./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.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_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 2a301598b894469c390b893ff55a4689df36f250 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 2a301598b894469c390b893ff55a4689df36f250 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:37:33,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 15:37:33,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 15:37:33,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 15:37:33,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 15:37:33,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 15:37:33,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 15:37:33,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 15:37:33,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 15:37:33,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 15:37:33,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 15:37:33,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 15:37:33,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 15:37:33,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 15:37:33,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 15:37:33,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 15:37:34,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 15:37:34,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 15:37:34,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 15:37:34,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 15:37:34,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 15:37:34,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 15:37:34,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 15:37:34,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 15:37:34,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 15:37:34,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 15:37:34,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 15:37:34,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 15:37:34,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 15:37:34,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 15:37:34,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 15:37:34,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 15:37:34,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 15:37:34,020 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 15:37:34,021 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 15:37:34,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 15:37:34,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 15:37:34,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 15:37:34,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 15:37:34,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 15:37:34,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 15:37:34,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 15:37:34,039 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 15:37:34,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 15:37:34,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 15:37:34,040 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 15:37:34,040 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 15:37:34,041 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 15:37:34,041 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 15:37:34,041 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 15:37:34,041 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 15:37:34,041 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 15:37:34,041 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 15:37:34,041 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 15:37:34,041 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 15:37:34,041 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 15:37:34,042 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 15:37:34,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 15:37:34,042 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 15:37:34,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 15:37:34,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 15:37:34,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 15:37:34,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 15:37:34,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 15:37:34,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 15:37:34,043 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 15:37:34,043 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 15:37:34,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 15:37:34,043 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 15:37:34,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 15:37:34,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 15:37:34,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 15:37:34,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 15:37:34,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 15:37:34,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 15:37:34,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 15:37:34,044 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 15:37:34,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 15:37:34,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 15:37:34,044 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 15:37:34,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 15:37:34,045 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_f8764a00-6981-4475-9c78-00633de0ec7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a301598b894469c390b893ff55a4689df36f250 [2020-12-09 15:37:34,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 15:37:34,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 15:37:34,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 15:37:34,243 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 15:37:34,243 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 15:37:34,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2020-12-09 15:37:34,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/data/c4821f934/9f97c8e7f1ea41fba4e7f578f0141842/FLAG2726384c0 [2020-12-09 15:37:34,710 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 15:37:34,710 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2020-12-09 15:37:34,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/data/c4821f934/9f97c8e7f1ea41fba4e7f578f0141842/FLAG2726384c0 [2020-12-09 15:37:34,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/data/c4821f934/9f97c8e7f1ea41fba4e7f578f0141842 [2020-12-09 15:37:34,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 15:37:34,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 15:37:34,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 15:37:34,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 15:37:34,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 15:37:34,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:37:34" (1/1) ... [2020-12-09 15:37:34,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7951446a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:34, skipping insertion in model container [2020-12-09 15:37:34,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:37:34" (1/1) ... [2020-12-09 15:37:34,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 15:37:34,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 15:37:34,946 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_f8764a00-6981-4475-9c78-00633de0ec7c/sv-benchmarks/c/eca-rers2012/Problem14_label55.c[5831,5844] [2020-12-09 15:37:35,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:37:35,070 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 15:37:35,088 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/sv-benchmarks/c/eca-rers2012/Problem14_label55.c[5831,5844] [2020-12-09 15:37:35,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:37:35,153 INFO L208 MainTranslator]: Completed translation [2020-12-09 15:37:35,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35 WrapperNode [2020-12-09 15:37:35,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 15:37:35,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 15:37:35,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 15:37:35,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 15:37:35,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (1/1) ... [2020-12-09 15:37:35,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (1/1) ... [2020-12-09 15:37:35,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 15:37:35,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 15:37:35,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 15:37:35,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 15:37:35,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (1/1) ... [2020-12-09 15:37:35,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (1/1) ... [2020-12-09 15:37:35,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (1/1) ... [2020-12-09 15:37:35,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (1/1) ... [2020-12-09 15:37:35,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (1/1) ... [2020-12-09 15:37:35,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (1/1) ... [2020-12-09 15:37:35,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (1/1) ... [2020-12-09 15:37:35,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 15:37:35,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 15:37:35,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 15:37:35,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 15:37:35,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:37:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 15:37:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 15:37:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 15:37:35,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 15:37:45,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 15:37:45,617 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 15:37:45,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:37:45 BoogieIcfgContainer [2020-12-09 15:37:45,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 15:37:45,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 15:37:45,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 15:37:45,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 15:37:45,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:37:34" (1/3) ... [2020-12-09 15:37:45,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a49d238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:37:45, skipping insertion in model container [2020-12-09 15:37:45,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:37:35" (2/3) ... [2020-12-09 15:37:45,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a49d238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:37:45, skipping insertion in model container [2020-12-09 15:37:45,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:37:45" (3/3) ... [2020-12-09 15:37:45,625 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label55.c [2020-12-09 15:37:45,634 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 15:37:45,637 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 15:37:45,643 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 15:37:45,658 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 15:37:45,658 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 15:37:45,658 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 15:37:45,658 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 15:37:45,659 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 15:37:45,659 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 15:37:45,659 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 15:37:45,659 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 15:37:45,667 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 15:37:45,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 15:37:45,670 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:37:45,670 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 15:37:45,670 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:37:45,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:37:45,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1037752399, now seen corresponding path program 1 times [2020-12-09 15:37:45,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 15:37:45,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39362725] [2020-12-09 15:37:45,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 15:37:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:37:45,810 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 15:37:45,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39362725] [2020-12-09 15:37:45,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:37:45,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 15:37:45,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759953160] [2020-12-09 15:37:45,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:37:45,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 15:37:45,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:37:45,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 15:37:45,830 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 15:37:45,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:37:45,950 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 15:37:45,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:37:45,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 15:37:45,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:37:45,957 INFO L225 Difference]: With dead ends: 23 [2020-12-09 15:37:45,957 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 15:37:45,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 15:37:45,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 15:37:45,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 15:37:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 15:37:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 15:37:45,980 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 15:37:45,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:37:45,981 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 15:37:45,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:37:45,981 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 15:37:45,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 15:37:45,981 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:37:45,981 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 15:37:45,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 15:37:45,982 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:37:45,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:37:45,982 INFO L82 PathProgramCache]: Analyzing trace with hash -331753217, now seen corresponding path program 1 times [2020-12-09 15:37:45,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 15:37:45,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210568428] [2020-12-09 15:37:45,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 15:37:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:37:46,336 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 15:37:46,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210568428] [2020-12-09 15:37:46,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767239188] [2020-12-09 15:37:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:37:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:37:46,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:37:46,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:37:46,648 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 83 [2020-12-09 15:37:46,696 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:46,698 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,699 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,700 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:46,701 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,702 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,703 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:46,706 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,707 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:46,711 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,712 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,714 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:46,716 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,717 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,724 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,724 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,725 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,728 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,731 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 15:37:46,733 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,736 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,737 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,737 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:46,740 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,742 