:24:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:24:30,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 773 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 16:24:30,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:24:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-12-09 16:24:31,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:24:31,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 16:24:31,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 10] total 22 [2020-12-09 16:24:31,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245927852] [2020-12-09 16:24:31,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 16:24:31,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:24:31,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 16:24:31,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2020-12-09 16:24:31,027 INFO L87 Difference]: Start difference. First operand 3564 states and 3865 transitions. Second operand 5 states. [2020-12-09 16:24:32,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:24:32,945 INFO L93 Difference]: Finished difference Result 7548 states and 8333 transitions. [2020-12-09 16:24:32,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 16:24:32,945 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 691 [2020-12-09 16:24:32,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:24:32,961 INFO L225 Difference]: With dead ends: 7548 [2020-12-09 16:24:32,961 INFO L226 Difference]: Without dead ends: 4698 [2020-12-09 16:24:32,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2070 GetRequests, 2035 SyntacticMatches, 15 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2020-12-09 16:24:32,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4698 states. [2020-12-09 16:24:33,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4698 to 4632. [2020-12-09 16:24:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2020-12-09 16:24:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 4999 transitions. [2020-12-09 16:24:33,018 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 4999 transitions. Word has length 691 [2020-12-09 16:24:33,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:24:33,019 INFO L481 AbstractCegarLoop]: Abstraction has 4632 states and 4999 transitions. [2020-12-09 16:24:33,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 16:24:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 4999 transitions. [2020-12-09 16:24:33,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2020-12-09 16:24:33,025 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:24:33,025 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, 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, 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, 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 16:24:33,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2020-12-09 16:24:33,428 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:24:33,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:24:33,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1033536717, now seen corresponding path program 1 times [2020-12-09 16:24:33,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:24:33,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449460859] [2020-12-09 16:24:33,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:24:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:24:33,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 16:24:33,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:24:36,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1698 backedges. 548 proven. 898 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 16:24:36,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:24:37,396 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 16:24:37,396 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:24:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1698 backedges. 1178 proven. 268 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 16:24:40,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449460859] [2020-12-09 16:24:40,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [49984018] [2020-12-09 16:24:40,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2020-12-09 16:24:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:24:40,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 16:24:40,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:24:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1698 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 1489 trivial. 0 not checked. [2020-12-09 16:24:41,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:24:41,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 16:24:41,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 10] total 20 [2020-12-09 16:24:41,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603398050] [2020-12-09 16:24:41,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:24:41,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:24:41,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:24:41,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-12-09 16:24:41,530 INFO L87 Difference]: Start difference. First operand 4632 states and 4999 transitions. Second operand 3 states. [2020-12-09 16:24:44,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:24:44,877 INFO L93 Difference]: Finished difference Result 9440 states and 10242 transitions. [2020-12-09 16:24:44,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:24:44,878 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 766 [2020-12-09 16:24:44,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:24:44,896 INFO L225 Difference]: With dead ends: 9440 [2020-12-09 16:24:44,896 INFO L226 Difference]: Without dead ends: 5522 [2020-12-09 16:24:44,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2295 GetRequests, 2257 SyntacticMatches, 20 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-12-09 16:24:44,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states. [2020-12-09 16:24:44,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 5522. [2020-12-09 16:24:44,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5522 states. [2020-12-09 16:24:44,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5522 states to 5522 states and 5904 transitions. [2020-12-09 16:24:44,957 INFO L78 Accepts]: Start accepts. Automaton has 5522 states and 5904 transitions. Word has length 766 [2020-12-09 16:24:44,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:24:44,957 INFO L481 AbstractCegarLoop]: Abstraction has 5522 states and 5904 transitions. [2020-12-09 16:24:44,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:24:44,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5522 states and 5904 transitions. [2020-12-09 16:24:44,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2020-12-09 16:24:44,964 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:24:44,964 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, 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, 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, 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 16:24:45,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2020-12-09 16:24:45,365 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:24:45,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:24:45,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1463575237, now seen corresponding path program 1 times [2020-12-09 16:24:45,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:24:45,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125500670] [2020-12-09 16:24:45,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:24:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:24:45,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 16:24:45,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:24:48,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 583 proven. 898 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 16:24:48,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:24:49,212 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 16:24:49,213 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:24:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 1213 proven. 