./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.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_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 9a2e0f33ac5b7c0fe5cd7ffdd1eac9c075d8b0ce ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 9a2e0f33ac5b7c0fe5cd7ffdd1eac9c075d8b0ce ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:35:11,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:35:11,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:35:11,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:35:11,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:35:11,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:35:11,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:35:11,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:35:11,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:35:11,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:35:11,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:35:11,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:35:11,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:35:11,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:35:11,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:35:11,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:35:11,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:35:11,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:35:11,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:35:11,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:35:11,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:35:11,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:35:11,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:35:11,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:35:11,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:35:11,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:35:11,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:35:11,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:35:11,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:35:11,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:35:11,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:35:11,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:35:11,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:35:11,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:35:11,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:35:11,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:35:11,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:35:11,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:35:11,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:35:11,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:35:11,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:35:11,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 08:35:11,122 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:35:11,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:35:11,123 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:35:11,123 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:35:11,124 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:35:11,124 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:35:11,124 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 08:35:11,124 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:35:11,124 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:35:11,124 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 08:35:11,125 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 08:35:11,125 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:35:11,125 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 08:35:11,125 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 08:35:11,125 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 08:35:11,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:35:11,126 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:35:11,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 08:35:11,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:35:11,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:35:11,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:35:11,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:35:11,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:35:11,127 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:35:11,128 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:35:11,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:35:11,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:35:11,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:35:11,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:35:11,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:35:11,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:35:11,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:35:11,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:35:11,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:35:11,129 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 08:35:11,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 08:35:11,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:35:11,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:35:11,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:35:11,130 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_6546b81a-ef10-4922-adf1-34adbeca745b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a2e0f33ac5b7c0fe5cd7ffdd1eac9c075d8b0ce [2020-12-09 08:35:11,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:35:11,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:35:11,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:35:11,339 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:35:11,340 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:35:11,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2020-12-09 08:35:11,382 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/data/792c3b62a/f1b62b3de27a40229eca31523c729eef/FLAG92e3b8da1 [2020-12-09 08:35:11,849 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:35:11,850 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2020-12-09 08:35:11,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/data/792c3b62a/f1b62b3de27a40229eca31523c729eef/FLAG92e3b8da1 [2020-12-09 08:35:12,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/data/792c3b62a/f1b62b3de27a40229eca31523c729eef [2020-12-09 08:35:12,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:35:12,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:35:12,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:35:12,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:35:12,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:35:12,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f223a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12, skipping insertion in model container [2020-12-09 08:35:12,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:35:12,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:35:12,564 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_6546b81a-ef10-4922-adf1-34adbeca745b/sv-benchmarks/c/eca-rers2012/Problem14_label05.c[6428,6441] [2020-12-09 08:35:12,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:35:12,687 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:35:12,707 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_6546b81a-ef10-4922-adf1-34adbeca745b/sv-benchmarks/c/eca-rers2012/Problem14_label05.c[6428,6441] [2020-12-09 08:35:12,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:35:12,784 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:35:12,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12 WrapperNode [2020-12-09 08:35:12,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:35:12,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:35:12,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:35:12,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:35:12,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:35:12,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:35:12,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:35:12,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:35:12,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (1/1) ... [2020-12-09 08:35:12,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:35:12,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:35:12,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:35:12,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:35:12,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:35:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 08:35:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:35:13,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:35:13,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:35:25,604 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:35:25,604 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 08:35:25,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:35:25 BoogieIcfgContainer [2020-12-09 08:35:25,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:35:25,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:35:25,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:35:25,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:35:25,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:35:12" (1/3) ... [2020-12-09 08:35:25,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5903f732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:35:25, skipping insertion in model container [2020-12-09 08:35:25,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:12" (2/3) ... [2020-12-09 08:35:25,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5903f732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:35:25, skipping insertion in model container [2020-12-09 08:35:25,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:35:25" (3/3) ... [2020-12-09 08:35:25,611 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label05.c [2020-12-09 08:35:25,621 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:35:25,624 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:35:25,630 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:35:25,645 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:35:25,645 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:35:25,646 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:35:25,646 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:35:25,646 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:35:25,646 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:35:25,646 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:35:25,646 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:35:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 08:35:25,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 08:35:25,657 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:35:25,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 08:35:25,657 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:35:25,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:35:25,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1037753935, now seen corresponding path program 1 times [2020-12-09 08:35:25,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:35:25,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664968855] [2020-12-09 08:35:25,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:35:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:35:25,808 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 08:35:25,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664968855] [2020-12-09 08:35:25,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:35:25,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:35:25,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114459082] [2020-12-09 08:35:25,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 08:35:25,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 08:35:25,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 08:35:25,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 08:35:25,823 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2020-12-09 08:35:25,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:35:25,902 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 08:35:25,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:35:25,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-09 08:35:25,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:35:25,908 INFO L225 Difference]: With dead ends: 23 [2020-12-09 08:35:25,908 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 08:35:25,910 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:35:25,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 08:35:25,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 08:35:25,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 08:35:25,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 08:35:25,931 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 08:35:25,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:35:25,931 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 08:35:25,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 08:35:25,931 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 08:35:25,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 08:35:25,931 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:35:25,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 08:35:25,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 08:35:25,932 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:35:25,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:35:25,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1042447567, now seen corresponding path program 1 times [2020-12-09 08:35:25,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 08:35:25,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133143440] [2020-12-09 08:35:25,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 08:35:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:35:26,275 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 08:35:26,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133143440] [2020-12-09 08:35:26,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860798238] [2020-12-09 08:35:26,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:35:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:35:26,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:35:26,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:35:26,551 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 83 [2020-12-09 08:35:26,616 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,618 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,620 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,621 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,622 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,624 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,625 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,629 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,634 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,637 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,640 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,642 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,648 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,650 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,651 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,652 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,653 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,655 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,659 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:35:26,661 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,664 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,665 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,666 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,672 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,676 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,678 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:35:26,680 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,681 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,682 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,683 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,684 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,687 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,689 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,692 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:35:26,694 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,695 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,698 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,702 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,703 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:35:26,704 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,705 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,708 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,712 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:35:26,714 