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,747 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 15:37:46,749 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,749 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,750 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,751 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,752 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:46,755 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,756 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,759 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 15:37:46,760 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,761 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,764 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,767 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 15:37:46,769 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,770 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,774 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 15:37:46,780 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,781 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,784 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,788 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,789 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,789 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,790 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,791 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,794 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,795 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,796 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,796 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:46,800 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,802 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,805 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,806 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 15:37:46,807 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,810 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,811 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,816 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,818 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 15:37:46,818 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,819 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,820 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 15:37:46,821 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,825 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 15:37:46,827 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,847 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,848 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,849 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,852 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 15:37:46,853 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 15:37:46,859 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 15:37:46,860 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 15:37:46,861 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,862 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,862 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,863 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:46,867 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 15:37:46,868 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,871 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 15:37:46,872 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,873 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,876 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,880 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 15:37:46,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 15:37:46,881 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,882 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,885 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 15:37:46,889 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 15:37:46,890 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 15:37:46,891 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 15:37:46,894 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 15:37:46,902 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 15:37:46,903 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 15:37:46,904 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 15:37:46,904 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 15:37:46,905 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 15:37:46,905 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 15:37:46,906 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 15:37:46,906 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 15:37:46,907 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-09 15:37:46,907 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,908 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 2, 4, 1] term [2020-12-09 15:37:46,908 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:46,909 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 5, 4, 2, 4, 1] term [2020-12-09 15:37:46,910 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:46,911 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 15:37:46,911 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 15:37:46,911 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 15:37:46,912 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 15:37:46,913 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 15:37:46,914 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,917 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 15:37:46,918 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:46,919 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,919 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,922 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,924 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,926 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,928 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 15:37:46,928 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,930 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,932 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,933 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,936 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:46,936 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,939 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,941 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,942 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,944 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:46,944 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,946 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,948 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:46,948 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,949 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,950 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:46,951 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,952 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,954 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,955 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 15:37:46,956 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,956 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,957 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,959 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,960 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 15:37:46,961 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,963 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:46,964 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,964 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,966 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,967 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,970 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 15:37:46,970 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,971 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,973 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:46,973 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,974 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,976 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,977 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,979 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,980 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,980 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,983 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 15:37:46,984 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:46,984 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,984 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,987 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:46,987 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,989 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,992 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 15:37:46,992 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:46,994 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:46,994 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:46,995 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,997 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,998 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:46,999 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 15:37:47,000 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,001 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,003 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,003 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,005 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:47,006 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,007 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,009 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,010 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,012 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:47,012 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,014 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,016 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,018 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,019 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 15:37:47,020 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,022 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:47,023 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,023 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,025 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,027 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,029 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,030 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,030 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,033 INFO L639 QuantifierPusher]: Distributing 18 conjuncts over 2 disjuncts [2020-12-09 15:37:47,034 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 15:37:47,035 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,036 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,037 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:37:47,039 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 15:37:47,039 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,041 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:47,042 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,043 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,044 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,046 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,047 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,049 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 15:37:47,050 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 15:37:47,051 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,052 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,053 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:37:47,055 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 15:37:47,055 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,058 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:47,058 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,060 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,060 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,063 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,063 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,066 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,067 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,068 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 15:37:47,069 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,070 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:37:47,071 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,073 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:47,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,075 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,077 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:47,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,080 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,081 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 15:37:47,082 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,084 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:47,084 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,086 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,088 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,089 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,090 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,092 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,093 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,094 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,095 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,096 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:47,097 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,098 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:37:47,100 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,100 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,102 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 15:37:47,103 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:47,104 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,106 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,108 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,110 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 3 disjuncts [2020-12-09 15:37:47,111 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 15:37:47,112 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,113 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,114 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,115 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 15:37:47,116 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,117 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,118 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:47,118 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,120 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,120 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,122 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,123 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,124 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,125 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,126 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,128 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 15:37:47,128 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,129 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,130 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,133 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,134 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 15:37:47,135 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,136 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:37:47,137 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,139 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:47,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,140 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,141 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,142 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:47,143 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,144 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,146 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 15:37:47,147 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,148 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:47,149 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,150 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,152 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,153 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,155 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,156 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,158 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,158 