./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.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_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 9732118990568cf242ce5c36af54daf44dd294d6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 9732118990568cf242ce5c36af54daf44dd294d6 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:54:05,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:54:05,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:54:05,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:54:05,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:54:05,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:54:05,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:54:05,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:54:05,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:54:05,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:54:05,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:54:05,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:54:05,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:54:05,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:54:05,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:54:05,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:54:05,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:54:05,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:54:05,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:54:05,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:54:05,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:54:05,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:54:05,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:54:05,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:54:05,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:54:05,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:54:05,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:54:05,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:54:05,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:54:05,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:54:05,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:54:05,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:54:05,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:54:05,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:54:05,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:54:05,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:54:05,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:54:05,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:54:05,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:54:05,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:54:05,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:54:05,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 04:54:05,906 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:54:05,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:54:05,907 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:54:05,907 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:54:05,907 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:54:05,908 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:54:05,908 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 04:54:05,908 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:54:05,908 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:54:05,908 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 04:54:05,908 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 04:54:05,908 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:54:05,908 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 04:54:05,909 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 04:54:05,909 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 04:54:05,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:54:05,909 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:54:05,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 04:54:05,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:54:05,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:54:05,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:54:05,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:54:05,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:54:05,910 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 04:54:05,910 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:54:05,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:54:05,910 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:54:05,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:54:05,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:54:05,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:54:05,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:54:05,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:54:05,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:54:05,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:54:05,912 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 04:54:05,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 04:54:05,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:54:05,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:54:05,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:54:05,913 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_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9732118990568cf242ce5c36af54daf44dd294d6 [2020-12-09 04:54:06,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:54:06,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:54:06,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:54:06,117 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:54:06,118 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:54:06,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2020-12-09 04:54:06,158 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/data/1bf4fa4af/031238c5229e4845acdebb0cdaf2d358/FLAG93892b56e [2020-12-09 04:54:06,583 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:54:06,583 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2020-12-09 04:54:06,593 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/data/1bf4fa4af/031238c5229e4845acdebb0cdaf2d358/FLAG93892b56e [2020-12-09 04:54:06,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/data/1bf4fa4af/031238c5229e4845acdebb0cdaf2d358 [2020-12-09 04:54:06,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:54:06,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:54:06,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:54:06,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:54:06,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:54:06,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:54:06" (1/1) ... [2020-12-09 04:54:06,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c42ce1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:06, skipping insertion in model container [2020-12-09 04:54:06,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:54:06" (1/1) ... [2020-12-09 04:54:06,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:54:06,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:54:06,797 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_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2020-12-09 04:54:06,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:54:06,933 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 04:54:06,950 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_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2020-12-09 04:54:07,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:54:07,021 INFO L208 MainTranslator]: Completed translation [2020-12-09 04:54:07,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07 WrapperNode [2020-12-09 04:54:07,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 04:54:07,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 04:54:07,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 04:54:07,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 04:54:07,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (1/1) ... [2020-12-09 04:54:07,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (1/1) ... [2020-12-09 04:54:07,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 04:54:07,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 04:54:07,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 04:54:07,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 04:54:07,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (1/1) ... [2020-12-09 04:54:07,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (1/1) ... [2020-12-09 04:54:07,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (1/1) ... [2020-12-09 04:54:07,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (1/1) ... [2020-12-09 04:54:07,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (1/1) ... [2020-12-09 04:54:07,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (1/1) ... [2020-12-09 04:54:07,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (1/1) ... [2020-12-09 04:54:07,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 04:54:07,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 04:54:07,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 04:54:07,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 04:54:07,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:54:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 04:54:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 04:54:07,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 04:54:07,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 04:54:17,696 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 04:54:17,696 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 04:54:17,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:54:17 BoogieIcfgContainer [2020-12-09 04:54:17,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 04:54:17,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 04:54:17,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 04:54:17,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 04:54:17,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:54:06" (1/3) ... [2020-12-09 04:54:17,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7012a1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:54:17, skipping insertion in model container [2020-12-09 04:54:17,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:07" (2/3) ... [2020-12-09 04:54:17,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7012a1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:54:17, skipping insertion in model container [2020-12-09 04:54:17,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:54:17" (3/3) ... [2020-12-09 04:54:17,704 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label36.c [2020-12-09 04:54:17,713 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 04:54:17,716 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 04:54:17,723 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 04:54:17,742 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 04:54:17,742 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 04:54:17,742 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 04:54:17,742 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 04:54:17,742 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 04:54:17,742 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 04:54:17,742 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 04:54:17,742 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 04:54:17,751 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 04:54:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 04:54:17,755 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:54:17,755 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 04:54:17,756 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:54:17,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:54:17,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1037750095, now seen corresponding path program 1 times [2020-12-09 04:54:17,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:54:17,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499707121] [2020-12-09 04:54:17,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:54:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:54:17,913 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 04:54:17,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499707121] [2020-12-09 