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,715 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,718 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,721 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,723 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,724 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,725 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,727 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,728 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,728 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,729 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,732 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,734 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,737 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,738 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:35:26,739 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,742 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,743 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,747 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,748 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:35:26,749 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,750 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,751 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:35:26,752 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,755 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:35:26,757 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,760 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,761 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,762 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,765 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:35:26,765 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,769 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:35:26,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:35:26,770 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 08:35:26,771 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,771 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,772 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,773 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,775 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 08:35:26,777 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,779 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:35:26,780 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,780 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,783 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,786 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 08:35:26,786 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 08:35:26,787 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,788 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,790 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 08:35:26,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 08:35:26,794 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 08:35:26,794 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 08:35:26,797 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 08:35:26,804 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 08:35:26,804 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 08:35:26,805 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:35:26,805 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:35:26,806 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:35:26,806 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:35:26,806 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:35:26,806 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:35:26,807 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-09 08:35:26,807 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,808 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 2, 4, 1] term [2020-12-09 08:35:26,808 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,809 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:35:26,809 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,810 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:35:26,810 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:35:26,810 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 08:35:26,810 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:35:26,811 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 08:35:26,812 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,814 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:35:26,815 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:26,816 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,816 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,818 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,819 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,821 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,822 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:35:26,822 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,824 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,825 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,826 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,828 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,828 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,830 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,833 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,833 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,836 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,836 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,838 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,840 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,841 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,841 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,843 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,844 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,845 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,848 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,849 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 08:35:26,850 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,850 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,851 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,853 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,854 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 08:35:26,855 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,855 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,857 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:26,858 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,860 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,861 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,864 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 08:35:26,865 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,865 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,867 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:26,867 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,868 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,869 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,871 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,873 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,874 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,874 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,877 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:35:26,877 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,878 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,878 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,880 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,882 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,884 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 08:35:26,885 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,886 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:26,887 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,887 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,889 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,890 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,891 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:35:26,892 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,893 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,894 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,895 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,897 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,897 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,899 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,901 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,902 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,903 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,904 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,905 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,908 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,909 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,910 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 08:35:26,911 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,911 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,912 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:26,913 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,913 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,915 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,916 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,919 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,919 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,920 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,923 INFO L639 QuantifierPusher]: Distributing 18 conjuncts over 2 disjuncts [2020-12-09 08:35:26,923 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 08:35:26,924 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,925 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,926 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:35:26,928 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 08:35:26,928 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:26,929 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,930 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:26,930 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,932 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,932 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,934 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,935 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,938 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 08:35:26,938 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 08:35:26,939 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,940 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,941 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:35:26,943 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 08:35:26,943 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:26,944 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,945 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:26,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,947 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,947 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,949 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,950 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,952 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,954 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:26,955 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 08:35:26,955 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:26,956 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:35:26,957 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,959 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:26,959 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,961 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,963 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,963 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,965 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,967 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:35:26,968 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,969 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,970 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,972 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,973 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,975 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,975 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,977 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,978 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,979 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,980 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,981 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:26,981 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:26,982 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:35:26,984 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:26,985 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:26,986 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 08:35:26,988 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:26,988 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,990 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:26,991 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,992 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,994 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 3 disjuncts [2020-12-09 08:35:26,994 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 08:35:26,995 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:26,996 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:26,997 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:26,998 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 08:35:26,998 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:26,999 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,000 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:27,001 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,002 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:27,003 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,005 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:27,005 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,007 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,008 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:27,009 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,011 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 08:35:27,011 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,012 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:27,013 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,015 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:27,016 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,017 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 08:35:27,018 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,018 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:35:27,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,021 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:27,022 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,023 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:27,023 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,025 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:27,026 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,028 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:27,029 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 08:35:27,030 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,031 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:27,032 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,033 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:27,035 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:27,037 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:27,037 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,038 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:27,040 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:27,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,042 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,043 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 08:35:27,043 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,044 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:35:27,046 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:27,046 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,047 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:35:27,049 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:27,050 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,052 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 08:35:27,052 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,053 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:35:27,055 