268 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 16:24:52,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125500670] [2020-12-09 16:24:52,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [766336135] [2020-12-09 16:24:52,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:24:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:24:52,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 16:24:52,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:24:53,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-12-09 16:24:53,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:24:53,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 16:24:53,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 10] total 20 [2020-12-09 16:24:53,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650091922] [2020-12-09 16:24:53,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:24:53,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:24:53,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:24:53,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-12-09 16:24:53,465 INFO L87 Difference]: Start difference. First operand 5522 states and 5904 transitions. Second operand 3 states. [2020-12-09 16:24:55,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:24:55,394 INFO L93 Difference]: Finished difference Result 12644 states and 13632 transitions. [2020-12-09 16:24:55,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:24:55,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 773 [2020-12-09 16:24:55,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:24:55,416 INFO L225 Difference]: With dead ends: 12644 [2020-12-09 16:24:55,416 INFO L226 Difference]: Without dead ends: 6946 [2020-12-09 16:24:55,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2316 GetRequests, 2282 SyntacticMatches, 16 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-12-09 16:24:55,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6946 states. [2020-12-09 16:24:55,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6946 to 6234. [2020-12-09 16:24:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6234 states. [2020-12-09 16:24:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6234 states to 6234 states and 6678 transitions. [2020-12-09 16:24:55,484 INFO L78 Accepts]: Start accepts. Automaton has 6234 states and 6678 transitions. Word has length 773 [2020-12-09 16:24:55,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:24:55,484 INFO L481 AbstractCegarLoop]: Abstraction has 6234 states and 6678 transitions. [2020-12-09 16:24:55,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:24:55,484 INFO L276 IsEmpty]: Start isEmpty. Operand 6234 states and 6678 transitions. [2020-12-09 16:24:55,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2020-12-09 16:24:55,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:24:55,491 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, 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, 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, 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 16:24:55,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,17 cvc4 --incremental --print-success --lang smt [2020-12-09 16:24:55,893 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:24:55,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:24:55,895 INFO L82 PathProgramCache]: Analyzing trace with hash 443699786, now seen corresponding path program 1 times [2020-12-09 16:24:55,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:24:55,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756341458] [2020-12-09 16:24:55,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2020-12-09 16:24:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:24:56,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 16:24:56,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:24:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1763 backedges. 613 proven. 898 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 16:24:58,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:24:59,284 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-09 16:24:59,788 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 16:24:59,788 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:25:02,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1763 backedges. 1243 proven. 268 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2020-12-09 16:25:02,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756341458] [2020-12-09 16:25:02,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2052356901] [2020-12-09 16:25:02,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt [2020-12-09 16:25:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:03,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 16:25:03,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:25:03,740 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:25:03,741 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:25:03,741 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:25:03,744 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:25:03,747 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:25:03,747 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:25:03,749 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:25:03,751 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:25:03,752 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:25:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1763 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2020-12-09 16:25:04,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:25:04,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 16:25:04,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 10] total 23 [2020-12-09 16:25:04,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19235676] [2020-12-09 16:25:04,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 16:25:04,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:25:04,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 16:25:04,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2020-12-09 16:25:04,088 INFO L87 Difference]: Start difference. First operand 6234 states and 6678 transitions. Second operand 6 states. [2020-12-09 16:25:07,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:25:07,229 INFO L93 Difference]: Finished difference Result 13226 states and 14242 transitions. [2020-12-09 16:25:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 16:25:07,229 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 779 [2020-12-09 16:25:07,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:25:07,239 INFO L225 Difference]: With dead ends: 13226 [2020-12-09 16:25:07,239 INFO L226 Difference]: Without dead ends: 5878 [2020-12-09 16:25:07,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2334 GetRequests, 2296 SyntacticMatches, 17 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2020-12-09 16:25:07,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2020-12-09 16:25:07,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5878. [2020-12-09 16:25:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5878 states. [2020-12-09 16:25:07,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 6180 transitions. [2020-12-09 16:25:07,293 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 6180 transitions. Word has length 779 [2020-12-09 16:25:07,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:25:07,294 INFO L481 AbstractCegarLoop]: Abstraction has 5878 states and 6180 transitions. [2020-12-09 16:25:07,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 16:25:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 6180 transitions. [2020-12-09 16:25:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 863 [2020-12-09 16:25:07,301 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:25:07,301 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, 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, 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:25:07,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,19 cvc4 --incremental --print-success --lang smt [2020-12-09 16:25:07,703 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:25:07,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:25:07,704 INFO L82 PathProgramCache]: Analyzing trace with hash -408651229, now seen corresponding path program 1 times [2020-12-09 16:25:07,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:25:07,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167068471] [2020-12-09 16:25:07,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2020-12-09 16:25:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:07,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 16:25:07,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:25:09,131 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 6, 1] term [2020-12-09 16:25:09,132 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 7 disjuncts [2020-12-09 16:25:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1973 backedges. 209 proven. 1545 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-12-09 16:25:11,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:25:12,388 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 16:25:12,388 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:25:15,338 WARN L197 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 18 DAG size of output: 3 [2020-12-09 16:25:17,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1973 backedges. 865 proven. 889 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-12-09 16:25:17,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167068471] [2020-12-09 16:25:17,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1039899616] [2020-12-09 16:25:17,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt [2020-12-09 16:25:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:18,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 16:25:18,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:25:19,095 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:25:19,095 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:25:19,096 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:25:19,099 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 16:25:19,102 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:25:19,104 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 16:25:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1973 backedges. 823 proven. 35 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-12-09 16:25:20,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:25:20,848 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 16:25:20,849 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 16:25:20,849 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 16:25:20,850 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 16:25:20,851 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 16:25:20,852 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 16:25:20,853 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 16:25:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1973 backedges. 