./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label19.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c0d159aae5e92da2265ebc6fa83c2485d0899a5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:40:21,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:40:21,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:40:21,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:40:21,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:40:21,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:40:21,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:40:21,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:40:21,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:40:21,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:40:21,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:40:21,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:40:21,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:40:21,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:40:21,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:40:21,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:40:21,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:40:21,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:40:21,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:40:21,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:40:21,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:40:21,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:40:21,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:40:21,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:40:21,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:40:21,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:40:21,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:40:21,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:40:21,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:40:21,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:40:21,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:40:21,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:40:21,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:40:21,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:40:21,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:40:21,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:40:21,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:40:21,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:40:21,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:40:21,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:40:21,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:40:21,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:40:21,759 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:40:21,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:40:21,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:40:21,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:40:21,762 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:40:21,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:40:21,763 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:40:21,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:40:21,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:40:21,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:40:21,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:40:21,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:40:21,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:40:21,766 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:40:21,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:40:21,766 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:40:21,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:40:21,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:40:21,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:40:21,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:40:21,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:40:21,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:40:21,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:40:21,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:40:21,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:40:21,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:40:21,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:40:21,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:40:21,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:40:21,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c0d159aae5e92da2265ebc6fa83c2485d0899a5 [2020-11-30 00:40:22,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:40:22,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:40:22,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:40:22,206 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:40:22,208 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:40:22,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem15_label19.c [2020-11-30 00:40:22,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/data/4d8cd01ff/8d1ca5c9a58143ae80c32b1ffe08f009/FLAGc4ce36890 [2020-11-30 00:40:23,028 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:40:23,029 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/sv-benchmarks/c/eca-rers2012/Problem15_label19.c [2020-11-30 00:40:23,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/data/4d8cd01ff/8d1ca5c9a58143ae80c32b1ffe08f009/FLAGc4ce36890 [2020-11-30 00:40:23,164 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/data/4d8cd01ff/8d1ca5c9a58143ae80c32b1ffe08f009 [2020-11-30 00:40:23,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:40:23,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:40:23,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:40:23,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:40:23,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:40:23,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:40:23" (1/1) ... [2020-11-30 00:40:23,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d405a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:23, skipping insertion in model container [2020-11-30 00:40:23,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:40:23" (1/1) ... [2020-11-30 00:40:23,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:40:23,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:40:24,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:40:24,327 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:40:24,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:40:24,791 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:40:24,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24 WrapperNode [2020-11-30 00:40:24,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:40:24,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:40:24,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:40:24,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:40:24,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (1/1) ... [2020-11-30 00:40:24,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (1/1) ... [2020-11-30 00:40:25,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:40:25,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:40:25,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:40:25,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:40:25,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (1/1) ... [2020-11-30 00:40:25,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (1/1) ... [2020-11-30 00:40:25,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (1/1) ... [2020-11-30 00:40:25,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (1/1) ... [2020-11-30 00:40:25,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (1/1) ... [2020-11-30 00:40:25,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (1/1) ... [2020-11-30 00:40:25,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (1/1) ... [2020-11-30 00:40:25,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:40:25,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:40:25,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:40:25,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:40:25,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/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 [2020-11-30 00:40:25,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:40:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:40:25,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:40:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:40:29,669 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:40:29,670 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-30 00:40:29,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:40:29 BoogieIcfgContainer [2020-11-30 00:40:29,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:40:29,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:40:29,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:40:29,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:40:29,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:40:23" (1/3) ... [2020-11-30 00:40:29,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71366979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:40:29, skipping insertion in model container [2020-11-30 00:40:29,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:40:24" (2/3) ... [2020-11-30 00:40:29,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71366979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:40:29, skipping insertion in model container [2020-11-30 00:40:29,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:40:29" (3/3) ... [2020-11-30 00:40:29,682 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label19.c [2020-11-30 00:40:29,694 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:40:29,700 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:40:29,714 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:40:29,743 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:40:29,744 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:40:29,744 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:40:29,744 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:40:29,745 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:40:29,745 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:40:29,745 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:40:29,745 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:40:29,771 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2020-11-30 00:40:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-30 00:40:29,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:40:29,780 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:40:29,781 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:40:29,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:40:29,787 INFO L82 PathProgramCache]: Analyzing trace with hash -2068820151, now seen corresponding path program 1 times [2020-11-30 00:40:29,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:40:29,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090990459] [2020-11-30 00:40:29,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:40:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:40:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:40:30,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090990459] [2020-11-30 00:40:30,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:40:30,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:40:30,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595340961] [2020-11-30 00:40:30,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:40:30,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:40:30,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:40:30,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:40:30,192 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 3 states. [2020-11-30 00:40:37,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:40:37,322 INFO L93 Difference]: Finished difference Result 1198 states and 2164 transitions. [2020-11-30 00:40:37,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:40:37,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-11-30 00:40:37,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:40:37,358 INFO L225 Difference]: With dead ends: 1198 [2020-11-30 00:40:37,358 INFO L226 Difference]: Without dead ends: 694 [2020-11-30 00:40:37,364 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 [2020-11-30 00:40:37,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-11-30 00:40:37,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 684. [2020-11-30 00:40:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 684 states. [2020-11-30 00:40:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1174 transitions. [2020-11-30 00:40:37,491 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1174 transitions. Word has length 45 [2020-11-30 00:40:37,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:40:37,492 INFO L481 AbstractCegarLoop]: Abstraction has 684 states and 1174 transitions. [2020-11-30 00:40:37,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:40:37,492 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1174 transitions. [2020-11-30 