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:27,055 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,057 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 08:35:27,058 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 08:35:27,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,072 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:35:27,074 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:27,074 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,076 INFO L639 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-12-09 08:35:27,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,078 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 08:35:27,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,080 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,080 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,081 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,082 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:27,083 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,084 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,085 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 08:35:27,085 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,086 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:27,087 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,088 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,088 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,090 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,091 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,091 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,093 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,094 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,095 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,096 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:27,097 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,098 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,100 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,101 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:35:27,102 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,103 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,104 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 08:35:27,105 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,106 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 08:35:27,106 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,108 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,109 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,111 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,112 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:35:27,113 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:35:27,126 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 08:35:27,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:35:27,481 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 2659 DAG size of output: 2499 [2020-12-09 08:35:27,501 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 08:35:27,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1301346394] [2020-12-09 08:35:27,517 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 08:35:27,517 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 08:35:27,520 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 08:35:27,524 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 08:35:27,524 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 08:35:27,636 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2020-12-09 08:35:29,134 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2020-12-09 08:35:31,247 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 2462 DAG size of output: 2321 [2020-12-09 08:35:47,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 08:35:47,425 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 08:35:47,430 INFO L168 Benchmark]: Toolchain (without parser) took 35058.99 ms. Allocated memory was 96.5 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 54.3 MB in the beginning and 888.6 MB in the end (delta: -834.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2020-12-09 08:35:47,431 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 96.5 MB. Free memory was 73.3 MB in the beginning and 73.2 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:35:47,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.44 ms. Allocated memory is still 96.5 MB. Free memory was 54.1 MB in the beginning and 47.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-12-09 08:35:47,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.45 ms. Allocated memory is still 96.5 MB. Free memory was 47.9 MB in the beginning and 68.0 MB in the end (delta: -20.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-12-09 08:35:47,434 INFO L168 Benchmark]: Boogie Preprocessor took 73.72 ms. Allocated memory is still 96.5 MB. Free memory was 68.0 MB in the beginning and 62.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:35:47,435 INFO L168 Benchmark]: RCFGBuilder took 12664.65 ms. Allocated memory was 96.5 MB in the beginning and 308.3 MB in the end (delta: 211.8 MB). Free memory was 61.6 MB in the beginning and 182.3 MB in the end (delta: -120.7 MB). Peak memory consumption was 225.8 MB. Max. memory is 16.1 GB. [2020-12-09 08:35:47,437 INFO L168 Benchmark]: TraceAbstraction took 21821.91 ms. Allocated memory was 308.3 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 181.2 MB in the beginning and 888.6 MB in the end (delta: -707.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2020-12-09 08:35:47,444 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 96.5 MB. Free memory was 73.3 MB in the beginning and 73.2 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 412.44 ms. Allocated memory is still 96.5 MB. Free memory was 54.1 MB in the beginning and 47.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.45 ms. Allocated memory is still 96.5 MB. Free memory was 47.9 MB in the beginning and 68.0 MB in the end (delta: -20.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.72 ms. Allocated memory is still 96.5 MB. Free memory was 68.0 MB in the beginning and 62.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12664.65 ms. Allocated memory was 96.5 MB in the beginning and 308.3 MB in the end (delta: 211.8 MB). Free memory was 61.6 MB in the beginning and 182.3 MB in the end (delta: -120.7 MB). Peak memory consumption was 225.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 21821.91 ms. Allocated memory was 308.3 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 181.2 MB in the beginning and 888.6 MB in the end (delta: -707.4 MB). Peak memory consumption was 1.2 GB. 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 08:35:49,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 08:35:49,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 08:35:49,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 08:35:49,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 08:35:49,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 08:35:49,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 08:35:49,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 08:35:49,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 08:35:49,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 08:35:49,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 08:35:49,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 08:35:49,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 08:35:49,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 08:35:49,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 08:35:49,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 08:35:49,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 08:35:49,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 08:35:49,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 08:35:49,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 08:35:49,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 08:35:49,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 08:35:49,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 08:35:49,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 08:35:49,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 08:35:49,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 08:35:49,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 08:35:49,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 08:35:49,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 08:35:49,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 08:35:49,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 08:35:49,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 08:35:49,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 08:35:49,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 08:35:49,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 08:35:49,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 08:35:49,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 08:35:49,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 08:35:49,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 08:35:49,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 08:35:49,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 08:35:49,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 08:35:49,148 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 08:35:49,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 08:35:49,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 08:35:49,149 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 08:35:49,149 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 08:35:49,149 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 08:35:49,149 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 08:35:49,149 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 08:35:49,150 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 08:35:49,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 08:35:49,150 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 08:35:49,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 08:35:49,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 08:35:49,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 08:35:49,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 08:35:49,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 08:35:49,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 08:35:49,151 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 08:35:49,152 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 08:35:49,152 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 08:35:49,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 08:35:49,152 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 08:35:49,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 08:35:49,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 08:35:49,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 08:35:49,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 08:35:49,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 08:35:49,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 08:35:49,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 08:35:49,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 08:35:49,153 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 08:35:49,153 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 08:35:49,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 08:35:49,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 08:35:49,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 08:35:49,154 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_6546b81a-ef10-4922-adf1-34adbeca745b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a2e0f33ac5b7c0fe5cd7ffdd1eac9c075d8b0ce [2020-12-09 08:35:49,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 08:35:49,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 08:35:49,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 08:35:49,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 08:35:49,416 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 08:35:49,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2020-12-09 08:35:49,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/data/0a4350a53/6fa1a412d75c4c22aa9f3b210ed5a419/FLAGbe0ce4a71 [2020-12-09 08:35:49,896 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 08:35:49,896 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/sv-benchmarks/c/eca-rers2012/Problem14_label05.c [2020-12-09 08:35:49,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/data/0a4350a53/6fa1a412d75c4c22aa9f3b210ed5a419/FLAGbe0ce4a71 [2020-12-09 08:35:49,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/data/0a4350a53/6fa1a412d75c4c22aa9f3b210ed5a419 [2020-12-09 08:35:49,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 08:35:49,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 08:35:49,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 08:35:49,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 08:35:49,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 08:35:49,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:35:49" (1/1) ... [2020-12-09 08:35:49,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146355d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:49, skipping insertion in model container [2020-12-09 08:35:49,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:35:49" (1/1) ... [2020-12-09 08:35:49,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 08:35:49,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 08:35:50,100 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_6546b81a-ef10-4922-adf1-34adbeca745b/sv-benchmarks/c/eca-rers2012/Problem14_label05.c[6428,6441] [2020-12-09 08:35:50,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:35:50,286 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 08:35:50,316 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_6546b81a-ef10-4922-adf1-34adbeca745b/sv-benchmarks/c/eca-rers2012/Problem14_label05.c[6428,6441] [2020-12-09 08:35:50,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 08:35:50,432 INFO L208 MainTranslator]: Completed translation [2020-12-09 08:35:50,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50 WrapperNode [2020-12-09 08:35:50,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 08:35:50,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 08:35:50,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 08:35:50,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 08:35:50,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (1/1) ... [2020-12-09 08:35:50,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (1/1) ... [2020-12-09 08:35:50,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 08:35:50,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 08:35:50,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 08:35:50,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 08:35:50,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (1/1) ... [2020-12-09 08:35:50,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (1/1) ... [2020-12-09 08:35:50,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (1/1) ... [2020-12-09 08:35:50,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (1/1) ... [2020-12-09 08:35:50,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (1/1) ... [2020-12-09 08:35:50,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (1/1) ... [2020-12-09 08:35:50,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (1/1) ... [2020-12-09 08:35:50,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 08:35:50,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 08:35:50,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 08:35:50,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 08:35:50,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:35:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 08:35:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 08:35:50,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 08:35:50,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 08:35:53,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 08:35:53,001 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 08:35:53,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:35:53 BoogieIcfgContainer [2020-12-09 08:35:53,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 08:35:53,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 08:35:53,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 08:35:53,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 08:35:53,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:35:49" (1/3) ... [2020-12-09 08:35:53,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e1e1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:35:53, skipping insertion in model container [2020-12-09 08:35:53,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:35:50" (2/3) ... [2020-12-09 08:35:53,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e1e1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:35:53, skipping