823 proven. 35 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-12-09 16:25:21,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041269763] [2020-12-09 16:25:21,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:25:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:22,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 16:25:22,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:25:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1973 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2020-12-09 16:25:23,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:25:23,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 16:25:23,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11, 11, 9, 9] total 35 [2020-12-09 16:25:23,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742413571] [2020-12-09 16:25:23,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:25:23,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:25:23,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:25:23,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=873, Unknown=0, NotChecked=0, Total=1190 [2020-12-09 16:25:23,193 INFO L87 Difference]: Start difference. First operand 5878 states and 6180 transitions. Second operand 4 states. [2020-12-09 16:25:24,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:25:24,708 INFO L93 Difference]: Finished difference Result 11418 states and 12020 transitions. [2020-12-09 16:25:24,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 16:25:24,708 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 862 [2020-12-09 16:25:24,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:25:24,715 INFO L225 Difference]: With dead ends: 11418 [2020-12-09 16:25:24,715 INFO L226 Difference]: Without dead ends: 5878 [2020-12-09 16:25:24,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4305 GetRequests, 4260 SyntacticMatches, 12 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=317, Invalid=873, Unknown=0, NotChecked=0, Total=1190 [2020-12-09 16:25:24,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2020-12-09 16:25:24,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5878. [2020-12-09 16:25:24,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5878 states. [2020-12-09 16:25:24,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 6173 transitions. [2020-12-09 16:25:24,768 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 6173 transitions. Word has length 862 [2020-12-09 16:25:24,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:25:24,769 INFO L481 AbstractCegarLoop]: Abstraction has 5878 states and 6173 transitions. [2020-12-09 16:25:24,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:25:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 6173 transitions. [2020-12-09 16:25:24,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2020-12-09 16:25:24,776 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:25:24,777 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, 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, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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 16:25:25,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3,21 cvc4 --incremental --print-success --lang smt,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:25:25,378 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:25:25,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:25:25,379 INFO L82 PathProgramCache]: Analyzing trace with hash -251567641, now seen corresponding path program 1 times [2020-12-09 16:25:25,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:25:25,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808675624] [2020-12-09 16:25:25,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2020-12-09 16:25:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:25,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 16:25:25,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:25:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2361 backedges. 1101 proven. 898 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-12-09 16:25:28,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:25:29,881 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 16:25:29,881 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:25:33,279 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 21 DAG size of output: 7 [2020-12-09 16:25:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2361 backedges. 1731 proven. 268 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-12-09 16:25:36,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808675624] [2020-12-09 16:25:36,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [220338594] [2020-12-09 16:25:36,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/cvc4 Starting monitored process 24 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with cvc4 --incremental --print-success --lang smt [2020-12-09 16:25:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:36,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 16:25:36,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:25:37,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2361 backedges. 872 proven. 0 refuted. 0 times theorem prover too weak. 1489 trivial. 0 not checked. [2020-12-09 16:25:37,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:25:37,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 16:25:37,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 10] total 21 [2020-12-09 16:25:37,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781858585] [2020-12-09 16:25:37,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 16:25:37,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:25:37,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 16:25:37,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2020-12-09 16:25:37,529 INFO L87 Difference]: Start difference. First operand 5878 states and 6173 transitions. Second operand 3 states. [2020-12-09 16:25:39,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:25:39,246 INFO L93 Difference]: Finished difference Result 11754 states and 12384 transitions. [2020-12-09 16:25:39,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 16:25:39,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 881 [2020-12-09 16:25:39,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:25:39,253 INFO L225 Difference]: With dead ends: 11754 [2020-12-09 16:25:39,253 INFO L226 Difference]: Without dead ends: 6234 [2020-12-09 16:25:39,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2640 GetRequests, 2600 SyntacticMatches, 21 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2020-12-09 16:25:39,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states. [2020-12-09 16:25:39,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 6234. [2020-12-09 16:25:39,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6234 states. [2020-12-09 16:25:39,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6234 states to 6234 states and 6543 transitions. [2020-12-09 16:25:39,312 INFO L78 Accepts]: Start accepts. Automaton has 6234 states and 6543 transitions. Word has length 881 [2020-12-09 16:25:39,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:25:39,312 INFO L481 AbstractCegarLoop]: Abstraction has 6234 states and 6543 transitions. [2020-12-09 16:25:39,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 16:25:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 6234 states and 6543 transitions. [2020-12-09 16:25:39,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 889 [2020-12-09 16:25:39,320 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:25:39,320 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, 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, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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 16:25:39,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 mathsat -unsat_core_generation=3,24 cvc4 --incremental --print-success --lang smt [2020-12-09 16:25:39,723 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:25:39,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:25:39,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1960504609, now seen corresponding path program 1 times [2020-12-09 16:25:39,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:25:39,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613889337] [2020-12-09 16:25:39,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:25:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:39,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 16:25:40,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:25:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 1136 proven. 898 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2020-12-09 16:25:43,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:25:44,284 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 16:25:44,285 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:25:47,819 WARN L197 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 21 DAG size of output: 7 [2020-12-09 16:25:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 1766 proven. 