04:54:17,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:54:17,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:54:17,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766524478] [2020-12-09 04:54:17,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:54:17,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 04:54:17,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:54:17,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:54:17,930 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 04:54:18,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:54:18,011 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 04:54:18,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:54:18,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 04:54:18,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:54:18,020 INFO L225 Difference]: With dead ends: 23 [2020-12-09 04:54:18,020 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 04:54:18,023 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 04:54:18,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 04:54:18,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 04:54:18,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 04:54:18,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 04:54:18,047 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 04:54:18,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:54:18,047 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 04:54:18,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:54:18,047 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 04:54:18,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 04:54:18,048 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:54:18,048 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 04:54:18,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 04:54:18,048 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:54:18,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:54:18,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1901912903, now seen corresponding path program 1 times [2020-12-09 04:54:18,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 04:54:18,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895889964] [2020-12-09 04:54:18,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 04:54:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:54:18,474 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 04:54:18,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895889964] [2020-12-09 04:54:18,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309389756] [2020-12-09 04:54:18,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:54:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:54:18,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 04:54:18,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:54:18,788 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 83 [2020-12-09 04:54:18,840 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:18,842 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:18,844 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,846 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:18,847 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:18,849 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,850 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:18,853 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:18,855 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:18,859 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,860 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:18,862 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:18,864 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,865 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,870 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:18,871 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,872 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,873 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,874 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,876 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,879 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 04:54:18,881 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,884 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,884 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:18,885 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:18,888 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,890 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,894 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,895 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 04:54:18,897 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,898 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,899 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,899 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:18,901 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:18,903 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,905 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,907 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 04:54:18,909 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,910 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,912 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,915 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,916 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 04:54:18,916 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,917 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,920 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,923 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 04:54:18,924 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,925 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,927 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,930 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:18,930 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,931 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,931 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,932 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:18,933 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,934 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,934 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,935 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:18,936 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:18,938 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,939 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,942 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,942 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 04:54:18,943 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,946 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,949 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,951 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 04:54:18,951 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,952 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,953 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 04:54:18,954 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,956 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 04:54:18,958 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,960 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,961 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,964 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 04:54:18,964 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,968 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 04:54:18,968 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 04:54:18,969 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 04:54:18,970 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,970 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,971 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:18,971 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:18,974 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 04:54:18,975 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,977 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 04:54:18,978 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,978 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,980 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,983 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 04:54:18,984 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 04:54:18,984 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,985 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,987 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 04:54:18,989 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 04:54:18,990 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 04:54:18,991 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 04:54:18,993 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 04:54:18,999 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 04:54:18,999 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 04:54:19,000 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 04:54:19,000 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 04:54:19,001 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 04:54:19,001 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 04:54:19,002 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 04:54:19,002 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 04:54:19,002 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-09 04:54:19,002 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,004 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 2, 4, 1] term [2020-12-09 04:54:19,004 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,004 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 5, 4, 2, 4, 1] term [2020-12-09 04:54:19,005 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,005 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 04:54:19,005 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 04:54:19,006 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 04:54:19,006 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 04:54:19,007 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 04:54:19,007 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,010 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 04:54:19,011 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,011 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,011 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,013 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,014 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,016 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,017 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 04:54:19,017 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,019 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,020 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,022 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,023 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,024 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,026 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,027 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,029 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,029 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,030 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,033 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,033 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,034 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,035 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,036 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,037 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,039 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,041 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 04:54:19,041 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,042 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,042 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,044 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,045 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 04:54:19,046 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,046 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,048 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,048 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,049 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,050 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,051 