insertion in model container [2020-12-09 08:35:53,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:35:53" (3/3) ... [2020-12-09 08:35:53,008 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label05.c [2020-12-09 08:35:53,017 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 08:35:53,019 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 08:35:53,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 08:35:53,044 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 08:35:53,044 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 08:35:53,044 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 08:35:53,044 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 08:35:53,044 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 08:35:53,044 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 08:35:53,044 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 08:35:53,044 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 08:35:53,057 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-09 08:35:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-09 08:35:53,063 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:35:53,063 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:35:53,064 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:35:53,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:35:53,068 INFO L82 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2020-12-09 08:35:53,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:35:53,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [460106050] [2020-12-09 08:35:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:35:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:35:53,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:35:53,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:35:53,285 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 08:35:53,285 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:35:53,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [460106050] [2020-12-09 08:35:53,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:35:53,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:35:53,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20809754] [2020-12-09 08:35:53,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:35:53,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:35:53,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:35:53,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:35:53,300 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-09 08:35:56,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:35:56,277 INFO L93 Difference]: Finished difference Result 685 states and 1216 transitions. [2020-12-09 08:35:56,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:35:56,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-09 08:35:56,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:35:56,288 INFO L225 Difference]: With dead ends: 685 [2020-12-09 08:35:56,288 INFO L226 Difference]: Without dead ends: 360 [2020-12-09 08:35:56,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 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 08:35:56,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-09 08:35:56,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-09 08:35:56,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-09 08:35:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2020-12-09 08:35:56,333 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 63 [2020-12-09 08:35:56,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:35:56,334 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2020-12-09 08:35:56,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:35:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2020-12-09 08:35:56,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-12-09 08:35:56,338 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:35:56,338 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:35:56,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 08:35:56,539 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:35:56,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:35:56,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1944938694, now seen corresponding path program 1 times [2020-12-09 08:35:56,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:35:56,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211532503] [2020-12-09 08:35:56,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:35:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:35:56,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:35:56,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:35:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:35:56,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:35:56,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211532503] [2020-12-09 08:35:56,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:35:56,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:35:56,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151781096] [2020-12-09 08:35:56,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:35:56,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:35:56,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:35:56,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:35:56,779 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 3 states. [2020-12-09 08:35:59,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:35:59,104 INFO L93 Difference]: Finished difference Result 896 states and 1232 transitions. [2020-12-09 08:35:59,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:35:59,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2020-12-09 08:35:59,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:35:59,109 INFO L225 Difference]: With dead ends: 896 [2020-12-09 08:35:59,109 INFO L226 Difference]: Without dead ends: 538 [2020-12-09 08:35:59,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 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 08:35:59,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-12-09 08:35:59,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-12-09 08:35:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-09 08:35:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 700 transitions. [2020-12-09 08:35:59,130 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 700 transitions. Word has length 132 [2020-12-09 08:35:59,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:35:59,130 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 700 transitions. [2020-12-09 08:35:59,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:35:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 700 transitions. [2020-12-09 08:35:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-09 08:35:59,133 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:35:59,134 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, 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] [2020-12-09 08:35:59,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 08:35:59,336 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:35:59,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:35:59,338 INFO L82 PathProgramCache]: Analyzing trace with hash -372992288, now seen corresponding path program 1 times [2020-12-09 08:35:59,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:35:59,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666483016] [2020-12-09 08:35:59,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:35:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:35:59,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:35:59,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:35:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 08:35:59,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:35:59,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666483016] [2020-12-09 08:35:59,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:35:59,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:35:59,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220351338] [2020-12-09 08:35:59,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:35:59,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:35:59,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:35:59,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:35:59,607 INFO L87 Difference]: Start difference. First operand 538 states and 700 transitions. Second operand 3 states. [2020-12-09 08:36:02,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:36:02,892 INFO L93 Difference]: Finished difference Result 1252 states and 1691 transitions. [2020-12-09 08:36:02,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:36:02,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2020-12-09 08:36:02,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:36:02,897 INFO L225 Difference]: With dead ends: 1252 [2020-12-09 08:36:02,897 INFO L226 Difference]: Without dead ends: 894 [2020-12-09 08:36:02,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 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 08:36:02,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-12-09 08:36:02,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-12-09 08:36:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-12-09 08:36:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1111 transitions. [2020-12-09 08:36:02,916 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1111 transitions. Word has length 168 [2020-12-09 08:36:02,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:36:02,916 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1111 transitions. [2020-12-09 08:36:02,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:36:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1111 transitions. [2020-12-09 08:36:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-12-09 08:36:02,920 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:36:02,920 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:36:03,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 08:36:03,122 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:36:03,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:36:03,124 INFO L82 PathProgramCache]: Analyzing trace with hash -526755629, now seen corresponding path program 1 times [2020-12-09 08:36:03,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:36:03,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1700102819] [2020-12-09 08:36:03,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:36:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:03,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 08:36:03,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:36:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-12-09 08:36:03,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:36:03,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1700102819] [2020-12-09 08:36:03,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:36:03,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:36:03,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932719245] [2020-12-09 08:36:03,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 08:36:03,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:36:03,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 08:36:03,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 08:36:03,491 INFO L87 Difference]: Start difference. First operand 894 states and 1111 transitions. Second operand 4 states. [2020-12-09 08:36:05,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:36:05,787 INFO L93 Difference]: Finished difference Result 1281 states and 1661 transitions. [2020-12-09 08:36:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 08:36:05,787 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 212 [2020-12-09 08:36:05,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:36:05,790 INFO L225 Difference]: With dead ends: 1281 [2020-12-09 08:36:05,790 INFO L226 Difference]: Without dead ends: 716 [2020-12-09 08:36:05,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 209 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 08:36:05,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-09 08:36:05,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-12-09 08:36:05,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-09 08:36:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 882 transitions. [2020-12-09 08:36:05,803 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 882 transitions. Word has length 212 [2020-12-09 08:36:05,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:36:05,803 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 882 transitions. [2020-12-09 08:36:05,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 08:36:05,803 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 882 transitions. [2020-12-09 08:36:05,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-12-09 08:36:05,805 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:36:05,806 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, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:36:06,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 08:36:06,008 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:36:06,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:36:06,009 INFO L82 PathProgramCache]: Analyzing trace with hash -695828212, now seen corresponding path program 1 times [2020-12-09 08:36:06,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:36:06,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249115049] [2020-12-09 08:36:06,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:36:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:06,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:36:06,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:36:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-12-09 08:36:06,398 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:36:06,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249115049] [2020-12-09 08:36:06,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:36:06,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 08:36:06,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323591855] [2020-12-09 08:36:06,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:36:06,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:36:06,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:36:06,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:36:06,400 INFO L87 Difference]: Start difference. First operand 716 states and 882 transitions. Second operand 3 states. [2020-12-09 08:36:09,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:36:09,361 INFO L93 Difference]: Finished difference Result 1430 states and 1923 transitions. [2020-12-09 08:36:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:36:09,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-12-09 08:36:09,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:36:09,366 INFO L225 Difference]: With dead ends: 1430 [2020-12-09 08:36:09,366 INFO L226 Difference]: Without dead ends: 1072 [2020-12-09 08:36:09,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 272 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 08:36:09,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-12-09 08:36:09,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-12-09 08:36:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-12-09 08:36:09,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1322 transitions. [2020-12-09 08:36:09,381 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1322 transitions. Word has length 274 [2020-12-09 08:36:09,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:36:09,381 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1322 transitions. [2020-12-09 08:36:09,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:36:09,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1322 transitions. [2020-12-09 08:36:09,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-12-09 08:36:09,385 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:36:09,386 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:36:09,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 08:36:09,586 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:36:09,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:36:09,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1442741311, now seen corresponding path program 1 times [2020-12-09 08:36:09,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:36:09,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585062665] [2020-12-09 08:36:09,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:36:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:09,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:36:09,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:36:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 182 proven. 