./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label57.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_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c -s /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 e871d77c711df4fd4231a754fc38e494e0803d92 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c -s /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 e871d77c711df4fd4231a754fc38e494e0803d92 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:44:57,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 09:44:57,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 09:44:57,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 09:44:57,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 09:44:57,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 09:44:57,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 09:44:57,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 09:44:57,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 09:44:57,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 09:44:57,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 09:44:57,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 09:44:57,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 09:44:57,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 09:44:57,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 09:44:57,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 09:44:57,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 09:44:57,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 09:44:57,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 09:44:57,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 09:44:57,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 09:44:57,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 09:44:57,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 09:44:57,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 09:44:57,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 09:44:57,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 09:44:57,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 09:44:57,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 09:44:57,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 09:44:57,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 09:44:57,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 09:44:57,330 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 09:44:57,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 09:44:57,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 09:44:57,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 09:44:57,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 09:44:57,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 09:44:57,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 09:44:57,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 09:44:57,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 09:44:57,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 09:44:57,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 09:44:57,357 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 09:44:57,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 09:44:57,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 09:44:57,358 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 09:44:57,358 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 09:44:57,358 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 09:44:57,358 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 09:44:57,359 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 09:44:57,359 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 09:44:57,359 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 09:44:57,359 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 09:44:57,359 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 09:44:57,359 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 09:44:57,360 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 09:44:57,360 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 09:44:57,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 09:44:57,361 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 09:44:57,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 09:44:57,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 09:44:57,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 09:44:57,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 09:44:57,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 09:44:57,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 09:44:57,362 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 09:44:57,362 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 09:44:57,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 09:44:57,362 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 09:44:57,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 09:44:57,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 09:44:57,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 09:44:57,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:44:57,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 09:44:57,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 09:44:57,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 09:44:57,364 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 09:44:57,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 09:44:57,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 09:44:57,364 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 09:44:57,364 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 09:44:57,365 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_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e871d77c711df4fd4231a754fc38e494e0803d92 [2020-12-09 09:44:57,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 09:44:57,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 09:44:57,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 09:44:57,570 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 09:44:57,570 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 09:44:57,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c [2020-12-09 09:44:57,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/data/7ab6a5d31/1c1f4309385b475b9ddb72d1239dcdb7/FLAGed6734c21 [2020-12-09 09:44:58,090 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 09:44:58,091 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/sv-benchmarks/c/eca-rers2012/Problem16_label57.c [2020-12-09 09:44:58,107 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/data/7ab6a5d31/1c1f4309385b475b9ddb72d1239dcdb7/FLAGed6734c21 [2020-12-09 09:44:58,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/data/7ab6a5d31/1c1f4309385b475b9ddb72d1239dcdb7 [2020-12-09 09:44:58,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 09:44:58,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 09:44:58,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 09:44:58,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 09:44:58,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 09:44:58,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:44:58" (1/1) ... [2020-12-09 09:44:58,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff71a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:58, skipping insertion in model container [2020-12-09 09:44:58,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:44:58" (1/1) ... [2020-12-09 09:44:58,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 09:44:58,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 09:44:58,683 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_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/sv-benchmarks/c/eca-rers2012/Problem16_label57.c[4337,4350] [2020-12-09 09:44:58,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:44:58,944 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 09:44:58,964 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_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/sv-benchmarks/c/eca-rers2012/Problem16_label57.c[4337,4350] [2020-12-09 09:44:59,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:44:59,139 INFO L208 MainTranslator]: Completed translation [2020-12-09 09:44:59,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59 WrapperNode [2020-12-09 09:44:59,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 09:44:59,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 09:44:59,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 09:44:59,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 09:44:59,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (1/1) ... [2020-12-09 09:44:59,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (1/1) ... [2020-12-09 09:44:59,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 09:44:59,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 09:44:59,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 09:44:59,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 09:44:59,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (1/1) ... [2020-12-09 09:44:59,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (1/1) ... [2020-12-09 09:44:59,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (1/1) ... [2020-12-09 09:44:59,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (1/1) ... [2020-12-09 09:44:59,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (1/1) ... [2020-12-09 09:44:59,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (1/1) ... [2020-12-09 09:44:59,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (1/1) ... [2020-12-09 09:44:59,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 09:44:59,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 09:44:59,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 09:44:59,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 09:44:59,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:44:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 09:44:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 09:44:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 09:44:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 09:45:54,322 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 09:45:54,322 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 09:45:54,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:45:54 BoogieIcfgContainer [2020-12-09 09:45:54,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 09:45:54,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 09:45:54,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 09:45:54,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 09:45:54,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:44:58" (1/3) ... [2020-12-09 09:45:54,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d32c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:45:54, skipping insertion in model container [2020-12-09 09:45:54,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:44:59" (2/3) ... [2020-12-09 09:45:54,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d32c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:45:54, skipping insertion in model container [2020-12-09 09:45:54,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:45:54" (3/3) ... [2020-12-09 09:45:54,331 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label57.c [2020-12-09 09:45:54,344 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 09:45:54,347 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 09:45:54,354 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 09:45:54,369 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 09:45:54,369 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 09:45:54,369 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 09:45:54,369 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 