268 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2020-12-09 16:25:50,877 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [613889337] [2020-12-09 16:25:50,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [509680779] [2020-12-09 16:25:50,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:25:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:51,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 16:25:51,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:25:51,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:25:51,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 16:25:51,706 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 16:25:51,708 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 16:25:51,711 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:25:51,713 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 16:25:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 844 proven. 35 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-12-09 16:25:52,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:25:52,539 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 16:25:52,539 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 16:25:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 867 proven. 12 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-12-09 16:25:53,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88998963] [2020-12-09 16:25:53,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/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 16:25:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:53,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 16:25:53,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:25:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 857 proven. 22 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-12-09 16:25:55,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:25:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2403 backedges. 879 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-12-09 16:25:56,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2020-12-09 16:25:56,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 10, 7, 7, 7] total 37 [2020-12-09 16:25:56,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178444663] [2020-12-09 16:25:56,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 16:25:56,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:25:56,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 16:25:56,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=1021, Unknown=0, NotChecked=0, Total=1332 [2020-12-09 16:25:56,184 INFO L87 Difference]: Start difference. First operand 6234 states and 6543 transitions. Second operand 5 states. [2020-12-09 16:25:58,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:25:58,472 INFO L93 Difference]: Finished difference Result 13579 states and 14290 transitions. [2020-12-09 16:25:58,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 16:25:58,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 888 [2020-12-09 16:25:58,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:25:58,480 INFO L225 Difference]: With dead ends: 13579 [2020-12-09 16:25:58,480 INFO L226 Difference]: Without dead ends: 7703 [2020-12-09 16:25:58,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5324 GetRequests, 5274 SyntacticMatches, 14 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2020-12-09 16:25:58,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7703 states. [2020-12-09 16:25:58,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7703 to 6768. [2020-12-09 16:25:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6768 states. [2020-12-09 16:25:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6768 states to 6768 states and 6995 transitions. [2020-12-09 16:25:58,544 INFO L78 Accepts]: Start accepts. Automaton has 6768 states and 6995 transitions. Word has length 888 [2020-12-09 16:25:58,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:25:58,545 INFO L481 AbstractCegarLoop]: Abstraction has 6768 states and 6995 transitions. [2020-12-09 16:25:58,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 16:25:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 6768 states and 6995 transitions. [2020-12-09 16:25:58,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2020-12-09 16:25:58,553 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:25:58,553 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, 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, 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, 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, 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] [2020-12-09 16:25:59,155 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 16:25:59,157 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:25:59,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:25:59,159 INFO L82 PathProgramCache]: Analyzing trace with hash -134689737, now seen corresponding path program 1 times [2020-12-09 16:25:59,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:25:59,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372549983] [2020-12-09 16:25:59,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/mathsat Starting monitored process 28 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with mathsat -unsat_core_generation=3 [2020-12-09 16:25:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:25:59,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 16:25:59,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:26:02,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2425 backedges. 1165 proven. 898 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-12-09 16:26:02,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:26:03,772 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 16:26:03,772 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:26:07,414 WARN L197 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 21 DAG size of output: 7 [2020-12-09 16:26:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2425 backedges. 1795 proven. 268 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-12-09 16:26:10,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372549983] [2020-12-09 16:26:10,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1300242979] [2020-12-09 16:26:10,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/cvc4 Starting monitored process 29 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with cvc4 --incremental --print-success --lang smt [2020-12-09 16:26:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:10,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 16:26:10,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:26:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2425 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 2181 trivial. 0 not checked. [2020-12-09 16:26:11,976 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:26:11,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 16:26:11,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 10] total 24 [2020-12-09 16:26:11,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921390080] [2020-12-09 16:26:11,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 16:26:11,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:26:11,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 16:26:11,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-12-09 16:26:11,978 INFO L87 Difference]: Start difference. First operand 6768 states and 6995 transitions. Second operand 6 states. [2020-12-09 16:26:15,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:26:15,420 INFO L93 Difference]: Finished difference Result 13726 states and 14197 transitions. [2020-12-09 16:26:15,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 16:26:15,428 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 913 [2020-12-09 16:26:15,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:26:15,438 INFO L225 Difference]: With dead ends: 13726 [2020-12-09 16:26:15,438 INFO L226 Difference]: Without dead ends: 6946 [2020-12-09 16:26:15,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2736 GetRequests, 2701 SyntacticMatches, 13 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-12-09 16:26:15,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6946 states. [2020-12-09 16:26:15,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6946 to 6590. [2020-12-09 16:26:15,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6590 states. [2020-12-09 16:26:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6590 states to 6590 states and 6791 transitions. [2020-12-09 16:26:15,499 INFO L78 Accepts]: Start accepts. Automaton has 6590 states and 6791 transitions. Word has length 913 [2020-12-09 16:26:15,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:26:15,499 INFO L481 AbstractCegarLoop]: Abstraction has 6590 states and 6791 transitions. [2020-12-09 16:26:15,499 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 16:26:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 6590 states and 6791 transitions. [2020-12-09 16:26:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2020-12-09 16:26:15,508 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:26:15,508 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 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 16:26:15,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 cvc4 --incremental --print-success --lang smt,28 mathsat -unsat_core_generation=3 [2020-12-09 16:26:15,911 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:26:15,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:26:15,913 INFO L82 PathProgramCache]: Analyzing trace with hash 585441135, now seen corresponding path program 1 times [2020-12-09 16:26:15,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:26:15,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767334503] [2020-12-09 16:26:15,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/mathsat Starting monitored process 30 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with mathsat -unsat_core_generation=3 [2020-12-09 16:26:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:16,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 16:26:16,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:26:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 1296 proven. 