135 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 08:36:09,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:36:10,725 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 08:36:10,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585062665] [2020-12-09 08:36:10,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 08:36:10,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 08:36:10,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119875929] [2020-12-09 08:36:10,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:36:10,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:36:10,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:36:10,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:36:10,727 INFO L87 Difference]: Start difference. First operand 1072 states and 1322 transitions. Second operand 3 states. [2020-12-09 08:36:16,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:36:16,831 INFO L93 Difference]: Finished difference Result 2142 states and 2814 transitions. [2020-12-09 08:36:16,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:36:16,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2020-12-09 08:36:16,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:36:16,837 INFO L225 Difference]: With dead ends: 2142 [2020-12-09 08:36:16,837 INFO L226 Difference]: Without dead ends: 1428 [2020-12-09 08:36:16,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 682 GetRequests, 678 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 08:36:16,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-12-09 08:36:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2020-12-09 08:36:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-12-09 08:36:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1769 transitions. [2020-12-09 08:36:16,861 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1769 transitions. Word has length 342 [2020-12-09 08:36:16,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:36:16,861 INFO L481 AbstractCegarLoop]: Abstraction has 1428 states and 1769 transitions. [2020-12-09 08:36:16,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:36:16,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1769 transitions. [2020-12-09 08:36:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-12-09 08:36:16,863 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:36:16,863 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, 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, 2, 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 08:36:17,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 08:36:17,064 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:36:17,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:36:17,064 INFO L82 PathProgramCache]: Analyzing trace with hash -2058443041, now seen corresponding path program 1 times [2020-12-09 08:36:17,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:36:17,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61264844] [2020-12-09 08:36:17,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:36:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:17,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 08:36:17,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:36:17,469 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 182 proven. 159 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 08:36:17,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:36:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 08:36:18,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61264844] [2020-12-09 08:36:18,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 08:36:18,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 08:36:18,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383007255] [2020-12-09 08:36:18,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:36:18,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:36:18,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:36:18,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:36:18,222 INFO L87 Difference]: Start difference. First operand 1428 states and 1769 transitions. Second operand 3 states. [2020-12-09 08:36:24,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:36:24,297 INFO L93 Difference]: Finished difference Result 3210 states and 4156 transitions. [2020-12-09 08:36:24,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:36:24,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2020-12-09 08:36:24,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:36:24,308 INFO L225 Difference]: With dead ends: 3210 [2020-12-09 08:36:24,308 INFO L226 Difference]: Without dead ends: 2140 [2020-12-09 08:36:24,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 706 GetRequests, 702 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:36:24,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-12-09 08:36:24,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-12-09 08:36:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-09 08:36:24,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2670 transitions. [2020-12-09 08:36:24,336 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2670 transitions. Word has length 354 [2020-12-09 08:36:24,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:36:24,336 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2670 transitions. [2020-12-09 08:36:24,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:36:24,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2670 transitions. [2020-12-09 08:36:24,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-12-09 08:36:24,338 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:36:24,338 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:36:24,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 08:36:24,539 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:36:24,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:36:24,539 INFO L82 PathProgramCache]: Analyzing trace with hash 100338439, now seen corresponding path program 1 times [2020-12-09 08:36:24,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:36:24,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145800249] [2020-12-09 08:36:24,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:36:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:24,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:36:24,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:36:25,271 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 96 proven. 277 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 08:36:25,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:36:30,897 WARN L197 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 18 DAG size of output: 3 [2020-12-09 08:36:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 344 proven. 29 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 08:36:31,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145800249] [2020-12-09 08:36:31,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1822257846] [2020-12-09 08:36:31,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:36:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:31,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:36:31,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:36:31,749 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 08:36:31,750 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:36:31,752 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:36:31,757 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:36:31,757 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:36:31,760 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:36:31,763 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:36:31,764 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:36:31,767 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:36:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 08:36:31,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:36:31,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:36:31,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4] total 13 [2020-12-09 08:36:31,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561949127] [2020-12-09 08:36:31,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 08:36:31,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:36:31,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 08:36:31,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-12-09 08:36:31,953 INFO L87 Difference]: Start difference. First operand 2140 states and 2670 transitions. Second operand 7 states. [2020-12-09 08:36:40,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:36:40,333 INFO L93 Difference]: Finished difference Result 5722 states and 7405 transitions. [2020-12-09 08:36:40,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 08:36:40,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 370 [2020-12-09 08:36:40,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:36:40,346 INFO L225 Difference]: With dead ends: 5722 [2020-12-09 08:36:40,346 INFO L226 Difference]: Without dead ends: 3940 [2020-12-09 08:36:40,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1109 GetRequests, 1097 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-12-09 08:36:40,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2020-12-09 08:36:40,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3386. [2020-12-09 08:36:40,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-12-09 08:36:40,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4262 transitions. [2020-12-09 08:36:40,392 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4262 transitions. Word has length 370 [2020-12-09 08:36:40,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:36:40,392 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 4262 transitions. [2020-12-09 08:36:40,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 08:36:40,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4262 transitions. [2020-12-09 08:36:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-12-09 08:36:40,396 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:36:40,396 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-09 08:36:40,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt [2020-12-09 08:36:40,798 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:36:40,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:36:40,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1108975702, now seen corresponding path program 1 times [2020-12-09 08:36:40,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:36:40,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168002833] [2020-12-09 08:36:40,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-12-09 08:36:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:41,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:36:41,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:36:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 431 proven. 277 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-12-09 08:36:41,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:36:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 679 proven. 29 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-12-09 08:36:43,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168002833] [2020-12-09 08:36:43,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1804015192] [2020-12-09 08:36:43,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:36:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:43,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:36:43,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:36:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 538 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-12-09 08:36:43,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:36:43,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:36:43,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4] total 11 [2020-12-09 08:36:43,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022133037] [2020-12-09 08:36:43,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 08:36:43,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:36:43,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 08:36:43,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-09 08:36:43,945 INFO L87 Difference]: Start difference. First operand 3386 states and 4262 transitions. Second operand 6 states. [2020-12-09 08:36:47,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:36:47,371 INFO L93 Difference]: Finished difference Result 6538 states and 8287 transitions. [2020-12-09 08:36:47,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 08:36:47,371 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 531 [2020-12-09 08:36:47,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:36:47,382 INFO L225 Difference]: With dead ends: 6538 [2020-12-09 08:36:47,382 INFO L226 Difference]: Without dead ends: 3386 [2020-12-09 08:36:47,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1590 GetRequests, 1580 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-12-09 08:36:47,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2020-12-09 08:36:47,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3386. [2020-12-09 08:36:47,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-12-09 08:36:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3720 transitions. [2020-12-09 08:36:47,424 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3720 transitions. Word has length 531 [2020-12-09 08:36:47,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:36:47,425 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3720 transitions. [2020-12-09 08:36:47,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 08:36:47,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3720 transitions. [2020-12-09 08:36:47,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2020-12-09 08:36:47,430 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:36:47,430 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:36:47,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3,12 cvc4 --incremental --print-success --lang smt [2020-12-09 08:36:47,833 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:36:47,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:36:47,835 INFO L82 PathProgramCache]: Analyzing trace with hash -12181748, now seen corresponding path program 1 times [2020-12-09 08:36:47,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:36:47,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835689731] [2020-12-09 08:36:47,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-12-09 08:36:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:48,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-09 08:36:48,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:36:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 1074 proven. 420 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2020-12-09 08:36:49,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:36:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1928 backedges. 1494 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2020-12-09 08:36:50,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835689731] [2020-12-09 08:36:50,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 08:36:50,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 08:36:50,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301676819] [2020-12-09 08:36:50,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:36:50,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:36:50,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:36:50,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:36:50,745 INFO L87 Difference]: Start difference. First operand 3386 states and 3720 transitions. Second operand 3 states. [2020-12-09 08:36:53,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:36:53,315 INFO L93 Difference]: Finished difference Result 6770 states and 7493 transitions. [2020-12-09 08:36:53,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:36:53,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 786 [2020-12-09 08:36:53,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:36:53,327 INFO L225 Difference]: With dead ends: 6770 [2020-12-09 08:36:53,327 INFO L226 Difference]: Without dead ends: 3742 [2020-12-09 08:36:53,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1570 GetRequests, 1566 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 08:36:53,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-12-09 08:36:53,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742. [2020-12-09 08:36:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2020-12-09 08:36:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4116 transitions. [2020-12-09 08:36:53,373 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4116 transitions. Word has length 786 [2020-12-09 08:36:53,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:36:53,373 INFO L481 AbstractCegarLoop]: Abstraction has 3742 states and 4116 transitions. [2020-12-09 08:36:53,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:36:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4116 transitions. [2020-12-09 08:36:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2020-12-09 08:36:53,380 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:36:53,380 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 1] [2020-12-09 08:36:53,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-12-09 08:36:53,582 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:36:53,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:36:53,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1984873364, now seen corresponding path program 1 times [2020-12-09 08:36:53,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:36:53,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684857022] [2020-12-09 08:36:53,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:36:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:53,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 986 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:36:53,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:36:54,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2446 backedges. 