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 15:37:47,159 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,160 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:37:47,161 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:47,162 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,163 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:37:47,165 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,166 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,167 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 15:37:47,168 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,169 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:37:47,171 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,171 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,173 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 15:37:47,174 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:37:47,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,176 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:37:47,178 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,178 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,180 INFO L639 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-12-09 15:37:47,181 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,182 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 15:37:47,182 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,184 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,184 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,185 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,186 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,187 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,188 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,189 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 15:37:47,190 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,190 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,192 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,196 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,196 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,198 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,199 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,200 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,201 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,202 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,203 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,205 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:37:47,206 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,206 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,208 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 15:37:47,208 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,209 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 15:37:47,209 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,210 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,211 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,213 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,214 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:37:47,214 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:37:47,224 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 15:37:47,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:37:47,596 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 2658 DAG size of output: 2498 [2020-12-09 15:37:47,616 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 15:37:47,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1637537648] [2020-12-09 15:37:47,633 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 15:37:47,633 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 15:37:47,636 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 15:37:47,640 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 15:37:47,640 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 15:37:47,772 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 52 [2020-12-09 15:37:48,575 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 52 [2020-12-09 15:37:49,846 WARN L197 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 2470 DAG size of output: 2329 [2020-12-09 15:38:05,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 15:38:05,377 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 15:38:05,386 INFO L168 Benchmark]: Toolchain (without parser) took 30649.71 ms. Allocated memory was 75.5 MB in the beginning and 801.1 MB in the end (delta: 725.6 MB). Free memory was 39.9 MB in the beginning and 400.8 MB in the end (delta: -360.9 MB). Peak memory consumption was 610.0 MB. Max. memory is 16.1 GB. [2020-12-09 15:38:05,387 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 75.5 MB. Free memory was 48.7 MB in the beginning and 48.7 MB in the end (delta: 24.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 15:38:05,387 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.11 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 39.8 MB in the beginning and 51.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-12-09 15:38:05,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.99 ms. Allocated memory is still 94.4 MB. Free memory was 51.1 MB in the beginning and 41.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 15:38:05,388 INFO L168 Benchmark]: Boogie Preprocessor took 64.66 ms. Allocated memory is still 94.4 MB. Free memory was 41.6 MB in the beginning and 35.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 15:38:05,389 INFO L168 Benchmark]: RCFGBuilder took 10334.72 ms. Allocated memory was 94.4 MB in the beginning and 356.5 MB in the end (delta: 262.1 MB). Free memory was 35.3 MB in the beginning and 96.2 MB in the end (delta: -60.8 MB). Peak memory consumption was 215.2 MB. Max. memory is 16.1 GB. [2020-12-09 15:38:05,389 INFO L168 Benchmark]: TraceAbstraction took 19763.46 ms. Allocated memory was 356.5 MB in the beginning and 801.1 MB in the end (delta: 444.6 MB). Free memory was 96.2 MB in the beginning and 400.8 MB in the end (delta: -304.7 MB). Peak memory consumption was 384.3 MB. Max. memory is 16.1 GB. [2020-12-09 15:38:05,392 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 75.5 MB. Free memory was 48.7 MB in the beginning and 48.7 MB in the end (delta: 24.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.11 ms. Allocated memory was 75.5 MB in the beginning and 94.4 MB in the end (delta: 18.9 MB). Free memory was 39.8 MB in the beginning and 51.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.99 ms. Allocated memory is still 94.4 MB. Free memory was 51.1 MB in the beginning and 41.6 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.66 ms. Allocated memory is still 94.4 MB. Free memory was 41.6 MB in the beginning and 35.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10334.72 ms. Allocated memory was 94.4 MB in the beginning and 356.5 MB in the end (delta: 262.1 MB). Free memory was 35.3 MB in the beginning and 96.2 MB in the end (delta: -60.8 MB). Peak memory consumption was 215.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19763.46 ms. Allocated memory was 356.5 MB in the beginning and 801.1 MB in the end (delta: 444.6 MB). Free memory was 96.2 MB in the beginning and 400.8 MB in the end (delta: -304.7 MB). Peak memory consumption was 384.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: variable got div captured de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: variable got div captured: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 15:38:06,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 15:38:06,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 15:38:06,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 15:38:06,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 15:38:06,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 15:38:06,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 15:38:06,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 15:38:06,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 15:38:06,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 15:38:06,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 15:38:06,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 15:38:06,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 15:38:06,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 15:38:06,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 15:38:06,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 15:38:06,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 15:38:06,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 15:38:06,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 15:38:06,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 15:38:06,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 15:38:06,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 15:38:06,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 15:38:06,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 15:38:06,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 15:38:06,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 15:38:06,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 15:38:06,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 15:38:06,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 15:38:06,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 15:38:06,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 15:38:06,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 15:38:06,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 15:38:06,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 15:38:06,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 15:38:06,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 15:38:06,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 15:38:06,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 15:38:06,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 15:38:06,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 15:38:06,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 15:38:06,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 15:38:06,999 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 15:38:07,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 15:38:07,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 15:38:07,000 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 15:38:07,001 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 15:38:07,001 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 15:38:07,001 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 15:38:07,001 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 15:38:07,001 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 15:38:07,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 15:38:07,002 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 15:38:07,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 15:38:07,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 15:38:07,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 15:38:07,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 15:38:07,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 15:38:07,002 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 15:38:07,002 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 15:38:07,002 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 15:38:07,002 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 15:38:07,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 15:38:07,003 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 15:38:07,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 15:38:07,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 15:38:07,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 15:38:07,003 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 15:38:07,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 15:38:07,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 15:38:07,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 15:38:07,004 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 15:38:07,004 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 15:38:07,004 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 15:38:07,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 15:38:07,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 15:38:07,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 15:38:07,004 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a301598b894469c390b893ff55a4689df36f250 [2020-12-09 15:38:07,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 15:38:07,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 15:38:07,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 15:38:07,262 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 15:38:07,262 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 15:38:07,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2020-12-09 15:38:07,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/data/9679b8d1a/2e4b44a31a274fabb38a0a2595dfd3ae/FLAG608142bdf [2020-12-09 15:38:07,753 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 15:38:07,754 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/sv-benchmarks/c/eca-rers2012/Problem14_label55.c [2020-12-09 15:38:07,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/data/9679b8d1a/2e4b44a31a274fabb38a0a2595dfd3ae/FLAG608142bdf [2020-12-09 15:38:07,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/data/9679b8d1a/2e4b44a31a274fabb38a0a2595dfd3ae [2020-12-09 15:38:07,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 15:38:07,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 15:38:07,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 15:38:07,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 15:38:07,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 15:38:07,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:38:07" (1/1) ... [2020-12-09 15:38:07,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@722500bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:07, skipping insertion in model container [2020-12-09 15:38:07,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:38:07" (1/1) ... [2020-12-09 15:38:07,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 15:38:07,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 15:38:07,995 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_f8764a00-6981-4475-9c78-00633de0ec7c/sv-benchmarks/c/eca-rers2012/Problem14_label55.c[5831,5844] [2020-12-09 15:38:08,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:38:08,208 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 15:38:08,231 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_f8764a00-6981-4475-9c78-00633de0ec7c/sv-benchmarks/c/eca-rers2012/Problem14_label55.c[5831,5844] [2020-12-09 15:38:08,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 15:38:08,323 INFO L208 MainTranslator]: Completed translation [2020-12-09 15:38:08,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08 WrapperNode [2020-12-09 15:38:08,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 15:38:08,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 15:38:08,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 15:38:08,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 15:38:08,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (1/1) ... [2020-12-09 15:38:08,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (1/1) ... [2020-12-09 15:38:08,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 15:38:08,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 15:38:08,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 15:38:08,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 15:38:08,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (1/1) ... [2020-12-09 15:38:08,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (1/1) ... [2020-12-09 15:38:08,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (1/1) ... [2020-12-09 15:38:08,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (1/1) ... [2020-12-09 15:38:08,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (1/1) ... [2020-12-09 15:38:08,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (1/1) ... [2020-12-09 15:38:08,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (1/1) ... [2020-12-09 15:38:08,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 15:38:08,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 15:38:08,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 15:38:08,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 15:38:08,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:38:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 15:38:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 15:38:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 15:38:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 15:38:10,933 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 15:38:10,934 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 15:38:10,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:38:10 BoogieIcfgContainer [2020-12-09 15:38:10,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 15:38:10,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 