898 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2020-12-09 16:26:19,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:26:20,603 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 16:26:20,604 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:26:23,889 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 21 DAG size of output: 7 [2020-12-09 16:26:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 1926 proven. 268 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2020-12-09 16:26:27,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767334503] [2020-12-09 16:26:27,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1386973938] [2020-12-09 16:26:27,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/cvc4 Starting monitored process 31 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with cvc4 --incremental --print-success --lang smt [2020-12-09 16:26:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:27,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 16:26:27,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:26:29,791 WARN L197 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-09 16:26:48,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 877 proven. 35 refuted. 0 times theorem prover too weak. 1684 trivial. 0 not checked. [2020-12-09 16:26:48,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:26:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 877 proven. 35 refuted. 0 times theorem prover too weak. 1684 trivial. 0 not checked. [2020-12-09 16:26:50,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670637827] [2020-12-09 16:26:50,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/z3 Starting monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:26:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:26:50,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 16:26:50,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:26:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 877 proven. 35 refuted. 0 times theorem prover too weak. 1684 trivial. 0 not checked. [2020-12-09 16:26:52,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:26:53,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2596 backedges. 877 proven. 35 refuted. 0 times theorem prover too weak. 1684 trivial. 0 not checked. [2020-12-09 16:26:53,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 16:26:53,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 5, 6, 4, 4] total 27 [2020-12-09 16:26:53,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593212827] [2020-12-09 16:26:53,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-12-09 16:26:53,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:26:53,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-12-09 16:26:53,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2020-12-09 16:26:53,539 INFO L87 Difference]: Start difference. First operand 6590 states and 6791 transitions. Second operand 27 states. [2020-12-09 16:27:05,318 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 16:27:06,182 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-09 16:27:12,430 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 16:27:13,187 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 16:27:45,063 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 24 [2020-12-09 16:27:59,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:27:59,730 INFO L93 Difference]: Finished difference Result 18051 states and 18586 transitions. [2020-12-09 16:27:59,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-09 16:27:59,730 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 929 [2020-12-09 16:27:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:27:59,740 INFO L225 Difference]: With dead ends: 18051 [2020-12-09 16:27:59,740 INFO L226 Difference]: Without dead ends: 11819 [2020-12-09 16:27:59,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5585 GetRequests, 5522 SyntacticMatches, 29 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 28.3s TimeCoverageRelationStatistics Valid=344, Invalid=916, Unknown=0, NotChecked=0, Total=1260 [2020-12-09 16:27:59,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11819 states. [2020-12-09 16:27:59,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11819 to 9251. [2020-12-09 16:27:59,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9251 states. [2020-12-09 16:27:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9251 states to 9251 states and 9529 transitions. [2020-12-09 16:27:59,846 INFO L78 Accepts]: Start accepts. Automaton has 9251 states and 9529 transitions. Word has length 929 [2020-12-09 16:27:59,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:27:59,847 INFO L481 AbstractCegarLoop]: Abstraction has 9251 states and 9529 transitions. [2020-12-09 16:27:59,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-12-09 16:27:59,847 INFO L276 IsEmpty]: Start isEmpty. Operand 9251 states and 9529 transitions. [2020-12-09 16:27:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2020-12-09 16:27:59,857 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:27:59,858 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:28:00,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 cvc4 --incremental --print-success --lang smt,32 z3 -smt2 -in SMTLIB2_COMPLIANT=true,30 mathsat -unsat_core_generation=3 [2020-12-09 16:28:00,461 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:28:00,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:28:00,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1201736481, now seen corresponding path program 1 times [2020-12-09 16:28:00,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:28:00,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891165874] [2020-12-09 16:28:00,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/mathsat Starting monitored process 33 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with mathsat -unsat_core_generation=3 [2020-12-09 16:28:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:28:00,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 16:28:00,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:28:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2716 backedges. 1664 proven. 420 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-12-09 16:28:04,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:28:05,396 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-12-09 16:28:05,397 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:28:08,590 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 19 DAG size of output: 7 [2020-12-09 16:28:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2716 backedges. 2084 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2020-12-09 16:28:11,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1891165874] [2020-12-09 16:28:11,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 16:28:11,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 19 [2020-12-09 16:28:11,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832635776] [2020-12-09 16:28:11,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 16:28:11,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:28:11,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 16:28:11,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=234, Unknown=0, NotChecked=0, Total=380 [2020-12-09 16:28:11,491 INFO L87 Difference]: Start difference. First operand 9251 states and 9529 transitions. Second operand 11 states. [2020-12-09 16:28:15,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:28:15,690 INFO L93 Difference]: Finished difference Result 18842 states and 19399 transitions. [2020-12-09 16:28:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 16:28:15,697 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1000 [2020-12-09 16:28:15,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:28:15,704 INFO L225 Difference]: With dead ends: 18842 [2020-12-09 16:28:15,704 INFO L226 Difference]: Without dead ends: 9584 [2020-12-09 16:28:15,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1998 GetRequests, 1929 SyntacticMatches, 51 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=146, Invalid=234, Unknown=0, NotChecked=0, Total=380 [2020-12-09 16:28:15,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9584 states. [2020-12-09 16:28:15,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9584 to 9228. [2020-12-09 16:28:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9228 states. [2020-12-09 16:28:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9228 states to 9228 states and 9503 transitions. [2020-12-09 16:28:15,786 INFO L78 Accepts]: Start accepts. Automaton has 9228 states and 9503 transitions. Word has length 1000 [2020-12-09 16:28:15,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:28:15,786 INFO L481 AbstractCegarLoop]: Abstraction has 9228 states and 9503 transitions. [2020-12-09 