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,054 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 04:54:19,054 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,054 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,056 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,056 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,058 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,060 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,062 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,062 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,062 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,065 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 04:54:19,066 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,066 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,066 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,068 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,069 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,072 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 04:54:19,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,074 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,075 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,079 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 04:54:19,079 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,081 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,082 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,082 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,084 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,085 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,086 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,088 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,089 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,090 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,091 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,092 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,094 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,096 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,097 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 04:54:19,097 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,098 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,099 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,100 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,100 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,101 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,103 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,105 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,106 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,106 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,109 INFO L639 QuantifierPusher]: Distributing 18 conjuncts over 2 disjuncts [2020-12-09 04:54:19,109 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 04:54:19,110 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,111 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,112 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 04:54:19,114 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 04:54:19,114 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,115 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,116 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,117 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,118 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,119 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,121 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,121 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,124 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 04:54:19,124 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 04:54:19,125 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,126 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,127 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 04:54:19,129 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 04:54:19,129 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,130 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,131 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,131 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,133 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,133 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,158 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,159 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,161 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,162 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,163 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 04:54:19,164 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,165 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 04:54:19,166 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,167 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,167 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,169 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,171 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:19,171 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,175 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 04:54:19,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,177 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:19,177 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,179 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,180 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,181 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,182 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,183 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,184 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,185 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,187 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,188 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,188 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,189 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 04:54:19,191 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,192 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,194 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 04:54:19,196 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:19,196 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,198 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,200 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,201 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,203 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 3 disjuncts [2020-12-09 04:54:19,204 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 04:54:19,205 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,206 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,208 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,210 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 04:54:19,210 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,211 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,213 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,213 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,215 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,216 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,219 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,219 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,221 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,223 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,223 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,226 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 04:54:19,226 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,228 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,228 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,231 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,233 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,234 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 04:54:19,235 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,236 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 04:54:19,238 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,239 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,240 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,242 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,242 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,244 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:19,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,247 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,249 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 04:54:19,250 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,252 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:19,253 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,255 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,258 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,259 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,260 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,262 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,264 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,265 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,267 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,268 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 04:54:19,269 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,270 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 04:54:19,272 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,273 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,274 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 04:54:19,277 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,278 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,281 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 04:54:19,281 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,282 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 04:54:19,285 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,286 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,288 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 04:54:19,290 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 04:54:19,290 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,293 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:54:19,295 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,296 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,298 INFO L639 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-12-09 04:54:19,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,301 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 04:54:19,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,303 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,304 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,306 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,307 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,308 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,311 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 04:54:19,311 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,312 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,313 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,315 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,315 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,318 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,319 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,322 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,323 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,326 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,328 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,329 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,330 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,331 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 04:54:19,332 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,335 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 04:54:19,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,336 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 04:54:19,337 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,339 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,339 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,341 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,342 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:54:19,343 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:54:19,356 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 04:54:19,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:54:19,760 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 2658 DAG size of output: 2498 [2020-12-09 04:54:19,780 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 04:54:19,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1012458011] [2020-12-09 04:54:19,800 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 04:54:19,800 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 04:54:19,804 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 04:54:19,809 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 04:54:19,810 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 04:54:19,932 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 43 [2020-12-09 04:54:20,959 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 43 [2020-12-09 04:54:22,425 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 2479 DAG size of output: 2338 [2020-12-09 04:54:37,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 04:54:37,034 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 04:54:37,045 INFO L168 Benchmark]: Toolchain (without parser) took 30432.31 ms. Allocated memory was 107.0 MB in the beginning and 702.5 MB in the end (delta: 595.6 MB). Free memory was 68.4 MB in the beginning and 404.6 MB in the end (delta: -336.1 MB). Peak memory consumption was 548.5 MB. Max. memory is 16.1 GB. [2020-12-09 04:54:37,047 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 107.0 MB. Free memory is still 86.