15:38:10,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 15:38:10,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 15:38:10,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:38:07" (1/3) ... [2020-12-09 15:38:10,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cad6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:38:10, skipping insertion in model container [2020-12-09 15:38:10,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:38:08" (2/3) ... [2020-12-09 15:38:10,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42cad6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:38:10, skipping insertion in model container [2020-12-09 15:38:10,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:38:10" (3/3) ... [2020-12-09 15:38:10,940 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label55.c [2020-12-09 15:38:10,949 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 15:38:10,952 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 15:38:10,959 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 15:38:10,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 15:38:10,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 15:38:10,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 15:38:10,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 15:38:10,976 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 15:38:10,976 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 15:38:10,976 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 15:38:10,976 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 15:38:10,989 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-09 15:38:10,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-09 15:38:10,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:38:10,995 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] [2020-12-09 15:38:10,995 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:38:10,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:38:10,999 INFO L82 PathProgramCache]: Analyzing trace with hash -66916295, now seen corresponding path program 1 times [2020-12-09 15:38:11,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:38:11,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065769385] [2020-12-09 15:38:11,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:38:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:38:11,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 15:38:11,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:38:11,188 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 15:38:11,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:38:11,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065769385] [2020-12-09 15:38:11,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:38:11,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 15:38:11,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794984008] [2020-12-09 15:38:11,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:38:11,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:38:11,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:38:11,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 15:38:11,204 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-09 15:38:14,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:38:14,340 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2020-12-09 15:38:14,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:38:14,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-09 15:38:14,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:38:14,356 INFO L225 Difference]: With dead ends: 669 [2020-12-09 15:38:14,356 INFO L226 Difference]: Without dead ends: 360 [2020-12-09 15:38:14,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 15:38:14,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-09 15:38:14,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-09 15:38:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-09 15:38:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 534 transitions. [2020-12-09 15:38:14,410 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 534 transitions. Word has length 57 [2020-12-09 15:38:14,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:38:14,411 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 534 transitions. [2020-12-09 15:38:14,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:38:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 534 transitions. [2020-12-09 15:38:14,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-09 15:38:14,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:38:14,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:38:14,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 15:38:14,617 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:38:14,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:38:14,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1792959388, now seen corresponding path program 1 times [2020-12-09 15:38:14,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:38:14,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48884154] [2020-12-09 15:38:14,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:38:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:38:14,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 15:38:14,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:38:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:38:14,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:38:14,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48884154] [2020-12-09 15:38:14,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:38:14,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 15:38:14,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529580179] [2020-12-09 15:38:14,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:38:14,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:38:14,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:38:14,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 15:38:14,831 INFO L87 Difference]: Start difference. First operand 360 states and 534 transitions. Second operand 3 states. [2020-12-09 15:38:18,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:38:18,013 INFO L93 Difference]: Finished difference Result 1074 states and 1597 transitions. [2020-12-09 15:38:18,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:38:18,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2020-12-09 15:38:18,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:38:18,017 INFO L225 Difference]: With dead ends: 1074 [2020-12-09 15:38:18,017 INFO L226 Difference]: Without dead ends: 716 [2020-12-09 15:38:18,018 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 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 15:38:18,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-09 15:38:18,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-12-09 15:38:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-09 15:38:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 944 transitions. [2020-12-09 15:38:18,041 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 944 transitions. Word has length 122 [2020-12-09 15:38:18,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:38:18,042 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 944 transitions. [2020-12-09 15:38:18,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:38:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 944 transitions. [2020-12-09 15:38:18,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-09 15:38:18,044 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:38:18,044 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:38:18,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 15:38:18,246 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:38:18,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:38:18,249 INFO L82 PathProgramCache]: Analyzing trace with hash 808070062, now seen corresponding path program 1 times [2020-12-09 15:38:18,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:38:18,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327451333] [2020-12-09 15:38:18,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:38:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:38:18,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 15:38:18,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:38:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 15:38:18,488 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:38:18,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327451333] [2020-12-09 15:38:18,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:38:18,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 15:38:18,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663155283] [2020-12-09 15:38:18,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:38:18,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:38:18,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:38:18,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 15:38:18,490 INFO L87 Difference]: Start difference. First operand 716 states and 944 transitions. Second operand 3 states. [2020-12-09 15:38:20,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:38:20,669 INFO L93 Difference]: Finished difference Result 1252 states and 1672 transitions. [2020-12-09 15:38:20,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:38:20,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-12-09 15:38:20,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:38:20,675 INFO L225 Difference]: With dead ends: 1252 [2020-12-09 15:38:20,675 INFO L226 Difference]: Without dead ends: 894 [2020-12-09 15:38:20,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 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 15:38:20,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-12-09 15:38:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-12-09 15:38:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-12-09 15:38:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1134 transitions. [2020-12-09 15:38:20,691 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1134 transitions. Word has length 126 [2020-12-09 15:38:20,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:38:20,691 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1134 transitions. [2020-12-09 15:38:20,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:38:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1134 transitions. [2020-12-09 15:38:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-09 15:38:20,697 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:38:20,697 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:38:20,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 15:38:20,899 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:38:20,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:38:20,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1114623259, now seen corresponding path program 1 times [2020-12-09 15:38:20,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:38:20,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2126093501] [2020-12-09 15:38:20,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:38:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:38:21,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 15:38:21,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:38:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-09 15:38:21,221 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:38:21,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2126093501] [2020-12-09 15:38:21,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:38:21,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 15:38:21,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807997686] [2020-12-09 15:38:21,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 15:38:21,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:38:21,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 15:38:21,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 15:38:21,223 INFO L87 Difference]: Start difference. First operand 894 states and 1134 transitions. Second operand 4 states. [2020-12-09 15:38:23,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:38:23,545 INFO L93 Difference]: Finished difference Result 1281 states and 1695 transitions. [2020-12-09 15:38:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 15:38:23,546 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 206 [2020-12-09 15:38:23,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:38:23,549 INFO L225 Difference]: With dead ends: 1281 [2020-12-09 15:38:23,549 INFO L226 Difference]: Without dead ends: 538 [2020-12-09 15:38:23,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 203 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 15:38:23,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-12-09 15:38:23,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-12-09 15:38:23,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-09 15:38:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 714 transitions. [2020-12-09 15:38:23,562 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 714 transitions. Word has length 206 [2020-12-09 15:38:23,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:38:23,563 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 714 transitions. [2020-12-09 15:38:23,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 15:38:23,563 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 714 transitions. [2020-12-09 15:38:23,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-12-09 15:38:23,566 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:38:23,567 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:38:23,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 15:38:23,767 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:38:23,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:38:23,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1787756235, now seen corresponding path program 1 times [2020-12-09 15:38:23,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:38:23,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285342754] [2020-12-09 15:38:23,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:38:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:38:23,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 15:38:23,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:38:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-12-09 15:38:24,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:38:24,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [285342754] [2020-12-09 15:38:24,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 15:38:24,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 15:38:24,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953905854] [2020-12-09 15:38:24,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:38:24,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:38:24,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:38:24,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 15:38:24,041 INFO L87 Difference]: Start difference. First operand 538 states and 714 transitions. Second operand 3 states. [2020-12-09 15:38:26,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:38:26,980 INFO L93 Difference]: Finished difference Result 1430 states and 1957 transitions. [2020-12-09 15:38:26,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:38:26,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-12-09 15:38:26,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:38:26,985 INFO L225 Difference]: With dead ends: 1430 [2020-12-09 15:38:26,985 INFO L226 Difference]: Without dead ends: 1072 [2020-12-09 15:38:26,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 225 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 15:38:26,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-12-09 15:38:26,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-12-09 15:38:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-12-09 15:38:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1322 transitions. [2020-12-09 15:38:27,001 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1322 transitions. Word has length 227 [2020-12-09 15:38:27,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:38:27,002 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1322 transitions. [2020-12-09 15:38:27,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:38:27,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1322 transitions. [2020-12-09 15:38:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-12-09 15:38:27,005 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:38:27,006 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:38:27,206 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 15:38:27,207 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:38:27,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:38:27,209 INFO L82 PathProgramCache]: Analyzing trace with hash -527424791, now seen corresponding path program 1 times [2020-12-09 15:38:27,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:38:27,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517406709] [2020-12-09 15:38:27,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:38:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:38:27,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 15:38:27,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:38:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 164 proven. 