09:45:54,369 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 09:45:54,369 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 09:45:54,369 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 09:45:54,369 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 09:45:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-12-09 09:45:54,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 09:45:54,380 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:45:54,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 09:45:54,381 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:45:54,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:45:54,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1732960433, now seen corresponding path program 1 times [2020-12-09 09:45:54,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:45:54,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757410232] [2020-12-09 09:45:54,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:45:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:45:54,513 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 09:45:54,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757410232] [2020-12-09 09:45:54,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:45:54,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:45:54,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787206870] [2020-12-09 09:45:54,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:45:54,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:45:54,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:45:54,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:45:54,528 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2020-12-09 09:45:54,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:45:54,699 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2020-12-09 09:45:54,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:45:54,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-09 09:45:54,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:45:54,707 INFO L225 Difference]: With dead ends: 23 [2020-12-09 09:45:54,708 INFO L226 Difference]: Without dead ends: 11 [2020-12-09 09:45:54,709 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 09:45:54,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-12-09 09:45:54,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-12-09 09:45:54,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-12-09 09:45:54,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-12-09 09:45:54,730 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 5 [2020-12-09 09:45:54,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:45:54,730 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-12-09 09:45:54,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:45:54,731 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-12-09 09:45:54,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 09:45:54,731 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:45:54,731 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 09:45:54,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 09:45:54,731 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:45:54,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:45:54,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1790375944, now seen corresponding path program 1 times [2020-12-09 09:45:54,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:45:54,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557424780] [2020-12-09 09:45:54,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:45:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:45:55,280 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 09:45:55,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557424780] [2020-12-09 09:45:55,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529894273] [2020-12-09 09:45:55,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:45:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:45:55,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 09:45:55,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:45:55,870 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 2841 DAG size of output: 151 [2020-12-09 09:45:55,942 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:45:55,944 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:55,945 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:55,946 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:55,949 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:55,950 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:55,951 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:55,953 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:55,954 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:55,956 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:55,959 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:55,965 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:55,967 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:55,973 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:55,974 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 09:45:55,977 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:55,982 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:55,985 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:55,991 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:55,992 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:55,993 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:55,995 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:55,997 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,001 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,002 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,006 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,007 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,008 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:45:56,012 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,013 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,020 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:56,021 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:56,022 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:56,023 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:56,023 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,024 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,025 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,029 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:56,030 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,035 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:56,036 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:56,038 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,041 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 09:45:56,043 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:56,048 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 09:45:56,049 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-09 09:45:56,050 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:56,051 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:56,052 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,056 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 09:45:56,058 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:56,061 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-09 09:45:56,061 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 09:45:56,062 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:56,066 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 09:45:56,067 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 6 disjuncts [2020-12-09 09:45:56,074 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:45:56,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,076 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,077 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,078 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,079 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,079 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,081 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,084 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:56,086 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,090 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,091 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,091 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:45:56,095 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,097 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,100 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:56,101 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:56,102 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:56,103 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:56,105 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 09:45:56,110 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-12-09 09:45:56,114 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,114 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,115 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,119 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:56,120 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,128 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,130 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,131 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,133 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,134 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,134 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,135 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,139 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 09:45:56,140 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-12-09 09:45:56,144 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,145 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:45:56,149 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,151 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,154 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,155 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,155 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,156 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,157 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:45:56,160 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,161 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,165 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:45:56,168 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,170 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:45:56,176 INFO L639 QuantifierPusher]: Distributing 17 conjuncts over 2 disjuncts [2020-12-09 09:45:56,178 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 09:45:56,179 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,179 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,182 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,185 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,188 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 09:45:56,189 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 09:45:56,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,192 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,196 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,196 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,200 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,203 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,207 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 2 disjuncts [2020-12-09 09:45:56,207 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,210 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 09:45:56,211 