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:54:37,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 411.66 ms. Allocated memory is still 107.0 MB. Free memory was 68.2 MB in the beginning and 62.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-12-09 04:54:37,051 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.14 ms. Allocated memory is still 107.0 MB. Free memory was 62.2 MB in the beginning and 52.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 04:54:37,053 INFO L168 Benchmark]: Boogie Preprocessor took 72.28 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 52.5 MB in the beginning and 100.3 MB in the end (delta: -47.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-12-09 04:54:37,056 INFO L168 Benchmark]: RCFGBuilder took 10509.74 ms. Allocated memory was 130.0 MB in the beginning and 394.3 MB in the end (delta: 264.2 MB). Free memory was 100.3 MB in the beginning and 164.5 MB in the end (delta: -64.2 MB). Peak memory consumption was 227.9 MB. Max. memory is 16.1 GB. [2020-12-09 04:54:37,059 INFO L168 Benchmark]: TraceAbstraction took 19341.86 ms. Allocated memory was 394.3 MB in the beginning and 702.5 MB in the end (delta: 308.3 MB). Free memory was 164.5 MB in the beginning and 404.6 MB in the end (delta: -240.1 MB). Peak memory consumption was 357.6 MB. Max. memory is 16.1 GB. [2020-12-09 04:54:37,064 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 107.0 MB. Free memory is still 86.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 411.66 ms. Allocated memory is still 107.0 MB. Free memory was 68.2 MB in the beginning and 62.2 MB in the end (delta: 6.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 92.14 ms. Allocated memory is still 107.0 MB. Free memory was 62.2 MB in the beginning and 52.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.28 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 52.5 MB in the beginning and 100.3 MB in the end (delta: -47.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10509.74 ms. Allocated memory was 130.0 MB in the beginning and 394.3 MB in the end (delta: 264.2 MB). Free memory was 100.3 MB in the beginning and 164.5 MB in the end (delta: -64.2 MB). Peak memory consumption was 227.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19341.86 ms. Allocated memory was 394.3 MB in the beginning and 702.5 MB in the end (delta: 308.3 MB). Free memory was 164.5 MB in the beginning and 404.6 MB in the end (delta: -240.1 MB). Peak memory consumption was 357.6 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 04:54:38,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 04:54:38,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 04:54:38,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 04:54:38,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 04:54:38,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 04:54:38,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 04:54:38,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 04:54:38,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 04:54:38,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 04:54:38,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 04:54:38,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 04:54:38,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 04:54:38,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 04:54:38,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 04:54:38,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 04:54:38,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 04:54:38,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 04:54:38,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 04:54:38,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 04:54:38,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 04:54:38,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 04:54:38,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 04:54:38,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 04:54:38,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 04:54:38,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 04:54:38,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 04:54:38,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 04:54:38,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 04:54:38,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 04:54:38,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 04:54:38,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 04:54:38,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 04:54:38,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 04:54:38,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 04:54:38,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 04:54:38,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 04:54:38,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 04:54:38,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 04:54:38,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 04:54:38,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 04:54:38,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 04:54:38,683 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 04:54:38,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 04:54:38,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 04:54:38,684 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 04:54:38,684 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 04:54:38,684 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 04:54:38,684 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 04:54:38,684 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 04:54:38,685 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 04:54:38,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 04:54:38,685 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 04:54:38,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 04:54:38,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 04:54:38,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 04:54:38,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 04:54:38,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 04:54:38,686 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 04:54:38,686 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 04:54:38,686 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 04:54:38,686 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 04:54:38,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 04:54:38,686 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 04:54:38,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 04:54:38,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 04:54:38,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 04:54:38,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 04:54:38,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 04:54:38,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 04:54:38,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 04:54:38,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 04:54:38,687 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 04:54:38,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 04:54:38,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 04:54:38,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 04:54:38,688 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 04:54:38,688 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_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9732118990568cf242ce5c36af54daf44dd294d6 [2020-12-09 04:54:38,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 04:54:38,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 04:54:38,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 04:54:38,927 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 04:54:38,928 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 04:54:38,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2020-12-09 04:54:38,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/data/c21677c35/4f2eeecf5fa64ba2a25da772bb9c4b4b/FLAGd8193e4d1 [2020-12-09 04:54:39,402 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 04:54:39,402 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2020-12-09 04:54:39,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/data/c21677c35/4f2eeecf5fa64ba2a25da772bb9c4b4b/FLAGd8193e4d1 [2020-12-09 04:54:39,422 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/data/c21677c35/4f2eeecf5fa64ba2a25da772bb9c4b4b [2020-12-09 04:54:39,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 04:54:39,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 04:54:39,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 04:54:39,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 04:54:39,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 04:54:39,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:39,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17dd1178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39, skipping insertion in model container [2020-12-09 04:54:39,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:39,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 04:54:39,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 04:54:39,605 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_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2020-12-09 04:54:39,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:54:39,777 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 04:54:39,795 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_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2020-12-09 04:54:39,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 04:54:39,888 INFO L208 MainTranslator]: Completed translation [2020-12-09 04:54:39,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39 WrapperNode [2020-12-09 04:54:39,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 04:54:39,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 04:54:39,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 04:54:39,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 04:54:39,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:39,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:39,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 04:54:39,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 04:54:39,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 04:54:39,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 04:54:39,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:39,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:39,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:39,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:39,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:39,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:39,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (1/1) ... [2020-12-09 04:54:40,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 04:54:40,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 