135 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 15:38:27,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:38:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 15:38:28,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1517406709] [2020-12-09 15:38:28,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 15:38:28,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 15:38:28,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025601119] [2020-12-09 15:38:28,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:38:28,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:38:28,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:38:28,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 15:38:28,343 INFO L87 Difference]: Start difference. First operand 1072 states and 1322 transitions. Second operand 3 states. [2020-12-09 15:38:34,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:38:34,908 INFO L93 Difference]: Finished difference Result 2142 states and 2814 transitions. [2020-12-09 15:38:34,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:38:34,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 336 [2020-12-09 15:38:34,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:38:34,914 INFO L225 Difference]: With dead ends: 2142 [2020-12-09 15:38:34,914 INFO L226 Difference]: Without dead ends: 1428 [2020-12-09 15:38:34,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 666 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 15:38:34,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-12-09 15:38:34,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2020-12-09 15:38:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-12-09 15:38:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1768 transitions. [2020-12-09 15:38:34,937 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1768 transitions. Word has length 336 [2020-12-09 15:38:34,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:38:34,938 INFO L481 AbstractCegarLoop]: Abstraction has 1428 states and 1768 transitions. [2020-12-09 15:38:34,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:38:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1768 transitions. [2020-12-09 15:38:34,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2020-12-09 15:38:34,943 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:38:34,943 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:38:35,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 15:38:35,144 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:38:35,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:38:35,144 INFO L82 PathProgramCache]: Analyzing trace with hash 685224267, now seen corresponding path program 1 times [2020-12-09 15:38:35,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:38:35,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809061264] [2020-12-09 15:38:35,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:38:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:38:35,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 15:38:35,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:38:35,716 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 441 proven. 159 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2020-12-09 15:38:35,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:38:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2020-12-09 15:38:36,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809061264] [2020-12-09 15:38:36,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 15:38:36,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 15:38:36,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003177813] [2020-12-09 15:38:36,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:38:36,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:38:36,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:38:36,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 15:38:36,629 INFO L87 Difference]: Start difference. First operand 1428 states and 1768 transitions. Second operand 3 states. [2020-12-09 15:38:42,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:38:42,933 INFO L93 Difference]: Finished difference Result 3210 states and 4153 transitions. [2020-12-09 15:38:42,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:38:42,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 447 [2020-12-09 15:38:42,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:38:42,941 INFO L225 Difference]: With dead ends: 3210 [2020-12-09 15:38:42,941 INFO L226 Difference]: Without dead ends: 2140 [2020-12-09 15:38:42,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 892 GetRequests, 888 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 15:38:42,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-12-09 15:38:42,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-12-09 15:38:42,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-09 15:38:42,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2668 transitions. [2020-12-09 15:38:42,975 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2668 transitions. Word has length 447 [2020-12-09 15:38:42,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:38:42,976 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2668 transitions. [2020-12-09 15:38:42,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:38:42,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2668 transitions. [2020-12-09 15:38:42,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-12-09 15:38:42,980 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:38:42,980 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:38:43,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 15:38:43,181 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:38:43,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:38:43,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1370939869, now seen corresponding path program 1 times [2020-12-09 15:38:43,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:38:43,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894244189] [2020-12-09 15:38:43,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:38:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:38:43,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 15:38:43,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:38:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 400 proven. 277 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-12-09 15:38:43,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:38:45,464 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 648 proven. 29 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-12-09 15:38:45,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894244189] [2020-12-09 15:38:45,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1498486446] [2020-12-09 15:38:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:38:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:38:45,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 15:38:45,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:38:46,063 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:38:46,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:38:46,065 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:38:46,069 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:38:46,072 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:38:46,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:38:46,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:38:46,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:38:46,080 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:38:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 457 proven. 50 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-12-09 15:38:46,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:38:46,583 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 15:38:46,583 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 15:38:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 483 proven. 24 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2020-12-09 15:38:46,919 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961931266] [2020-12-09 15:38:46,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 15:38:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:38:47,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:38:47,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:38:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 368 proven. 144 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 15:38:47,604 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:38:48,106 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 368 proven. 144 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 15:38:48,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 15:38:48,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 7, 7, 4, 4] total 18 [2020-12-09 15:38:48,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122857818] [2020-12-09 15:38:48,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-09 15:38:48,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:38:48,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-09 15:38:48,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2020-12-09 15:38:48,110 INFO L87 Difference]: Start difference. First operand 2140 states and 2668 transitions. Second operand 18 states. [2020-12-09 15:38:50,087 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 15:38:51,844 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 15:39:03,050 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 15:39:03,709 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 15:39:21,063 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 15:39:24,943 WARN L197 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-12-09 15:39:25,960 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2020-12-09 15:39:52,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:39:52,198 INFO L93 Difference]: Finished difference Result 5963 states and 7559 transitions. [2020-12-09 15:39:52,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-09 15:39:52,202 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 463 [2020-12-09 15:39:52,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:39:52,214 INFO L225 Difference]: With dead ends: 5963 [2020-12-09 15:39:52,214 INFO L226 Difference]: Without dead ends: 3922 [2020-12-09 15:39:52,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2789 GetRequests, 2759 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2020-12-09 15:39:52,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3922 states. [2020-12-09 15:39:52,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3922 to 3564. [2020-12-09 15:39:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-12-09 15:39:52,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3865 transitions. [2020-12-09 15:39:52,282 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3865 transitions. Word has length 463 [2020-12-09 15:39:52,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:39:52,282 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 3865 transitions. [2020-12-09 15:39:52,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-09 15:39:52,282 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3865 transitions. [2020-12-09 15:39:52,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 712 [2020-12-09 15:39:52,289 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:39:52,289 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:39:52,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 15:39:52,893 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:39:52,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:39:52,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1420710483, now seen corresponding path program 1 times [2020-12-09 15:39:52,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:39:52,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928777389] [2020-12-09 15:39:52,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-12-09 15:39:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:39:53,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 15:39:53,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:39:55,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 274 proven. 898 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-09 15:39:55,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:39:56,820 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 15:39:56,820 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 15:39:59,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 904 proven. 268 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-09 15:39:59,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928777389] [2020-12-09 15:39:59,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [618934742] [2020-12-09 15:39:59,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt [2020-12-09 15:40:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:40:00,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 15:40:00,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:40:00,584 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:40:00,584 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:40:00,585 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:40:00,589 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:40:00,592 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:40:00,592 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:40:00,596 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:40:00,598 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:40:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-12-09 15:40:00,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:40:00,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 15:40:00,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 10] total 24 [2020-12-09 15:40:00,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77036065] [2020-12-09 15:40:00,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 15:40:00,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:40:00,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 15:40:00,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-12-09 15:40:00,975 INFO L87 Difference]: Start difference. First operand 3564 states and 3865 transitions. Second operand 7 states. [2020-12-09 15:40:04,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:40:04,864 INFO L93 Difference]: Finished difference Result 8624 states and 9606 transitions. [2020-12-09 15:40:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 15:40:04,864 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 711 [2020-12-09 15:40:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:40:04,883 INFO L225 Difference]: With dead ends: 8624 [2020-12-09 15:40:04,883 INFO L226 Difference]: Without dead ends: 5774 [2020-12-09 15:40:04,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2132 GetRequests, 2098 SyntacticMatches, 11 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=180, Invalid=420, Unknown=0, NotChecked=0, Total=600 [2020-12-09 15:40:04,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5774 states. [2020-12-09 15:40:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5774 to 5344. [2020-12-09 15:40:04,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2020-12-09 15:40:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5872 transitions. [2020-12-09 15:40:04,948 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5872 transitions. Word has length 711 [2020-12-09 15:40:04,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:40:04,949 INFO L481 AbstractCegarLoop]: Abstraction has 5344 states and 5872 transitions. [2020-12-09 15:40:04,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 15:40:04,949 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5872 transitions. [2020-12-09 15:40:04,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 794 [2020-12-09 15:40:04,955 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:40:04,956 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:40:05,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 cvc4 --incremental --print-success --lang smt,12 mathsat -unsat_core_generation=3 [2020-12-09 15:40:05,358 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:40:05,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:40:05,360 INFO L82 PathProgramCache]: Analyzing trace with hash 1823211339, now seen corresponding path program 1 times [2020-12-09 15:40:05,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:40:05,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1272009164] [2020-12-09 15:40:05,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:40:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:40:05,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 15:40:05,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:40:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 683 proven. 