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,211 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,214 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,219 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 09:45:56,220 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,221 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,224 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,225 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 09:45:56,226 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,227 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,230 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,233 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 09:45:56,234 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,237 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,240 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,243 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 09:45:56,244 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 09:45:56,245 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,248 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,251 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,252 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,255 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,258 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,260 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 09:45:56,261 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,262 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,264 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,267 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 09:45:56,268 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 09:45:56,269 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,271 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,275 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,275 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,282 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,286 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,287 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 09:45:56,288 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 09:45:56,288 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,291 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,294 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,295 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,304 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 09:45:56,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,307 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,310 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,311 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,313 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,315 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 09:45:56,316 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,316 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,319 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,321 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 09:45:56,321 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,322 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,324 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,328 INFO L639 QuantifierPusher]: Distributing 14 conjuncts over 3 disjuncts [2020-12-09 09:45:56,329 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,329 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,332 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,334 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 3 disjuncts [2020-12-09 09:45:56,335 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,339 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 09:45:56,340 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,341 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,343 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,347 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 09:45:56,347 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,348 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,350 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,354 INFO L639 QuantifierPusher]: Distributing 11 conjuncts over 2 disjuncts [2020-12-09 09:45:56,354 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 09:45:56,354 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,357 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,360 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,361 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,367 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,369 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 3 disjuncts [2020-12-09 09:45:56,369 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,375 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 2 disjuncts [2020-12-09 09:45:56,376 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-09 09:45:56,377 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,379 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,383 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,384 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,387 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:45:56,390 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,395 INFO L639 QuantifierPusher]: Distributing 16 conjuncts over 2 disjuncts [2020-12-09 09:45:56,395 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,397 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,400 INFO L639 QuantifierPusher]: Distributing 13 conjuncts over 3 disjuncts [2020-12-09 09:45:56,401 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,403 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,405 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,407 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 09:45:56,408 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,411 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,412 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,413 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,415 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,416 INFO L639 QuantifierPusher]: Distributing 10 conjuncts over 3 disjuncts [2020-12-09 09:45:56,417 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,419 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 09:45:56,420 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,424 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,426 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,427 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,429 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,431 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 09:45:56,433 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,434 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,435 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,437 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,440 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,441 INFO L639 QuantifierPusher]: Distributing 10 conjuncts over 3 disjuncts [2020-12-09 09:45:56,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,443 INFO L639 QuantifierPusher]: Distributing 6 conjuncts over 3 disjuncts [2020-12-09 09:45:56,445 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,446 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,447 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,449 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,450 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,451 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,452 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-12-09 09:45:56,453 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:45:56,454 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:45:56,525 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 09:45:56,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:45:57,187 WARN L197 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 2780 DAG size of output: 755 [2020-12-09 09:45:57,227 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 28, 6, 10, 6, 8, 6, 7, 4, 3, 2, 1] term [2020-12-09 09:45:57,228 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:45:57,229 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 10, 6, 8, 6, 7, 4, 3, 2, 1] term [2020-12-09 09:45:57,230 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:45:57,231 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 8, 6, 7, 4, 3, 2, 1] term [2020-12-09 09:45:57,231 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:45:57,232 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[3, 2, 7, 4, 3, 2, 1] term [2020-12-09 09:45:57,232 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:45:57,241 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2020-12-09 09:45:57,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [962804033] [2020-12-09 09:45:57,261 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 09:45:57,262 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 09:45:57,266 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 09:45:57,271 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 09:45:57,271 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 09:45:57,421 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 35 [2020-12-09 09:45:58,148 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 35 [2020-12-09 09:46:06,281 WARN L197 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 7889 DAG size of output: 7553 [2020-12-09 09:46:38,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-12-09 09:46:38,425 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: variable got div captured at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:776) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:739) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:656) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:358) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.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.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 09:46:38,437 INFO L168 Benchmark]: Toolchain (without parser) took 100000.43 ms. Allocated memory was 90.2 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 69.2 MB in the beginning and 237.8 MB in the end (delta: -168.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 16.1 GB. [2020-12-09 09:46:38,439 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 90.2 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:46:38,442 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.44 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 69.2 MB in the beginning and 64.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2020-12-09 09:46:38,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.69 ms. Allocated memory is still 113.2 MB. Free memory was 64.8 MB in the beginning and 41.5 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-09 09:46:38,447 INFO L168 Benchmark]: Boogie Preprocessor took 137.68 ms. Allocated memory is still 113.2 MB. Free memory was 41.5 MB in the beginning and 62.6 MB in the end (delta: -21.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-12-09 09:46:38,450 INFO L168 Benchmark]: RCFGBuilder took 54932.50 ms. Allocated memory was 113.2 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 62.6 MB in the beginning and 755.3 MB in the end (delta: -692.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2020-12-09 09:46:38,453 INFO L168 Benchmark]: TraceAbstraction took 44107.70 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 262.1 MB). Free memory was 754.3 MB in the beginning and 237.8 MB in the end (delta: 516.5 MB). Peak memory consumption was 863.6 MB. Max. memory is 16.1 GB. [2020-12-09 09:46:38,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 90.2 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 701.44 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 69.2 MB in the beginning and 64.