00:40:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-11-30 00:40:37,498 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:40:37,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:40:37,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:40:37,499 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:40:37,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:40:37,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1232558063, now seen corresponding path program 1 times [2020-11-30 00:40:37,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:40:37,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201956127] [2020-11-30 00:40:37,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:40:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:40:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:40:37,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201956127] [2020-11-30 00:40:37,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:40:37,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:40:37,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116353826] [2020-11-30 00:40:37,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:40:37,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:40:37,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:40:37,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:40:37,801 INFO L87 Difference]: Start difference. First operand 684 states and 1174 transitions. Second operand 3 states. [2020-11-30 00:40:41,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:40:41,215 INFO L93 Difference]: Finished difference Result 1681 states and 2896 transitions. [2020-11-30 00:40:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:40:41,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-11-30 00:40:41,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:40:41,224 INFO L225 Difference]: With dead ends: 1681 [2020-11-30 00:40:41,225 INFO L226 Difference]: Without dead ends: 999 [2020-11-30 00:40:41,229 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 [2020-11-30 00:40:41,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-11-30 00:40:41,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 989. [2020-11-30 00:40:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 989 states. [2020-11-30 00:40:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1600 transitions. [2020-11-30 00:40:41,269 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1600 transitions. Word has length 110 [2020-11-30 00:40:41,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:40:41,274 INFO L481 AbstractCegarLoop]: Abstraction has 989 states and 1600 transitions. [2020-11-30 00:40:41,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:40:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1600 transitions. [2020-11-30 00:40:41,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-11-30 00:40:41,278 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:40:41,278 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:40:41,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:40:41,279 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:40:41,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:40:41,280 INFO L82 PathProgramCache]: Analyzing trace with hash -716434222, now seen corresponding path program 1 times [2020-11-30 00:40:41,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:40:41,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786836425] [2020-11-30 00:40:41,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:40:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:40:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:40:41,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786836425] [2020-11-30 00:40:41,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:40:41,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:40:41,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411485184] [2020-11-30 00:40:41,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:40:41,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:40:41,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:40:41,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:40:41,450 INFO L87 Difference]: Start difference. First operand 989 states and 1600 transitions. Second operand 3 states. [2020-11-30 00:40:44,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:40:44,538 INFO L93 Difference]: Finished difference Result 2575 states and 4255 transitions. [2020-11-30 00:40:44,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:40:44,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-11-30 00:40:44,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:40:44,553 INFO L225 Difference]: With dead ends: 2575 [2020-11-30 00:40:44,554 INFO L226 Difference]: Without dead ends: 1588 [2020-11-30 00:40:44,556 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 [2020-11-30 00:40:44,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2020-11-30 00:40:44,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1584. [2020-11-30 00:40:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1584 states. [2020-11-30 00:40:44,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1584 states and 2214 transitions. [2020-11-30 00:40:44,607 INFO L78 Accepts]: Start accepts. Automaton has 1584 states and 2214 transitions. Word has length 111 [2020-11-30 00:40:44,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:40:44,608 INFO L481 AbstractCegarLoop]: Abstraction has 1584 states and 2214 transitions. [2020-11-30 00:40:44,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:40:44,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 2214 transitions. [2020-11-30 00:40:44,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-11-30 00:40:44,611 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:40:44,612 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:40:44,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:40:44,612 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:40:44,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:40:44,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1600300004, now seen corresponding path program 1 times [2020-11-30 00:40:44,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:40:44,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051828281] [2020-11-30 00:40:44,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:40:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:40:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:40:44,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051828281] [2020-11-30 00:40:44,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:40:44,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:40:44,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401896325] [2020-11-30 00:40:44,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:40:44,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:40:44,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:40:44,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:40:44,818 INFO L87 Difference]: Start difference. First operand 1584 states and 2214 transitions. Second operand 5 states. [2020-11-30 00:40:48,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:40:48,975 INFO L93 Difference]: Finished difference Result 4098 states and 5896 transitions. [2020-11-30 00:40:48,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:40:48,976 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-11-30 00:40:48,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:40:48,996 INFO L225 Difference]: With dead ends: 4098 [2020-11-30 00:40:48,996 INFO L226 Difference]: Without dead ends: 2815 [2020-11-30 00:40:49,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:40:49,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2020-11-30 00:40:49,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2483. [2020-11-30 00:40:49,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2483 states. [2020-11-30 00:40:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 2483 states and 3217 transitions. [2020-11-30 00:40:49,082 INFO L78 Accepts]: Start accepts. Automaton has 2483 states and 3217 transitions. Word has length 115 [2020-11-30 00:40:49,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:40:49,085 INFO L481 AbstractCegarLoop]: Abstraction has 2483 states and 3217 transitions. [2020-11-30 00:40:49,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:40:49,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3217 transitions. [2020-11-30 00:40:49,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-11-30 00:40:49,093 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:40:49,114 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:40:49,114 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:40:49,125 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:40:49,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:40:49,126 INFO L82 PathProgramCache]: Analyzing trace with hash -105393474, now seen corresponding path program 1 times [2020-11-30 00:40:49,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:40:49,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682112834] [2020-11-30 00:40:49,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:40:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:40:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:40:49,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682112834] [2020-11-30 00:40:49,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:40:49,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:40:49,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661025347] [2020-11-30 00:40:49,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:40:49,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:40:49,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:40:49,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:40:49,416 INFO L87 Difference]: Start difference. First operand 2483 states and 3217 transitions. Second operand 3 states. [2020-11-30 00:40:52,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:40:52,231 INFO L93 Difference]: Finished difference Result 7358 states and 9526 transitions. [2020-11-30 00:40:52,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:40:52,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-11-30 00:40:52,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:40:52,252 INFO L225 Difference]: With dead ends: 7358 [2020-11-30 00:40:52,252 INFO L226 Difference]: Without dead ends: 3681 [2020-11-30 00:40:52,256 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:40:52,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3681 states. [2020-11-30 00:40:52,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3681 to 3681. [2020-11-30 00:40:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3681 states. [2020-11-30 00:40:52,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 3681 states and 4304 transitions. [2020-11-30 00:40:52,345 INFO L78 Accepts]: Start accepts. Automaton has 3681 states and 4304 transitions. Word has length 136 [2020-11-30 00:40:52,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:40:52,346 INFO L481 AbstractCegarLoop]: Abstraction has 3681 states and 4304 transitions. [2020-11-30 00:40:52,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:40:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 3681 states and 4304 transitions. [2020-11-30 00:40:52,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-11-30 00:40:52,351 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:40:52,351 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:40:52,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:40:52,352 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:40:52,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:40:52,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1421004014, now seen corresponding path program 1 times [2020-11-30 00:40:52,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:40:52,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032942350] [2020-11-30 00:40:52,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:40:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:40:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:40:52,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032942350] [2020-11-30 00:40:52,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:40:52,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:40:52,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264062793] [2020-11-30 00:40:52,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:40:52,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:40:52,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:40:52,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:40:52,693 INFO L87 Difference]: Start difference. First operand 3681 states and 4304 transitions. Second operand 4 states. [2020-11-30 00:40:58,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:40:58,074 INFO L93 Difference]: Finished difference Result 11271 states and 13176 transitions. [2020-11-30 00:40:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:40:58,075 