04:54:40,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 04:54:40,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 04:54:40,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 04:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 04:54:40,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 04:54:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 04:54:42,450 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 04:54:42,450 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 04:54:42,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:54:42 BoogieIcfgContainer [2020-12-09 04:54:42,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 04:54:42,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 04:54:42,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 04:54:42,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 04:54:42,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:54:39" (1/3) ... [2020-12-09 04:54:42,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0b4269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:54:42, skipping insertion in model container [2020-12-09 04:54:42,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:54:39" (2/3) ... [2020-12-09 04:54:42,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0b4269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:54:42, skipping insertion in model container [2020-12-09 04:54:42,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:54:42" (3/3) ... [2020-12-09 04:54:42,457 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label36.c [2020-12-09 04:54:42,465 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 04:54:42,468 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 04:54:42,475 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 04:54:42,493 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 04:54:42,493 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 04:54:42,493 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 04:54:42,493 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 04:54:42,493 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 04:54:42,493 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 04:54:42,494 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 04:54:42,494 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 04:54:42,507 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-09 04:54:42,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-09 04:54:42,512 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:54:42,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:54:42,513 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:54:42,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:54:42,517 INFO L82 PathProgramCache]: Analyzing trace with hash 563919826, now seen corresponding path program 1 times [2020-12-09 04:54:42,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:54:42,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76244207] [2020-12-09 04:54:42,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:54:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:54:42,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 04:54:42,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:54:42,735 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 04:54:42,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:54:42,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76244207] [2020-12-09 04:54:42,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:54:42,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:54:42,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183407539] [2020-12-09 04:54:42,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:54:42,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:54:42,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:54:42,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:54:42,757 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-09 04:54:45,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:54:45,913 INFO L93 Difference]: Finished difference Result 685 states and 1216 transitions. [2020-12-09 04:54:45,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:54:45,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-09 04:54:45,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:54:45,927 INFO L225 Difference]: With dead ends: 685 [2020-12-09 04:54:45,927 INFO L226 Difference]: Without dead ends: 360 [2020-12-09 04:54:45,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 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 04:54:45,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-09 04:54:45,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-09 04:54:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-09 04:54:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2020-12-09 04:54:45,981 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 48 [2020-12-09 04:54:45,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:54:45,981 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2020-12-09 04:54:45,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:54:45,981 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2020-12-09 04:54:45,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-09 04:54:45,985 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:54:45,985 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:54:46,186 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 04:54:46,186 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:54:46,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:54:46,187 INFO L82 PathProgramCache]: Analyzing trace with hash 403471486, now seen corresponding path program 1 times [2020-12-09 04:54:46,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:54:46,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870754060] [2020-12-09 04:54:46,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:54:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:54:46,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 04:54:46,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:54:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:54:46,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:54:46,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870754060] [2020-12-09 04:54:46,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:54:46,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:54:46,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380235877] [2020-12-09 04:54:46,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:54:46,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:54:46,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:54:46,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:54:46,425 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 3 states. [2020-12-09 04:54:48,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:54:48,639 INFO L93 Difference]: Finished difference Result 896 states and 1232 transitions. [2020-12-09 04:54:48,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:54:48,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-09 04:54:48,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:54:48,642 INFO L225 Difference]: With dead ends: 896 [2020-12-09 04:54:48,642 INFO L226 Difference]: Without dead ends: 538 [2020-12-09 04:54:48,643 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 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 04:54:48,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-12-09 04:54:48,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-12-09 04:54:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-09 04:54:48,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 700 transitions. [2020-12-09 04:54:48,660 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 700 transitions. Word has length 117 [2020-12-09 04:54:48,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:54:48,661 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 700 transitions. [2020-12-09 04:54:48,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:54:48,661 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 700 transitions. [2020-12-09 04:54:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-09 04:54:48,666 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:54:48,666 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:54:48,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 04:54:48,868 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:54:48,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:54:48,871 INFO L82 PathProgramCache]: Analyzing trace with hash 631398692, now seen corresponding path program 1 times [2020-12-09 04:54:48,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:54:48,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989955788] [2020-12-09 04:54:48,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:54:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:54:49,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 04:54:49,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:54:49,118 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 04:54:49,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:54:49,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989955788] [2020-12-09 04:54:49,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:54:49,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 04:54:49,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526570914] [2020-12-09 04:54:49,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:54:49,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:54:49,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:54:49,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:54:49,120 INFO L87 Difference]: Start difference. First operand 538 states and 700 transitions. Second operand 3 states. [2020-12-09 04:54:52,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:54:52,419 INFO L93 Difference]: Finished difference Result 1252 states and 1691 transitions. [2020-12-09 04:54:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:54:52,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-12-09 04:54:52,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:54:52,423 INFO L225 Difference]: With dead ends: 1252 [2020-12-09 04:54:52,423 INFO L226 Difference]: Without dead ends: 894 [2020-12-09 04:54:52,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 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 04:54:52,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-12-09 04:54:52,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-12-09 04:54:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-12-09 04:54:52,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1110 transitions. [2020-12-09 04:54:52,439 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1110 transitions. Word has length 153 [2020-12-09 04:54:52,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:54:52,440 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1110 transitions. [2020-12-09 04:54:52,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:54:52,440 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1110 transitions. [2020-12-09 04:54:52,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-09 04:54:52,442 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:54:52,443 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:54:52,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 04:54:52,644 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:54:52,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:54:52,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1631021518, now seen corresponding path program 1 times [2020-12-09 04:54:52,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:54:52,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212528203] [2020-12-09 04:54:52,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:54:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:54:52,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 04:54:52,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:54:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-09 04:54:52,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:54:52,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212528203] [2020-12-09 04:54:52,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:54:52,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 04:54:52,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405755537] [2020-12-09 