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.69 ms. Allocated memory is still 113.2 MB. Free memory was 64.8 MB in the beginning and 41.5 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 137.68 ms. Allocated memory is still 113.2 MB. Free memory was 41.5 MB in the beginning and 62.6 MB in the end (delta: -21.0 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 54932.50 ms. Allocated memory was 113.2 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 62.6 MB in the beginning and 755.3 MB in the end (delta: -692.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * TraceAbstraction took 44107.70 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 262.1 MB). Free memory was 754.3 MB in the beginning and 237.8 MB in the end (delta: 516.5 MB). Peak memory consumption was 863.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: variable got div captured de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: variable got div captured: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:426) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 09:46:40,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 09:46:40,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 09:46:40,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 09:46:40,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 09:46:40,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 09:46:40,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 09:46:40,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 09:46:40,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 09:46:40,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 09:46:40,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 09:46:40,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 09:46:40,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 09:46:40,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 09:46:40,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 09:46:40,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 09:46:40,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 09:46:40,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 09:46:40,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 09:46:40,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 09:46:40,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 09:46:40,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 09:46:40,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 09:46:40,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 09:46:40,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 09:46:40,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 09:46:40,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 09:46:40,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 09:46:40,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 09:46:40,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 09:46:40,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 09:46:40,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 09:46:40,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 09:46:40,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 09:46:40,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 09:46:40,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 09:46:40,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 09:46:40,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 09:46:40,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 09:46:40,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 09:46:40,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 09:46:40,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 09:46:40,138 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 09:46:40,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 09:46:40,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 09:46:40,139 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 09:46:40,140 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 09:46:40,140 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 09:46:40,140 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 09:46:40,140 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 09:46:40,140 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 09:46:40,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 09:46:40,141 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 09:46:40,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 09:46:40,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 09:46:40,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 09:46:40,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 09:46:40,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 09:46:40,142 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 09:46:40,142 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 09:46:40,142 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 09:46:40,142 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 09:46:40,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 09:46:40,142 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 09:46:40,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 09:46:40,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 09:46:40,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 09:46:40,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 09:46:40,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:46:40,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 09:46:40,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 09:46:40,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 09:46:40,143 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 09:46:40,144 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 09:46:40,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 09:46:40,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 09:46:40,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 09:46:40,144 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_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e871d77c711df4fd4231a754fc38e494e0803d92 [2020-12-09 09:46:40,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 09:46:40,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 09:46:40,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 09:46:40,399 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 09:46:40,400 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 09:46:40,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c [2020-12-09 09:46:40,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/data/a31b43d50/9303609fdc224b0188a1ef67107ddf03/FLAGbe88cf112 [2020-12-09 09:46:40,919 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 09:46:40,919 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/sv-benchmarks/c/eca-rers2012/Problem16_label57.c [2020-12-09 09:46:40,933 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/data/a31b43d50/9303609fdc224b0188a1ef67107ddf03/FLAGbe88cf112 [2020-12-09 09:46:40,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/data/a31b43d50/9303609fdc224b0188a1ef67107ddf03 [2020-12-09 09:46:40,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 09:46:40,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 09:46:40,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 09:46:40,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 09:46:40,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 09:46:40,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:46:40" (1/1) ... [2020-12-09 09:46:40,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68afdb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:40, skipping insertion in model container [2020-12-09 09:46:40,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:46:40" (1/1) ... [2020-12-09 09:46:40,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 09:46:41,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 09:46:41,143 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_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/sv-benchmarks/c/eca-rers2012/Problem16_label57.c[4337,4350] [2020-12-09 09:46:41,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:46:41,510 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 09:46:41,532 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_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/sv-benchmarks/c/eca-rers2012/Problem16_label57.c[4337,4350] [2020-12-09 09:46:41,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:46:41,720 INFO L208 MainTranslator]: Completed translation [2020-12-09 09:46:41,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41 WrapperNode [2020-12-09 09:46:41,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 09:46:41,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 09:46:41,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 09:46:41,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 09:46:41,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (1/1) ... [2020-12-09 09:46:41,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (1/1) ... [2020-12-09 09:46:41,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 09:46:41,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 09:46:41,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 09:46:41,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 09:46:41,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (1/1) ... [2020-12-09 09:46:41,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (1/1) ... [2020-12-09 09:46:41,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (1/1) ... [2020-12-09 09:46:41,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (1/1) ... [2020-12-09 09:46:41,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (1/1) ... [2020-12-09 09:46:41,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (1/1) ... [2020-12-09 09:46:41,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (1/1) ... [2020-12-09 09:46:41,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 09:46:41,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 09:46:41,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 09:46:41,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 09:46:41,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:46:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 09:46:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 09:46:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 09:46:41,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 09:46:48,396 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 09:46:48,396 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 09:46:48,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:46:48 BoogieIcfgContainer [2020-12-09 09:46:48,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 09:46:48,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 09:46:48,399 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 09:46:48,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 09:46:48,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:46:40" (1/3) ... [2020-12-09 09:46:48,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12be79a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:46:48, skipping insertion in model container [2020-12-09 09:46:48,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:46:41" (2/3) ... [2020-12-09 09:46:48,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12be79a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:46:48, skipping insertion in model container [2020-12-09 09:46:48,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:46:48" (3/3) ... [2020-12-09 09:46:48,404 