1592 proven. 0 refuted. 0 times theorem prover too weak. 854 trivial. 0 not checked. [2020-12-09 08:36:54,537 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:36:54,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684857022] [2020-12-09 08:36:54,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 08:36:54,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 08:36:54,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283316211] [2020-12-09 08:36:54,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:36:54,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:36:54,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:36:54,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 08:36:54,538 INFO L87 Difference]: Start difference. First operand 3742 states and 4116 transitions. Second operand 3 states. [2020-12-09 08:36:56,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:36:56,363 INFO L93 Difference]: Finished difference Result 8194 states and 9107 transitions. [2020-12-09 08:36:56,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:36:56,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 884 [2020-12-09 08:36:56,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:36:56,383 INFO L225 Difference]: With dead ends: 8194 [2020-12-09 08:36:56,383 INFO L226 Difference]: Without dead ends: 4810 [2020-12-09 08:36:56,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 882 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 08:36:56,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2020-12-09 08:36:56,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 4632. [2020-12-09 08:36:56,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2020-12-09 08:36:56,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 5013 transitions. [2020-12-09 08:36:56,435 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 5013 transitions. Word has length 884 [2020-12-09 08:36:56,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:36:56,436 INFO L481 AbstractCegarLoop]: Abstraction has 4632 states and 5013 transitions. [2020-12-09 08:36:56,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:36:56,436 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 5013 transitions. [2020-12-09 08:36:56,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2020-12-09 08:36:56,442 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:36:56,442 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:36:56,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-12-09 08:36:56,643 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:36:56,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:36:56,644 INFO L82 PathProgramCache]: Analyzing trace with hash -130670044, now seen corresponding path program 1 times [2020-12-09 08:36:56,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:36:56,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [859241069] [2020-12-09 08:36:56,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-12-09 08:36:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:36:56,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 08:36:56,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:37:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2489 backedges. 1529 proven. 420 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-12-09 08:37:00,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:37:01,289 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-12-09 08:37:01,289 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 08:37:03,981 WARN L197 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 7 [2020-12-09 08:37:06,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2489 backedges. 1949 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-12-09 08:37:06,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [859241069] [2020-12-09 08:37:06,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 08:37:06,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 19 [2020-12-09 08:37:06,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395870048] [2020-12-09 08:37:06,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 08:37:06,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:37:06,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 08:37:06,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=234, Unknown=0, NotChecked=0, Total=380 [2020-12-09 08:37:06,489 INFO L87 Difference]: Start difference. First operand 4632 states and 5013 transitions. Second operand 11 states. [2020-12-09 08:37:10,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:37:10,103 INFO L93 Difference]: Finished difference Result 9070 states and 9832 transitions. [2020-12-09 08:37:10,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 08:37:10,109 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 907 [2020-12-09 08:37:10,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:37:10,123 INFO L225 Difference]: With dead ends: 9070 [2020-12-09 08:37:10,123 INFO L226 Difference]: Without dead ends: 4787 [2020-12-09 08:37:10,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1812 GetRequests, 1753 SyntacticMatches, 41 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=146, Invalid=234, Unknown=0, NotChecked=0, Total=380 [2020-12-09 08:37:10,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4787 states. [2020-12-09 08:37:10,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4787 to 4787. [2020-12-09 08:37:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4787 states. [2020-12-09 08:37:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 4787 states and 5169 transitions. [2020-12-09 08:37:10,165 INFO L78 Accepts]: Start accepts. Automaton has 4787 states and 5169 transitions. Word has length 907 [2020-12-09 08:37:10,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:37:10,165 INFO L481 AbstractCegarLoop]: Abstraction has 4787 states and 5169 transitions. [2020-12-09 08:37:10,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 08:37:10,165 INFO L276 IsEmpty]: Start isEmpty. Operand 4787 states and 5169 transitions. [2020-12-09 08:37:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2020-12-09 08:37:10,171 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:37:10,172 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:37:10,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3 [2020-12-09 08:37:10,374 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:37:10,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:37:10,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1613634621, now seen corresponding path program 1 times [2020-12-09 08:37:10,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:37:10,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121321024] [2020-12-09 08:37:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:37:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:37:10,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:37:10,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:37:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 487 proven. 2225 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2020-12-09 08:37:11,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:37:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 2039 proven. 100 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2020-12-09 08:37:13,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121321024] [2020-12-09 08:37:13,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1994435132] [2020-12-09 08:37:13,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/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 08:37:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:37:14,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:37:14,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:37:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 2596 trivial. 0 not checked. [2020-12-09 08:37:14,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:37:14,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:37:14,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 12 [2020-12-09 08:37:14,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975042855] [2020-12-09 08:37:14,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 08:37:14,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:37:14,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 08:37:14,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-12-09 08:37:14,947 INFO L87 Difference]: Start difference. First operand 4787 states and 5169 transitions. Second operand 4 states. [2020-12-09 08:37:17,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:37:17,969 INFO L93 Difference]: Finished difference Result 9594 states and 10415 transitions. [2020-12-09 08:37:17,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 08:37:17,973 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 984 [2020-12-09 08:37:17,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:37:17,983 INFO L225 Difference]: With dead ends: 9594 [2020-12-09 08:37:17,983 INFO L226 Difference]: Without dead ends: 5165 [2020-12-09 08:37:17,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2951 GetRequests, 2939 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-12-09 08:37:17,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5165 states. [2020-12-09 08:37:18,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5165 to 4965. [2020-12-09 08:37:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4965 states. [2020-12-09 08:37:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4965 states to 4965 states and 5354 transitions. [2020-12-09 08:37:18,034 INFO L78 Accepts]: Start accepts. Automaton has 4965 states and 5354 transitions. Word has length 984 [2020-12-09 08:37:18,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:37:18,035 INFO L481 AbstractCegarLoop]: Abstraction has 4965 states and 5354 transitions. [2020-12-09 08:37:18,035 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 08:37:18,035 INFO L276 IsEmpty]: Start isEmpty. Operand 4965 states and 5354 transitions. [2020-12-09 08:37:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1010 [2020-12-09 08:37:18,041 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:37:18,042 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:37:18,443 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 08:37:18,445 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:37:18,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:37:18,447 INFO L82 PathProgramCache]: Analyzing trace with hash -245704533, now seen corresponding path program 1 times [2020-12-09 08:37:18,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:37:18,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866249358] [2020-12-09 08:37:18,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2020-12-09 08:37:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:37:18,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-09 08:37:18,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:37:19,853 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-12-09 08:37:20,014 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 6, 1] term [2020-12-09 08:37:20,014 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 7 disjuncts [2020-12-09 08:37:22,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3157 backedges. 677 proven. 2299 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2020-12-09 08:37:22,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:37:23,008 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 3, 1] term [2020-12-09 08:37:23,009 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 08:37:26,533 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 3 [2020-12-09 08:37:28,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3157 backedges. 2423 proven. 190 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-12-09 08:37:28,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866249358] [2020-12-09 08:37:28,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1735017845] [2020-12-09 08:37:28,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:37:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:37:29,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:37:29,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:37:29,947 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:37:29,948 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:37:30,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3157 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 2670 trivial. 0 not checked. [2020-12-09 08:37:30,588 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:37:30,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:37:30,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14, 13] total 30 [2020-12-09 08:37:30,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973220477] [2020-12-09 08:37:30,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 08:37:30,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:37:30,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 08:37:30,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=704, Unknown=0, NotChecked=0, Total=870 [2020-12-09 08:37:30,590 INFO L87 Difference]: Start difference. First operand 4965 states and 5354 transitions. Second operand 7 states. [2020-12-09 08:37:35,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:37:35,894 INFO L93 Difference]: Finished difference Result 10787 states and 11731 transitions. [2020-12-09 08:37:35,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 08:37:35,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1009 [2020-12-09 08:37:35,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:37:35,909 INFO L225 Difference]: With dead ends: 10787 [2020-12-09 08:37:35,909 INFO L226 Difference]: Without dead ends: 6002 [2020-12-09 08:37:35,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3026 GetRequests, 2995 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2020-12-09 08:37:35,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6002 states. [2020-12-09 08:37:35,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6002 to 5321. [2020-12-09 08:37:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5321 states. [2020-12-09 08:37:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 5726 transitions. [2020-12-09 08:37:35,961 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 5726 transitions. Word has length 1009 [2020-12-09 08:37:35,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:37:35,962 INFO L481 AbstractCegarLoop]: Abstraction has 5321 states and 5726 transitions. [2020-12-09 08:37:35,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 08:37:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 5726 transitions. [2020-12-09 08:37:35,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2020-12-09 08:37:35,971 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:37:35,972 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 08:37:36,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 mathsat -unsat_core_generation=3,19 cvc4 --incremental --print-success --lang smt [2020-12-09 08:37:36,374 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:37:36,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:37:36,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1896372564, now seen corresponding path program 1 times [2020-12-09 08:37:36,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:37:36,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302569280] [2020-12-09 08:37:36,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2020-12-09 08:37:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:37:36,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:37:36,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:37:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3858 backedges. 548 proven. 2864 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2020-12-09 08:37:38,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:37:40,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3858 backedges. 