./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label35.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_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label35.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 e03efc96f2a4a450d6a8b193daa3062f59a028d8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label35.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 e03efc96f2a4a450d6a8b193daa3062f59a028d8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:31:23,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 17:31:23,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 17:31:23,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 17:31:23,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 17:31:23,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 17:31:23,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 17:31:23,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 17:31:23,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 17:31:23,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 17:31:23,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 17:31:23,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 17:31:23,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 17:31:23,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 17:31:23,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 17:31:23,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 17:31:23,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 17:31:23,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 17:31:23,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 17:31:23,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 17:31:23,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 17:31:23,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 17:31:23,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 17:31:23,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 17:31:23,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 17:31:23,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 17:31:23,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 17:31:23,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 17:31:23,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 17:31:23,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 17:31:23,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 17:31:23,159 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 17:31:23,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 17:31:23,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 17:31:23,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 17:31:23,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 17:31:23,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 17:31:23,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 17:31:23,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 17:31:23,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 17:31:23,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 17:31:23,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 17:31:23,188 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 17:31:23,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 17:31:23,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 17:31:23,189 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 17:31:23,189 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 17:31:23,189 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 17:31:23,190 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 17:31:23,190 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 17:31:23,190 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 17:31:23,190 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 17:31:23,190 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 17:31:23,191 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 17:31:23,191 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 17:31:23,191 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 17:31:23,191 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 17:31:23,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 17:31:23,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 17:31:23,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 17:31:23,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 17:31:23,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 17:31:23,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 17:31:23,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 17:31:23,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 17:31:23,194 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 17:31:23,194 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 17:31:23,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 17:31:23,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 17:31:23,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 17:31:23,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 17:31:23,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 17:31:23,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:31:23,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 17:31:23,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 17:31:23,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 17:31:23,196 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 17:31:23,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 17:31:23,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 17:31:23,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 17:31:23,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 17:31:23,197 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_5506fe75-2d01-46af-b1c0-192c3282b885/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e03efc96f2a4a450d6a8b193daa3062f59a028d8 [2020-12-09 17:31:23,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 17:31:23,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 17:31:23,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 17:31:23,392 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 17:31:23,393 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 17:31:23,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2020-12-09 17:31:23,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/data/6e9a8763a/f59d317c9a2e47de8d3eaf2d5f5dd02d/FLAG9640e50a0 [2020-12-09 17:31:23,880 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 17:31:23,880 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2020-12-09 17:31:23,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/data/6e9a8763a/f59d317c9a2e47de8d3eaf2d5f5dd02d/FLAG9640e50a0 [2020-12-09 17:31:23,904 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/data/6e9a8763a/f59d317c9a2e47de8d3eaf2d5f5dd02d [2020-12-09 17:31:23,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 17:31:23,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 17:31:23,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 17:31:23,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 17:31:23,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 17:31:23,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:31:23" (1/1) ... [2020-12-09 17:31:23,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2943886e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:23, skipping insertion in model container [2020-12-09 17:31:23,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:31:23" (1/1) ... [2020-12-09 17:31:23,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 17:31:23,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 17:31:24,129 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_5506fe75-2d01-46af-b1c0-192c3282b885/sv-benchmarks/c/eca-rers2012/Problem14_label35.c[4618,4631] [2020-12-09 17:31:24,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 17:31:24,274 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 17:31:24,291 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_5506fe75-2d01-46af-b1c0-192c3282b885/sv-benchmarks/c/eca-rers2012/Problem14_label35.c[4618,4631] [2020-12-09 17:31:24,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 17:31:24,383 INFO L208 MainTranslator]: Completed translation [2020-12-09 17:31:24,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24 WrapperNode [2020-12-09 17:31:24,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 17:31:24,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 17:31:24,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 17:31:24,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 17:31:24,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (1/1) ... [2020-12-09 17:31:24,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (1/1) ... [2020-12-09 17:31:24,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 17:31:24,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 17:31:24,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 17:31:24,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 17:31:24,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (1/1) ... [2020-12-09 17:31:24,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (1/1) ... [2020-12-09 17:31:24,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (1/1) ... [2020-12-09 17:31:24,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (1/1) ... [2020-12-09 17:31:24,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (1/1) ... [2020-12-09 17:31:24,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (1/1) ... [2020-12-09 17:31:24,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (1/1) ... [2020-12-09 17:31:24,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 17:31:24,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 17:31:24,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 17:31:24,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 17:31:24,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:31:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 17:31:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 17:31:24,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 17:31:24,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 17:31:36,064 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 17:31:36,065 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 17:31:36,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:31:36 BoogieIcfgContainer [2020-12-09 17:31:36,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 17:31:36,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 17:31:36,068 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 17:31:36,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 17:31:36,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:31:23" (1/3) ... [2020-12-09 17:31:36,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78301b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:31:36, skipping insertion in model container [2020-12-09 17:31:36,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:24" (2/3) ... [2020-12-09 17:31:36,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78301b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:31:36, skipping insertion in model container [2020-12-09 17:31:36,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:31:36" (3/3) ... [2020-12-09 17:31:36,071 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label35.c [2020-12-09 17:31:36,081 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 17:31:36,083 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 17:31:36,090 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 17:31:36,105 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 17:31:36,105 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 17:31:36,105 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 17:31:36,105 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 17:31:36,105 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 17:31:36,105 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 17:31:36,105 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 17:31:36,105 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 17:31:36,113 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 17:31:36,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 17:31:36,116 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:31:36,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 17:31:36,117 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:31:36,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:31:36,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1036825550, now seen corresponding path program 1 times [2020-12-09 17:31:36,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 17:31:36,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030149190] [2020-12-09 