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label57.c [2020-12-09 09:46:48,413 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 09:46:48,416 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 09:46:48,424 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 09:46:48,443 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 09:46:48,443 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 09:46:48,443 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 09:46:48,443 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 09:46:48,443 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 09:46:48,443 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 09:46:48,443 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 09:46:48,443 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 09:46:48,458 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2020-12-09 09:46:48,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-09 09:46:48,463 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:46:48,463 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] [2020-12-09 09:46:48,468 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:46:48,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:46:48,473 INFO L82 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2020-12-09 09:46:48,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:46:48,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1334529831] [2020-12-09 09:46:48,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:46:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:46:48,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:46:48,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:46:48,616 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 09:46:48,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:46:48,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1334529831] [2020-12-09 09:46:48,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:46:48,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:46:48,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170250345] [2020-12-09 09:46:48,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:46:48,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:46:48,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:46:48,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:46:48,631 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 3 states. [2020-12-09 09:46:58,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:46:58,168 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions. [2020-12-09 09:46:58,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:46:58,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 40 [2020-12-09 09:46:58,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:46:58,183 INFO L225 Difference]: With dead ends: 1122 [2020-12-09 09:46:58,183 INFO L226 Difference]: Without dead ends: 662 [2020-12-09 09:46:58,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 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 09:46:58,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-12-09 09:46:58,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2020-12-09 09:46:58,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2020-12-09 09:46:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 980 transitions. [2020-12-09 09:46:58,240 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 980 transitions. Word has length 40 [2020-12-09 09:46:58,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:46:58,240 INFO L481 AbstractCegarLoop]: Abstraction has 662 states and 980 transitions. [2020-12-09 09:46:58,240 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:46:58,240 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 980 transitions. [2020-12-09 09:46:58,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-09 09:46:58,244 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:46:58,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:46:58,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 09:46:58,446 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:46:58,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:46:58,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1601741054, now seen corresponding path program 1 times [2020-12-09 09:46:58,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:46:58,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989638970] [2020-12-09 09:46:58,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:46:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:46:58,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:46:58,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:46:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:46:58,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:46:58,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989638970] [2020-12-09 09:46:58,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:46:58,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:46:58,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022217873] [2020-12-09 09:46:58,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:46:58,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:46:58,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:46:58,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:46:58,702 INFO L87 Difference]: Start difference. First operand 662 states and 980 transitions. Second operand 3 states. [2020-12-09 09:47:05,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:47:05,276 INFO L93 Difference]: Finished difference Result 1651 states and 2341 transitions. [2020-12-09 09:47:05,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:47:05,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-09 09:47:05,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:47:05,281 INFO L225 Difference]: With dead ends: 1651 [2020-12-09 09:47:05,281 INFO L226 Difference]: Without dead ends: 991 [2020-12-09 09:47:05,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 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 09:47:05,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-12-09 09:47:05,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2020-12-09 09:47:05,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-12-09 09:47:05,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1339 transitions. [2020-12-09 09:47:05,303 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1339 transitions. Word has length 112 [2020-12-09 09:47:05,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:47:05,304 INFO L481 AbstractCegarLoop]: Abstraction has 991 states and 1339 transitions. [2020-12-09 09:47:05,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:47:05,304 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1339 transitions. [2020-12-09 09:47:05,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-09 09:47:05,306 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:47:05,306 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:47:05,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 09:47:05,507 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:47:05,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:47:05,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1940101471, now seen corresponding path program 1 times [2020-12-09 09:47:05,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:47:05,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793720837] [2020-12-09 09:47:05,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:47:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:47:05,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:47:05,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:47:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:47:05,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:47:05,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [793720837] [2020-12-09 09:47:05,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:47:05,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:47:05,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674568179] [2020-12-09 09:47:05,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:47:05,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:47:05,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:47:05,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:47:05,708 INFO L87 Difference]: Start difference. First operand 991 states and 1339 transitions. Second operand 3 states. [2020-12-09 09:47:14,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:47:14,029 INFO L93 Difference]: Finished difference Result 1980 states and 2911 transitions. [2020-12-09 09:47:14,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:47:14,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-12-09 09:47:14,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:47:14,035 INFO L225 Difference]: With dead ends: 1980 [2020-12-09 09:47:14,035 INFO L226 Difference]: Without dead ends: 1320 [2020-12-09 09:47:14,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 125 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 09:47:14,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-12-09 09:47:14,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2020-12-09 09:47:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1320 states. [2020-12-09 09:47:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1734 transitions. [2020-12-09 09:47:14,054 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1734 transitions. Word has length 127 [2020-12-09 09:47:14,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:47:14,055 INFO L481 AbstractCegarLoop]: Abstraction has 1320 states and 1734 transitions. [2020-12-09 09:47:14,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:47:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1734 transitions. [2020-12-09 09:47:14,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-09 09:47:14,059 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:47:14,059 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:47:14,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 09:47:14,261 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:47:14,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:47:14,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1389313218, now seen corresponding path program 1 times [2020-12-09 09:47:14,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:47:14,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856973347] [2020-12-09 09:47:14,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:47:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:47:14,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:47:14,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:47:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:47:14,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:47:14,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856973347] [2020-12-09 09:47:14,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:47:14,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:47:14,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487356968] [2020-12-09 09:47:14,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:47:14,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:47:14,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:47:14,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:47:14,521 INFO L87 Difference]: Start difference. First operand 1320 states and 1734 transitions. Second operand 3 states. [2020-12-09 09:47:23,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:47:23,146 INFO L93 Difference]: Finished difference Result 3625 states and 4838 transitions. [2020-12-09 09:47:23,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:47:23,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-12-09 