16:28:15,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 16:28:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 9228 states and 9503 transitions. [2020-12-09 16:28:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1078 [2020-12-09 16:28:15,798 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:28:15,798 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, 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, 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, 6, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:28:15,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 mathsat -unsat_core_generation=3 [2020-12-09 16:28:16,000 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:28:16,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:28:16,002 INFO L82 PathProgramCache]: Analyzing trace with hash -565527416, now seen corresponding path program 1 times [2020-12-09 16:28:16,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:28:16,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943377991] [2020-12-09 16:28:16,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/mathsat Starting monitored process 34 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with mathsat -unsat_core_generation=3 [2020-12-09 16:28:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:28:16,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 16:28:16,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:28:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3289 backedges. 1775 proven. 1115 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-12-09 16:28:19,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:28:20,721 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-12-09 16:28:20,721 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 16:28:21,489 WARN L197 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2020-12-09 16:28:32,521 WARN L197 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 16:28:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3289 backedges. 2317 proven. 0 refuted. 573 times theorem prover too weak. 399 trivial. 0 not checked. [2020-12-09 16:28:36,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1943377991] [2020-12-09 16:28:36,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [390819515] [2020-12-09 16:28:36,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/cvc4 Starting monitored process 35 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with cvc4 --incremental --print-success --lang smt [2020-12-09 16:28:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:28:37,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 16:28:37,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:28:39,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3289 backedges. 989 proven. 35 refuted. 0 times theorem prover too weak. 2265 trivial. 0 not checked. [2020-12-09 16:28:39,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:28:40,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3289 backedges. 989 proven. 35 refuted. 0 times theorem prover too weak. 2265 trivial. 0 not checked. [2020-12-09 16:28:40,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217477841] [2020-12-09 16:28:40,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/z3 Starting monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:28:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:28:40,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 16:28:40,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:28:42,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3289 backedges. 1577 proven. 195 refuted. 0 times theorem prover too weak. 1517 trivial. 0 not checked. [2020-12-09 16:28:42,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 16:28:44,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3289 backedges. 1027 proven. 745 refuted. 0 times theorem prover too weak. 1517 trivial. 0 not checked. [2020-12-09 16:28:44,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 16:28:44,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 5, 5, 5, 5] total 30 [2020-12-09 16:28:44,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034523747] [2020-12-09 16:28:44,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-12-09 16:28:44,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:28:44,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-12-09 16:28:44,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=645, Unknown=2, NotChecked=0, Total=870 [2020-12-09 16:28:44,669 INFO L87 Difference]: Start difference. First operand 9228 states and 9503 transitions. Second operand 30 states. [2020-12-09 16:28:53,547 WARN L197 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 33 [2020-12-09 16:29:00,073 WARN L197 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 27 [2020-12-09 16:29:46,729 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-12-09 16:29:58,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:29:58,936 INFO L93 Difference]: Finished difference Result 19198 states and 19747 transitions. [2020-12-09 16:29:58,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-09 16:29:58,946 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 1077 [2020-12-09 16:29:58,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:29:58,947 INFO L225 Difference]: With dead ends: 19198 [2020-12-09 16:29:58,947 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 16:29:58,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6482 GetRequests, 6414 SyntacticMatches, 24 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 550 ImplicationChecksByTransitivity, 27.4s TimeCoverageRelationStatistics Valid=416, Invalid=1652, Unknown=2, NotChecked=0, Total=2070 [2020-12-09 16:29:58,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 16:29:58,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 16:29:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 16:29:58,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 16:29:58,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1077 [2020-12-09 16:29:58,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:29:58,953 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 16:29:58,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-12-09 16:29:58,953 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 16:29:58,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 16:29:59,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 cvc4 --incremental --print-success --lang smt,34 mathsat -unsat_core_generation=3,36 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 16:29:59,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 16:30:00,152 WARN L197 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 318 [2020-12-09 16:30:00,517 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 318 [2020-12-09 16:30:31,170 WARN L197 SmtUtils]: Spent 30.65 s on a formula simplification. DAG size of input: 301 DAG size of output: 104 [2020-12-09 16:31:02,536 WARN L197 SmtUtils]: Spent 31.36 s on a formula simplification. DAG size of input: 301 DAG size of output: 104 [2020-12-09 16:31:02,539 INFO L262 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-09 16:31:02,539 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-09 16:31:02,539 INFO L262 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-09 16:31:02,539 INFO L262 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-09 16:31:02,539 INFO L262 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-09 16:31:02,539 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,539 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,539 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,539 INFO L262 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-09 16:31:02,539 INFO L262 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-09 16:31:02,540 INFO L262 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 16:31:02,541 INFO L262 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,542 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-09 16:31:02,543 INFO L262 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 16:31:02,544 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-09 16:31:02,545 INFO L262 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-09 16:31:02,546 INFO L262 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 16:31:02,547 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-09 16:31:02,548 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,549 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L258 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse7 (= (_ bv7 32) ~a15~0)) (.cse0 (= (_ bv1 32) ~a24~0)) (.cse12 (= (_ bv7 32) ~a21~0)) (.cse19 (not (bvsge (_ bv80 32) ~a12~0))) (.cse21 (bvsge (_ bv11 32) ~a12~0))) (let ((.cse4 (= (_ bv6 32) ~a15~0)) (.cse6 (= (_ bv6 32) ~a21~0)) (.cse10 (not (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967292 32)) (_ bv0 32)))) (.cse9 (or .cse19 .cse21)) (.cse14 (or (not .cse21) (not (bvslt (_ bv4294967253 32) ~a12~0)))) (.cse13 (let ((.cse20 (bvadd (bvsdiv (bvmul ~a12~0 (_ bv9 32)) (_ bv10 32)) (_ bv4294421173 32)))) (or (bvsge (_ bv11 32) .cse20) (not (bvsge (_ bv80 32) .cse20))))) (.cse2 (not (bvslt (_ bv11 32) ~a12~0))) (.cse1 (= (_ bv10 32) ~a21~0)) (.cse5 (= (_ bv5 32) ~a15~0)) (.cse3 (= (_ bv9 32) ~a21~0)) (.cse15 (not (= (_ bv9 32) ~a15~0))) (.cse8 (not (bvsle ~a12~0 (_ bv4294967253 32)))) (.cse17 (or (not .cse7) (not .cse0) (not .cse12) .cse19))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse0 .cse5 .cse6) (and .cse0 .cse3 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse10) (and (let ((.cse11 (= (_ bv8 32) ~a15~0))) (or (and .cse0 .cse3 (= ULTIMATE.start_calculate_output_~input (_ bv1 32)) .cse11) (and .cse0 .cse3 (= ULTIMATE.start_calculate_output_~input (_ bv2 32)) .cse11) (and .cse0 .cse3 (= ULTIMATE.start_calculate_output_~input (_ bv6 32)) .cse11) (and .cse0 .cse3 .cse11 (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967293 32)) (_ bv0 32))) (and .cse0 .cse3 (= ULTIMATE.start_calculate_output_~input (_ bv5 32)) .cse11))) .cse8) (and .cse0 .cse8 .cse4) (and .cse0 .cse12 .cse13 .cse8 .cse9 .cse14) (and .cse15 .cse0 .cse8 .cse9 .cse14) (and .cse15 .cse0 (exists ((v_~a12~0_514 (_ BitVec 32))) (let ((.cse16 (bvadd v_~a12~0_514 (_ bv4294871934 32)))) (and (bvsge (_ bv80 32) .cse16) (bvslt (_ bv11 32) .cse16) (= (bvadd (bvsdiv (bvmul v_~a12~0_514 (_ bv9 32)) (_ bv10 32)) (_ bv4294421173 32)) ~a12~0))))) (and (= (_ bv2 32) ~a24~0) .cse5 .cse13 .cse6 .cse2 .cse10 .cse14) (and .cse0 (= (_ bv8 32) ~a21~0)) (and .cse0 .cse3 .cse8 .cse9 .cse14) (and .cse15 .cse0 .cse13 .cse2 .cse17) (and .cse15 .cse0 .cse1) (and .cse0 .cse5 .cse3) (let ((.cse18 (bvadd ~a12~0 (_ bv4294871934 32)))) (and (bvsge (_ bv80 32) .cse18) .cse0 (bvslt (_ bv11 32) .cse18))) (and .cse15 .cse0 .cse12 .cse8 .cse17)))) [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-09 16:31:02,550 INFO L262 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,551 INFO L262 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse7 (= (_ bv7 32) ~a15~0)) (.cse0 (= (_ bv1 32) ~a24~0)) (.cse12 (= (_ bv7 32) ~a21~0)) (.cse19 (not (bvsge (_ bv80 32) ~a12~0))) (.cse21 (bvsge (_ bv11 32) ~a12~0))) (let ((.cse4 (= (_ bv6 32) ~a15~0)) (.cse6 (= (_ bv6 32) ~a21~0)) (.cse10 (not (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967292 32)) (_ bv0 32)))) (.cse9 (or .cse19 .cse21)) (.cse14 (or (not .cse21) (not (bvslt (_ bv4294967253 32) ~a12~0)))) (.cse13 (let ((.cse20 (bvadd (bvsdiv (bvmul ~a12~0 (_ bv9 32)) (_ bv10 32)) (_ bv4294421173 32)))) (or (bvsge (_ bv11 32) .cse20) (not (bvsge (_ bv80 32) .cse20))))) (.cse2 (not (bvslt (_ bv11 32) ~a12~0))) (.cse1 (= (_ bv10 32) ~a21~0)) (.cse5 (= (_ bv5 32) ~a15~0)) (.cse3 (= (_ bv9 32) ~a21~0)) (.cse15 (not (= (_ bv9 32) ~a15~0))) (.cse8 (not (bvsle ~a12~0 (_ bv4294967253 32)))) (.cse17 (or (not .cse7) (not .cse0) (not .cse12) .cse19))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse0 .cse5 .cse6) (and .cse0 .cse3 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse10) (and (let ((.cse11 (= (_ bv8 32) ~a15~0))) (or (and .cse0 .cse3 (= ULTIMATE.start_calculate_output_~input (_ bv1 32)) .cse11) (and .cse0 .cse3 (= ULTIMATE.start_calculate_output_~input (_ bv2 32)) .cse11) (and .cse0 .cse3 (= ULTIMATE.start_calculate_output_~input (_ bv6 32)) .cse11) (and .cse0 .cse3 .cse11 (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967293 32)) (_ bv0 32))) (and .cse0 .cse3 (= ULTIMATE.start_calculate_output_~input (_ bv5 32)) .cse11))) .cse8) (and .cse0 .cse8 .cse4) (and .cse0 .cse12 .cse13 .cse8 .cse9 .cse14) (and .cse15 .cse0 .cse8 .cse9 .cse14) (and .cse15 .cse0 (exists ((v_~a12~0_514 (_ BitVec 32))) (let ((.cse16 (bvadd v_~a12~0_514 (_ bv4294871934 32)))) (and (bvsge (_ bv80 32) .cse16) (bvslt (_ bv11 32) .cse16) (= (bvadd (bvsdiv (bvmul v_~a12~0_514 (_ bv9 32)) (_ bv10 32)) (_ bv4294421173 32)) ~a12~0))))) (and (= (_ bv2 32) ~a24~0) .cse5 .cse13 .cse6 .cse2 .cse10 .cse14) (and .cse0 (= (_ bv8 32) ~a21~0)) (and .cse0 .cse3 .cse8 .cse9 .cse14) (and .cse15 .cse0 .cse13 .cse2 .cse17) (and .cse15 .cse0 .cse1) (and .cse0 .cse5 .cse3) (let ((.cse18 (bvadd ~a12~0 (_ bv4294871934 32)))) (and (bvsge (_ bv80 32) .cse18) .cse0 (bvslt (_ bv11 32) .cse18))) (and .cse15 .cse0 .cse12 .cse8 .cse17)))) [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 16:31:02,552 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 16:31:02,553 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 16:31:02,560 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,561 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,570 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,573 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:31:02 BoogieIcfgContainer [2020-12-09 16:31:02,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:31:02,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:31:02,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:31:02,580 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:31:02,580 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:22:37" (3/4) ... [2020-12-09 16:31:02,583 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 16:31:02,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 16:31:02,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 16:31:02,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 16:31:02,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 16:31:02,621 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((1bv32 == a24 && 10bv32 == a21) && !~bvslt32(11bv32, a12)) || ((1bv32 == a24 && 9bv32 == a21) && 6bv32 == a15)) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || (((1bv32 == a24 && 9bv32 == a21) && 7bv32 == a15) && !~bvsle32(a12, 4294967253bv32))) || (((1bv32 == a24 && 10bv32 == a21) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && !(~bvadd64(input, 4294967292bv32) == 0bv32))) || ((((((((1bv32 == a24 && 9bv32 == a21) && input == 1bv32) && 8bv32 == a15) || (((1bv32 == a24 && 9bv32 == a21) && input == 2bv32) && 8bv32 == a15)) || (((1bv32 == a24 && 9bv32 == a21) && input == 6bv32) && 8bv32 == a15)) || (((1bv32 == a24 && 9bv32 == a21) && 8bv32 == a15) && ~bvadd64(input, 4294967293bv32) == 0bv32)) || (((1bv32 == a24 && 9bv32 == a21) && input == 5bv32) && 8bv32 == a15)) && !~bvsle32(a12, 4294967253bv32))) || ((1bv32 == a24 && !~bvsle32(a12, 4294967253bv32)) && 6bv32 == a15)) || (((((1bv32 == a24 && 7bv32 == a21) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((!(9bv32 == a15) && 1bv32 == a24) && (\exists v_~a12~0_514 : bv32 :: (~bvsge32(80bv32, ~bvadd64(v_~a12~0_514, 4294871934bv32)) && ~bvslt32(11bv32, ~bvadd64(v_~a12~0_514, 4294871934bv32))) && ~bvadd64(~bvsdiv32(~bvmul32(v_~a12~0_514, 9bv32), 10bv32), 4294421173bv32) == a12))) || ((((((2bv32 == a24 && 5bv32 == a15) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && 6bv32 == a21) && !~bvslt32(11bv32, a12)) && !(~bvadd64(input, 4294967292bv32) == 0bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (1bv32 == a24 && 8bv32 == a21)) || ((((1bv32 == a24 && 9bv32 == a21) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && !~bvslt32(11bv32, a12)) && (((!(7bv32 == a15) || !(1bv32 == a24)) || !(7bv32 == a21)) || !~bvsge32(80bv32, a12)))) || ((!(9bv32 == a15) && 1bv32 == a24) && 10bv32 == a21)) || ((1bv32 == a24 && 5bv32 == a15) && 9bv32 == a21)) || ((~bvsge32(80bv32, ~bvadd64(a12, 4294871934bv32)) && 1bv32 == a24) && ~bvslt32(11bv32, ~bvadd64(a12, 4294871934bv32)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && 7bv32 == a21) && !~bvsle32(a12, 4294967253bv32)) && (((!(7bv32 == a15) || !(1bv32 == a24)) || !(7bv32 == a21)) || !~bvsge32(80bv32, a12))) [2020-12-09 16:31:02,624 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((1bv32 == a24 && 10bv32 == a21) && !~bvslt32(11bv32, a12)) || ((1bv32 == a24 && 9bv32 == a21) && 6bv32 == a15)) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || (((1bv32 == a24 && 9bv32 == a21) && 7bv32 == a15) && !~bvsle32(a12, 4294967253bv32))) || (((1bv32 == a24 && 10bv32 == a21) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && !(~bvadd64(input, 4294967292bv32) == 0bv32))) || ((((((((1bv32 == a24 && 9bv32 == a21) && input == 1bv32) && 8bv32 == a15) || (((1bv32 == a24 && 9bv32 == a21) && input == 2bv32) && 8bv32 == a15)) || (((1bv32 == a24 && 9bv32 == a21) && input == 6bv32) && 8bv32 == a15)) || (((1bv32 == a24 && 9bv32 == a21) && 8bv32 == a15) && ~bvadd64(input, 4294967293bv32) == 0bv32)) || (((1bv32 == a24 && 9bv32 == a21) && input == 5bv32) && 8bv32 == a15)) && !~bvsle32(a12, 4294967253bv32))) || ((1bv32 == a24 && !~bvsle32(a12, 4294967253bv32)) && 6bv32 == a15)) || (((((1bv32 == a24 && 7bv32 == a21) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((!(9bv32 == a15) && 1bv32 == a24) && (\exists v_~a12~0_514 : bv32 :: (~bvsge32(80bv32, ~bvadd64(v_~a12~0_514, 4294871934bv32)) && ~bvslt32(11bv32, ~bvadd64(v_~a12~0_514, 4294871934bv32))) && ~bvadd64(~bvsdiv32(~bvmul32(v_~a12~0_514, 9bv32), 10bv32), 4294421173bv32) == a12))) || ((((((2bv32 == a24 && 5bv32 == a15) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && 6bv32 == a21) && !~bvslt32(11bv32, a12)) && !(~bvadd64(input, 4294967292bv32) == 0bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (1bv32 == a24 && 8bv32 == a21)) || ((((1bv32 == a24 && 9bv32 == a21) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && !~bvslt32(11bv32, a12)) && (((!(7bv32 == a15) || !(1bv32 == a24)) || !(7bv32 == a21)) || !~bvsge32(80bv32, a12)))) || ((!(9bv32 == a15) && 1bv32 == a24) && 10bv32 == a21)) || ((1bv32 == a24 && 5bv32 == a15) && 9bv32 == a21)) || ((~bvsge32(80bv32, ~bvadd64(a12, 4294871934bv32)) && 1bv32 == a24) && ~bvslt32(11bv32, ~bvadd64(a12, 4294871934bv32)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && 7bv32 == a21) && !~bvsle32(a12, 4294967253bv32)) && (((!(7bv32 == a15) || !(1bv32 == a24)) || !(7bv32 == a21)) || !