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 278 [2020-11-30 00:40:58,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:40:58,116 INFO L225 Difference]: With dead ends: 11271 [2020-11-30 00:40:58,116 INFO L226 Difference]: Without dead ends: 7293 [2020-11-30 00:40:58,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:40:58,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7293 states. [2020-11-30 00:40:58,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7293 to 6081. [2020-11-30 00:40:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6081 states. [2020-11-30 00:40:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 7197 transitions. [2020-11-30 00:40:58,306 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 7197 transitions. Word has length 278 [2020-11-30 00:40:58,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:40:58,307 INFO L481 AbstractCegarLoop]: Abstraction has 6081 states and 7197 transitions. [2020-11-30 00:40:58,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:40:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 7197 transitions. [2020-11-30 00:40:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-11-30 00:40:58,313 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:40:58,314 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:40:58,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:40:58,314 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:40:58,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:40:58,315 INFO L82 PathProgramCache]: Analyzing trace with hash 223229284, now seen corresponding path program 1 times [2020-11-30 00:40:58,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:40:58,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729239447] [2020-11-30 00:40:58,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:40:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:40:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:40:58,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729239447] [2020-11-30 00:40:58,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110613994] [2020-11-30 00:40:58,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/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 [2020-11-30 00:40:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:40:59,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:40:59,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:40:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-11-30 00:40:59,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:40:59,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-11-30 00:40:59,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913527202] [2020-11-30 00:40:59,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:40:59,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:40:59,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:40:59,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:40:59,440 INFO L87 Difference]: Start difference. First operand 6081 states and 7197 transitions. Second operand 3 states. [2020-11-30 00:41:02,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:02,630 INFO L93 Difference]: Finished difference Result 14261 states and 16970 transitions. [2020-11-30 00:41:02,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:02,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 315 [2020-11-30 00:41:02,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:02,671 INFO L225 Difference]: With dead ends: 14261 [2020-11-30 00:41:02,672 INFO L226 Difference]: Without dead ends: 8182 [2020-11-30 00:41:02,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:41:02,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8182 states. [2020-11-30 00:41:02,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8182 to 8180. [2020-11-30 00:41:02,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8180 states. [2020-11-30 00:41:02,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8180 states to 8180 states and 9529 transitions. [2020-11-30 00:41:02,966 INFO L78 Accepts]: Start accepts. Automaton has 8180 states and 9529 transitions. Word has length 315 [2020-11-30 00:41:02,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:02,967 INFO L481 AbstractCegarLoop]: Abstraction has 8180 states and 9529 transitions. [2020-11-30 00:41:02,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:02,967 INFO L276 IsEmpty]: Start isEmpty. Operand 8180 states and 9529 transitions. [2020-11-30 00:41:02,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-11-30 00:41:02,973 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:02,974 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:41:03,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-11-30 00:41:03,202 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:03,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:03,203 INFO L82 PathProgramCache]: Analyzing trace with hash -937665177, now seen corresponding path program 1 times [2020-11-30 00:41:03,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:03,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762745387] [2020-11-30 00:41:03,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-11-30 00:41:03,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762745387] [2020-11-30 00:41:03,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:41:03,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:41:03,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117007127] [2020-11-30 00:41:03,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:41:03,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:03,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:41:03,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:03,703 INFO L87 Difference]: Start difference. First operand 8180 states and 9529 transitions. Second operand 3 states. [2020-11-30 00:41:06,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:06,361 INFO L93 Difference]: Finished difference Result 16059 states and 18753 transitions. [2020-11-30 00:41:06,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:06,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 328 [2020-11-30 00:41:06,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:06,394 INFO L225 Difference]: With dead ends: 16059 [2020-11-30 00:41:06,394 INFO L226 Difference]: Without dead ends: 8180 [2020-11-30 00:41:06,404 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 [2020-11-30 00:41:06,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8180 states. [2020-11-30 00:41:06,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8180 to 8180. [2020-11-30 00:41:06,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8180 states. [2020-11-30 00:41:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8180 states to 8180 states and 9527 transitions. [2020-11-30 00:41:06,565 INFO L78 Accepts]: Start accepts. Automaton has 8180 states and 9527 transitions. Word has length 328 [2020-11-30 00:41:06,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:06,565 INFO L481 AbstractCegarLoop]: Abstraction has 8180 states and 9527 transitions. [2020-11-30 00:41:06,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 8180 states and 9527 transitions. [2020-11-30 00:41:06,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-11-30 00:41:06,575 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:06,576 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:41:06,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:41:06,576 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:06,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:06,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1678063047, now seen corresponding path program 1 times [2020-11-30 00:41:06,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:06,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384885807] [2020-11-30 00:41:06,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:07,449 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 85 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:41:07,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384885807] [2020-11-30 00:41:07,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801861378] [2020-11-30 00:41:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:41:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:07,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:41:07,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:41:07,782 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:41:07,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:41:07,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 00:41:07,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127699496] [2020-11-30 00:41:07,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:41:07,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:07,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:41:07,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:41:07,785 INFO L87 Difference]: Start difference. First operand 8180 states and 9527 transitions. Second operand 3 states. [2020-11-30 00:41:12,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:12,433 INFO L93 Difference]: Finished difference Result 20253 states and 23986 transitions. [2020-11-30 00:41:12,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:12,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 402 [2020-11-30 00:41:12,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:12,471 INFO L225 Difference]: With dead ends: 20253 [2020-11-30 00:41:12,471 INFO L226 Difference]: Without dead ends: 12374 [2020-11-30 00:41:12,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:41:12,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12374 states. [2020-11-30 00:41:12,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12374 to 12365. [2020-11-30 00:41:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12365 states. [2020-11-30 00:41:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12365 states to 12365 states and 14038 transitions. [2020-11-30 00:41:12,738 INFO L78 Accepts]: Start accepts. Automaton has 12365 states and 14038 transitions. Word has length 402 [2020-11-30 00:41:12,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:12,739 INFO L481 AbstractCegarLoop]: Abstraction has 12365 states and 14038 transitions. [2020-11-30 00:41:12,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 12365 states and 14038 transitions. [2020-11-30 00:41:12,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2020-11-30 00:41:12,749 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:12,750 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:41:12,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:41:12,966 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:12,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:12,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1854092974, now seen corresponding path program 1 times [2020-11-30 00:41:12,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:12,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848410320] [2020-11-30 00:41:12,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-11-30 00:41:13,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848410320] [2020-11-30 00:41:13,407 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:41:13,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:41:13,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532880495] [2020-11-30 00:41:13,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:41:13,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:13,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:41:13,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:13,410 INFO L87 Difference]: Start difference. First operand 12365 states and 14038 transitions. Second operand 3 states. [2020-11-30 00:41:16,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:16,063 INFO L93 Difference]: Finished difference Result 28023 states and 32199 transitions. [2020-11-30 00:41:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:16,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 422 [2020-11-30 00:41:16,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:16,096 INFO L225 Difference]: With dead ends: 28023 [2020-11-30 00:41:16,096 INFO L226 Difference]: Without dead ends: 15959 [2020-11-30 00:41:16,112 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:16,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15959 states. [2020-11-30 00:41:16,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15959 to 13863. [2020-11-30 00:41:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13863 states. [2020-11-30 00:41:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13863 states to 13863 states and 15650 transitions. [2020-11-30 00:41:16,487 INFO L78 Accepts]: Start accepts. Automaton has 13863 states and 15650 transitions. Word has length 422 [2020-11-30 00:41:16,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:16,489 INFO L481 AbstractCegarLoop]: Abstraction has 13863 states and 15650 transitions. [2020-11-30 00:41:16,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 13863 states and 15650 transitions. [2020-11-30 