898 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-12-09 15:40:08,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:40:09,489 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-09 15:40:09,738 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 15:40:09,738 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 15:40:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 1313 proven. 268 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-12-09 15:40:13,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1272009164] [2020-12-09 15:40:13,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1862271743] [2020-12-09 15:40:13,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt [2020-12-09 15:40:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:40:13,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 15:40:13,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:40:14,252 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:40:14,252 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:40:14,253 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:40:14,255 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:40:14,257 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:40:14,258 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:40:14,260 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:40:14,262 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:40:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-12-09 15:40:14,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:40:14,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 15:40:14,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 10] total 24 [2020-12-09 15:40:14,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135162548] [2020-12-09 15:40:14,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 15:40:14,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:40:14,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 15:40:14,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-12-09 15:40:14,700 INFO L87 Difference]: Start difference. First operand 5344 states and 5872 transitions. Second operand 7 states. [2020-12-09 15:40:17,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:40:17,979 INFO L93 Difference]: Finished difference Result 13010 states and 14324 transitions. [2020-12-09 15:40:17,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 15:40:17,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 793 [2020-12-09 15:40:17,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:40:18,005 INFO L225 Difference]: With dead ends: 13010 [2020-12-09 15:40:18,005 INFO L226 Difference]: Without dead ends: 7846 [2020-12-09 15:40:18,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2378 GetRequests, 2327 SyntacticMatches, 28 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2020-12-09 15:40:18,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7846 states. [2020-12-09 15:40:18,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7846 to 6412. [2020-12-09 15:40:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6412 states. [2020-12-09 15:40:18,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6412 states to 6412 states and 6942 transitions. [2020-12-09 15:40:18,091 INFO L78 Accepts]: Start accepts. Automaton has 6412 states and 6942 transitions. Word has length 793 [2020-12-09 15:40:18,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:40:18,091 INFO L481 AbstractCegarLoop]: Abstraction has 6412 states and 6942 transitions. [2020-12-09 15:40:18,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 15:40:18,092 INFO L276 IsEmpty]: Start isEmpty. Operand 6412 states and 6942 transitions. [2020-12-09 15:40:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2020-12-09 15:40:18,100 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:40:18,100 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 15:40:18,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3,15 cvc4 --incremental --print-success --lang smt [2020-12-09 15:40:18,502 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:40:18,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:40:18,504 INFO L82 PathProgramCache]: Analyzing trace with hash 585616691, now seen corresponding path program 1 times [2020-12-09 15:40:18,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:40:18,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595241615] [2020-12-09 15:40:18,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:40:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:40:18,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 15:40:18,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:40:19,954 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-12-09 15:40:20,140 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-12-09 15:40:20,192 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 6, 1] term [2020-12-09 15:40:20,193 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 7 disjuncts [2020-12-09 15:40:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 329 proven. 1545 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-12-09 15:40:22,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:40:23,684 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 15:40:23,684 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 15:40:26,912 WARN L197 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 18 DAG size of output: 3 [2020-12-09 15:40:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 985 proven. 889 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2020-12-09 15:40:29,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1595241615] [2020-12-09 15:40:29,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [745038305] [2020-12-09 15:40:29,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:40:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:40:29,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 15:40:29,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:40:30,701 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 36 [2020-12-09 15:40:30,862 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:40:30,862 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:40:30,863 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:40:30,866 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 15:40:30,869 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:40:30,871 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 15:40:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 923 proven. 55 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-12-09 15:40:32,124 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:40:32,719 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-09 15:40:32,734 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 15:40:32,734 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 15:40:32,734 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 15:40:32,736 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 15:40:32,737 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 15:40:32,737 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 15:40:32,739 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 15:40:33,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 923 proven. 55 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-12-09 15:40:33,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843503633] [2020-12-09 15:40:33,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 15:40:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:40:34,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 15:40:34,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:40:34,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2020-12-09 15:40:34,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:40:34,877 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 15:40:34,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11, 11, 9, 9] total 34 [2020-12-09 15:40:34,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223355091] [2020-12-09 15:40:34,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:40:34,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:40:34,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:40:34,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=803, Unknown=0, NotChecked=0, Total=1122 [2020-12-09 15:40:34,880 INFO L87 Difference]: Start difference. First operand 6412 states and 6942 transitions. Second operand 3 states. [2020-12-09 15:40:39,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:40:39,821 INFO L93 Difference]: Finished difference Result 13356 states and 14554 transitions. [2020-12-09 15:40:39,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:40:39,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 882 [2020-12-09 15:40:39,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:40:39,845 INFO L225 Difference]: With dead ends: 13356 [2020-12-09 15:40:39,845 INFO L226 Difference]: Without dead ends: 7836 [2020-12-09 15:40:39,849 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4405 GetRequests, 4355 SyntacticMatches, 18 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=319, Invalid=803, Unknown=0, NotChecked=0, Total=1122 [2020-12-09 15:40:39,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7836 states. [2020-12-09 15:40:39,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7836 to 7658. [2020-12-09 15:40:39,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7658 states. [2020-12-09 15:40:39,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7658 states to 7658 states and 8261 transitions. [2020-12-09 15:40:39,917 INFO L78 Accepts]: Start accepts. Automaton has 7658 states and 8261 transitions. Word has length 882 [2020-12-09 15:40:39,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:40:39,918 INFO L481 AbstractCegarLoop]: Abstraction has 7658 states and 8261 transitions. [2020-12-09 15:40:39,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:40:39,918 INFO L276 IsEmpty]: Start isEmpty. Operand 7658 states and 8261 transitions. [2020-12-09 15:40:39,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 992 [2020-12-09 15:40:39,928 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:40:39,928 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:40:40,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 cvc4 --incremental --print-success --lang smt [2020-12-09 15:40:40,531 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:40:40,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:40:40,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1843390325, now seen corresponding path program 1 times [2020-12-09 15:40:40,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:40:40,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372597302] [2020-12-09 15:40:40,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2020-12-09 15:40:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:40:40,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 15:40:40,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:40:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3077 backedges. 1843 proven. 420 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2020-12-09 15:40:44,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:40:45,371 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 1] term [2020-12-09 15:40:45,371 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 15:40:48,260 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 19 DAG size of output: 7 [2020-12-09 15:40:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3077 backedges. 2263 proven. 0 refuted. 0 times theorem prover too weak. 814 trivial. 0 not checked. [2020-12-09 15:40:51,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372597302] [2020-12-09 15:40:51,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 15:40:51,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 19 [2020-12-09 15:40:51,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241711224] [2020-12-09 15:40:51,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 15:40:51,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:40:51,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 15:40:51,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=234, Unknown=0, NotChecked=0, Total=380 [2020-12-09 15:40:51,068 INFO L87 Difference]: Start difference. First operand 7658 states and 8261 transitions. Second operand 11 states. [2020-12-09 15:40:54,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:40:54,727 INFO L93 Difference]: Finished difference Result 14752 states and 15953 transitions. [2020-12-09 15:40:54,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 15:40:54,729 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 991 [2020-12-09 15:40:54,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:40:54,737 INFO L225 Difference]: With dead ends: 14752 [2020-12-09 15:40:54,737 INFO L226 Difference]: Without dead ends: 7612 [2020-12-09 15:40:54,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1980 GetRequests, 1923 SyntacticMatches, 39 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=146, Invalid=234, Unknown=0, NotChecked=0, Total=380 [2020-12-09 15:40:54,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7612 states. [2020-12-09 15:40:54,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7612 to 7101. [2020-12-09 15:40:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7101 states. [2020-12-09 15:40:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7101 states to 7101 states and 7693 transitions. [2020-12-09 15:40:54,803 INFO L78 Accepts]: Start accepts. Automaton has 7101 states and 7693 transitions. Word has length 991 [2020-12-09 15:40:54,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:40:54,803 INFO L481 AbstractCegarLoop]: Abstraction has 7101 states and 7693 transitions. [2020-12-09 15:40:54,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 15:40:54,803 INFO L276 IsEmpty]: Start isEmpty. Operand 7101 states and 7693 transitions. [2020-12-09 15:40:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1069 [2020-12-09 15:40:54,814 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:40:54,814 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, 9, 9, 9, 9, 9, 9, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:40:55,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 mathsat -unsat_core_generation=3 [2020-12-09 15:40:55,016 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:40:55,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:40:55,018 INFO L82 PathProgramCache]: Analyzing trace with hash 2022978308, now seen corresponding path program 1 times [2020-12-09 15:40:55,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:40:55,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1007353581] [2020-12-09 15:40:55,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:40:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:40:55,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:40:55,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:40:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3740 backedges. 1216 proven. 2098 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2020-12-09 15:40:56,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:40:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3740 backedges. 2666 proven. 75 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2020-12-09 15:40:58,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1007353581] [2020-12-09 15:40:58,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1960612997] [2020-12-09 15:40:58,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:40:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:40:59,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 15:40:59,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:41:00,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3740 backedges. 1271 proven. 0 refuted. 0 times theorem prover too weak. 2469 trivial. 