17:31:36,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 17:31:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:31:36,246 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 17:31:36,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030149190] [2020-12-09 17:31:36,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 17:31:36,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 17:31:36,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110221748] [2020-12-09 17:31:36,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 17:31:36,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 17:31:36,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 17:31:36,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 17:31:36,263 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 17:31:36,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:31:36,334 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 17:31:36,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 17:31:36,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 17:31:36,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:31:36,341 INFO L225 Difference]: With dead ends: 23 [2020-12-09 17:31:36,341 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 17:31:36,343 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 17:31:36,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 17:31:36,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 17:31:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 17:31:36,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 17:31:36,363 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 17:31:36,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:31:36,364 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 17:31:36,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 17:31:36,364 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 17:31:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 17:31:36,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:31:36,364 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 17:31:36,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 17:31:36,364 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:31:36,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:31:36,365 INFO L82 PathProgramCache]: Analyzing trace with hash -1501733786, now seen corresponding path program 1 times [2020-12-09 17:31:36,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 17:31:36,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465966984] [2020-12-09 17:31:36,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 17:31:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:31:36,728 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 17:31:36,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465966984] [2020-12-09 17:31:36,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976106879] [2020-12-09 17:31:36,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:31:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:31:36,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 17:31:36,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:31:37,024 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1339 DAG size of output: 83 [2020-12-09 17:31:37,077 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,079 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,080 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,081 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,082 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,084 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,085 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,088 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,089 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,095 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,097 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,099 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,102 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,103 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,107 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,109 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,110 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,111 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,112 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,114 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,117 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 17:31:37,119 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,121 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,122 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,123 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,126 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,128 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 17:31:37,135 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,136 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,137 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,137 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,139 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,141 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,143 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,146 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 17:31:37,147 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,148 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,151 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,153 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,154 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 17:31:37,155 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,156 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,159 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,162 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 17:31:37,164 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,165 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,167 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,170 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,170 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,171 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,172 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,172 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,174 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,175 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,176 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,178 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,180 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,182 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,183 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 17:31:37,183 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,186 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,187 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,190 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 17:31:37,192 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,193 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 17:31:37,194 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,197 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 17:31:37,198 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,200 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,201 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,202 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,204 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 17:31:37,205 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,209 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 17:31:37,210 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 17:31:37,210 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 17:31:37,211 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,212 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,212 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,213 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,215 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 17:31:37,216 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,218 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 17:31:37,219 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,219 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,221 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,224 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 17:31:37,224 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 17:31:37,225 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,225 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,227 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 17:31:37,230 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 17:31:37,231 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 17:31:37,231 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 6 disjuncts [2020-12-09 17:31:37,233 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 5 disjuncts [2020-12-09 17:31:37,241 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 17:31:37,242 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 17:31:37,243 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 17:31:37,243 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 17:31:37,244 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 17:31:37,244 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 17:31:37,245 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 17:31:37,245 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 17:31:37,246 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-09 17:31:37,246 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,247 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 2, 4, 1] term [2020-12-09 17:31:37,247 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,248 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 5, 4, 5, 4, 2, 4, 1] term [2020-12-09 17:31:37,248 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,249 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 11, 4, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 17:31:37,249 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 17:31:37,249 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 8, 4, 5, 4, 2, 4, 1] term [2020-12-09 17:31:37,250 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 17:31:37,251 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 17:31:37,251 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,253 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 17:31:37,254 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,254 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,255 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,256 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,258 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,260 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,261 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 17:31:37,262 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,264 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,265 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,268 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,269 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,271 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,273 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,274 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,276 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,277 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,278 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,281 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,282 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,282 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,284 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,284 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,286 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,288 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,290 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 17:31:37,290 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,291 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,291 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,293 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,294 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 17:31:37,295 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,295 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,297 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,297 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,298 