00:41:16,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2020-11-30 00:41:16,500 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:16,501 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:41:16,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:41:16,502 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:16,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:16,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1460505094, now seen corresponding path program 1 times [2020-11-30 00:41:16,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:16,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339654515] [2020-11-30 00:41:16,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-11-30 00:41:17,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339654515] [2020-11-30 00:41:17,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:41:17,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:41:17,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114074269] [2020-11-30 00:41:17,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:41:17,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:17,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:41:17,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:41:17,215 INFO L87 Difference]: Start difference. First operand 13863 states and 15650 transitions. Second operand 4 states. [2020-11-30 00:41:22,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:22,345 INFO L93 Difference]: Finished difference Result 30729 states and 34963 transitions. [2020-11-30 00:41:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:41:22,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 458 [2020-11-30 00:41:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:22,378 INFO L225 Difference]: With dead ends: 30729 [2020-11-30 00:41:22,378 INFO L226 Difference]: Without dead ends: 17768 [2020-11-30 00:41:22,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:41:22,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17768 states. [2020-11-30 00:41:22,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17768 to 13865. [2020-11-30 00:41:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13865 states. [2020-11-30 00:41:22,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13865 states to 13865 states and 15625 transitions. [2020-11-30 00:41:22,639 INFO L78 Accepts]: Start accepts. Automaton has 13865 states and 15625 transitions. Word has length 458 [2020-11-30 00:41:22,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:22,640 INFO L481 AbstractCegarLoop]: Abstraction has 13865 states and 15625 transitions. [2020-11-30 00:41:22,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:41:22,644 INFO L276 IsEmpty]: Start isEmpty. Operand 13865 states and 15625 transitions. [2020-11-30 00:41:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2020-11-30 00:41:22,656 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:22,658 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:41:22,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:41:22,659 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:22,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:22,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1636934229, now seen corresponding path program 1 times [2020-11-30 00:41:22,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:22,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539022931] [2020-11-30 00:41:22,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:23,617 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 86 proven. 244 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-30 00:41:23,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539022931] [2020-11-30 00:41:23,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325418067] [2020-11-30 00:41:23,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:41:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:23,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:41:23,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:41:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-11-30 00:41:24,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:41:24,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-30 00:41:24,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277521491] [2020-11-30 00:41:24,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:41:24,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:24,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:41:24,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:41:24,060 INFO L87 Difference]: Start difference. First operand 13865 states and 15625 transitions. Second operand 3 states. [2020-11-30 00:41:27,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:27,847 INFO L93 Difference]: Finished difference Result 31009 states and 35299 transitions. [2020-11-30 00:41:27,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:27,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 519 [2020-11-30 00:41:27,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:27,873 INFO L225 Difference]: With dead ends: 31009 [2020-11-30 00:41:27,873 INFO L226 Difference]: Without dead ends: 18345 [2020-11-30 00:41:27,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:41:27,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18345 states. [2020-11-30 00:41:28,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18345 to 13555. [2020-11-30 00:41:28,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13555 states. [2020-11-30 00:41:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13555 states to 13555 states and 15455 transitions. [2020-11-30 00:41:28,108 INFO L78 Accepts]: Start accepts. Automaton has 13555 states and 15455 transitions. Word has length 519 [2020-11-30 00:41:28,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:28,111 INFO L481 AbstractCegarLoop]: Abstraction has 13555 states and 15455 transitions. [2020-11-30 00:41:28,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:28,112 INFO L276 IsEmpty]: Start isEmpty. Operand 13555 states and 15455 transitions. [2020-11-30 00:41:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2020-11-30 00:41:28,119 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:28,119 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:41:28,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-30 00:41:28,334 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:28,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:28,335 INFO L82 PathProgramCache]: Analyzing trace with hash -2039190009, now seen corresponding path program 1 times [2020-11-30 00:41:28,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:28,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993522499] [2020-11-30 00:41:28,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:28,707 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2020-11-30 00:41:28,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993522499] [2020-11-30 00:41:28,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:41:28,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:41:28,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687883438] [2020-11-30 00:41:28,712 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:41:28,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:28,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:41:28,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:28,714 INFO L87 Difference]: Start difference. First operand 13555 states and 15455 transitions. Second operand 3 states. [2020-11-30 00:41:31,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:31,251 INFO L93 Difference]: Finished difference Result 27106 states and 30918 transitions. [2020-11-30 00:41:31,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:31,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 546 [2020-11-30 00:41:31,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:31,276 INFO L225 Difference]: With dead ends: 27106 [2020-11-30 00:41:31,276 INFO L226 Difference]: Without dead ends: 13852 [2020-11-30 00:41:31,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:31,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13852 states. [2020-11-30 00:41:31,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13852 to 13553. [2020-11-30 00:41:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13553 states. [2020-11-30 00:41:31,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13553 states to 13553 states and 15451 transitions. [2020-11-30 00:41:31,494 INFO L78 Accepts]: Start accepts. Automaton has 13553 states and 15451 transitions. Word has length 546 [2020-11-30 00:41:31,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:31,495 INFO L481 AbstractCegarLoop]: Abstraction has 13553 states and 15451 transitions. [2020-11-30 00:41:31,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:31,495 INFO L276 IsEmpty]: Start isEmpty. Operand 13553 states and 15451 transitions. [2020-11-30 00:41:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-11-30 00:41:31,502 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:31,503 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:41:31,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:41:31,504 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:31,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:31,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1945287998, now seen corresponding path program 1 times [2020-11-30 00:41:31,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:31,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384464691] [2020-11-30 00:41:31,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 86 proven. 297 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-11-30 00:41:32,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384464691] [2020-11-30 00:41:32,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085566661] [2020-11-30 00:41:32,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:41:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:32,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:41:32,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:41:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-11-30 00:41:33,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:41:33,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-30 00:41:33,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957934025] [2020-11-30 00:41:33,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:41:33,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:33,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:41:33,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:41:33,087 INFO L87 Difference]: Start difference. First operand 13553 states and 15451 transitions. Second operand 3 states. [2020-11-30 00:41:35,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:35,578 INFO L93 Difference]: Finished difference Result 26805 states and 30599 transitions. [2020-11-30 00:41:35,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:35,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 572 [2020-11-30 00:41:35,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:35,600 INFO L225 Difference]: With dead ends: 26805 [2020-11-30 00:41:35,600 INFO L226 Difference]: Without dead ends: 13553 [2020-11-30 00:41:35,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 573 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:41:35,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13553 states. [2020-11-30 00:41:35,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13553 to 12656. [2020-11-30 00:41:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12656 states. [2020-11-30 00:41:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12656 states to 12656 states and 13862 transitions. [2020-11-30 00:41:35,855 INFO L78 Accepts]: Start accepts. Automaton has 12656 states and 13862 transitions. Word has length 572 [2020-11-30 00:41:35,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:35,856 INFO L481 AbstractCegarLoop]: Abstraction has 12656 states and 13862 transitions. [2020-11-30 00:41:35,856 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 12656 states and 13862 transitions. [2020-11-30 00:41:35,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2020-11-30 00:41:35,865 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:35,868 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:41:36,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:41:36,082 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:36,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:36,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1589436607, now seen corresponding path program 1 times [2020-11-30 00:41:36,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:36,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206632430] [2020-11-30 00:41:36,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:36,580 INFO L134 CoverageAnalysis]: Checked inductivity of 747 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2020-11-30 00:41:36,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206632430] [2020-11-30 