0 not checked. [2020-12-09 15:41:00,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:41:00,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 15:41:00,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 5] total 11 [2020-12-09 15:41:00,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672432111] [2020-12-09 15:41:00,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 15:41:00,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:41:00,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 15:41:00,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-09 15:41:00,161 INFO L87 Difference]: Start difference. First operand 7101 states and 7693 transitions. Second operand 3 states. [2020-12-09 15:41:02,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:41:02,442 INFO L93 Difference]: Finished difference Result 14200 states and 15457 transitions. [2020-12-09 15:41:02,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 15:41:02,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1068 [2020-12-09 15:41:02,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:41:02,452 INFO L225 Difference]: With dead ends: 14200 [2020-12-09 15:41:02,452 INFO L226 Difference]: Without dead ends: 7457 [2020-12-09 15:41:02,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3201 GetRequests, 3190 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-09 15:41:02,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7457 states. [2020-12-09 15:41:02,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7457 to 7279. [2020-12-09 15:41:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7279 states. [2020-12-09 15:41:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7279 states to 7279 states and 7848 transitions. [2020-12-09 15:41:02,523 INFO L78 Accepts]: Start accepts. Automaton has 7279 states and 7848 transitions. Word has length 1068 [2020-12-09 15:41:02,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:41:02,524 INFO L481 AbstractCegarLoop]: Abstraction has 7279 states and 7848 transitions. [2020-12-09 15:41:02,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 15:41:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 7279 states and 7848 transitions. [2020-12-09 15:41:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1076 [2020-12-09 15:41:02,535 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:41:02,535 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:41:02,936 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 15:41:02,938 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:41:02,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:41:02,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1165165762, now seen corresponding path program 1 times [2020-12-09 15:41:02,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:41:02,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472712514] [2020-12-09 15:41:02,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:41:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:41:03,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:41:03,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:41:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1223 proven. 2135 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2020-12-09 15:41:04,677 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:41:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 2703 proven. 82 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2020-12-09 15:41:06,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472712514] [2020-12-09 15:41:06,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [242921599] [2020-12-09 15:41:06,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:41:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:41:06,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 15:41:07,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:41:07,618 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:41:07,618 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 15:41:07,619 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:41:07,622 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 15:41:07,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 15:41:07,627 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 15:41:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1223 proven. 47 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2020-12-09 15:41:08,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:41:08,775 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 15:41:08,776 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 15:41:09,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1258 proven. 12 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2020-12-09 15:41:09,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505007366] [2020-12-09 15:41:09,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:41:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:41:10,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-09 15:41:10,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:41:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1256 proven. 22 refuted. 0 times theorem prover too weak. 2506 trivial. 0 not checked. [2020-12-09 15:41:12,233 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:41:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1278 proven. 0 refuted. 0 times theorem prover too weak. 2506 trivial. 0 not checked. [2020-12-09 15:41:13,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2020-12-09 15:41:13,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5, 7, 7, 7] total 27 [2020-12-09 15:41:13,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962102042] [2020-12-09 15:41:13,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 15:41:13,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:41:13,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 15:41:13,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=548, Unknown=0, NotChecked=0, Total=702 [2020-12-09 15:41:13,721 INFO L87 Difference]: Start difference. First operand 7279 states and 7848 transitions. Second operand 5 states. [2020-12-09 15:41:16,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:41:16,299 INFO L93 Difference]: Finished difference Result 15491 states and 16747 transitions. [2020-12-09 15:41:16,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 15:41:16,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1075 [2020-12-09 15:41:16,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:41:16,307 INFO L225 Difference]: With dead ends: 15491 [2020-12-09 15:41:16,308 INFO L226 Difference]: Without dead ends: 8570 [2020-12-09 15:41:16,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6446 GetRequests, 6418 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2020-12-09 15:41:16,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8570 states. [2020-12-09 15:41:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8570 to 7813. [2020-12-09 15:41:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7813 states. [2020-12-09 15:41:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7813 states to 7813 states and 8197 transitions. [2020-12-09 15:41:16,387 INFO L78 Accepts]: Start accepts. Automaton has 7813 states and 8197 transitions. Word has length 1075 [2020-12-09 15:41:16,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:41:16,388 INFO L481 AbstractCegarLoop]: Abstraction has 7813 states and 8197 transitions. [2020-12-09 15:41:16,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 15:41:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 7813 states and 8197 transitions. [2020-12-09 15:41:16,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1094 [2020-12-09 15:41:16,399 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:41:16,400 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, 9, 9, 9, 9, 9, 9, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:41:17,001 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 15:41:17,002 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:41:17,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:41:17,004 INFO L82 PathProgramCache]: Analyzing trace with hash 1168039199, now seen corresponding path program 1 times [2020-12-09 15:41:17,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:41:17,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179534394] [2020-12-09 15:41:17,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:41:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:41:17,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:41:17,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:41:18,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3790 backedges. 1266 proven. 2098 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2020-12-09 15:41:18,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:41:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3790 backedges. 2716 proven. 75 refuted. 0 times theorem prover too weak. 999 trivial. 0 not checked. [2020-12-09 15:41:20,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1179534394] [2020-12-09 15:41:20,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1487073541] [2020-12-09 15:41:20,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:41:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:41:21,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1208 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 15:41:21,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:41:22,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3790 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 3296 trivial. 0 not checked. [2020-12-09 15:41:22,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 15:41:22,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 15:41:22,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 12 [2020-12-09 15:41:22,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745472138] [2020-12-09 15:41:22,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 15:41:22,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:41:22,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 15:41:22,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-12-09 15:41:22,305 INFO L87 Difference]: Start difference. First operand 7813 states and 8197 transitions. Second operand 4 states. [2020-12-09 15:41:25,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:41:25,775 INFO L93 Difference]: Finished difference Result 16166 states and 16974 transitions. [2020-12-09 15:41:25,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 15:41:25,780 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1093 [2020-12-09 15:41:25,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:41:25,789 INFO L225 Difference]: With dead ends: 16166 [2020-12-09 15:41:25,789 INFO L226 Difference]: Without dead ends: 8711 [2020-12-09 15:41:25,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3278 GetRequests, 3266 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-12-09 15:41:25,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8711 states. [2020-12-09 15:41:25,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8711 to 7279. [2020-12-09 15:41:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7279 states. [2020-12-09 15:41:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7279 states to 7279 states and 7613 transitions. [2020-12-09 15:41:25,859 INFO L78 Accepts]: Start accepts. Automaton has 7279 states and 7613 transitions. Word has length 1093 [2020-12-09 15:41:25,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:41:25,860 INFO L481 AbstractCegarLoop]: Abstraction has 7279 states and 7613 transitions. [2020-12-09 15:41:25,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 15:41:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 7279 states and 7613 transitions. [2020-12-09 15:41:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1117 [2020-12-09 15:41:25,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 15:41:25,872 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:41:26,273 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 15:41:26,274 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 15:41:26,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 15:41:26,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1857606004, now seen corresponding path program 1 times [2020-12-09 15:41:26,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 15:41:26,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588544071] [2020-12-09 15:41:26,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:41:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:41:26,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 1233 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-09 15:41:26,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:41:27,910 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-09 15:41:27,922 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[7, 6, 1] term [2020-12-09 15:41:27,923 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 7 disjuncts [2020-12-09 15:41:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3977 backedges. 1446 proven. 2295 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-12-09 15:41:30,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:41:31,413 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 3, 1] term [2020-12-09 15:41:31,413 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 15:41:34,949 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 3 [2020-12-09 15:41:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3977 backedges. 3192 proven. 186 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2020-12-09 15:41:37,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588544071] [2020-12-09 15:41:37,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2116698286] [2020-12-09 15:41:37,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:41:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:41:38,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 1233 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:41:38,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:41:41,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3977 backedges. 2496 proven. 123 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-12-09 15:41:41,664 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:41:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3977 backedges. 2496 proven. 123 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-12-09 15:41:43,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492427273] [2020-12-09 15:41:43,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/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 15:41:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 15:41:43,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 1233 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 15:41:43,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 15:41:46,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3977 backedges. 2496 proven. 123 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-12-09 15:41:46,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 15:41:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3977 backedges. 2496 proven. 123 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2020-12-09 15:41:47,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 15:41:47,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 4, 4, 4, 4] total 29 [2020-12-09 15:41:47,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71753178] [2020-12-09 15:41:47,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-12-09 15:41:47,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 15:41:47,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-12-09 15:41:47,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2020-12-09 15:41:47,929 INFO L87 Difference]: Start difference. First operand 7279 states and 7613 transitions. Second operand 29 states. [2020-12-09 15:41:48,212 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-09 15:42:07,677 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-12-09 15:42:12,441 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2020-12-09 15:42:15,923 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-12-09 15:42:20,502 WARN L197 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 15:42:21,570 WARN L197 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 15:42:23,906 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 15:42:25,256 WARN L197 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 15:42:26,658 WARN L197 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2020-12-09 15:42:27,551 WARN L197 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2020-12-09 15:42:33,292 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2020-12-09 15:42:39,697 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-12-09 15:42:43,921 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-12-09 15:42:44,261 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-12-09 15:42:44,811 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-12-09 15:42:45,076 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-12-09 15:42:46,579 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-12-09 15:42:47,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 15:42:47,626 INFO L93 Difference]: Finished difference Result 16251 states and 17020 transitions. [2020-12-09 15:42:47,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-12-09 15:42:47,626 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 1116 [2020-12-09 15:42:47,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 15:42:47,627 INFO L225 Difference]: With dead ends: 16251 [2020-12-09 15:42:47,627 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 15:42:47,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6733 GetRequests, 6673 SyntacticMatches, 6 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=762, Invalid=2318, Unknown=0, NotChecked=0, Total=3080 [2020-12-09 15:42:47,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 