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,300 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,304 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 17:31:37,304 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,306 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,307 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,309 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,310 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,313 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,313 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,314 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,317 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 17:31:37,318 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,318 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,318 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,320 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,321 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,322 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,324 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 17:31:37,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,326 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,327 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,327 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,330 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,331 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 17:31:37,331 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,334 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,337 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,340 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,343 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,344 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,346 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,347 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,348 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,351 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,353 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,354 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 17:31:37,355 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,356 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,358 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,358 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,359 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,361 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,363 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,365 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,366 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,370 INFO L639 QuantifierPusher]: Distributing 18 conjuncts over 2 disjuncts [2020-12-09 17:31:37,371 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 17:31:37,372 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,375 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 17:31:37,377 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 17:31:37,377 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,379 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,380 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,380 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,382 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,385 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,385 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,387 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 17:31:37,388 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 17:31:37,389 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,390 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,392 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 17:31:37,394 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 17:31:37,395 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,396 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,397 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,397 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,399 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,399 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,401 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,403 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,405 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,406 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 17:31:37,406 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,407 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 17:31:37,408 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,409 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,411 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,413 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,416 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,417 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 17:31:37,418 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,419 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,420 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,422 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,424 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,428 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,430 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,430 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,431 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,432 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 17:31:37,434 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,434 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,435 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 17:31:37,437 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,437 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,439 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,440 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,441 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,442 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 3 disjuncts [2020-12-09 17:31:37,443 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 17:31:37,444 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,444 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,445 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,447 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 3 disjuncts [2020-12-09 17:31:37,447 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,448 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,480 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,482 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,483 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,486 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,486 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,488 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,489 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,490 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,493 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 17:31:37,493 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,495 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,495 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,498 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,500 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,501 INFO L639 QuantifierPusher]: Distributing 12 conjuncts over 2 disjuncts [2020-12-09 17:31:37,501 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,503 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 17:31:37,504 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,506 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,506 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,508 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,509 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,511 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,511 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,513 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,515 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 2 disjuncts [2020-12-09 17:31:37,516 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,517 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,518 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,519 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,521 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,523 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,525 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,526 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,526 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,528 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,529 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 17:31:37,529 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,530 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 17:31:37,532 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,533 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,533 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 17:31:37,536 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,536 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,538 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-09 17:31:37,539 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,539 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 17:31:37,541 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,542 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,543 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 2 disjuncts [2020-12-09 17:31:37,544 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 17:31:37,545 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,547 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:31:37,549 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,549 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,551 INFO L639 QuantifierPusher]: Distributing 10 conjuncts over 2 disjuncts [2020-12-09 17:31:37,551 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,552 INFO L639 QuantifierPusher]: Distributing 8 conjuncts over 3 disjuncts [2020-12-09 17:31:37,553 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,554 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,554 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,555 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,556 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,557 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,557 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,558 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 17:31:37,559 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,559 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,560 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,561 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,561 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,563 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,564 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,564 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,566 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,566 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,568 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,569 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,570 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,570 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,571 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,572 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 17:31:37,573 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,573 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,574 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 17:31:37,575 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,575 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 3 disjuncts [2020-12-09 17:31:37,576 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,577 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,577 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,580 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:31:37,580 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:31:37,589 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 17:31:37,590 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 17:31:37,952 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 2658 DAG size of output: 2498 [2020-12-09 17:31:37,972 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 17:31:37,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [50070693] [2020-12-09 17:31:37,991 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 17:31:37,992 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 17:31:37,996 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 17:31:38,001 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 17:31:38,001 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 17:31:38,137 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 39 [2020-12-09 17:31:38,521 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 39 [2020-12-09 17:31:39,608 WARN L197 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 2483 DAG size of output: 2342 [2020-12-09 17:31:54,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 17:31:54,636 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 17:31:54,645 INFO L168 Benchmark]: Toolchain (without parser) took 30735.16 ms. Allocated memory was 100.7 MB in the beginning and 903.9 MB in the end (delta: 803.2 MB). Free memory was 77.1 MB in the beginning and 546.1 MB in the end (delta: -469.0 MB). Peak memory consumption was 644.3 MB. Max. memory is 16.1 GB. [2020-12-09 17:31:54,645 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 83.9 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:31:54,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.18 ms. Allocated memory is still 100.7 MB. Free memory was 77.1 MB in the beginning and 45.3 MB in the end (delta: 31.