00:41:36,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:41:36,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:41:36,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137559219] [2020-11-30 00:41:36,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:41:36,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:36,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:41:36,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:36,583 INFO L87 Difference]: Start difference. First operand 12656 states and 13862 transitions. Second operand 3 states. [2020-11-30 00:41:41,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:41,206 INFO L93 Difference]: Finished difference Result 29196 states and 32081 transitions. [2020-11-30 00:41:41,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:41,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 619 [2020-11-30 00:41:41,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:41,226 INFO L225 Difference]: With dead ends: 29196 [2020-11-30 00:41:41,226 INFO L226 Difference]: Without dead ends: 16841 [2020-11-30 00:41:41,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:41,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16841 states. [2020-11-30 00:41:41,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16841 to 15047. [2020-11-30 00:41:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15047 states. [2020-11-30 00:41:41,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15047 states to 15047 states and 16384 transitions. [2020-11-30 00:41:41,452 INFO L78 Accepts]: Start accepts. Automaton has 15047 states and 16384 transitions. Word has length 619 [2020-11-30 00:41:41,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:41,452 INFO L481 AbstractCegarLoop]: Abstraction has 15047 states and 16384 transitions. [2020-11-30 00:41:41,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:41,453 INFO L276 IsEmpty]: Start isEmpty. Operand 15047 states and 16384 transitions. [2020-11-30 00:41:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-11-30 00:41:41,465 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:41,465 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:41:41,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 00:41:41,466 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:41,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:41,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1773322117, now seen corresponding path program 1 times [2020-11-30 00:41:41,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:41,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511556940] [2020-11-30 00:41:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 363 proven. 335 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-11-30 00:41:42,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511556940] [2020-11-30 00:41:42,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067899629] [2020-11-30 00:41:42,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:41:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:42,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 817 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 00:41:42,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:41:43,092 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 508 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2020-11-30 00:41:43,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:41:43,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-30 00:41:43,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933986222] [2020-11-30 00:41:43,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:41:43,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:43,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:41:43,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:41:43,095 INFO L87 Difference]: Start difference. First operand 15047 states and 16384 transitions. Second operand 3 states. [2020-11-30 00:41:45,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:45,524 INFO L93 Difference]: Finished difference Result 29795 states and 32468 transitions. [2020-11-30 00:41:45,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:45,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 655 [2020-11-30 00:41:45,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:45,539 INFO L225 Difference]: With dead ends: 29795 [2020-11-30 00:41:45,540 INFO L226 Difference]: Without dead ends: 15049 [2020-11-30 00:41:45,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:41:45,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15049 states. [2020-11-30 00:41:45,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15049 to 14743. [2020-11-30 00:41:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14743 states. [2020-11-30 00:41:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14743 states to 14743 states and 15931 transitions. [2020-11-30 00:41:45,740 INFO L78 Accepts]: Start accepts. Automaton has 14743 states and 15931 transitions. Word has length 655 [2020-11-30 00:41:45,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:45,741 INFO L481 AbstractCegarLoop]: Abstraction has 14743 states and 15931 transitions. [2020-11-30 00:41:45,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:45,741 INFO L276 IsEmpty]: Start isEmpty. Operand 14743 states and 15931 transitions. [2020-11-30 00:41:45,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-11-30 00:41:45,752 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:45,752 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:41:45,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-30 00:41:45,978 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:45,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:45,979 INFO L82 PathProgramCache]: Analyzing trace with hash 862038490, now seen corresponding path program 1 times [2020-11-30 00:41:45,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:45,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869775600] [2020-11-30 00:41:45,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 431 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-11-30 00:41:46,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869775600] [2020-11-30 00:41:46,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:41:46,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:41:46,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821489306] [2020-11-30 00:41:46,538 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:41:46,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:46,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:41:46,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:46,539 INFO L87 Difference]: Start difference. First operand 14743 states and 15931 transitions. Second operand 3 states. [2020-11-30 00:41:52,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:52,045 INFO L93 Difference]: Finished difference Result 33991 states and 36676 transitions. [2020-11-30 00:41:52,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:52,047 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 661 [2020-11-30 00:41:52,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:52,065 INFO L225 Difference]: With dead ends: 33991 [2020-11-30 00:41:52,065 INFO L226 Difference]: Without dead ends: 19549 [2020-11-30 00:41:52,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:52,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19549 states. [2020-11-30 00:41:52,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19549 to 19237. [2020-11-30 00:41:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19237 states. [2020-11-30 00:41:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19237 states to 19237 states and 20566 transitions. [2020-11-30 00:41:52,261 INFO L78 Accepts]: Start accepts. Automaton has 19237 states and 20566 transitions. Word has length 661 [2020-11-30 00:41:52,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:52,261 INFO L481 AbstractCegarLoop]: Abstraction has 19237 states and 20566 transitions. [2020-11-30 00:41:52,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 19237 states and 20566 transitions. [2020-11-30 00:41:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2020-11-30 00:41:52,270 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:52,271 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:41:52,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-30 00:41:52,271 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:52,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:52,272 INFO L82 PathProgramCache]: Analyzing trace with hash -60731181, now seen corresponding path program 1 times [2020-11-30 00:41:52,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:52,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740669774] [2020-11-30 00:41:52,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 485 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-11-30 00:41:52,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740669774] [2020-11-30 00:41:52,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:41:52,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:41:52,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603083727] [2020-11-30 00:41:52,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:41:52,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:52,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:41:52,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:52,976 INFO L87 Difference]: Start difference. First operand 19237 states and 20566 transitions. Second operand 3 states. [2020-11-30 00:41:55,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:41:55,652 INFO L93 Difference]: Finished difference Result 40565 states and 43443 transitions. [2020-11-30 00:41:55,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:41:55,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 677 [2020-11-30 00:41:55,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:41:55,672 INFO L225 Difference]: With dead ends: 40565 [2020-11-30 00:41:55,672 INFO L226 Difference]: Without dead ends: 21629 [2020-11-30 00:41:55,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:41:55,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21629 states. [2020-11-30 00:41:55,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21629 to 21330. [2020-11-30 00:41:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21330 states. [2020-11-30 00:41:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21330 states to 21330 states and 22640 transitions. [2020-11-30 00:41:55,892 INFO L78 Accepts]: Start accepts. Automaton has 21330 states and 22640 transitions. Word has length 677 [2020-11-30 00:41:55,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:41:55,892 INFO L481 AbstractCegarLoop]: Abstraction has 21330 states and 22640 transitions. [2020-11-30 00:41:55,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:41:55,893 INFO L276 IsEmpty]: Start isEmpty. Operand 21330 states and 22640 transitions. [2020-11-30 00:41:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2020-11-30 00:41:55,902 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:41:55,903 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:41:55,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-30 00:41:55,903 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:41:55,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:41:55,904 INFO L82 PathProgramCache]: Analyzing trace with hash 153265044, now seen corresponding path program 1 times [2020-11-30 00:41:55,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:41:55,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416112870] [2020-11-30 00:41:55,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:41:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:41:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 896 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2020-11-30 00:41:56,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416112870] [2020-11-30 00:41:56,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:41:56,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:41:56,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432899988] [2020-11-30 00:41:56,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:41:56,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:41:56,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:41:56,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:41:56,535 INFO L87 Difference]: Start difference. First operand 21330 states and 22640 transitions. Second operand 4 states. [2020-11-30 00:42:01,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:01,626 INFO L93 Difference]: Finished difference Result 50456 states and 53500 transitions. [2020-11-30 00:42:01,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:42:01,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 697 [2020-11-30 00:42:01,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:01,664 INFO L225 Difference]: With dead ends: 50456 [2020-11-30 00:42:01,665 INFO L226 Difference]: Without dead ends: 28829 [2020-11-30 00:42:01,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:42:01,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28829 