~bvsge32(80bv32, a12))) [2020-12-09 16:31:02,683 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f2e0d40d-a765-4b11-b182-c37d5f073fe3/bin/utaipan/witness.graphml [2020-12-09 16:31:02,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:31:02,684 INFO L168 Benchmark]: Toolchain (without parser) took 507934.36 ms. Allocated memory was 56.6 MB in the beginning and 673.2 MB in the end (delta: 616.6 MB). Free memory was 34.0 MB in the beginning and 256.2 MB in the end (delta: -222.1 MB). Peak memory consumption was 393.7 MB. Max. memory is 16.1 GB. [2020-12-09 16:31:02,684 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:31:02,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.40 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.7 MB in the beginning and 38.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 16:31:02,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.03 ms. Allocated memory is still 71.3 MB. Free memory was 38.7 MB in the beginning and 49.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-12-09 16:31:02,685 INFO L168 Benchmark]: Boogie Preprocessor took 63.79 ms. Allocated memory is still 71.3 MB. Free memory was 49.5 MB in the beginning and 44.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 16:31:02,685 INFO L168 Benchmark]: RCFGBuilder took 2440.47 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 44.2 MB in the beginning and 56.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2020-12-09 16:31:02,685 INFO L168 Benchmark]: TraceAbstraction took 504825.84 ms. Allocated memory was 90.2 MB in the beginning and 673.2 MB in the end (delta: 583.0 MB). Free memory was 55.7 MB in the beginning and 275.1 MB in the end (delta: -219.3 MB). Peak memory consumption was 563.8 MB. Max. memory is 16.1 GB. [2020-12-09 16:31:02,686 INFO L168 Benchmark]: Witness Printer took 103.59 ms. Allocated memory is still 673.2 MB. Free memory was 275.1 MB in the beginning and 256.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-09 16:31:02,687 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.2 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.40 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 33.7 MB in the beginning and 38.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.03 ms. Allocated memory is still 71.3 MB. Free memory was 38.7 MB in the beginning and 49.5 MB in the end (delta: -10.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.79 ms. Allocated memory is still 71.3 MB. Free memory was 49.5 MB in the beginning and 44.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2440.47 ms. Allocated memory was 71.3 MB in the beginning and 90.2 MB in the end (delta: 18.9 MB). Free memory was 44.2 MB in the beginning and 56.3 MB in the end (delta: -12.1 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 504825.84 ms. Allocated memory was 90.2 MB in the beginning and 673.2 MB in the end (delta: 583.0 MB). Free memory was 55.7 MB in the beginning and 275.1 MB in the end (delta: -219.3 MB). Peak memory consumption was 563.8 MB. Max. memory is 16.1 GB. * Witness Printer took 103.59 ms. Allocated memory is still 673.2 MB. Free memory was 275.1 MB in the beginning and 256.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 125]: 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 [2020-12-09 16:31:02,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,691 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,693 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,694 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] Derived loop invariant: ((((((((((((((((((1bv32 == a24 && 10bv32 == a21) && !~bvslt32(11bv32, a12)) || ((1bv32 == a24 && 9bv32 == a21) && 6bv32 == a15)) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || (((1bv32 == a24 && 9bv32 == a21) && 7bv32 == a15) && !~bvsle32(a12, 4294967253bv32))) || (((1bv32 == a24 && 10bv32 == a21) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && !(~bvadd64(input, 4294967292bv32) == 0bv32))) || ((((((((1bv32 == a24 && 9bv32 == a21) && input == 1bv32) && 8bv32 == a15) || (((1bv32 == a24 && 9bv32 == a21) && input == 2bv32) && 8bv32 == a15)) || (((1bv32 == a24 && 9bv32 == a21) && input == 6bv32) && 8bv32 == a15)) || (((1bv32 == a24 && 9bv32 == a21) && 8bv32 == a15) && ~bvadd64(input, 4294967293bv32) == 0bv32)) || (((1bv32 == a24 && 9bv32 == a21) && input == 5bv32) && 8bv32 == a15)) && !~bvsle32(a12, 4294967253bv32))) || ((1bv32 == a24 && !~bvsle32(a12, 4294967253bv32)) && 6bv32 == a15)) || (((((1bv32 == a24 && 7bv32 == a21) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((!(9bv32 == a15) && 1bv32 == a24) && (\exists v_~a12~0_514 : bv32 :: (~bvsge32(80bv32, ~bvadd64(v_~a12~0_514, 4294871934bv32)) && ~bvslt32(11bv32, ~bvadd64(v_~a12~0_514, 4294871934bv32))) && ~bvadd64(~bvsdiv32(~bvmul32(v_~a12~0_514, 9bv32), 10bv32), 4294421173bv32) == a12))) || ((((((2bv32 == a24 && 5bv32 == a15) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && 6bv32 == a21) && !~bvslt32(11bv32, a12)) && !(~bvadd64(input, 4294967292bv32) == 0bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (1bv32 == a24 && 8bv32 == a21)) || ((((1bv32 == a24 && 9bv32 == a21) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && !~bvslt32(11bv32, a12)) && (((!(7bv32 == a15) || !(1bv32 == a24)) || !(7bv32 == a21)) || !~bvsge32(80bv32, a12)))) || ((!(9bv32 == a15) && 1bv32 == a24) && 10bv32 == a21)) || ((1bv32 == a24 && 5bv32 == a15) && 9bv32 == a21)) || ((~bvsge32(80bv32, ~bvadd64(a12, 4294871934bv32)) && 1bv32 == a24) && ~bvslt32(11bv32, ~bvadd64(a12, 4294871934bv32)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && 7bv32 == a21) && !~bvsle32(a12, 4294967253bv32)) && (((!(7bv32 == a15) || !(1bv32 == a24)) || !(7bv32 == a21)) || !~bvsge32(80bv32, a12))) - InvariantResult [Line: 30]: Loop Invariant [2020-12-09 16:31:02,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,695 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] [2020-12-09 16:31:02,697 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a12~0_514,QUANTIFIED] Derived loop invariant: ((((((((((((((((((1bv32 == a24 && 10bv32 == a21) && !~bvslt32(11bv32, a12)) || ((1bv32 == a24 && 9bv32 == a21) && 6bv32 == a15)) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || (((1bv32 == a24 && 9bv32 == a21) && 7bv32 == a15) && !~bvsle32(a12, 4294967253bv32))) || (((1bv32 == a24 && 10bv32 == a21) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && !(~bvadd64(input, 4294967292bv32) == 0bv32))) || ((((((((1bv32 == a24 && 9bv32 == a21) && input == 1bv32) && 8bv32 == a15) || (((1bv32 == a24 && 9bv32 == a21) && input == 2bv32) && 8bv32 == a15)) || (((1bv32 == a24 && 9bv32 == a21) && input == 6bv32) && 8bv32 == a15)) || (((1bv32 == a24 && 9bv32 == a21) && 8bv32 == a15) && ~bvadd64(input, 4294967293bv32) == 0bv32)) || (((1bv32 == a24 && 9bv32 == a21) && input == 5bv32) && 8bv32 == a15)) && !~bvsle32(a12, 4294967253bv32))) || ((1bv32 == a24 && !~bvsle32(a12, 4294967253bv32)) && 6bv32 == a15)) || (((((1bv32 == a24 && 7bv32 == a21) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((!(9bv32 == a15) && 1bv32 == a24) && (\exists v_~a12~0_514 : bv32 :: (~bvsge32(80bv32, ~bvadd64(v_~a12~0_514, 4294871934bv32)) && ~bvslt32(11bv32, ~bvadd64(v_~a12~0_514, 4294871934bv32))) && ~bvadd64(~bvsdiv32(~bvmul32(v_~a12~0_514, 9bv32), 10bv32), 4294421173bv32) == a12))) || ((((((2bv32 == a24 && 5bv32 == a15) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && 6bv32 == a21) && !~bvslt32(11bv32, a12)) && !(~bvadd64(input, 4294967292bv32) == 0bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (1bv32 == a24 && 8bv32 == a21)) || ((((1bv32 == a24 && 9bv32 == a21) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(80bv32, a12) || ~bvsge32(11bv32, a12))) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && (~bvsge32(11bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)) || !~bvsge32(80bv32, ~bvadd64(~bvsdiv32(~bvmul32(a12, 9bv32), 10bv32), 4294421173bv32)))) && !~bvslt32(11bv32, a12)) && (((!(7bv32 == a15) || !(1bv32 == a24)) || !(7bv32 == a21)) || !~bvsge32(80bv32, a12)))) || ((!(9bv32 == a15) && 1bv32 == a24) && 10bv32 == a21)) || ((1bv32 == a24 && 5bv32 == a15) && 9bv32 == a21)) || ((~bvsge32(80bv32, ~bvadd64(a12, 4294871934bv32)) && 1bv32 == a24) && ~bvslt32(11bv32, ~bvadd64(a12, 4294871934bv32)))) || ((((!(9bv32 == a15) && 1bv32 == a24) && 7bv32 == a21) && !~bvsle32(a12, 4294967253bv32)) && (((!(7bv32 == a15) || !(1bv32 == a24)) || !(7bv32 == a21)) || !~bvsge32(80bv32, a12))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 441.7s, OverallIterations: 19, TraceHistogramMax: 9, AutomataDifference: 258.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 62.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2333 SDtfs, 11133 SDslu, 635 SDs, 0 SdLazy, 41167 SolverSat, 2796 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 214.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42869 GetRequests, 42310 SyntacticMatches, 237 SemanticMatches, 322 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2963 ImplicationChecksByTransitivity, 90.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9251occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 19 MinimizatonAttempts, 5349 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 255 NumberOfFragments, 915 HoareAnnotationTreeSize, 3 FomulaSimplifications, 22316 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 18918 FormulaSimplificationTreeSizeReductionInter, 62.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 7.0s SatisfiabilityAnalysisTime, 165.9s InterpolantComputationTime, 24584 NumberOfCodeBlocks, 24584 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 42807 ConstructedInterpolants, 70 QuantifiedInterpolants, 396878569 SizeOfPredicates, 159 NumberOfNonLiveVariables, 27587 ConjunctsInSsa, 302 ConjunctsInUnsatCore, 58 InterpolantComputations, 16 PerfectInterpolantSequences, 89470/105576 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...