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-12-09 17:31:54,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.16 ms. Allocated memory is still 100.7 MB. Free memory was 45.3 MB in the beginning and 68.3 MB in the end (delta: -23.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-12-09 17:31:54,647 INFO L168 Benchmark]: Boogie Preprocessor took 78.85 ms. Allocated memory is still 100.7 MB. Free memory was 68.3 MB in the beginning and 61.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 17:31:54,648 INFO L168 Benchmark]: RCFGBuilder took 11508.11 ms. Allocated memory was 100.7 MB in the beginning and 434.1 MB in the end (delta: 333.4 MB). Free memory was 61.9 MB in the beginning and 181.5 MB in the end (delta: -119.7 MB). Peak memory consumption was 226.8 MB. Max. memory is 16.1 GB. [2020-12-09 17:31:54,648 INFO L168 Benchmark]: TraceAbstraction took 18574.82 ms. Allocated memory was 434.1 MB in the beginning and 903.9 MB in the end (delta: 469.8 MB). Free memory was 180.5 MB in the beginning and 546.1 MB in the end (delta: -365.6 MB). Peak memory consumption was 412.5 MB. Max. memory is 16.1 GB. [2020-12-09 17:31:54,651 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 83.9 MB. Free memory is still 62.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 475.18 ms. Allocated memory is still 100.7 MB. Free memory was 77.1 MB in the beginning and 45.3 MB in the end (delta: 31.8 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.16 ms. Allocated memory is still 100.7 MB. Free memory was 45.3 MB in the beginning and 68.3 MB in the end (delta: -23.0 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.85 ms. Allocated memory is still 100.7 MB. Free memory was 68.3 MB in the beginning and 61.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 11508.11 ms. Allocated memory was 100.7 MB in the beginning and 434.1 MB in the end (delta: 333.4 MB). Free memory was 61.9 MB in the beginning and 181.5 MB in the end (delta: -119.7 MB). Peak memory consumption was 226.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18574.82 ms. Allocated memory was 434.1 MB in the beginning and 903.9 MB in the end (delta: 469.8 MB). Free memory was 180.5 MB in the beginning and 546.1 MB in the end (delta: -365.6 MB). Peak memory consumption was 412.5 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 17:31:56,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 17:31:56,222 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 17:31:56,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 17:31:56,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 17:31:56,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 17:31:56,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 17:31:56,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 17:31:56,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 17:31:56,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 17:31:56,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 17:31:56,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 17:31:56,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 17:31:56,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 17:31:56,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 17:31:56,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 17:31:56,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 17:31:56,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 17:31:56,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 17:31:56,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 17:31:56,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 17:31:56,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 17:31:56,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 17:31:56,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 17:31:56,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 17:31:56,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 17:31:56,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 17:31:56,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 17:31:56,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 17:31:56,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 17:31:56,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 17:31:56,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 17:31:56,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 17:31:56,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 17:31:56,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 17:31:56,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 17:31:56,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 17:31:56,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 17:31:56,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 17:31:56,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 17:31:56,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 17:31:56,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 17:31:56,304 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 17:31:56,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 17:31:56,305 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 17:31:56,305 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 17:31:56,305 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 17:31:56,305 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 17:31:56,305 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 17:31:56,305 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 17:31:56,305 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 17:31:56,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 17:31:56,306 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 17:31:56,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 17:31:56,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 17:31:56,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 17:31:56,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 17:31:56,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 17:31:56,307 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 17:31:56,307 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 17:31:56,307 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 17:31:56,307 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 17:31:56,308 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 17:31:56,308 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 17:31:56,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 17:31:56,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 17:31:56,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 17:31:56,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 17:31:56,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:31:56,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 17:31:56,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 17:31:56,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 17:31:56,309 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 17:31:56,309 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 17:31:56,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 17:31:56,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 17:31:56,309 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 17:31:56,309 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_5506fe75-2d01-46af-b1c0-192c3282b885/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e03efc96f2a4a450d6a8b193daa3062f59a028d8 [2020-12-09 17:31:56,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 17:31:56,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 17:31:56,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 17:31:56,596 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 17:31:56,597 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 17:31:56,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2020-12-09 17:31:56,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/data/ad41eb30d/0a61cc77995b4822814329d24ae756d5/FLAGbfdc63e7c [2020-12-09 17:31:57,064 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 17:31:57,064 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/sv-benchmarks/c/eca-rers2012/Problem14_label35.c [2020-12-09 17:31:57,074 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/data/ad41eb30d/0a61cc77995b4822814329d24ae756d5/FLAGbfdc63e7c [2020-12-09 17:31:57,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/data/ad41eb30d/0a61cc77995b4822814329d24ae756d5 [2020-12-09 17:31:57,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 17:31:57,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 17:31:57,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 17:31:57,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 17:31:57,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 17:31:57,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ffa1768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57, skipping insertion in model container [2020-12-09 17:31:57,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 17:31:57,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 17:31:57,255 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_5506fe75-2d01-46af-b1c0-192c3282b885/sv-benchmarks/c/eca-rers2012/Problem14_label35.c[4618,4631] [2020-12-09 17:31:57,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 17:31:57,436 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 17:31:57,460 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_5506fe75-2d01-46af-b1c0-192c3282b885/sv-benchmarks/c/eca-rers2012/Problem14_label35.c[4618,4631] [2020-12-09 17:31:57,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 17:31:57,575 INFO L208 MainTranslator]: Completed translation [2020-12-09 17:31:57,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57 WrapperNode [2020-12-09 17:31:57,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 17:31:57,576 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 17:31:57,576 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 17:31:57,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 17:31:57,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 17:31:57,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 17:31:57,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 17:31:57,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 17:31:57,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (1/1) ... [2020-12-09 17:31:57,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 17:31:57,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 17:31:57,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 17:31:57,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 17:31:57,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:31:57,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 17:31:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 17:31:57,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 17:31:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 17:32:00,118 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 17:32:00,118 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-09 17:32:00,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:32:00 BoogieIcfgContainer [2020-12-09 17:32:00,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 17:32:00,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 17:32:00,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 