states. [2020-11-30 00:42:01,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28829 to 21330. [2020-11-30 00:42:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21330 states. [2020-11-30 00:42:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21330 states to 21330 states and 22640 transitions. [2020-11-30 00:42:01,928 INFO L78 Accepts]: Start accepts. Automaton has 21330 states and 22640 transitions. Word has length 697 [2020-11-30 00:42:01,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:01,928 INFO L481 AbstractCegarLoop]: Abstraction has 21330 states and 22640 transitions. [2020-11-30 00:42:01,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:42:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 21330 states and 22640 transitions. [2020-11-30 00:42:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2020-11-30 00:42:01,939 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:01,940 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:42:01,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-30 00:42:01,940 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:01,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:01,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1816788635, now seen corresponding path program 1 times [2020-11-30 00:42:01,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:01,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54421310] [2020-11-30 00:42:01,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 563 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-11-30 00:42:02,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54421310] [2020-11-30 00:42:02,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:42:02,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:42:02,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054029517] [2020-11-30 00:42:02,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:42:02,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:02,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:42:02,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:42:02,587 INFO L87 Difference]: Start difference. First operand 21330 states and 22640 transitions. Second operand 4 states. [2020-11-30 00:42:08,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:08,051 INFO L93 Difference]: Finished difference Result 52247 states and 55359 transitions. [2020-11-30 00:42:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:42:08,053 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 717 [2020-11-30 00:42:08,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:08,079 INFO L225 Difference]: With dead ends: 52247 [2020-11-30 00:42:08,079 INFO L226 Difference]: Without dead ends: 30620 [2020-11-30 00:42:08,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:42:08,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30620 states. [2020-11-30 00:42:08,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30620 to 25525. [2020-11-30 00:42:08,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25525 states. [2020-11-30 00:42:08,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25525 states to 25525 states and 27083 transitions. [2020-11-30 00:42:08,375 INFO L78 Accepts]: Start accepts. Automaton has 25525 states and 27083 transitions. Word has length 717 [2020-11-30 00:42:08,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:08,375 INFO L481 AbstractCegarLoop]: Abstraction has 25525 states and 27083 transitions. [2020-11-30 00:42:08,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:42:08,375 INFO L276 IsEmpty]: Start isEmpty. Operand 25525 states and 27083 transitions. [2020-11-30 00:42:08,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2020-11-30 00:42:08,392 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:08,393 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:42:08,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-30 00:42:08,393 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:08,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:08,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1309165417, now seen corresponding path program 1 times [2020-11-30 00:42:08,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:08,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629318800] [2020-11-30 00:42:08,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 613 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2020-11-30 00:42:09,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629318800] [2020-11-30 00:42:09,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:42:09,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:42:09,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336732708] [2020-11-30 00:42:09,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:42:09,272 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:09,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:42:09,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:09,273 INFO L87 Difference]: Start difference. First operand 25525 states and 27083 transitions. Second operand 3 states. [2020-11-30 00:42:12,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:12,939 INFO L93 Difference]: Finished difference Result 59137 states and 62751 transitions. [2020-11-30 00:42:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:42:12,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 810 [2020-11-30 00:42:12,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:12,972 INFO L225 Difference]: With dead ends: 59137 [2020-11-30 00:42:12,972 INFO L226 Difference]: Without dead ends: 33913 [2020-11-30 00:42:12,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:13,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33913 states. [2020-11-30 00:42:13,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33913 to 32404. [2020-11-30 00:42:13,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32404 states. [2020-11-30 00:42:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32404 states to 32404 states and 34210 transitions. [2020-11-30 00:42:13,389 INFO L78 Accepts]: Start accepts. Automaton has 32404 states and 34210 transitions. Word has length 810 [2020-11-30 00:42:13,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:13,390 INFO L481 AbstractCegarLoop]: Abstraction has 32404 states and 34210 transitions. [2020-11-30 00:42:13,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:42:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 32404 states and 34210 transitions. [2020-11-30 00:42:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 817 [2020-11-30 00:42:13,416 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:13,417 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 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] [2020-11-30 00:42:13,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-11-30 00:42:13,418 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:13,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:13,418 INFO L82 PathProgramCache]: Analyzing trace with hash 315964601, now seen corresponding path program 1 times [2020-11-30 00:42:13,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:13,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019898557] [2020-11-30 00:42:13,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1288 backedges. 712 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2020-11-30 00:42:14,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019898557] [2020-11-30 00:42:14,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:42:14,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:42:14,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950625426] [2020-11-30 00:42:14,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:42:14,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:14,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:42:14,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:14,214 INFO L87 Difference]: Start difference. First operand 32404 states and 34210 transitions. Second operand 3 states. [2020-11-30 00:42:17,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:17,418 INFO L93 Difference]: Finished difference Result 69880 states and 73659 transitions. [2020-11-30 00:42:17,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:42:17,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 816 [2020-11-30 00:42:17,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:17,451 INFO L225 Difference]: With dead ends: 69880 [2020-11-30 00:42:17,451 INFO L226 Difference]: Without dead ends: 35086 [2020-11-30 00:42:17,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:17,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35086 states. [2020-11-30 00:42:17,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35086 to 32395. [2020-11-30 00:42:17,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32395 states. [2020-11-30 00:42:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32395 states to 32395 states and 33959 transitions. [2020-11-30 00:42:17,925 INFO L78 Accepts]: Start accepts. Automaton has 32395 states and 33959 transitions. Word has length 816 [2020-11-30 00:42:17,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:17,926 INFO L481 AbstractCegarLoop]: Abstraction has 32395 states and 33959 transitions. [2020-11-30 00:42:17,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:42:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 32395 states and 33959 transitions. [2020-11-30 00:42:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 821 [2020-11-30 00:42:17,942 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:17,942 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:42:17,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-11-30 00:42:17,943 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:17,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:17,943 INFO L82 PathProgramCache]: Analyzing trace with hash 471129691, now seen corresponding path program 1 times [2020-11-30 00:42:17,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:17,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181628329] [2020-11-30 00:42:17,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 691 proven. 0 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2020-11-30 00:42:18,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181628329] [2020-11-30 00:42:18,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:42:18,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:42:18,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331949577] [2020-11-30 00:42:18,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:42:18,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:18,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:42:18,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:42:18,692 INFO L87 Difference]: Start difference. First operand 32395 states and 33959 transitions. Second operand 4 states. [2020-11-30 00:42:24,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:24,028 INFO L93 Difference]: Finished difference Result 71085 states and 74381 transitions. [2020-11-30 00:42:24,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:42:24,029 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 820 [2020-11-30 00:42:24,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:24,063 INFO L225 Difference]: With dead ends: 71085 [2020-11-30 00:42:24,063 INFO L226 Difference]: Without dead ends: 38393 [2020-11-30 00:42:24,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:42:24,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38393 states. [2020-11-30 00:42:24,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38393 to 31797. [2020-11-30 00:42:24,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31797 states. [2020-11-30 00:42:24,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31797 states to 31797 states and 33349 transitions. [2020-11-30 00:42:24,447 INFO L78 Accepts]: Start accepts. Automaton has 31797 states and 33349 transitions. Word has length 820 [2020-11-30 00:42:24,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:24,448 INFO L481 AbstractCegarLoop]: Abstraction has 31797 states and 33349 transitions. [2020-11-30 00:42:24,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:42:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand 31797 states and 33349 transitions. [2020-11-30 00:42:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 860 [2020-11-30 00:42:24,459 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:24,460 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:42:24,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-11-30 00:42:24,460 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:24,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:24,461 INFO L82 PathProgramCache]: Analyzing trace with hash 85339497, now seen corresponding path program 1 times [2020-11-30 00:42:24,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:24,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800072680] [2020-11-30 00:42:24,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 753 proven. 