04:54:52,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 04:54:52,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:54:52,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 04:54:52,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 04:54:52,943 INFO L87 Difference]: Start difference. First operand 894 states and 1110 transitions. Second operand 4 states. [2020-12-09 04:54:55,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:54:55,323 INFO L93 Difference]: Finished difference Result 1281 states and 1659 transitions. [2020-12-09 04:54:55,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 04:54:55,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 197 [2020-12-09 04:54:55,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:54:55,326 INFO L225 Difference]: With dead ends: 1281 [2020-12-09 04:54:55,327 INFO L226 Difference]: Without dead ends: 716 [2020-12-09 04:54:55,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 194 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 04:54:55,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-09 04:54:55,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-12-09 04:54:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-09 04:54:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 881 transitions. [2020-12-09 04:54:55,338 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 881 transitions. Word has length 197 [2020-12-09 04:54:55,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:54:55,338 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 881 transitions. [2020-12-09 04:54:55,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 04:54:55,339 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 881 transitions. [2020-12-09 04:54:55,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-12-09 04:54:55,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:54:55,344 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:54:55,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 04:54:55,545 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:54:55,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:54:55,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1971322968, now seen corresponding path program 1 times [2020-12-09 04:54:55,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:54:55,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360601125] [2020-12-09 04:54:55,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:54:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:54:55,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 04:54:55,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:54:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 137 proven. 131 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 04:54:55,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:54:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 268 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 04:54:56,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360601125] [2020-12-09 04:54:56,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 04:54:56,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 04:54:56,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723502626] [2020-12-09 04:54:56,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:54:56,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:54:56,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:54:56,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 04:54:56,726 INFO L87 Difference]: Start difference. First operand 716 states and 881 transitions. Second operand 3 states. [2020-12-09 04:55:02,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:02,411 INFO L93 Difference]: Finished difference Result 1430 states and 1920 transitions. [2020-12-09 04:55:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:02,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 325 [2020-12-09 04:55:02,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:02,416 INFO L225 Difference]: With dead ends: 1430 [2020-12-09 04:55:02,416 INFO L226 Difference]: Without dead ends: 1072 [2020-12-09 04:55:02,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 648 GetRequests, 644 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 04:55:02,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-12-09 04:55:02,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-12-09 04:55:02,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-12-09 04:55:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1370 transitions. [2020-12-09 04:55:02,432 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1370 transitions. Word has length 325 [2020-12-09 04:55:02,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:02,432 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1370 transitions. [2020-12-09 04:55:02,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:02,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1370 transitions. [2020-12-09 04:55:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-12-09 04:55:02,436 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:02,436 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:55:02,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 04:55:02,638 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:55:02,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:02,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1739171715, now seen corresponding path program 1 times [2020-12-09 04:55:02,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:55:02,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61499207] [2020-12-09 04:55:02,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:55:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:02,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 04:55:02,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:55:03,068 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 137 proven. 135 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 04:55:03,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:55:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 04:55:03,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61499207] [2020-12-09 04:55:03,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 04:55:03,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 04:55:03,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101903020] [2020-12-09 04:55:03,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:03,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:55:03,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:03,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 04:55:03,828 INFO L87 Difference]: Start difference. First operand 1072 states and 1370 transitions. Second operand 3 states. [2020-12-09 04:55:10,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:10,683 INFO L93 Difference]: Finished difference Result 2320 states and 3161 transitions. [2020-12-09 04:55:10,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:10,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2020-12-09 04:55:10,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:10,690 INFO L225 Difference]: With dead ends: 2320 [2020-12-09 04:55:10,690 INFO L226 Difference]: Without dead ends: 1606 [2020-12-09 04:55:10,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 648 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 04:55:10,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2020-12-09 04:55:10,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2020-12-09 04:55:10,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-12-09 04:55:10,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 2030 transitions. [2020-12-09 04:55:10,725 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 2030 transitions. Word has length 327 [2020-12-09 04:55:10,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:10,726 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 2030 transitions. [2020-12-09 04:55:10,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:10,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 2030 transitions. [2020-12-09 04:55:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2020-12-09 04:55:10,729 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:10,730 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:55:10,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 04:55:10,931 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:55:10,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:10,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1901185329, now seen corresponding path program 1 times [2020-12-09 04:55:10,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:55:10,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093671797] [2020-12-09 04:55:10,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:55:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:11,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 04:55:11,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:55:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 555 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-12-09 04:55:11,329 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:55:11,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093671797] [2020-12-09 04:55:11,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 04:55:11,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 04:55:11,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390608073] [2020-12-09 04:55:11,331 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:55:11,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:55:11,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:55:11,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 04:55:11,331 INFO L87 Difference]: Start difference. First operand 1606 states and 2030 transitions. Second operand 3 states. [2020-12-09 04:55:14,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:55:14,451 INFO L93 Difference]: Finished difference Result 3388 states and 4444 transitions. [2020-12-09 04:55:14,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:55:14,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 432 [2020-12-09 04:55:14,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:55:14,462 INFO L225 Difference]: With dead ends: 3388 [2020-12-09 04:55:14,462 INFO L226 Difference]: Without dead ends: 2140 [2020-12-09 04:55:14,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 430 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 04:55:14,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-12-09 04:55:14,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-12-09 04:55:14,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-09 04:55:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2666 transitions. [2020-12-09 04:55:14,510 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2666 transitions. Word has length 432 [2020-12-09 04:55:14,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:55:14,511 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2666 transitions. [2020-12-09 04:55:14,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:55:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2666 transitions. [2020-12-09 04:55:14,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2020-12-09 04:55:14,513 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:55:14,514 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 04:55:14,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 04:55:14,714 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:55:14,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:55:14,715 INFO L82 PathProgramCache]: Analyzing trace with hash -892774872, now seen corresponding path program 1 times [2020-12-09 04:55:14,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:55:14,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1724323994] [2020-12-09 04:55:14,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:55:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:14,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 04:55:14,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:55:15,421 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 373 proven. 277 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-12-09 04:55:15,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:55:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 621 proven. 