17:32:00,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 17:32:00,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:31:57" (1/3) ... [2020-12-09 17:32:00,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26684ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:32:00, skipping insertion in model container [2020-12-09 17:32:00,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:31:57" (2/3) ... [2020-12-09 17:32:00,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26684ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:32:00, skipping insertion in model container [2020-12-09 17:32:00,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:32:00" (3/3) ... [2020-12-09 17:32:00,125 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label35.c [2020-12-09 17:32:00,134 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 17:32:00,137 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 17:32:00,144 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 17:32:00,161 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 17:32:00,161 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 17:32:00,161 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 17:32:00,162 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 17:32:00,162 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 17:32:00,162 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 17:32:00,162 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 17:32:00,162 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 17:32:00,175 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-12-09 17:32:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-09 17:32:00,179 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:32:00,180 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] [2020-12-09 17:32:00,180 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:32:00,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:32:00,184 INFO L82 PathProgramCache]: Analyzing trace with hash 626000386, now seen corresponding path program 1 times [2020-12-09 17:32:00,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:32:00,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [606910234] [2020-12-09 17:32:00,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:32:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:32:00,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 17:32:00,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:32:00,351 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 17:32:00,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:32:00,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [606910234] [2020-12-09 17:32:00,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 17:32:00,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 17:32:00,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581835076] [2020-12-09 17:32:00,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 17:32:00,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:32:00,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 17:32:00,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 17:32:00,366 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2020-12-09 17:32:03,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:32:03,406 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions. [2020-12-09 17:32:03,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 17:32:03,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-09 17:32:03,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:32:03,417 INFO L225 Difference]: With dead ends: 669 [2020-12-09 17:32:03,417 INFO L226 Difference]: Without dead ends: 360 [2020-12-09 17:32:03,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 17:32:03,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-12-09 17:32:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-12-09 17:32:03,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-12-09 17:32:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 534 transitions. [2020-12-09 17:32:03,463 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 534 transitions. Word has length 44 [2020-12-09 17:32:03,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:32:03,463 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 534 transitions. [2020-12-09 17:32:03,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 17:32:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 534 transitions. [2020-12-09 17:32:03,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-09 17:32:03,467 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:32:03,467 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, 1, 1, 1, 1, 1, 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 17:32:03,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 17:32:03,670 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:32:03,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:32:03,672 INFO L82 PathProgramCache]: Analyzing trace with hash -2110758792, now seen corresponding path program 1 times [2020-12-09 17:32:03,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:32:03,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038988072] [2020-12-09 17:32:03,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:32:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:32:03,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 17:32:03,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:32:03,892 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 17:32:03,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:32:03,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038988072] [2020-12-09 17:32:03,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 17:32:03,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 17:32:03,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701330820] [2020-12-09 17:32:03,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 17:32:03,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:32:03,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 17:32:03,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 17:32:03,895 INFO L87 Difference]: Start difference. First operand 360 states and 534 transitions. Second operand 3 states. [2020-12-09 17:32:06,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:32:06,980 INFO L93 Difference]: Finished difference Result 1074 states and 1597 transitions. [2020-12-09 17:32:06,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 17:32:06,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-09 17:32:06,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:32:06,984 INFO L225 Difference]: With dead ends: 1074 [2020-12-09 17:32:06,984 INFO L226 Difference]: Without dead ends: 716 [2020-12-09 17:32:06,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 107 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 17:32:06,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-12-09 17:32:07,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2020-12-09 17:32:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2020-12-09 17:32:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 944 transitions. [2020-12-09 17:32:07,012 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 944 transitions. Word has length 109 [2020-12-09 17:32:07,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:32:07,012 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 944 transitions. [2020-12-09 17:32:07,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 17:32:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 944 transitions. [2020-12-09 17:32:07,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-09 17:32:07,014 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:32:07,014 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:32:07,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 17:32:07,216 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:32:07,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:32:07,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1300326290, now seen corresponding path program 1 times [2020-12-09 17:32:07,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:32:07,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646765868] [2020-12-09 17:32:07,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:32:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:32:07,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 17:32:07,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:32:07,460 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 17:32:07,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:32:07,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646765868] [2020-12-09 17:32:07,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 17:32:07,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 17:32:07,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595041796] [2020-12-09 17:32:07,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 17:32:07,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:32:07,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 17:32:07,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 17:32:07,462 INFO L87 Difference]: Start difference. First operand 716 states and 944 transitions. Second operand 3 states. [2020-12-09 17:32:09,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:32:09,594 INFO L93 Difference]: Finished difference Result 1252 states and 1672 transitions. [2020-12-09 17:32:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 17:32:09,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-09 17:32:09,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:32:09,600 INFO L225 Difference]: With dead ends: 1252 [2020-12-09 17:32:09,600 INFO L226 Difference]: Without dead ends: 894 [2020-12-09 17:32:09,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 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 17:32:09,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-12-09 17:32:09,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-12-09 17:32:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-12-09 17:32:09,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1134 transitions. [2020-12-09 17:32:09,616 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1134 transitions. Word has length 113 [2020-12-09 17:32:09,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:32:09,617 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1134 transitions. [2020-12-09 17:32:09,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 17:32:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1134 transitions. [2020-12-09 17:32:09,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-12-09 17:32:09,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:32:09,623 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 17:32:09,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 17:32:09,824 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:32:09,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:32:09,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1991652382, now seen corresponding path program 1 times [2020-12-09 17:32:09,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:32:09,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328237666] [2020-12-09 17:32:09,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:32:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:32:09,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 17:32:09,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:32:10,146 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-09 17:32:10,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:32:10,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328237666] [2020-12-09 17:32:10,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 17:32:10,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 17:32:10,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081557978] [2020-12-09 17:32:10,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 17:32:10,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:32:10,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 17:32:10,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 17:32:10,148 INFO L87 Difference]: Start difference. First operand 894 states and 1134 transitions. Second operand 4 states. [2020-12-09 17:32:12,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:32:12,648 INFO L93 Difference]: Finished difference Result 1281 states and 1695 transitions. [2020-12-09 17:32:12,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 17:32:12,649 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 193 [2020-12-09 17:32:12,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:32:12,651 