0 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2020-11-30 00:42:25,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800072680] [2020-11-30 00:42:25,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:42:25,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:42:25,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932420666] [2020-11-30 00:42:25,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:42:25,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:25,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:42:25,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:25,313 INFO L87 Difference]: Start difference. First operand 31797 states and 33349 transitions. Second operand 3 states. [2020-11-30 00:42:28,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:28,790 INFO L93 Difference]: Finished difference Result 69302 states and 72724 transitions. [2020-11-30 00:42:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:42:28,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 859 [2020-11-30 00:42:28,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:28,824 INFO L225 Difference]: With dead ends: 69302 [2020-11-30 00:42:28,824 INFO L226 Difference]: Without dead ends: 37806 [2020-11-30 00:42:28,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37806 states. [2020-11-30 00:42:29,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37806 to 35994. [2020-11-30 00:42:29,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35994 states. [2020-11-30 00:42:29,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35994 states to 35994 states and 37653 transitions. [2020-11-30 00:42:29,373 INFO L78 Accepts]: Start accepts. Automaton has 35994 states and 37653 transitions. Word has length 859 [2020-11-30 00:42:29,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:29,374 INFO L481 AbstractCegarLoop]: Abstraction has 35994 states and 37653 transitions. [2020-11-30 00:42:29,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:42:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 35994 states and 37653 transitions. [2020-11-30 00:42:29,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 994 [2020-11-30 00:42:29,399 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:29,399 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-11-30 00:42:29,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-11-30 00:42:29,400 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:29,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:29,400 INFO L82 PathProgramCache]: Analyzing trace with hash -791671444, now seen corresponding path program 1 times [2020-11-30 00:42:29,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:29,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309321891] [2020-11-30 00:42:29,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 752 proven. 0 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2020-11-30 00:42:30,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309321891] [2020-11-30 00:42:30,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:42:30,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:42:30,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101574503] [2020-11-30 00:42:30,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:42:30,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:30,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:42:30,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:42:30,468 INFO L87 Difference]: Start difference. First operand 35994 states and 37653 transitions. Second operand 4 states. [2020-11-30 00:42:36,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:36,058 INFO L93 Difference]: Finished difference Result 83070 states and 86651 transitions. [2020-11-30 00:42:36,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:42:36,060 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 993 [2020-11-30 00:42:36,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:36,101 INFO L225 Difference]: With dead ends: 83070 [2020-11-30 00:42:36,102 INFO L226 Difference]: Without dead ends: 47078 [2020-11-30 00:42:36,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:42:36,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47078 states. [2020-11-30 00:42:36,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47078 to 38687. [2020-11-30 00:42:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38687 states. [2020-11-30 00:42:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38687 states to 38687 states and 40410 transitions. [2020-11-30 00:42:36,602 INFO L78 Accepts]: Start accepts. Automaton has 38687 states and 40410 transitions. Word has length 993 [2020-11-30 00:42:36,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:36,602 INFO L481 AbstractCegarLoop]: Abstraction has 38687 states and 40410 transitions. [2020-11-30 00:42:36,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:42:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 38687 states and 40410 transitions. [2020-11-30 00:42:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1031 [2020-11-30 00:42:36,622 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:36,623 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:42:36,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-11-30 00:42:36,623 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:36,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:36,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1969757369, now seen corresponding path program 1 times [2020-11-30 00:42:36,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:36,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417506531] [2020-11-30 00:42:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1989 backedges. 1370 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2020-11-30 00:42:37,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417506531] [2020-11-30 00:42:37,845 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:42:37,845 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:42:37,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691834514] [2020-11-30 00:42:37,846 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:42:37,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:37,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:42:37,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:37,847 INFO L87 Difference]: Start difference. First operand 38687 states and 40410 transitions. Second operand 3 states. [2020-11-30 00:42:41,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:41,450 INFO L93 Difference]: Finished difference Result 79465 states and 82974 transitions. [2020-11-30 00:42:41,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:42:41,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1030 [2020-11-30 00:42:41,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:41,488 INFO L225 Difference]: With dead ends: 79465 [2020-11-30 00:42:41,488 INFO L226 Difference]: Without dead ends: 41079 [2020-11-30 00:42:41,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:41,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41079 states. [2020-11-30 00:42:41,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41079 to 36594. [2020-11-30 00:42:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36594 states. [2020-11-30 00:42:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36594 states to 36594 states and 38191 transitions. [2020-11-30 00:42:41,928 INFO L78 Accepts]: Start accepts. Automaton has 36594 states and 38191 transitions. Word has length 1030 [2020-11-30 00:42:41,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:41,928 INFO L481 AbstractCegarLoop]: Abstraction has 36594 states and 38191 transitions. [2020-11-30 00:42:41,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:42:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 36594 states and 38191 transitions. [2020-11-30 00:42:41,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2020-11-30 00:42:41,950 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:41,951 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:42:41,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-11-30 00:42:41,952 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:41,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:41,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1009398883, now seen corresponding path program 1 times [2020-11-30 00:42:41,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:41,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894504407] [2020-11-30 00:42:41,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1802 backedges. 1110 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2020-11-30 00:42:43,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894504407] [2020-11-30 00:42:43,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:42:43,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:42:43,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016428005] [2020-11-30 00:42:43,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:42:43,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:43,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:42:43,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:43,427 INFO L87 Difference]: Start difference. First operand 36594 states and 38191 transitions. Second operand 3 states. [2020-11-30 00:42:46,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:46,658 INFO L93 Difference]: Finished difference Result 73783 states and 77002 transitions. [2020-11-30 00:42:46,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:42:46,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1060 [2020-11-30 00:42:46,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:46,690 INFO L225 Difference]: With dead ends: 73783 [2020-11-30 00:42:46,691 INFO L226 Difference]: Without dead ends: 37490 [2020-11-30 00:42:46,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:46,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37490 states. [2020-11-30 00:42:47,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37490 to 36593. [2020-11-30 00:42:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36593 states. [2020-11-30 00:42:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36593 states to 36593 states and 38189 transitions. [2020-11-30 00:42:47,112 INFO L78 Accepts]: Start accepts. Automaton has 36593 states and 38189 transitions. Word has length 1060 [2020-11-30 00:42:47,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:47,112 INFO L481 AbstractCegarLoop]: Abstraction has 36593 states and 38189 transitions. [2020-11-30 00:42:47,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:42:47,112 INFO L276 IsEmpty]: Start isEmpty. Operand 36593 states and 38189 transitions. [2020-11-30 00:42:47,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2020-11-30 00:42:47,129 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:47,130 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:42:47,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-11-30 00:42:47,130 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:47,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:47,131 INFO L82 PathProgramCache]: Analyzing trace with hash -737196941, now seen corresponding path program 1 times [2020-11-30 00:42:47,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:47,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911206499] [2020-11-30 00:42:47,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-11-30 00:42:48,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911206499] [2020-11-30 00:42:48,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:42:48,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:42:48,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644150443] [2020-11-30 00:42:48,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:42:48,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:48,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:42:48,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:48,496 INFO L87 Difference]: Start difference. First operand 36593 states and 38189 transitions. Second operand 3 states. [2020-11-30 00:42:52,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:52,975 INFO L93 Difference]: Finished difference Result 81287 states and 84842 transitions. [2020-11-30 00:42:52,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:42:52,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1117 [2020-11-30 00:42:52,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:53,016 INFO L225 Difference]: With dead ends: 81287 [2020-11-30 00:42:53,016 INFO L226 Difference]: Without dead ends: 44995 [2020-11-30 00:42:53,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:42:53,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44995 states. [2020-11-30 00:42:53,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44995 to 41989. [2020-11-30 00:42:53,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41989 states. [2020-11-30 00:42:53,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41989 states to 41989 states and 43790 transitions. [2020-11-30 00:42:53,486 INFO L78 Accepts]: Start accepts. Automaton has 41989 states and 43790 transitions. Word has length 1117 [2020-11-30 00:42:53,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:53,487 INFO L481 AbstractCegarLoop]: Abstraction has 41989 states and 43790 transitions. [2020-11-30 00:42:53,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:42:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 41989 states and 43790 transitions. [2020-11-30 00:42:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2020-11-30 00:42:53,505 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:53,506 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:42:53,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-11-30 00:42:53,506 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:53,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:53,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1900734791, now seen corresponding path program 1 times [2020-11-30 00:42:53,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:53,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358681219] [2020-11-30 00:42:53,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 1147 proven. 