2617 proven. 222 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2020-12-09 08:37:40,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302569280] [2020-12-09 08:37:40,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1764050115] [2020-12-09 08:37:40,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:37:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:37:40,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 08:37:40,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:37:41,283 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:37:41,284 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:37:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3858 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 3310 trivial. 0 not checked. [2020-12-09 08:37:42,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:37:42,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:37:42,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6, 5] total 15 [2020-12-09 08:37:42,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275390352] [2020-12-09 08:37:42,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 08:37:42,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:37:42,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 08:37:42,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2020-12-09 08:37:42,136 INFO L87 Difference]: Start difference. First operand 5321 states and 5726 transitions. Second operand 7 states. [2020-12-09 08:37:45,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:37:45,773 INFO L93 Difference]: Finished difference Result 10926 states and 11782 transitions. [2020-12-09 08:37:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 08:37:45,778 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1106 [2020-12-09 08:37:45,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:37:45,785 INFO L225 Difference]: With dead ends: 10926 [2020-12-09 08:37:45,785 INFO L226 Difference]: Without dead ends: 5963 [2020-12-09 08:37:45,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3317 GetRequests, 3302 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-12-09 08:37:45,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5963 states. [2020-12-09 08:37:45,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5963 to 5143. [2020-12-09 08:37:45,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5143 states. [2020-12-09 08:37:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 5143 states and 5428 transitions. [2020-12-09 08:37:45,837 INFO L78 Accepts]: Start accepts. Automaton has 5143 states and 5428 transitions. Word has length 1106 [2020-12-09 08:37:45,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:37:45,838 INFO L481 AbstractCegarLoop]: Abstraction has 5143 states and 5428 transitions. [2020-12-09 08:37:45,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 08:37:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 5143 states and 5428 transitions. [2020-12-09 08:37:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1109 [2020-12-09 08:37:45,847 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:37:45,847 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 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, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-09 08:37:46,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 mathsat -unsat_core_generation=3,21 cvc4 --incremental --print-success --lang smt [2020-12-09 08:37:46,250 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:37:46,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:37:46,252 INFO L82 PathProgramCache]: Analyzing trace with hash 833251281, now seen corresponding path program 1 times [2020-12-09 08:37:46,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:37:46,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [906817342] [2020-12-09 08:37:46,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/mathsat Starting monitored process 22 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with mathsat -unsat_core_generation=3 [2020-12-09 08:37:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:37:46,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:37:46,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:37:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 3862 backedges. 1332 proven. 2098 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2020-12-09 08:37:47,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:37:49,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3862 backedges. 2782 proven. 75 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2020-12-09 08:37:49,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [906817342] [2020-12-09 08:37:49,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [240293593] [2020-12-09 08:37:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/cvc4 Starting monitored process 23 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:37:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:37:50,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:37:50,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:37:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3862 backedges. 1332 proven. 61 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2020-12-09 08:37:51,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:37:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3862 backedges. 1332 proven. 61 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2020-12-09 08:37:52,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464199715] [2020-12-09 08:37:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 08:37:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:37:53,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 08:37:53,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:37:55,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3862 backedges. 1906 proven. 8 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2020-12-09 08:37:55,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:37:56,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3862 backedges. 1906 proven. 8 refuted. 0 times theorem prover too weak. 1948 trivial. 0 not checked. [2020-12-09 08:37:56,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 08:37:56,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5, 5, 5, 5] total 17 [2020-12-09 08:37:56,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231061950] [2020-12-09 08:37:56,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-12-09 08:37:56,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:37:56,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-12-09 08:37:56,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-12-09 08:37:56,942 INFO L87 Difference]: Start difference. First operand 5143 states and 5428 transitions. Second operand 17 states. [2020-12-09 08:38:28,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:38:28,519 INFO L93 Difference]: Finished difference Result 13068 states and 13850 transitions. [2020-12-09 08:38:28,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-09 08:38:28,520 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1108 [2020-12-09 08:38:28,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:38:28,528 INFO L225 Difference]: With dead ends: 13068 [2020-12-09 08:38:28,528 INFO L226 Difference]: Without dead ends: 8283 [2020-12-09 08:38:28,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6693 GetRequests, 6647 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=382, Invalid=1688, Unknown=0, NotChecked=0, Total=2070 [2020-12-09 08:38:28,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8283 states. [2020-12-09 08:38:28,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8283 to 7890. [2020-12-09 08:38:28,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7890 states. [2020-12-09 08:38:28,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7890 states to 7890 states and 8214 transitions. [2020-12-09 08:38:28,606 INFO L78 Accepts]: Start accepts. Automaton has 7890 states and 8214 transitions. Word has length 1108 [2020-12-09 08:38:28,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:38:28,607 INFO L481 AbstractCegarLoop]: Abstraction has 7890 states and 8214 transitions. [2020-12-09 08:38:28,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-12-09 08:38:28,607 INFO L276 IsEmpty]: Start isEmpty. Operand 7890 states and 8214 transitions. [2020-12-09 08:38:28,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1395 [2020-12-09 08:38:28,620 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:38:28,621 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:38:29,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 cvc4 --incremental --print-success --lang smt,22 mathsat -unsat_core_generation=3,24 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 08:38:29,223 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:38:29,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:38:29,226 INFO L82 PathProgramCache]: Analyzing trace with hash 2083424725, now seen corresponding path program 1 times [2020-12-09 08:38:29,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:38:29,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955893099] [2020-12-09 08:38:29,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2020-12-09 08:38:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:38:29,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-09 08:38:29,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:38:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5650 backedges. 3050 proven. 1545 refuted. 0 times theorem prover too weak. 1055 trivial. 0 not checked. [2020-12-09 08:38:35,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:38:37,072 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 3, 3, 1] term [2020-12-09 08:38:37,072 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 08:38:38,521 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 08:38:49,452 WARN L197 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 7 [2020-12-09 08:38:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5650 backedges. 3890 proven. 705 refuted. 0 times theorem prover too weak. 1055 trivial. 0 not checked. [2020-12-09 08:38:56,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955893099] [2020-12-09 08:38:56,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [867792832] [2020-12-09 08:38:56,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/cvc4 Starting monitored process 26 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:38:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:38:56,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 1523 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:38:56,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:38:58,356 INFO L134 CoverageAnalysis]: Checked inductivity of 5650 backedges. 1714 proven. 0 refuted. 0 times theorem prover too weak. 3936 trivial. 0 not checked. [2020-12-09 08:38:58,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:38:58,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 08:38:58,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11, 11] total 23 [2020-12-09 08:38:58,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832413419] [2020-12-09 08:38:58,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:38:58,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:38:58,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:38:58,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2020-12-09 08:38:58,360 INFO L87 Difference]: Start difference. First operand 7890 states and 8214 transitions. Second operand 3 states. [2020-12-09 08:39:01,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:01,159 INFO L93 Difference]: Finished difference Result 14455 states and 15096 transitions. [2020-12-09 08:39:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:39:01,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1394 [2020-12-09 08:39:01,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:01,174 INFO L225 Difference]: With dead ends: 14455 [2020-12-09 08:39:01,174 INFO L226 Difference]: Without dead ends: 8068 [2020-12-09 08:39:01,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4179 GetRequests, 4113 SyntacticMatches, 45 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2020-12-09 08:39:01,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8068 states. [2020-12-09 08:39:01,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8068 to 7712. [2020-12-09 08:39:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7712 states. [2020-12-09 08:39:01,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7712 states to 7712 states and 8021 transitions. [2020-12-09 08:39:01,248 INFO L78 Accepts]: Start accepts. Automaton has 7712 states and 8021 transitions. Word has length 1394 [2020-12-09 08:39:01,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:01,249 INFO L481 AbstractCegarLoop]: Abstraction has 7712 states and 8021 transitions. [2020-12-09 08:39:01,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:39:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 7712 states and 8021 transitions. [2020-12-09 08:39:01,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1452 [2020-12-09 08:39:01,263 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 08:39:01,264 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 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, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 08:39:01,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 cvc4 --incremental --print-success --lang smt,25 mathsat -unsat_core_generation=3 [2020-12-09 08:39:01,666 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 08:39:01,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 08:39:01,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1099488651, now seen corresponding path program 1 times [2020-12-09 08:39:01,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 08:39:01,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964723031] [2020-12-09 08:39:01,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/mathsat Starting monitored process 27 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with mathsat -unsat_core_generation=3 [2020-12-09 08:39:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:02,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 1582 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-09 08:39:02,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:03,704 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-09 08:39:03,817 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 6, 1] term [2020-12-09 08:39:03,817 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 7 disjuncts [2020-12-09 08:39:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5895 backedges. 0 proven. 4748 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2020-12-09 08:39:08,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:39:10,015 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 3, 3, 1] term [2020-12-09 08:39:10,016 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 08:39:11,396 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-09 08:39:18,275 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 23 DAG size of output: 3 [2020-12-09 08:39:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5895 backedges. 894 proven. 3854 refuted. 0 times theorem prover too weak. 1147 trivial. 0 not checked. [2020-12-09 08:39:25,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964723031] [2020-12-09 08:39:25,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [30311248] [2020-12-09 08:39:25,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/cvc4 Starting monitored process 28 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with cvc4 --incremental --print-success --lang smt [2020-12-09 08:39:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:25,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 1582 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 08:39:25,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:26,855 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:39:26,856 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 08:39:26,856 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:39:26,858 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 08:39:26,862 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 08:39:26,863 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 08:39:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5895 backedges. 2584 proven. 185 refuted. 0 times theorem prover too weak. 3126 trivial. 0 not checked. [2020-12-09 08:39:29,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 08:39:30,111 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-09 08:39:30,128 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 08:39:30,129 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 08:39:30,129 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 08:39:30,130 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 08:39:30,132 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 08:39:30,132 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 08:39:30,134 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 08:39:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5895 backedges. 