29 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-12-09 04:55:17,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1724323994] [2020-12-09 04:55:17,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1111953216] [2020-12-09 04:55:17,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:55:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:17,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 04:55:17,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:55:17,796 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 04:55:17,797 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:55:17,797 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:55:17,801 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:55:17,804 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:55:17,805 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:55:17,807 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 04:55:17,809 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:55:17,811 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 04:55:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 430 proven. 46 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 04:55:18,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:55:18,272 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 04:55:18,273 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 04:55:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 452 proven. 24 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 04:55:18,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047887788] [2020-12-09 04:55:18,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:55:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:55:18,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 04:55:18,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:55:19,296 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 332 proven. 144 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 04:55:19,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:55:19,759 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 332 proven. 144 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 04:55:19,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 04:55:19,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 7, 7, 4, 4] total 18 [2020-12-09 04:55:19,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117102069] [2020-12-09 04:55:19,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-09 04:55:19,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:55:19,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-09 04:55:19,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2020-12-09 04:55:19,763 INFO L87 Difference]: Start difference. First operand 2140 states and 2666 transitions. Second operand 18 states. [2020-12-09 04:55:21,800 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 04:55:23,522 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 04:55:34,807 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 04:55:35,493 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 04:55:53,703 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 04:55:57,530 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-12-09 04:55:58,495 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2020-12-09 04:56:24,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:24,945 INFO L93 Difference]: Finished difference Result 5963 states and 7554 transitions. [2020-12-09 04:56:24,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-09 04:56:24,948 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 454 [2020-12-09 04:56:24,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:24,961 INFO L225 Difference]: With dead ends: 5963 [2020-12-09 04:56:24,961 INFO L226 Difference]: Without dead ends: 3922 [2020-12-09 04:56:24,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2735 GetRequests, 2705 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2020-12-09 04:56:24,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3922 states. [2020-12-09 04:56:25,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3922 to 3564. [2020-12-09 04:56:25,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-12-09 04:56:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3861 transitions. [2020-12-09 04:56:25,007 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3861 transitions. Word has length 454 [2020-12-09 04:56:25,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:25,007 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 3861 transitions. [2020-12-09 04:56:25,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-09 04:56:25,007 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3861 transitions. [2020-12-09 04:56:25,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2020-12-09 04:56:25,011 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:25,011 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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 04:56:25,613 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 04:56:25,615 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:56:25,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:25,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1601444265, now seen corresponding path program 1 times [2020-12-09 04:56:25,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:56:25,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [621271273] [2020-12-09 04:56:25,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:56:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:25,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 04:56:25,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:56:28,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 229 proven. 898 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-09 04:56:28,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:56:29,520 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 04:56:29,520 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 04:56:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 859 proven. 268 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-09 04:56:32,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [621271273] [2020-12-09 04:56:32,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1970250417] [2020-12-09 04:56:32,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:56:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:33,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 04:56:33,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:56:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-12-09 04:56:33,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:56:33,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 04:56:33,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 10] total 20 [2020-12-09 04:56:33,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866190857] [2020-12-09 04:56:33,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 04:56:33,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:56:33,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 04:56:33,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-12-09 04:56:33,545 INFO L87 Difference]: Start difference. First operand 3564 states and 3861 transitions. Second operand 3 states. [2020-12-09 04:56:35,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:35,300 INFO L93 Difference]: Finished difference Result 7660 states and 8458 transitions. [2020-12-09 04:56:35,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 04:56:35,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 702 [2020-12-09 04:56:35,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:35,316 INFO L225 Difference]: With dead ends: 7660 [2020-12-09 04:56:35,317 INFO L226 Difference]: Without dead ends: 4810 [2020-12-09 04:56:35,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2103 GetRequests, 2066 SyntacticMatches, 19 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-12-09 04:56:35,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2020-12-09 04:56:35,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 4810. [2020-12-09 04:56:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2020-12-09 04:56:35,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 5277 transitions. [2020-12-09 04:56:35,372 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 5277 transitions. Word has length 702 [2020-12-09 04:56:35,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:35,373 INFO L481 AbstractCegarLoop]: Abstraction has 4810 states and 5277 transitions. [2020-12-09 04:56:35,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 04:56:35,373 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 5277 transitions. [2020-12-09 04:56:35,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2020-12-09 04:56:35,378 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:35,378 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 1] [2020-12-09 04:56:35,779 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 04:56:35,781 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:56:35,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:35,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1745881180, now seen corresponding path program 1 times [2020-12-09 04:56:35,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:56:35,788 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85865319] [2020-12-09 04:56:35,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:56:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:36,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 04:56:36,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:56:38,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 578 proven. 898 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-12-09 04:56:38,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:56:39,689 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 04:56:39,689 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 04:56:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1208 proven. 268 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-12-09 04:56:42,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85865319] [2020-12-09 04:56:42,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [224515929] [2020-12-09 04:56:42,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:56:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:43,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 04:56:43,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:56:43,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2020-12-09 04:56:43,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:56:43,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 04:56:43,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10, 10] total 21 [2020-12-09 04:56:43,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873164093] [2020-12-09 04:56:43,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 04:56:43,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:56:43,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 04:56:43,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-12-09 04:56:43,721 INFO L87 Difference]: Start difference. First operand 4810 states and 5277 transitions. Second operand 4 states. [2020-12-09 04:56:48,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:56:48,316 INFO L93 Difference]: Finished difference Result 10533 states and 11732 transitions. [2020-12-09 04:56:48,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 04:56:48,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 772 [2020-12-09 04:56:48,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:56:48,339 INFO L225 Difference]: With dead ends: 10533 [2020-12-09 04:56:48,339 INFO L226 Difference]: Without dead ends: 6437 [2020-12-09 04:56:48,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2315 GetRequests, 2279 SyntacticMatches, 16 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-12-09 04:56:48,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6437 states. [2020-12-09 04:56:48,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6437 to 6412. [2020-12-09 04:56:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6412 states. [2020-12-09 04:56:48,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6412 states to 6412 states and 7090 transitions. [2020-12-09 04:56:48,421 INFO L78 Accepts]: Start accepts. Automaton has 6412 states and 7090 transitions. Word has length 772 [2020-12-09 04:56:48,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:56:48,421 INFO L481 AbstractCegarLoop]: Abstraction has 6412 states and 7090 transitions. [2020-12-09 04:56:48,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 04:56:48,421 INFO L276 IsEmpty]: Start isEmpty. Operand 6412 states and 7090 transitions. [2020-12-09 04:56:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2020-12-09 04:56:48,426 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 04:56:48,427 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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 04:56:48,828 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 04:56:48,828 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 04:56:48,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 04:56:48,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1686703217, now seen corresponding path program 1 times [2020-12-09 04:56:48,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 04:56:48,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323258830] [2020-12-09 04:56:48,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:56:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:49,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 04:56:49,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:56:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 668 proven. 