09:47:23,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:47:23,159 INFO L225 Difference]: With dead ends: 3625 [2020-12-09 09:47:23,159 INFO L226 Difference]: Without dead ends: 2636 [2020-12-09 09:47:23,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 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 09:47:23,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2020-12-09 09:47:23,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636. [2020-12-09 09:47:23,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2636 states. [2020-12-09 09:47:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3170 transitions. [2020-12-09 09:47:23,195 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3170 transitions. Word has length 165 [2020-12-09 09:47:23,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:47:23,196 INFO L481 AbstractCegarLoop]: Abstraction has 2636 states and 3170 transitions. [2020-12-09 09:47:23,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:47:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3170 transitions. [2020-12-09 09:47:23,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-12-09 09:47:23,201 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:47:23,201 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:47:23,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 09:47:23,402 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:47:23,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:47:23,402 INFO L82 PathProgramCache]: Analyzing trace with hash -428945185, now seen corresponding path program 1 times [2020-12-09 09:47:23,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:47:23,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570306340] [2020-12-09 09:47:23,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:47:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:47:23,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 09:47:23,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:47:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 240 proven. 56 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-09 09:47:23,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:47:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 240 proven. 56 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-09 09:47:24,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570306340] [2020-12-09 09:47:24,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [728981531] [2020-12-09 09:47:24,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt [2020-12-09 09:47:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:47:24,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 09:47:24,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:47:24,888 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:47:24,891 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:47:25,182 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 297 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:47:25,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:47:25,516 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 09:47:25,516 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:47:25,517 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:47:25,520 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 09:47:25,523 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:47:25,523 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:47:25,526 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 09:47:25,528 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 09:47:25,530 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 09:47:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 337 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:47:25,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101846212] [2020-12-09 09:47:25,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:47:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:47:25,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 09:47:25,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:47:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-12-09 09:47:26,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:47:26,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 09:47:26,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3, 3, 8, 8] total 17 [2020-12-09 09:47:26,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551357025] [2020-12-09 09:47:26,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 09:47:26,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:47:26,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 09:47:26,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-12-09 09:47:26,083 INFO L87 Difference]: Start difference. First operand 2636 states and 3170 transitions. Second operand 4 states. [2020-12-09 09:47:43,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:47:43,845 INFO L93 Difference]: Finished difference Result 6293 states and 8053 transitions. [2020-12-09 09:47:43,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 09:47:43,845 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 300 [2020-12-09 09:47:43,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:47:43,859 INFO L225 Difference]: With dead ends: 6293 [2020-12-09 09:47:43,859 INFO L226 Difference]: Without dead ends: 3988 [2020-12-09 09:47:43,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1497 GetRequests, 1481 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-12-09 09:47:43,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3988 states. [2020-12-09 09:47:43,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3988 to 3623. [2020-12-09 09:47:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3623 states. [2020-12-09 09:47:43,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3623 states and 4472 transitions. [2020-12-09 09:47:43,910 INFO L78 Accepts]: Start accepts. Automaton has 3623 states and 4472 transitions. Word has length 300 [2020-12-09 09:47:43,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:47:43,911 INFO L481 AbstractCegarLoop]: Abstraction has 3623 states and 4472 transitions. [2020-12-09 09:47:43,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 09:47:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 3623 states and 4472 transitions. [2020-12-09 09:47:43,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2020-12-09 09:47:43,916 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:47:43,916 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, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-12-09 09:47:44,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt,6 mathsat -unsat_core_generation=3,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 09:47:44,518 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:47:44,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:47:44,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1341319908, now seen corresponding path program 1 times [2020-12-09 09:47:44,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:47:44,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427774055] [2020-12-09 09:47:44,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:47:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:47:44,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 09:47:44,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:47:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 364 proven. 56 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-12-09 09:47:44,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:47:45,482 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 364 proven. 56 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-12-09 09:47:45,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427774055] [2020-12-09 09:47:45,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1000846566] [2020-12-09 09:47:45,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:47:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:47:45,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 09:47:45,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:47:45,963 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:47:45,965 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:47:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 500 proven. 59 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-09 09:47:46,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:47:46,608 INFO L639 QuantifierPusher]: Distributing 3 disjuncts over 3 conjuncts [2020-12-09 09:47:46,609 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:47:46,609 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:47:46,612 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 09:47:46,614 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:47:46,614 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-12-09 09:47:46,616 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 09:47:46,618 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 09:47:46,619 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 09:47:46,827 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 540 proven. 19 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-09 09:47:46,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224907543] [2020-12-09 09:47:46,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:47:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:47:46,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 09:47:46,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:47:47,550 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2020-12-09 09:47:47,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:47:47,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2020-12-09 09:47:47,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [3, 3, 8, 8] total 20 [2020-12-09 09:47:47,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691398671] [2020-12-09 09:47:47,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 09:47:47,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:47:47,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 09:47:47,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-12-09 09:47:47,552 INFO L87 Difference]: Start difference. First operand 3623 states and 4472 transitions. Second operand 7 states. [2020-12-09 09:48:10,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:48:10,466 INFO L93 Difference]: Finished difference Result 7019 states and 8758 transitions. [2020-12-09 09:48:10,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 09:48:10,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 375 [2020-12-09 09:48:10,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:48:10,482 INFO L225 Difference]: With dead ends: 7019 [2020-12-09 09:48:10,482 INFO L226 Difference]: Without dead ends: 3952 [2020-12-09 09:48:10,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1870 GetRequests, 1851 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-12-09 09:48:10,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-12-09 09:48:10,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2020-12-09 09:48:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2020-12-09 09:48:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4270 transitions. [2020-12-09 09:48:10,552 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4270 transitions. Word has length 375 [2020-12-09 09:48:10,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:48:10,553 INFO L481 AbstractCegarLoop]: Abstraction has 3952 states and 4270 transitions. [2020-12-09 09:48:10,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 09:48:10,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4270 transitions. [2020-12-09 