INFO L225 Difference]: With dead ends: 1281 [2020-12-09 17:32:12,651 INFO L226 Difference]: Without dead ends: 538 [2020-12-09 17:32:12,652 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 190 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 17:32:12,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-12-09 17:32:12,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2020-12-09 17:32:12,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-09 17:32:12,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 714 transitions. [2020-12-09 17:32:12,663 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 714 transitions. Word has length 193 [2020-12-09 17:32:12,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:32:12,663 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 714 transitions. [2020-12-09 17:32:12,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 17:32:12,663 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 714 transitions. [2020-12-09 17:32:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-12-09 17:32:12,665 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:32:12,665 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 17:32:12,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 17:32:12,867 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:32:12,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:32:12,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1498688346, now seen corresponding path program 1 times [2020-12-09 17:32:12,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:32:12,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773149052] [2020-12-09 17:32:12,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:32:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:32:13,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 17:32:13,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:32:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-09 17:32:13,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:32:13,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773149052] [2020-12-09 17:32:13,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 17:32:13,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 17:32:13,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140366018] [2020-12-09 17:32:13,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 17:32:13,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:32:13,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 17:32:13,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 17:32:13,237 INFO L87 Difference]: Start difference. First operand 538 states and 714 transitions. Second operand 3 states. [2020-12-09 17:32:16,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:32:16,401 INFO L93 Difference]: Finished difference Result 1430 states and 1957 transitions. [2020-12-09 17:32:16,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 17:32:16,402 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2020-12-09 17:32:16,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:32:16,406 INFO L225 Difference]: With dead ends: 1430 [2020-12-09 17:32:16,406 INFO L226 Difference]: Without dead ends: 1072 [2020-12-09 17:32:16,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 212 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 17:32:16,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-12-09 17:32:16,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-12-09 17:32:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-12-09 17:32:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1322 transitions. [2020-12-09 17:32:16,423 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1322 transitions. Word has length 214 [2020-12-09 17:32:16,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:32:16,423 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1322 transitions. [2020-12-09 17:32:16,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 17:32:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1322 transitions. [2020-12-09 17:32:16,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-12-09 17:32:16,429 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:32:16,429 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 17:32:16,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 17:32:16,630 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:32:16,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:32:16,630 INFO L82 PathProgramCache]: Analyzing trace with hash -883563021, now seen corresponding path program 1 times [2020-12-09 17:32:16,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:32:16,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503239769] [2020-12-09 17:32:16,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:32:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:32:16,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 17:32:16,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:32:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 125 proven. 135 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 17:32:17,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 17:32:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-09 17:32:17,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503239769] [2020-12-09 17:32:17,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 17:32:17,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 17:32:17,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309130021] [2020-12-09 17:32:17,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 17:32:17,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:32:17,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 17:32:17,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 17:32:17,578 INFO L87 Difference]: Start difference. First operand 1072 states and 1322 transitions. Second operand 3 states. [2020-12-09 17:32:24,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:32:24,118 INFO L93 Difference]: Finished difference Result 2142 states and 2814 transitions. [2020-12-09 17:32:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 17:32:24,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 323 [2020-12-09 17:32:24,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:32:24,123 INFO L225 Difference]: With dead ends: 2142 [2020-12-09 17:32:24,123 INFO L226 Difference]: Without dead ends: 1428 [2020-12-09 17:32:24,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 644 GetRequests, 640 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 17:32:24,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-12-09 17:32:24,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2020-12-09 17:32:24,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2020-12-09 17:32:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 1768 transitions. [2020-12-09 17:32:24,146 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 1768 transitions. Word has length 323 [2020-12-09 17:32:24,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:32:24,146 INFO L481 AbstractCegarLoop]: Abstraction has 1428 states and 1768 transitions. [2020-12-09 17:32:24,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 17:32:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 1768 transitions. [2020-12-09 17:32:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2020-12-09 17:32:24,149 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:32:24,149 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 17:32:24,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 17:32:24,351 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:32:24,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:32:24,353 INFO L82 PathProgramCache]: Analyzing trace with hash 984293680, now seen corresponding path program 1 times [2020-12-09 17:32:24,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:32:24,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [26133203] [2020-12-09 17:32:24,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:32:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:32:24,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 17:32:24,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:32:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 402 proven. 159 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-12-09 17:32:24,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 17:32:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 561 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-12-09 17:32:25,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [26133203] [2020-12-09 17:32:25,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-09 17:32:25,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-09 17:32:25,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004417639] [2020-12-09 17:32:25,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 17:32:25,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:32:25,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 17:32:25,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 17:32:25,922 INFO L87 Difference]: Start difference. First operand 1428 states and 1768 transitions. Second operand 3 states. [2020-12-09 17:32:32,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:32:32,009 INFO L93 Difference]: Finished difference Result 3210 states and 4153 transitions. [2020-12-09 17:32:32,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 17:32:32,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 434 [2020-12-09 17:32:32,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:32:32,016 INFO L225 Difference]: With dead ends: 3210 [2020-12-09 17:32:32,016 INFO L226 Difference]: Without dead ends: 2140 [2020-12-09 17:32:32,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 866 GetRequests, 862 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 17:32:32,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2020-12-09 17:32:32,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2020-12-09 17:32:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2020-12-09 17:32:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2668 transitions. [2020-12-09 17:32:32,047 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2668 transitions. Word has length 434 [2020-12-09 17:32:32,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:32:32,047 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2668 transitions. [2020-12-09 17:32:32,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 17:32:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2668 transitions. [2020-12-09 17:32:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2020-12-09 17:32:32,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:32:32,050 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 17:32:32,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 17:32:32,251 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:32:32,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:32:32,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1906136920, now seen corresponding path program 1 times [2020-12-09 17:32:32,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:32:32,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939387973] [2020-12-09 17:32:32,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:32:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:32:32,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 17:32:32,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:32:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 0 proven. 638 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-12-09 17:32:32,928 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 17:32:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 471 proven. 167 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-12-09 17:32:34,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939387973] [2020-12-09 17:32:34,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [715987277] [2020-12-09 17:32:34,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:32:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:32:34,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 17:32:34,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:32:35,212 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 17:32:35,213 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:32:35,214 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:32:35,219 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:32:35,222 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:32:35,223 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:32:35,225 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 17:32:35,227 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:32:35,229 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 17:32:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 418 proven. 