898 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-12-09 04:56:51,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 04:56:52,735 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 04:56:52,736 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 04:56:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 1298 proven. 268 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-12-09 04:56:56,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323258830] [2020-12-09 04:56:56,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1456194735] [2020-12-09 04:56:56,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/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 04:56:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 04:56:56,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 04:56:56,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 04:56:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2020-12-09 04:56:57,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 04:56:57,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 04:56:57,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10, 10] total 21 [2020-12-09 04:56:57,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827658714] [2020-12-09 04:56:57,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 04:56:57,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 04:56:57,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 04:56:57,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-12-09 04:56:57,162 INFO L87 Difference]: Start difference. First operand 6412 states and 7090 transitions. Second operand 4 states. [2020-12-09 04:57:01,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 04:57:01,199 INFO L93 Difference]: Finished difference Result 13758 states and 15267 transitions. [2020-12-09 04:57:01,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 04:57:01,200 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 790 [2020-12-09 04:57:01,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 04:57:01,200 INFO L225 Difference]: With dead ends: 13758 [2020-12-09 04:57:01,200 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 04:57:01,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2369 GetRequests, 2336 SyntacticMatches, 13 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-12-09 04:57:01,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 04:57:01,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 04:57:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 04:57:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 04:57:01,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 790 [2020-12-09 04:57:01,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 04:57:01,208 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 04:57:01,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 04:57:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 04:57:01,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 04:57:01,609 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 04:57:01,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 04:57:02,733 WARN L197 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-12-09 04:57:03,657 WARN L197 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,660 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-09 04:57:03,661 INFO L262 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 04:57:03,662 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,663 INFO L262 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-09 04:57:03,664 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 04:57:03,665 INFO L262 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,666 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-09 04:57:03,667 INFO L262 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-09 04:57:03,668 INFO L262 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 04:57:03,669 INFO L262 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L258 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~a24~0)) (.cse1 (= (_ bv6 32) ~a21~0))) (or (and .cse0 (or (not (= (_ bv6 32) ~a15~0)) (not (bvslt (_ bv80 32) ~a12~0)))) (and .cse0 (= (_ bv9 32) ~a21~0)) (and (= (_ bv5 32) ~a15~0) (not (bvslt (_ bv4294967253 32) ~a12~0)) .cse1) (and .cse0 (bvsle (bvmul (bvsdiv (bvadd ~a12~0 (_ bv4294438260 32)) (_ bv5 32)) (_ bv5 32)) (_ bv4294967253 32)) .cse1))) [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,670 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,671 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~a24~0)) (.cse1 (= (_ bv6 32) ~a21~0))) (or (and .cse0 (or (not (= (_ bv6 32) ~a15~0)) (not (bvslt (_ bv80 32) ~a12~0)))) (and .cse0 (= (_ bv9 32) ~a21~0)) (and (= (_ bv5 32) ~a15~0) (not (bvslt (_ bv4294967253 32) ~a12~0)) .cse1) (and .cse0 (bvsle (bvmul (bvsdiv (bvadd ~a12~0 (_ bv4294438260 32)) (_ bv5 32)) (_ bv5 32)) (_ bv4294967253 32)) .cse1))) [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-09 04:57:03,672 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 04:57:03,673 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 04:57:03,673 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 04:57:03,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:57:03 BoogieIcfgContainer [2020-12-09 04:57:03,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 04:57:03,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 04:57:03,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 04:57:03,685 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 04:57:03,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:54:42" (3/4) ... [2020-12-09 04:57:03,688 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 04:57:03,703 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 04:57:03,705 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 04:57:03,706 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 04:57:03,707 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 04:57:03,800 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e06cc9d5-b9cd-4a58-96f7-b4e9bd1ac363/bin/utaipan/witness.graphml [2020-12-09 04:57:03,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 04:57:03,800 INFO L168 Benchmark]: Toolchain (without parser) took 144374.93 ms. Allocated memory was 62.9 MB in the beginning and 700.4 MB in the end (delta: 637.5 MB). Free memory was 41.4 MB in the beginning and 626.9 MB in the end (delta: -585.5 MB). Peak memory consumption was 469.8 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:03,801 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 62.9 MB. Free memory was 45.1 MB in the beginning and 45.0 MB in the end (delta: 111.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 04:57:03,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.45 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 41.2 MB in the beginning and 56.3 MB in the end (delta: -15.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:03,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.91 ms. Allocated memory is still 79.7 MB. Free memory was 56.3 MB in the beginning and 50.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:03,801 INFO L168 Benchmark]: Boogie Preprocessor took 52.32 ms. Allocated memory is still 79.7 MB. Free memory was 50.1 MB in the beginning and 44.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:03,801 INFO L168 Benchmark]: RCFGBuilder took 2447.36 ms. Allocated memory is still 79.7 MB. Free memory was 44.5 MB in the beginning and 41.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:03,802 INFO L168 Benchmark]: TraceAbstraction took 141232.13 ms. Allocated memory was 79.7 MB in the beginning and 700.4 MB in the end (delta: 620.8 MB). Free memory was 41.2 MB in the beginning and 228.6 MB in the end (delta: -187.4 MB). Peak memory consumption was 431.8 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:03,802 INFO L168 Benchmark]: Witness Printer took 114.68 ms. Allocated memory is still 700.4 MB. Free memory was 228.6 MB in the beginning and 626.9 MB in the end (delta: -398.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-09 04:57:03,804 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 62.9 MB. Free memory was 45.1 MB in the beginning and 45.0 MB in the end (delta: 111.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 462.45 ms. Allocated memory was 62.9 MB in the beginning and 79.7 MB in the end (delta: 16.8 MB). Free memory was 41.2 MB in the beginning and 56.3 MB in the end (delta: -15.1 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.91 ms. Allocated memory is still 79.7 MB. Free memory was 56.3 MB in the beginning and 50.1 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.32 ms. Allocated memory is still 79.7 MB. Free memory was 50.1 MB in the beginning and 44.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2447.36 ms. Allocated memory is still 79.7 MB. Free memory was 44.5 MB in the beginning and 41.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 141232.13 ms. Allocated memory was 79.7 MB in the beginning and 700.4 MB in the end (delta: 620.8 MB). Free memory was 41.2 MB in the beginning and 228.6 MB in the end (delta: -187.4 MB). Peak memory consumption was 431.8 MB. Max. memory is 16.1 GB. * Witness Printer took 114.68 ms. Allocated memory is still 700.4 MB. Free memory was 228.6 MB in the beginning and 626.9 MB in the end (delta: -398.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((1bv32 == a24 && (!(6bv32 == a15) || !~bvslt32(80bv32, a12))) || (1bv32 == a24 && 9bv32 == a21)) || ((5bv32 == a15 && !~bvslt32(4294967253bv32, a12)) && 6bv32 == a21)) || ((1bv32 == a24 && ~bvsle32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294438260bv32), 5bv32), 5bv32), 4294967253bv32)) && 6bv32 == a21) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((1bv32 == a24 && (!(6bv32 == a15) || !~bvslt32(80bv32, a12))) || (1bv32 == a24 && 9bv32 == a21)) || ((5bv32 == a15 && !~bvslt32(4294967253bv32, a12)) && 6bv32 == a21)) || ((1bv32 == a24 && ~bvsle32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294438260bv32), 5bv32), 5bv32), 4294967253bv32)) && 6bv32 == a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 139.1s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 102.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1135 SDtfs, 3240 SDslu, 171 SDs, 0 SdLazy, 11762 SolverSat, 1743 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 90.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11764 GetRequests, 11614 SyntacticMatches, 53 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6412occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 383 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 113 NumberOfFragments, 97 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3592 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 198 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 29.9s InterpolantComputationTime, 7489 NumberOfCodeBlocks, 7489 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 11743 ConstructedInterpolants, 0 QuantifiedInterpolants, 86474716 SizeOfPredicates, 52 NumberOfNonLiveVariables, 8605 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 24 InterpolantComputations, 10 PerfectInterpolantSequences, 17384/21812 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...