09:48:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-12-09 09:48:10,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:48:10,565 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:48:11,167 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 09:48:11,169 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:48:11,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:48:11,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1870054913, now seen corresponding path program 1 times [2020-12-09 09:48:11,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:48:11,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [404760836] [2020-12-09 09:48:11,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:48:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:48:11,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 09:48:11,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:48:11,852 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-09 09:48:11,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:48:11,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [404760836] [2020-12-09 09:48:11,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:48:11,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:48:11,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736598305] [2020-12-09 09:48:11,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 09:48:11,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:48:11,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 09:48:11,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 09:48:11,854 INFO L87 Difference]: Start difference. First operand 3952 states and 4270 transitions. Second operand 4 states. [2020-12-09 09:48:16,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:48:16,179 INFO L93 Difference]: Finished difference Result 7573 states and 8207 transitions. [2020-12-09 09:48:16,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 09:48:16,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 468 [2020-12-09 09:48:16,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:48:16,194 INFO L225 Difference]: With dead ends: 7573 [2020-12-09 09:48:16,194 INFO L226 Difference]: Without dead ends: 3952 [2020-12-09 09:48:16,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 467 GetRequests, 465 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 09:48:16,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-12-09 09:48:16,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2020-12-09 09:48:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3952 states. [2020-12-09 09:48:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4263 transitions. [2020-12-09 09:48:16,234 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4263 transitions. Word has length 468 [2020-12-09 09:48:16,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:48:16,235 INFO L481 AbstractCegarLoop]: Abstraction has 3952 states and 4263 transitions. [2020-12-09 09:48:16,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 09:48:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4263 transitions. [2020-12-09 09:48:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-12-09 09:48:16,238 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:48:16,239 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:48:16,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-12-09 09:48:16,440 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:48:16,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:48:16,442 INFO L82 PathProgramCache]: Analyzing trace with hash -450790913, now seen corresponding path program 1 times [2020-12-09 09:48:16,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:48:16,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824150886] [2020-12-09 09:48:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-12-09 09:48:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:48:16,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-09 09:48:16,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:48:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 536 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-12-09 09:48:17,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:48:17,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824150886] [2020-12-09 09:48:17,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:48:17,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 09:48:17,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297272951] [2020-12-09 09:48:17,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:48:17,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:48:17,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:48:17,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:48:17,071 INFO L87 Difference]: Start difference. First operand 3952 states and 4263 transitions. Second operand 3 states. [2020-12-09 09:48:21,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:48:21,716 INFO L93 Difference]: Finished difference Result 8231 states and 8983 transitions. [2020-12-09 09:48:21,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:48:21,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 572 [2020-12-09 09:48:21,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:48:21,737 INFO L225 Difference]: With dead ends: 8231 [2020-12-09 09:48:21,737 INFO L226 Difference]: Without dead ends: 4939 [2020-12-09 09:48:21,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 570 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 09:48:21,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2020-12-09 09:48:21,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4939. [2020-12-09 09:48:21,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4939 states. [2020-12-09 09:48:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 5274 transitions. [2020-12-09 09:48:21,793 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 5274 transitions. Word has length 572 [2020-12-09 09:48:21,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:48:21,793 INFO L481 AbstractCegarLoop]: Abstraction has 4939 states and 5274 transitions. [2020-12-09 09:48:21,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:48:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5274 transitions. [2020-12-09 09:48:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2020-12-09 09:48:21,799 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:48:21,799 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, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 09:48:22,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-12-09 09:48:22,001 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:48:22,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:48:22,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1428238810, now seen corresponding path program 1 times [2020-12-09 09:48:22,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:48:22,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062637798] [2020-12-09 09:48:22,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/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 09:48:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:48:22,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 09:48:22,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:48:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2020-12-09 09:48:23,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:48:23,201 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062637798] [2020-12-09 09:48:23,201 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:48:23,201 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:48:23,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115406806] [2020-12-09 09:48:23,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 09:48:23,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:48:23,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 09:48:23,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 09:48:23,202 INFO L87 Difference]: Start difference. First operand 4939 states and 5274 transitions. Second operand 3 states. [2020-12-09 09:48:26,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:48:26,632 INFO L93 Difference]: Finished difference Result 9218 states and 9884 transitions. [2020-12-09 09:48:26,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 09:48:26,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 662 [2020-12-09 09:48:26,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:48:26,650 INFO L225 Difference]: With dead ends: 9218 [2020-12-09 09:48:26,650 INFO L226 Difference]: Without dead ends: 4939 [2020-12-09 09:48:26,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 661 GetRequests, 660 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 09:48:26,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2020-12-09 09:48:26,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4939. [2020-12-09 09:48:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4939 states. [2020-12-09 09:48:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 4939 states and 5273 transitions. [2020-12-09 09:48:26,695 INFO L78 Accepts]: Start accepts. Automaton has 4939 states and 5273 transitions. Word has length 662 [2020-12-09 09:48:26,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:48:26,695 INFO L481 AbstractCegarLoop]: Abstraction has 4939 states and 5273 transitions. [2020-12-09 09:48:26,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 09:48:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 4939 states and 5273 transitions. [2020-12-09 09:48:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2020-12-09 09:48:26,706 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:48:26,707 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-09 09:48:26,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-12-09 09:48:26,908 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:48:26,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:48:26,908 INFO L82 PathProgramCache]: Analyzing trace with hash -2145014529, now seen corresponding path program 1 times [2020-12-09 09:48:26,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:48:26,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625423875] [2020-12-09 09:48:26,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-12-09 09:48:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:48:27,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-09 09:48:27,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:48:28,613 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 316 proven. 317 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-12-09 09:48:28,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 09:48:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 316 proven. 