42 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 17:32:35,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 17:32:35,730 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 17:32:35,731 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-12-09 17:32:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 436 proven. 24 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 17:32:36,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088238401] [2020-12-09 17:32:36,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:32:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:32:36,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 17:32:36,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:32:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 316 proven. 144 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 17:32:36,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 17:32:37,216 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 316 proven. 144 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2020-12-09 17:32:37,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 17:32:37,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 7, 7, 4, 4] total 18 [2020-12-09 17:32:37,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044228437] [2020-12-09 17:32:37,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-09 17:32:37,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:32:37,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-09 17:32:37,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2020-12-09 17:32:37,219 INFO L87 Difference]: Start difference. First operand 2140 states and 2668 transitions. Second operand 18 states. [2020-12-09 17:32:38,881 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 17:32:40,582 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 17:32:50,639 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 17:32:51,330 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2020-12-09 17:33:06,231 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2020-12-09 17:33:07,670 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 17:33:11,709 WARN L197 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2020-12-09 17:33:12,783 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2020-12-09 17:33:42,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:33:42,637 INFO L93 Difference]: Finished difference Result 5963 states and 7561 transitions. [2020-12-09 17:33:42,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-09 17:33:42,641 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 450 [2020-12-09 17:33:42,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:33:42,653 INFO L225 Difference]: With dead ends: 5963 [2020-12-09 17:33:42,653 INFO L226 Difference]: Without dead ends: 3922 [2020-12-09 17:33:42,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2719 GetRequests, 2685 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2020-12-09 17:33:42,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3922 states. [2020-12-09 17:33:42,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3922 to 3564. [2020-12-09 17:33:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2020-12-09 17:33:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 3865 transitions. [2020-12-09 17:33:42,701 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 3865 transitions. Word has length 450 [2020-12-09 17:33:42,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:33:42,701 INFO L481 AbstractCegarLoop]: Abstraction has 3564 states and 3865 transitions. [2020-12-09 17:33:42,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-09 17:33:42,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 3865 transitions. [2020-12-09 17:33:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2020-12-09 17:33:42,705 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:33:42,705 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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 17:33:43,307 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 17:33:43,309 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:33:43,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:33:43,311 INFO L82 PathProgramCache]: Analyzing trace with hash 2143563591, now seen corresponding path program 1 times [2020-12-09 17:33:43,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:33:43,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648408398] [2020-12-09 17:33:43,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:33:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:33:43,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 17:33:43,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:33:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 209 proven. 898 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-09 17:33:46,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 17:33:46,986 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-09 17:33:47,218 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 17:33:47,218 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 17:33:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 839 proven. 268 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2020-12-09 17:33:50,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648408398] [2020-12-09 17:33:50,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1700675095] [2020-12-09 17:33:50,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:33:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:33:50,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 17:33:50,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:33:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked. [2020-12-09 17:33:51,179 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:33:51,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 17:33:51,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 10] total 20 [2020-12-09 17:33:51,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179196732] [2020-12-09 17:33:51,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 17:33:51,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:33:51,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 17:33:51,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-12-09 17:33:51,181 INFO L87 Difference]: Start difference. First operand 3564 states and 3865 transitions. Second operand 3 states. [2020-12-09 17:33:52,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:33:52,866 INFO L93 Difference]: Finished difference Result 7660 states and 8467 transitions. [2020-12-09 17:33:52,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 17:33:52,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 698 [2020-12-09 17:33:52,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:33:52,882 INFO L225 Difference]: With dead ends: 7660 [2020-12-09 17:33:52,882 INFO L226 Difference]: Without dead ends: 4810 [2020-12-09 17:33:52,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2091 GetRequests, 2059 SyntacticMatches, 14 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-12-09 17:33:52,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2020-12-09 17:33:52,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 4810. [2020-12-09 17:33:52,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2020-12-09 17:33:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 5280 transitions. [2020-12-09 17:33:52,944 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 5280 transitions. Word has length 698 [2020-12-09 17:33:52,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:33:52,945 INFO L481 AbstractCegarLoop]: Abstraction has 4810 states and 5280 transitions. [2020-12-09 17:33:52,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 17:33:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 5280 transitions. [2020-12-09 17:33:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2020-12-09 17:33:52,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:33:52,950 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 17:33:53,351 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 17:33:53,352 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:33:53,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:33:53,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1878572020, now seen corresponding path program 1 times [2020-12-09 17:33:53,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:33:53,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952392258] [2020-12-09 17:33:53,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:33:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:33:53,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 17:33:53,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:33:56,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 558 proven. 898 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2020-12-09 17:33:56,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 17:33:57,500 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 17:33:57,500 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 17:34:00,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 1188 proven. 268 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2020-12-09 17:34:00,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952392258] [2020-12-09 17:34:00,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [468296376] [2020-12-09 17:34:00,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:34:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:34:01,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 858 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 17:34:01,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:34:01,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1715 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2020-12-09 17:34:01,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:34:01,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 17:34:01,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10, 10] total 21 [2020-12-09 17:34:01,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732746747] [2020-12-09 17:34:01,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 17:34:01,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:34:01,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 17:34:01,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-12-09 17:34:01,843 INFO L87 Difference]: Start difference. First operand 4810 states and 5280 transitions. Second operand 4 states. [2020-12-09 17:34:06,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:34:06,654 INFO L93 Difference]: Finished difference Result 10533 states and 11738 transitions. [2020-12-09 17:34:06,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 17:34:06,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 768 [2020-12-09 17:34:06,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:34:06,676 INFO L225 Difference]: With dead ends: 10533 [2020-12-09 17:34:06,676 INFO L226 Difference]: Without dead ends: 6437 [2020-12-09 17:34:06,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2303 GetRequests, 2270 SyntacticMatches, 13 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2020-12-09 17:34:06,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6437 states. [2020-12-09 17:34:06,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6437 to 6412. [2020-12-09 17:34:06,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6412 states. [2020-12-09 17:34:06,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6412 states to 6412 states and 7090 transitions. [2020-12-09 17:34:06,758 INFO L78 Accepts]: Start accepts. Automaton has 6412 states and 7090 transitions. Word has length 768 [2020-12-09 17:34:06,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:34:06,759 INFO L481 AbstractCegarLoop]: Abstraction has 6412 states and 7090 transitions. [2020-12-09 17:34:06,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 17:34:06,759 INFO L276 IsEmpty]: Start isEmpty. Operand 6412 states and 7090 transitions. [2020-12-09 17:34:06,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2020-12-09 17:34:06,764 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:34:06,765 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 17:34:07,166 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 17:34:07,167 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:34:07,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:34:07,168 INFO L82 PathProgramCache]: Analyzing trace with hash 463118527, now seen corresponding path program 1 times [2020-12-09 17:34:07,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:34:07,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566877965] [2020-12-09 17:34:07,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:34:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:34:07,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 17:34:07,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:34:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 648 proven. 