2640 proven. 129 refuted. 0 times theorem prover too weak. 3126 trivial. 0 not checked. [2020-12-09 08:39:32,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257979150] [2020-12-09 08:39:32,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/z3 Starting monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 08:39:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 08:39:32,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 1582 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 08:39:32,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 08:39:34,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5895 backedges. 1749 proven. 0 refuted. 0 times theorem prover too weak. 4146 trivial. 0 not checked. [2020-12-09 08:39:34,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 08:39:34,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 08:39:34,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12, 12, 9, 9] total 35 [2020-12-09 08:39:34,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424241288] [2020-12-09 08:39:34,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 08:39:34,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 08:39:34,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 08:39:34,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=885, Unknown=0, NotChecked=0, Total=1190 [2020-12-09 08:39:34,271 INFO L87 Difference]: Start difference. First operand 7712 states and 8021 transitions. Second operand 3 states. [2020-12-09 08:39:38,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 08:39:38,565 INFO L93 Difference]: Finished difference Result 14097 states and 14708 transitions. [2020-12-09 08:39:38,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 08:39:38,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1451 [2020-12-09 08:39:38,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 08:39:38,574 INFO L225 Difference]: With dead ends: 14097 [2020-12-09 08:39:38,574 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 08:39:38,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7250 GetRequests, 7169 SyntacticMatches, 48 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=305, Invalid=885, Unknown=0, NotChecked=0, Total=1190 [2020-12-09 08:39:38,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 08:39:38,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 08:39:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 08:39:38,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 08:39:38,582 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1451 [2020-12-09 08:39:38,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 08:39:38,582 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 08:39:38,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 08:39:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 08:39:38,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 08:39:39,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 cvc4 --incremental --print-success --lang smt,29 z3 -smt2 -in SMTLIB2_COMPLIANT=true,27 mathsat -unsat_core_generation=3 [2020-12-09 08:39:39,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 08:39:39,429 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 169 [2020-12-09 08:39:39,559 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 168 [2020-12-09 08:39:40,515 WARN L197 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 55 [2020-12-09 08:39:41,337 WARN L197 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 55 [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-09 08:39:41,340 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-09 08:39:41,341 INFO L262 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-09 08:39:41,342 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-09 08:39:41,343 INFO L262 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 08:39:41,344 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-09 08:39:41,345 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 08:39:41,346 INFO L262 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 203) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,347 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-09 08:39:41,348 INFO L262 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 08:39:41,349 INFO L262 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 08:39:41,350 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 08:39:41,351 INFO L262 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-09 08:39:41,351 INFO L262 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-09 08:39:41,351 INFO L262 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-09 08:39:41,351 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,351 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,351 INFO L258 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse1 (bvsle ~a12~0 (_ bv4294967253 32)))) (let ((.cse14 (= (_ bv9 32) ~a15~0)) (.cse12 (not .cse1)) (.cse5 (= (_ bv5 32) ~a15~0)) (.cse4 (= (_ bv1 32) ~a24~0))) (let ((.cse10 (= (_ bv8 32) ~a21~0)) (.cse2 (= (_ bv6 32) ~a21~0)) (.cse13 (= (_ bv10 32) ~a21~0)) (.cse6 (= (_ bv7 32) ~a21~0)) (.cse7 (bvslt (_ bv11 32) ~a12~0)) (.cse0 (not (bvslt (_ bv80 32) (bvadd ~a12~0 (_ bv4294367247 32))))) (.cse11 (= (_ bv9 32) ~a21~0)) (.cse9 (or (not .cse5) (not .cse4))) (.cse8 (not (bvslt (_ bv80 32) ~a12~0))) (.cse3 (or (not .cse14) .cse12))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse4 .cse6 .cse7 .cse8) (and .cse4 .cse0 .cse6 .cse9 .cse8 .cse3) (and .cse4 .cse7 .cse8 .cse10) (and .cse4 .cse0 .cse9 .cse10) (and .cse4 .cse0 .cse11 .cse1 .cse3) (and .cse4 .cse0 .cse12 .cse2) (and .cse4 .cse0 .cse13 .cse12) (and .cse4 .cse0 .cse13 .cse9) (and .cse4 .cse0 .cse6 .cse14 .cse3) (and .cse4 .cse0 .cse11 .cse7 (not (= (_ bv8 32) ~a15~0))) (and .cse4 .cse0 .cse11 .cse9 .cse8 .cse3))))) [2020-12-09 08:39:41,351 INFO L262 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-09 08:39:41,351 INFO L262 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-09 08:39:41,351 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 08:39:41,351 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 08:39:41,351 INFO L262 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-09 08:39:41,352 INFO L262 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse1 (bvsle ~a12~0 (_ bv4294967253 32)))) (let ((.cse14 (= (_ bv9 32) ~a15~0)) (.cse12 (not .cse1)) (.cse5 (= (_ bv5 32) ~a15~0)) (.cse4 (= (_ bv1 32) ~a24~0))) (let ((.cse10 (= (_ bv8 32) ~a21~0)) (.cse2 (= (_ bv6 32) ~a21~0)) (.cse13 (= (_ bv10 32) ~a21~0)) (.cse6 (= (_ bv7 32) ~a21~0)) (.cse7 (bvslt (_ bv11 32) ~a12~0)) (.cse0 (not (bvslt (_ bv80 32) (bvadd ~a12~0 (_ bv4294367247 32))))) (.cse11 (= (_ bv9 32) ~a21~0)) (.cse9 (or (not .cse5) (not .cse4))) (.cse8 (not (bvslt (_ bv80 32) ~a12~0))) (.cse3 (or (not .cse14) .cse12))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse4 .cse6 .cse7 .cse8) (and .cse4 .cse0 .cse6 .cse9 .cse8 .cse3) (and .cse4 .cse7 .cse8 .cse10) (and .cse4 .cse0 .cse9 .cse10) (and .cse4 .cse0 .cse11 .cse1 .cse3) (and .cse4 .cse0 .cse12 .cse2) (and .cse4 .cse0 .cse13 .cse12) (and .cse4 .cse0 .cse13 .cse9) (and .cse4 .cse0 .cse6 .cse14 .cse3) (and .cse4 .cse0 .cse11 .cse7 (not (= (_ bv8 32) ~a15~0))) (and .cse4 .cse0 .cse11 .cse9 .cse8 .cse3))))) [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 08:39:41,353 INFO L262 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-09 08:39:41,354 INFO L262 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-09 08:39:41,354 INFO L262 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-09 08:39:41,354 INFO L262 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-09 08:39:41,354 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,354 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,354 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 08:39:41,354 INFO L262 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-09 08:39:41,354 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 08:39:41,354 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 08:39:41,354 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 08:39:41,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:39:41 BoogieIcfgContainer [2020-12-09 08:39:41,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 08:39:41,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 08:39:41,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 08:39:41,377 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 08:39:41,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:35:53" (3/4) ... [2020-12-09 08:39:41,379 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 08:39:41,397 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 08:39:41,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 08:39:41,400 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:39:41,401 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 08:39:41,489 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6546b81a-ef10-4922-adf1-34adbeca745b/bin/utaipan/witness.graphml [2020-12-09 08:39:41,489 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 08:39:41,490 INFO L168 Benchmark]: Toolchain (without parser) took 231570.58 ms. Allocated memory was 60.8 MB in the beginning and 989.9 MB in the end (delta: 929.0 MB). Free memory was 37.9 MB in the beginning and 359.2 MB in the end (delta: -321.3 MB). Peak memory consumption was 607.4 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:41,490 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 60.8 MB. Free memory was 43.6 MB in the beginning and 43.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 08:39:41,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.51 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.7 MB in the beginning and 47.1 MB in the end (delta: -9.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:41,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.76 ms. Allocated memory is still 73.4 MB. Free memory was 47.1 MB in the beginning and 40.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:41,491 INFO L168 Benchmark]: Boogie Preprocessor took 77.60 ms. Allocated memory is still 73.4 MB. Free memory was 40.7 MB in the beginning and 51.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:41,491 INFO L168 Benchmark]: RCFGBuilder took 2414.68 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 50.8 MB in the beginning and 36.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:41,492 INFO L168 Benchmark]: TraceAbstraction took 228372.78 ms. Allocated memory was 88.1 MB in the beginning and 989.9 MB in the end (delta: 901.8 MB). Free memory was 36.1 MB in the beginning and 379.1 MB in the end (delta: -343.1 MB). Peak memory consumption was 559.4 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:41,492 INFO L168 Benchmark]: Witness Printer took 112.70 ms. Allocated memory is still 989.9 MB. Free memory was 379.1 MB in the beginning and 359.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-09 08:39:41,493 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 60.8 MB. Free memory was 43.6 MB in the beginning and 43.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 512.51 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 37.7 MB in the beginning and 47.1 MB in the end (delta: -9.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.76 ms. Allocated memory is still 73.4 MB. Free memory was 47.1 MB in the beginning and 40.7 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.60 ms. Allocated memory is still 73.4 MB. Free memory was 40.7 MB in the beginning and 51.1 MB in the end (delta: -10.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2414.68 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 50.8 MB in the beginning and 36.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 228372.78 ms. Allocated memory was 88.1 MB in the beginning and 989.9 MB in the end (delta: 901.8 MB). Free memory was 36.1 MB in the beginning and 379.1 MB in the end (delta: -343.1 MB). Peak memory consumption was 559.4 MB. Max. memory is 16.1 GB. * Witness Printer took 112.70 ms. Allocated memory is still 989.9 MB. Free memory was 379.1 MB in the beginning and 359.2 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 203]: 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: ((((((((((((((!~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32)) && ~bvsle32(a12, 4294967253bv32)) && 6bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32))) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || (((1bv32 == a24 && 7bv32 == a21) && ~bvslt32(11bv32, a12)) && !~bvslt32(80bv32, a12))) || (((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 7bv32 == a21) && (!(5bv32 == a15) || !(1bv32 == a24))) && !~bvslt32(80bv32, a12)) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && ~bvslt32(11bv32, a12)) && !~bvslt32(80bv32, a12)) && 8bv32 == a21)) || (((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && (!(5bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21)) || ((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 9bv32 == a21) && ~bvsle32(a12, 4294967253bv32)) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && !~bvsle32(a12, 4294967253bv32)) && 6bv32 == a21)) || (((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 10bv32 == a21) && !~bvsle32(a12, 4294967253bv32))) || (((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 10bv32 == a21) && (!(5bv32 == a15) || !(1bv32 == a24)))) || ((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 7bv32 == a21) && 9bv32 == a15) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || ((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 9bv32 == a21) && ~bvslt32(11bv32, a12)) && !(8bv32 == a15))) || (((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 9bv32 == a21) && (!(5bv32 == a15) || !(1bv32 == a24))) && !~bvslt32(80bv32, a12)) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32))) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((((!~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32)) && ~bvsle32(a12, 4294967253bv32)) && 6bv32 == a21) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32))) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || (((1bv32 == a24 && 7bv32 == a21) && ~bvslt32(11bv32, a12)) && !~bvslt32(80bv32, a12))) || (((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 7bv32 == a21) && (!(5bv32 == a15) || !(1bv32 == a24))) && !~bvslt32(80bv32, a12)) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && ~bvslt32(11bv32, a12)) && !~bvslt32(80bv32, a12)) && 8bv32 == a21)) || (((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && (!(5bv32 == a15) || !(1bv32 == a24))) && 8bv32 == a21)) || ((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 9bv32 == a21) && ~bvsle32(a12, 4294967253bv32)) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || (((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && !~bvsle32(a12, 4294967253bv32)) && 6bv32 == a21)) || (((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 10bv32 == a21) && !~bvsle32(a12, 4294967253bv32))) || (((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 10bv32 == a21) && (!(5bv32 == a15) || !(1bv32 == a24)))) || ((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 7bv32 == a21) && 9bv32 == a15) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32)))) || ((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 9bv32 == a21) && ~bvslt32(11bv32, a12)) && !(8bv32 == a15))) || (((((1bv32 == a24 && !~bvslt32(80bv32, ~bvadd64(a12, 4294367247bv32))) && 9bv32 == a21) && (!(5bv32 == a15) || !(1bv32 == a24))) && !~bvslt32(80bv32, a12)) && (!(9bv32 == a15) || !~bvsle32(a12, 4294967253bv32))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 226.1s, OverallIterations: 18, TraceHistogramMax: 11, AutomataDifference: 96.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1824 SDtfs, 5478 SDslu, 435 SDs, 0 SdLazy, 27127 SolverSat, 1946 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 83.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36612 GetRequests, 36261 SyntacticMatches, 144 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 45.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7890occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 3182 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 101 NumberOfFragments, 559 HoareAnnotationTreeSize, 3 FomulaSimplifications, 17932 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3810 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 114.8s InterpolantComputationTime, 22587 NumberOfCodeBlocks, 22587 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 36553 ConstructedInterpolants, 0 QuantifiedInterpolants, 299872661 SizeOfPredicates, 84 NumberOfNonLiveVariables, 25181 ConjunctsInSsa, 182 ConjunctsInUnsatCore, 43 InterpolantComputations, 17 PerfectInterpolantSequences, 94277/117400 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...