317 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-12-09 09:48:30,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625423875] [2020-12-09 09:48:30,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [416394535] [2020-12-09 09:48:30,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt [2020-12-09 09:48:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:48:31,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 09:48:31,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:48:31,382 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:48:31,383 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:48:31,383 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:48:31,385 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:48:31,388 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-09 09:48:31,389 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:48:31,391 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:48:31,393 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 09:48:31,735 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2020-12-09 09:48:31,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:48:31,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2020-12-09 09:48:31,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4] total 11 [2020-12-09 09:48:31,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196878462] [2020-12-09 09:48:31,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 09:48:31,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:48:31,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 09:48:31,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-12-09 09:48:31,737 INFO L87 Difference]: Start difference. First operand 4939 states and 5273 transitions. Second operand 6 states. [2020-12-09 09:48:40,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:48:40,646 INFO L93 Difference]: Finished difference Result 11218 states and 12241 transitions. [2020-12-09 09:48:40,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 09:48:40,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 721 [2020-12-09 09:48:40,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:48:40,648 INFO L225 Difference]: With dead ends: 11218 [2020-12-09 09:48:40,648 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 09:48:40,653 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2160 GetRequests, 2151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-12-09 09:48:40,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 09:48:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 09:48:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 09:48:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 09:48:40,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 721 [2020-12-09 09:48:40,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:48:40,654 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 09:48:40,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 09:48:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 09:48:40,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 09:48:41,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 cvc4 --incremental --print-success --lang smt,15 mathsat -unsat_core_generation=3 [2020-12-09 09:48:41,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 09:48:41,243 INFO L262 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,244 INFO L262 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,245 INFO L262 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-12-09 09:48:41,246 INFO L262 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L258 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (or (not (bvsge (_ bv134 32) ~a18~0)) (not (= (_ bv10 32) ~a16~0)) (not (bvslt (_ bv4294967217 32) ~a18~0)) (= (_ bv5 32) ~a12~0) (and (= (_ bv8 32) ~a12~0) (= (_ bv3 32) ~a15~0)) (= (_ bv6 32) ~a12~0)) [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,247 INFO L262 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,248 INFO L262 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L258 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (or (not (bvsge (_ bv134 32) ~a18~0)) (not (= (_ bv10 32) ~a16~0)) (not (bvslt (_ bv4294967217 32) ~a18~0)) (= (_ bv5 32) ~a12~0) (and (= (_ bv8 32) ~a12~0) (= (_ bv3 32) ~a15~0)) (= (_ bv6 32) ~a12~0)) [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,249 INFO L262 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L265 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,250 INFO L262 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 137) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L258 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (or (not (bvsge (_ bv134 32) ~a18~0)) (not (= (_ bv10 32) ~a16~0)) (not (bvslt (_ bv4294967217 32) ~a18~0)) (= (_ bv5 32) ~a12~0) (and (= (_ bv8 32) ~a12~0) (= (_ bv3 32) ~a15~0)) (= (_ bv6 32) ~a12~0)) [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,251 INFO L262 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,252 INFO L262 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-12-09 09:48:41,253 INFO L262 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,254 INFO L262 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,255 INFO L262 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-12-09 09:48:41,256 INFO L262 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-12-09 09:48:41,258 INFO L262 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-12-09 09:48:41,258 INFO L262 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,258 INFO L262 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,258 INFO L262 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,258 INFO L262 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,258 INFO L262 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,258 INFO L262 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,258 INFO L262 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,258 INFO L262 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,258 INFO L262 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,259 INFO L262 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,260 INFO L262 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,261 INFO L262 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,262 INFO L262 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,263 INFO L262 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,264 INFO L262 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-12-09 09:48:41,264 INFO L262 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-12-09 09:48:41,264 INFO L262 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,264 INFO L262 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,264 INFO L262 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-12-09 09:48:41,264 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 09:48:41,264 INFO L262 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-12-09 09:48:41,264 INFO L262 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-12-09 09:48:41,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:48:41 BoogieIcfgContainer [2020-12-09 09:48:41,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 09:48:41,281 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 09:48:41,281 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 09:48:41,281 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 09:48:41,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:46:48" (3/4) ... [2020-12-09 09:48:41,284 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 09:48:41,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-09 09:48:41,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 09:48:41,321 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 09:48:41,324 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 09:48:41,491 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_be6c390c-12a6-4e2b-ad2e-f14f3b810ec9/bin/utaipan/witness.graphml [2020-12-09 09:48:41,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 09:48:41,493 INFO L168 Benchmark]: Toolchain (without parser) took 120545.26 ms. Allocated memory was 54.5 MB in the beginning and 327.2 MB in the end (delta: 272.6 MB). Free memory was 29.0 MB in the beginning and 199.0 MB in the end (delta: -170.0 MB). Peak memory consumption was 103.5 MB. Max. memory is 16.1 GB. [2020-12-09 09:48:41,493 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 54.5 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:48:41,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.17 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 28.8 MB in the beginning and 41.3 MB in the end (delta: -12.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-12-09 09:48:41,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.92 ms. Allocated memory is still 71.3 MB. Free memory was 41.3 MB in the beginning and 29.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 09:48:41,494 INFO L168 Benchmark]: Boogie Preprocessor took 86.49 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 29.0 MB in the beginning and 49.3 MB in the end (delta: -20.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-12-09 09:48:41,495 INFO L168 Benchmark]: RCFGBuilder took 6499.69 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 49.3 MB in the beginning and 35.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2020-12-09 09:48:41,495 INFO L168 Benchmark]: TraceAbstraction took 112881.25 ms. Allocated memory was 107.0 MB in the beginning and 327.2 MB in the end (delta: 220.2 MB). Free memory was 34.9 MB in the beginning and 237.1 MB in the end (delta: -202.2 MB). Peak memory consumption was 207.9 MB. Max. memory is 16.1 GB. [2020-12-09 09:48:41,496 INFO L168 Benchmark]: Witness Printer took 210.18 ms. Allocated memory is still 327.2 MB. Free memory was 236.1 MB in the beginning and 199.0 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-09 09:48:41,498 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 54.5 MB. Free memory is still 37.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 773.17 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 28.8 MB in the beginning and 41.3 MB in the end (delta: -12.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.92 ms. Allocated memory is still 71.3 MB. Free memory was 41.3 MB in the beginning and 29.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 86.49 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 29.0 MB in the beginning and 49.3 MB in the end (delta: -20.3 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 6499.69 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 49.3 MB in the beginning and 35.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 112881.25 ms. Allocated memory was 107.0 MB in the beginning and 327.2 MB in the end (delta: 220.2 MB). Free memory was 34.9 MB in the beginning and 237.1 MB in the end (delta: -202.2 MB). Peak memory consumption was 207.9 MB. Max. memory is 16.1 GB. * Witness Printer took 210.18 ms. Allocated memory is still 327.2 MB. Free memory was 236.1 MB in the beginning and 199.0 MB in the end (delta: 37.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 137]: 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: 1504]: Loop Invariant Derived loop invariant: ((((!~bvsge32(134bv32, a18) || !(10bv32 == a16)) || !~bvslt32(4294967217bv32, a18)) || 5bv32 == a12) || (8bv32 == a12 && 3bv32 == a15)) || 6bv32 == a12 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((!~bvsge32(134bv32, a18) || !(10bv32 == a16)) || !~bvslt32(4294967217bv32, a18)) || 5bv32 == a12) || (8bv32 == a12 && 3bv32 == a15)) || 6bv32 == a12 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((!~bvsge32(134bv32, a18) || !(10bv32 == a16)) || !~bvslt32(4294967217bv32, a18)) || 5bv32 == a12) || (8bv32 == a12 && 3bv32 == a15)) || 6bv32 == a12 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 112.6s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 95.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2639 SDtfs, 3683 SDslu, 106 SDs, 0 SdLazy, 12059 SolverSat, 2718 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7666 GetRequests, 7614 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4939occurred in iteration=8, 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, 10 MinimizatonAttempts, 365 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 84 NumberOfFragments, 79 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1831 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 5613 NumberOfCodeBlocks, 5613 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 7664 ConstructedInterpolants, 0 QuantifiedInterpolants, 20483181 SizeOfPredicates, 36 NumberOfNonLiveVariables, 6570 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 8295/9309 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...