898 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2020-12-09 17:34:10,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 17:34:11,336 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[7, 6, 2, 1] term [2020-12-09 17:34:11,336 INFO L639 QuantifierPusher]: Distributing 6 disjuncts over 7 conjuncts [2020-12-09 17:34:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 1278 proven. 268 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2020-12-09 17:34:14,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566877965] [2020-12-09 17:34:14,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1815711670] [2020-12-09 17:34:14,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/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 17:34:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:34:15,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 17:34:15,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:34:15,807 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 17:34:15,809 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 17:34:16,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2020-12-09 17:34:16,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:34:16,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 17:34:16,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 10] total 23 [2020-12-09 17:34:16,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038669851] [2020-12-09 17:34:16,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 17:34:16,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:34:16,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 17:34:16,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2020-12-09 17:34:16,188 INFO L87 Difference]: Start difference. First operand 6412 states and 7090 transitions. Second operand 6 states. [2020-12-09 17:34:18,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:34:18,523 INFO L93 Difference]: Finished difference Result 13640 states and 15127 transitions. [2020-12-09 17:34:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 17:34:18,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 786 [2020-12-09 17:34:18,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:34:18,525 INFO L225 Difference]: With dead ends: 13640 [2020-12-09 17:34:18,525 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 17:34:18,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2355 GetRequests, 2317 SyntacticMatches, 17 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2020-12-09 17:34:18,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 17:34:18,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 17:34:18,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 17:34:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 17:34:18,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 786 [2020-12-09 17:34:18,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:34:18,533 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 17:34:18,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 17:34:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 17:34:18,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 17:34:18,934 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 mathsat -unsat_core_generation=3,17 cvc4 --incremental --print-success --lang smt [2020-12-09 17:34:18,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 17:34:19,829 WARN L197 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2020-12-09 17:34:20,571 WARN L197 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2020-12-09 17:34:20,573 INFO L262 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,574 INFO L262 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-12-09 17:34:20,575 INFO L262 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-12-09 17:34:20,576 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-12-09 17:34:20,577 INFO L262 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 17:34:20,578 INFO L262 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,579 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 146) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 17:34:20,580 INFO L262 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-12-09 17:34:20,581 INFO L262 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,582 INFO L262 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-12-09 17:34:20,583 INFO L262 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,584 INFO L258 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~a24~0)) (.cse1 (bvsle (bvmul (bvsdiv (bvadd ~a12~0 (_ bv4294438260 32)) (_ bv5 32)) (_ bv5 32)) (_ bv4294967253 32))) (.cse2 (= (_ bv6 32) ~a21~0))) (or (and .cse0 (or (not (= (_ bv6 32) ~a15~0)) (not (bvslt (_ bv80 32) ~a12~0)))) (and .cse0 (= (_ bv9 32) ~a21~0)) (and (= (_ bv5 32) ~a15~0) (bvsle ~a12~0 (_ bv4294967253 32)) .cse1 .cse2) (and .cse0 .cse1 .cse2))) [2020-12-09 17:34:20,584 INFO L262 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L265 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,585 INFO L262 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L258 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= (_ bv1 32) ~a24~0)) (.cse1 (bvsle (bvmul (bvsdiv (bvadd ~a12~0 (_ bv4294438260 32)) (_ bv5 32)) (_ bv5 32)) (_ bv4294967253 32))) (.cse2 (= (_ bv6 32) ~a21~0))) (or (and .cse0 (or (not (= (_ bv6 32) ~a15~0)) (not (bvslt (_ bv80 32) ~a12~0)))) (and .cse0 (= (_ bv9 32) ~a21~0)) (and (= (_ bv5 32) ~a15~0) (bvsle ~a12~0 (_ bv4294967253 32)) .cse1 .cse2) (and .cse0 .cse1 .cse2))) [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-12-09 17:34:20,586 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 17:34:20,587 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 17:34:20,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:34:20 BoogieIcfgContainer [2020-12-09 17:34:20,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 17:34:20,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 17:34:20,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 17:34:20,599 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 17:34:20,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:32:00" (3/4) ... [2020-12-09 17:34:20,601 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 17:34:20,617 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-09 17:34:20,618 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 17:34:20,620 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 17:34:20,621 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 17:34:20,706 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5506fe75-2d01-46af-b1c0-192c3282b885/bin/utaipan/witness.graphml [2020-12-09 17:34:20,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 17:34:20,707 INFO L168 Benchmark]: Toolchain (without parser) took 143619.54 ms. Allocated memory was 60.8 MB in the beginning and 503.3 MB in the end (delta: 442.5 MB). Free memory was 38.1 MB in the beginning and 262.6 MB in the end (delta: -224.6 MB). Peak memory consumption was 217.3 MB. Max. memory is 16.1 GB. [2020-12-09 17:34:20,707 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 60.8 MB. Free memory is still 43.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:34:20,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.56 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 37.9 MB in the beginning and 51.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-09 17:34:20,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.04 ms. Allocated memory is still 77.6 MB. Free memory was 51.6 MB in the beginning and 44.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 17:34:20,708 INFO L168 Benchmark]: Boogie Preprocessor took 52.03 ms. Allocated memory is still 77.6 MB. Free memory was 44.9 MB in the beginning and 39.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 17:34:20,708 INFO L168 Benchmark]: RCFGBuilder took 2427.08 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 39.7 MB in the beginning and 53.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-12-09 17:34:20,708 INFO L168 Benchmark]: TraceAbstraction took 140478.43 ms. Allocated memory was 94.4 MB in the beginning and 503.3 MB in the end (delta: 408.9 MB). Free memory was 52.7 MB in the beginning and 280.7 MB in the end (delta: -227.9 MB). Peak memory consumption was 179.5 MB. Max. memory is 16.1 GB. [2020-12-09 17:34:20,709 INFO L168 Benchmark]: Witness Printer took 107.18 ms. Allocated memory is still 503.3 MB. Free memory was 280.7 MB in the beginning and 262.6 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-09 17:34:20,710 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 60.8 MB. Free memory is still 43.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.56 ms. Allocated memory was 60.8 MB in the beginning and 77.6 MB in the end (delta: 16.8 MB). Free memory was 37.9 MB in the beginning and 51.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.04 ms. Allocated memory is still 77.6 MB. Free memory was 51.6 MB in the beginning and 44.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.03 ms. Allocated memory is still 77.6 MB. Free memory was 44.9 MB in the beginning and 39.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2427.08 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 39.7 MB in the beginning and 53.6 MB in the end (delta: -13.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 140478.43 ms. Allocated memory was 94.4 MB in the beginning and 503.3 MB in the end (delta: 408.9 MB). Free memory was 52.7 MB in the beginning and 280.7 MB in the end (delta: -227.9 MB). Peak memory consumption was 179.5 MB. Max. memory is 16.1 GB. * Witness Printer took 107.18 ms. Allocated memory is still 503.3 MB. Free memory was 280.7 MB in the beginning and 262.6 MB in the end (delta: 18.0 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: 146]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((1bv32 == a24 && (!(6bv32 == a15) || !~bvslt32(80bv32, a12))) || (1bv32 == a24 && 9bv32 == a21)) || (((5bv32 == a15 && ~bvsle32(a12, 4294967253bv32)) && ~bvsle32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294438260bv32), 5bv32), 5bv32), 4294967253bv32)) && 6bv32 == a21)) || ((1bv32 == a24 && ~bvsle32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294438260bv32), 5bv32), 5bv32), 4294967253bv32)) && 6bv32 == a21) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((1bv32 == a24 && (!(6bv32 == a15) || !~bvslt32(80bv32, a12))) || (1bv32 == a24 && 9bv32 == a21)) || (((5bv32 == a15 && ~bvsle32(a12, 4294967253bv32)) && ~bvsle32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294438260bv32), 5bv32), 5bv32), 4294967253bv32)) && 6bv32 == a21)) || ((1bv32 == a24 && ~bvsle32(~bvmul32(~bvsdiv32(~bvadd64(a12, 4294438260bv32), 5bv32), 5bv32), 4294967253bv32)) && 6bv32 == a21) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 138.7s, OverallIterations: 11, TraceHistogramMax: 7, AutomataDifference: 100.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1303 SDtfs, 4607 SDslu, 157 SDs, 0 SdLazy, 10372 SolverSat, 1746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 87.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11646 GetRequests, 11495 SyntacticMatches, 49 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 11.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6412occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 383 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 113 NumberOfFragments, 113 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3794 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 188 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 30.9s InterpolantComputationTime, 7284 NumberOfCodeBlocks, 7284 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 11619 ConstructedInterpolants, 0 QuantifiedInterpolants, 86264359 SizeOfPredicates, 50 NumberOfNonLiveVariables, 8396 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 24 InterpolantComputations, 10 PerfectInterpolantSequences, 16633/21584 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...