15:42:47,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 15:42:47,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 15:42:47,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 15:42:47,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1116 [2020-12-09 15:42:47,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 15:42:47,636 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 15:42:47,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-12-09 15:42:47,637 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 15:42:47,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 15:42:48,238 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 15:42:48,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 15:42:48,546 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 229 [2020-12-09 15:42:48,746 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 229 [2020-12-09 15:42:53,556 WARN L197 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 209 DAG size of output: 85 [2020-12-09 15:42:58,285 WARN L197 SmtUtils]: Spent 4.73 s on a formula simplification. DAG size of input: 209 DAG size of output: 81 [2020-12-09 15:42:58,287 INFO L262 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,288 INFO L262 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-09 15:42:58,289 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 15:42:58,290 INFO L262 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-09 15:42:58,291 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-09 15:42:58,292 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-09 15:42:58,293 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 15:42:58,294 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,295 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-09 15:42:58,296 INFO L262 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-09 15:42:58,297 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L258 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse9 (not (bvslt (_ bv11 32) ~a12~0))) (.cse14 (bvsge (_ bv80 32) ~a12~0)) (.cse0 (= (_ bv1 32) ~a24~0)) (.cse16 (bvsle ~a12~0 (_ bv4294967253 32))) (.cse15 (= (_ bv7 32) ~a21~0)) (.cse2 (= (_ bv9 32) ~a21~0)) (.cse12 (= (_ bv8 32) ~a21~0))) (let ((.cse7 (= (_ bv5 32) ~a15~0)) (.cse10 (bvsle (bvmul (bvsdiv (bvadd ~a12~0 (_ bv4294438260 32)) (_ bv5 32)) (_ bv5 32)) (_ bv4294967253 32))) (.cse13 (let ((.cse17 (or .cse15 .cse2 .cse12))) (or (and .cse0 .cse17 .cse16 (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967292 32)) (_ bv0 32))) (and .cse0 .cse17 .cse16 (= ULTIMATE.start_calculate_output_~input (_ bv5 32))) (and .cse0 .cse17 .cse16 (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967293 32)) (_ bv0 32))) (and .cse0 .cse17 .cse16 (= ULTIMATE.start_calculate_output_~input (_ bv1 32))) (and .cse0 .cse17 .cse16 (= ULTIMATE.start_calculate_output_~input (_ bv6 32))) (and .cse0 .cse17 .cse16 (= ULTIMATE.start_calculate_output_~input (_ bv2 32)))))) (.cse3 (not (= (_ bv7 32) ~a15~0))) (.cse4 (or .cse9 (not .cse14))) (.cse5 (not .cse16)) (.cse6 (or (not (bvsge (_ bv11 32) ~a12~0)) (not (bvslt (_ bv4294967253 32) ~a12~0)))) (.cse11 (not (= (_ bv9 32) ~a15~0))) (.cse1 (bvsle (bvadd ~a12~0 (_ bv4294367247 32)) (_ bv4294967253 32))) (.cse8 (= (_ bv6 32) ~a21~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8) (and .cse7 .cse9 .cse8 .cse6) (and .cse0 .cse1 (= (_ bv10 32) ~a21~0) .cse4) (and .cse0 .cse4 .cse5 .cse10 .cse8 .cse6) (and .cse11 .cse0 .cse1 .cse12) (and .cse0 .cse2 .cse4 .cse5 .cse10 .cse6) (and .cse11 .cse1 .cse13) (and .cse1 .cse13 .cse12) (and .cse11 .cse0 .cse14 .cse5) (and .cse0 .cse1 .cse5 .cse12) (and .cse0 .cse15 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse11 .cse1 .cse8)))) [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,298 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,299 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse9 (not (bvslt (_ bv11 32) ~a12~0))) (.cse15 (bvsge (_ bv80 32) ~a12~0)) (.cse0 (= (_ bv1 32) ~a24~0)) (.cse16 (bvsle ~a12~0 (_ bv4294967253 32))) (.cse10 (= (_ bv7 32) ~a21~0)) (.cse2 (= (_ bv9 32) ~a21~0)) (.cse13 (= (_ bv8 32) ~a21~0))) (let ((.cse7 (= (_ bv5 32) ~a15~0)) (.cse11 (bvsle (bvmul (bvsdiv (bvadd ~a12~0 (_ bv4294438260 32)) (_ bv5 32)) (_ bv5 32)) (_ bv4294967253 32))) (.cse14 (let ((.cse17 (or .cse10 .cse2 .cse13))) (or (and .cse0 .cse17 .cse16 (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967292 32)) (_ bv0 32))) (and .cse0 .cse17 .cse16 (= ULTIMATE.start_calculate_output_~input (_ bv5 32))) (and .cse0 .cse17 .cse16 (= (bvadd ULTIMATE.start_calculate_output_~input (_ bv4294967293 32)) (_ bv0 32))) (and .cse0 .cse17 .cse16 (= ULTIMATE.start_calculate_output_~input (_ bv1 32))) (and .cse0 .cse17 .cse16 (= ULTIMATE.start_calculate_output_~input (_ bv6 32))) (and .cse0 .cse17 .cse16 (= ULTIMATE.start_calculate_output_~input (_ bv2 32)))))) (.cse3 (not (= (_ bv7 32) ~a15~0))) (.cse4 (or .cse9 (not .cse15))) (.cse5 (not .cse16)) (.cse6 (or (not (bvsge (_ bv11 32) ~a12~0)) (not (bvslt (_ bv4294967253 32) ~a12~0)))) (.cse12 (not (= (_ bv9 32) ~a15~0))) (.cse1 (bvsle (bvadd ~a12~0 (_ bv4294367247 32)) (_ bv4294967253 32))) (.cse8 (= (_ bv6 32) ~a21~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8) (and .cse7 .cse9 .cse8 .cse6) (and .cse0 .cse1 (= (_ bv10 32) ~a21~0) .cse4) (and .cse0 .cse10 (= ~a12~0 (_ bv4294967247 32)) (= (_ bv8 32) ~a15~0)) (and .cse0 .cse4 .cse5 .cse11 .cse8 .cse6) (and .cse12 .cse0 .cse1 .cse13) (and .cse0 .cse2 .cse4 .cse5 .cse11 .cse6) (and .cse12 .cse1 .cse14) (and .cse1 .cse14 .cse13) (and .cse12 .cse0 .cse15 .cse5) (and .cse0 .cse1 .cse5 .cse13) (and .cse0 .cse10 .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse12 .cse1 .cse8)))) [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,300 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 15:42:58,301 INFO L262 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-09 15:42:58,301 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 15:42:58,301 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 15:42:58,301 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 15:42:58,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:42:58 BoogieIcfgContainer [2020-12-09 15:42:58,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 15:42:58,327 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 15:42:58,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 15:42:58,327 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 15:42:58,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:38:10" (3/4) ... [2020-12-09 15:42:58,330 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 15:42:58,347 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 15:42:58,348 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 15:42:58,350 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 15:42:58,351 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 15:42:58,436 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f8764a00-6981-4475-9c78-00633de0ec7c/bin/utaipan/witness.graphml [2020-12-09 15:42:58,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 15:42:58,437 INFO L168 Benchmark]: Toolchain (without parser) took 290657.87 ms. Allocated memory was 62.9 MB in the beginning and 1.0 GB in the end (delta: 941.6 MB). Free memory was 42.1 MB in the beginning and 366.8 MB in the end (delta: -324.7 MB). Peak memory consumption was 615.3 MB. Max. memory is 16.1 GB. [2020-12-09 15:42:58,437 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 62.9 MB. Free memory was 46.1 MB in the beginning and 46.0 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 15:42:58,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 543.97 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 42.1 MB in the beginning and 55.8 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-12-09 15:42:58,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.77 ms. Allocated memory is still 90.2 MB. Free memory was 55.8 MB in the beginning and 68.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-12-09 15:42:58,438 INFO L168 Benchmark]: Boogie Preprocessor took 70.43 ms. Allocated memory is still 90.2 MB. Free memory was 68.1 MB in the beginning and 62.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 15:42:58,438 INFO L168 Benchmark]: RCFGBuilder took 2470.27 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 62.6 MB in the beginning and 91.5 MB in the end (delta: -29.0 MB). Peak memory consumption was 51.4 MB. Max. memory is 16.1 GB. [2020-12-09 15:42:58,438 INFO L168 Benchmark]: TraceAbstraction took 287390.90 ms. Allocated memory was 125.8 MB in the beginning and 1.0 GB in the end (delta: 878.7 MB). Free memory was 91.5 MB in the beginning and 386.7 MB in the end (delta: -295.2 MB). Peak memory consumption was 715.6 MB. Max. memory is 16.1 GB. [2020-12-09 15:42:58,438 INFO L168 Benchmark]: Witness Printer took 108.79 ms. Allocated memory is still 1.0 GB. Free memory was 386.7 MB in the beginning and 366.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-09 15:42:58,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 62.9 MB. Free memory was 46.1 MB in the beginning and 46.0 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 543.97 ms. Allocated memory was 62.9 MB in the beginning and 90.2 MB in the end (delta: 27.3 MB). Free memory was 42.1 MB in the beginning and 55.8 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.77 ms. Allocated memory is still 90.2 MB. Free memory was 55.8 MB in the beginning and 68.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.43 ms. Allocated memory is still 90.2 MB. Free memory was 68.1 MB in the beginning and 62.6 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2470.27 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 62.6 MB in the beginning and 91.5 MB in the end (delta: -29.0 MB). Peak memory consumption was 51.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 287390.90 ms. Allocated memory was 125.8 MB in the beginning and 1.0 GB in the end (delta: 878.7 MB). Free memory was 91.5 MB in the beginning and 386.7 MB in the end (delta: -295.2 MB). Peak memory consumption was 715.6 MB. Max. memory is 16.1 GB. * Witness Printer took 108.79 ms. Allocated memory is still 1.0 GB. Free memory was 386.7 MB in the beginning and 366.8 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: 185]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((((((((((((((((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 9bv32 == a21) && !(7bv32 == a15)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12))) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || (((5bv32 == a15 && !~bvslt32(11bv32, a12)) && 6bv32 == a21) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 10bv32 == a21) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12)))) || (((1bv32 == a24 && 7bv32 == a21) && a12 == 4294967247bv32) && 8bv32 == a15)) || (((((1bv32 == a24 && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && !~bvsle32(a12, 4294967253bv32)) && ~bvsle32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294438260bv32), 5bv32), 5bv32), 4294967253bv32)) && 6bv32 == a21) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (((!(9bv32 == a15) && 1bv32 == a24) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 8bv32 == a21)) || (((((1bv32 == a24 && 9bv32 == a21) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && !~bvsle32(a12, 4294967253bv32)) && ~bvsle32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294438260bv32), 5bv32), 5bv32), 4294967253bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((!(9bv32 == a15) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ((((((((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && ~bvadd64(input, 4294967292bv32) == 0bv32) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 5bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && ~bvadd64(input, 4294967293bv32) == 0bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 1bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 6bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 2bv32)))) || ((~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32) && ((((((((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && ~bvadd64(input, 4294967292bv32) == 0bv32) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 5bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && ~bvadd64(input, 4294967293bv32) == 0bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 1bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 6bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 2bv32))) && 8bv32 == a21)) || (((!(9bv32 == a15) && 1bv32 == a24) && ~bvsge32(80bv32, a12)) && !~bvsle32(a12, 4294967253bv32))) || (((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && !~bvsle32(a12, 4294967253bv32)) && 8bv32 == a21)) || ((((((1bv32 == a24 && 7bv32 == a21) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && !(7bv32 == a15)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (((1bv32 == a24 && !(9bv32 == a15)) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 6bv32 == a21) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((((((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 9bv32 == a21) && !(7bv32 == a15)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12))) || ((1bv32 == a24 && 5bv32 == a15) && 6bv32 == a21)) || (((5bv32 == a15 && !~bvslt32(11bv32, a12)) && 6bv32 == a21) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 10bv32 == a21) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12)))) || (((((1bv32 == a24 && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && !~bvsle32(a12, 4294967253bv32)) && ~bvsle32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294438260bv32), 5bv32), 5bv32), 4294967253bv32)) && 6bv32 == a21) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (((!(9bv32 == a15) && 1bv32 == a24) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 8bv32 == a21)) || (((((1bv32 == a24 && 9bv32 == a21) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && !~bvsle32(a12, 4294967253bv32)) && ~bvsle32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294438260bv32), 5bv32), 5bv32), 4294967253bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || ((!(9bv32 == a15) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && ((((((((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && ~bvadd64(input, 4294967292bv32) == 0bv32) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 5bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && ~bvadd64(input, 4294967293bv32) == 0bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 1bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 6bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 2bv32)))) || ((~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32) && ((((((((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && ~bvadd64(input, 4294967292bv32) == 0bv32) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 5bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && ~bvadd64(input, 4294967293bv32) == 0bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 1bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 6bv32)) || (((1bv32 == a24 && ((7bv32 == a21 || 9bv32 == a21) || 8bv32 == a21)) && ~bvsle32(a12, 4294967253bv32)) && input == 2bv32))) && 8bv32 == a21)) || (((!(9bv32 == a15) && 1bv32 == a24) && ~bvsge32(80bv32, a12)) && !~bvsle32(a12, 4294967253bv32))) || (((1bv32 == a24 && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && !~bvsle32(a12, 4294967253bv32)) && 8bv32 == a21)) || ((((((1bv32 == a24 && 7bv32 == a21) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && !(7bv32 == a15)) && (!~bvslt32(11bv32, a12) || !~bvsge32(80bv32, a12))) && !~bvsle32(a12, 4294967253bv32)) && (!~bvsge32(11bv32, a12) || !~bvslt32(4294967253bv32, a12)))) || (((1bv32 == a24 && !(9bv32 == a15)) && ~bvsle32(~bvadd64(a12, 4294367247bv32), 4294967253bv32)) && 6bv32 == a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 277.2s, OverallIterations: 16, TraceHistogramMax: 10, AutomataDifference: 174.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1272 SDtfs, 10503 SDslu, 433 SDs, 0 SdLazy, 27615 SolverSat, 2474 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 147.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35637 GetRequests, 35290 SyntacticMatches, 112 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1937 ImplicationChecksByTransitivity, 35.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7813occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 5278 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 130 NumberOfFragments, 1086 HoareAnnotationTreeSize, 3 FomulaSimplifications, 12557 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8409 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 88.1s InterpolantComputationTime, 20450 NumberOfCodeBlocks, 20450 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 35569 ConstructedInterpolants, 596 QuantifiedInterpolants, 223270115 SizeOfPredicates, 93 NumberOfNonLiveVariables, 22923 ConjunctsInSsa, 202 ConjunctsInUnsatCore, 46 InterpolantComputations, 14 PerfectInterpolantSequences, 87250/103125 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...