269 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2020-11-30 00:42:56,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358681219] [2020-11-30 00:42:56,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736080237] [2020-11-30 00:42:56,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:42:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:57,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 00:42:57,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:42:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 0 proven. 1432 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-11-30 00:42:58,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:42:58,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2020-11-30 00:42:58,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383819269] [2020-11-30 00:42:58,877 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-30 00:42:58,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:58,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-30 00:42:58,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:42:58,878 INFO L87 Difference]: Start difference. First operand 41989 states and 43790 transitions. Second operand 9 states. [2020-11-30 00:43:28,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:43:28,156 INFO L93 Difference]: Finished difference Result 100304 states and 104283 transitions. [2020-11-30 00:43:28,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-30 00:43:28,158 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1132 [2020-11-30 00:43:28,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:43:28,217 INFO L225 Difference]: With dead ends: 100304 [2020-11-30 00:43:28,217 INFO L226 Difference]: Without dead ends: 58314 [2020-11-30 00:43:28,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1147 GetRequests, 1128 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=345, Unknown=0, NotChecked=0, Total=420 [2020-11-30 00:43:28,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58314 states. [2020-11-30 00:43:28,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58314 to 45282. [2020-11-30 00:43:28,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45282 states. [2020-11-30 00:43:28,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45282 states to 45282 states and 47150 transitions. [2020-11-30 00:43:28,897 INFO L78 Accepts]: Start accepts. Automaton has 45282 states and 47150 transitions. Word has length 1132 [2020-11-30 00:43:28,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:43:28,898 INFO L481 AbstractCegarLoop]: Abstraction has 45282 states and 47150 transitions. [2020-11-30 00:43:28,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-30 00:43:28,898 INFO L276 IsEmpty]: Start isEmpty. Operand 45282 states and 47150 transitions. [2020-11-30 00:43:28,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2020-11-30 00:43:28,923 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:43:28,924 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:43:29,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-11-30 00:43:29,136 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:43:29,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:43:29,137 INFO L82 PathProgramCache]: Analyzing trace with hash 648626162, now seen corresponding path program 1 times [2020-11-30 00:43:29,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:43:29,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091154150] [2020-11-30 00:43:29,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:43:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:43:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 1362 proven. 192 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2020-11-30 00:43:30,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091154150] [2020-11-30 00:43:30,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100484219] [2020-11-30 00:43:30,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/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 [2020-11-30 00:43:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:43:30,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 1360 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:43:30,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:43:31,061 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:43:31,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:43:31,245 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-11-30 00:43:31,495 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:43:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 1065 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2020-11-30 00:43:32,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 00:43:32,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2020-11-30 00:43:32,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95257295] [2020-11-30 00:43:32,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:43:32,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:43:32,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:43:32,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:43:32,840 INFO L87 Difference]: Start difference. First operand 45282 states and 47150 transitions. Second operand 4 states. [2020-11-30 00:43:40,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:43:40,401 INFO L93 Difference]: Finished difference Result 67773 states and 70134 transitions. [2020-11-30 00:43:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:43:40,403 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1181 [2020-11-30 00:43:40,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:43:40,425 INFO L225 Difference]: With dead ends: 67773 [2020-11-30 00:43:40,425 INFO L226 Difference]: Without dead ends: 25188 [2020-11-30 00:43:40,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1185 GetRequests, 1180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:43:40,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25188 states. [2020-11-30 00:43:40,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25188 to 16197. [2020-11-30 00:43:40,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16197 states. [2020-11-30 00:43:40,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16197 states to 16197 states and 16553 transitions. [2020-11-30 00:43:40,676 INFO L78 Accepts]: Start accepts. Automaton has 16197 states and 16553 transitions. Word has length 1181 [2020-11-30 00:43:40,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:43:40,676 INFO L481 AbstractCegarLoop]: Abstraction has 16197 states and 16553 transitions. [2020-11-30 00:43:40,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:43:40,677 INFO L276 IsEmpty]: Start isEmpty. Operand 16197 states and 16553 transitions. [2020-11-30 00:43:40,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1751 [2020-11-30 00:43:40,705 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:43:40,706 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2020-11-30 00:43:40,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:43:40,906 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:43:40,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:43:40,907 INFO L82 PathProgramCache]: Analyzing trace with hash 114690410, now seen corresponding path program 1 times [2020-11-30 00:43:40,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:43:40,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2973709] [2020-11-30 00:43:40,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:43:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:43:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5102 backedges. 3032 proven. 1312 refuted. 0 times theorem prover too weak. 758 trivial. 0 not checked. [2020-11-30 00:43:44,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2973709] [2020-11-30 00:43:44,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637384677] [2020-11-30 00:43:44,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 00:43:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:43:45,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 2004 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-30 00:43:45,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:43:45,133 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 00:43:45,138 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:43:45,175 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-11-30 00:43:45,243 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-30 00:43:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5102 backedges. 3004 proven. 484 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2020-11-30 00:43:47,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 00:43:47,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-11-30 00:43:47,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322800051] [2020-11-30 00:43:47,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 00:43:47,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:43:47,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 00:43:47,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=44, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:43:47,724 INFO L87 Difference]: Start difference. First operand 16197 states and 16553 transitions. Second operand 10 states. [2020-11-30 00:44:01,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:44:01,802 INFO L93 Difference]: Finished difference Result 50687 states and 51826 transitions. [2020-11-30 00:44:01,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:44:01,804 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1750 [2020-11-30 00:44:01,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:44:01,806 INFO L225 Difference]: With dead ends: 50687 [2020-11-30 00:44:01,806 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:44:01,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1757 GetRequests, 1747 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=44, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:44:01,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:44:01,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:44:01,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:44:01,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:44:01,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1750 [2020-11-30 00:44:01,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:44:01,818 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:44:01,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 00:44:01,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:44:01,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:44:02,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2020-11-30 00:44:02,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:44:05,230 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 948 DAG size of output: 780 [2020-11-30 00:44:07,177 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 824 DAG size of output: 673 [2020-11-30 00:44:09,516 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 948 DAG size of output: 780 [2020-11-30 00:44:23,143 WARN L193 SmtUtils]: Spent 13.61 s on a formula simplification. DAG size of input: 751 DAG size of output: 109 [2020-11-30 00:44:34,545 WARN L193 SmtUtils]: Spent 11.40 s on a formula simplification. DAG size of input: 644 DAG size of output: 108 [2020-11-30 00:44:48,121 WARN L193 SmtUtils]: Spent 13.57 s on a formula simplification. DAG size of input: 751 DAG size of output: 109 [2020-11-30 00:44:48,126 INFO L274 CegarLoopResult]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,126 INFO L274 CegarLoopResult]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,127 INFO L274 CegarLoopResult]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,128 INFO L274 CegarLoopResult]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,129 INFO L274 CegarLoopResult]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,130 INFO L274 CegarLoopResult]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L652(lines 652 661) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,131 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-30 00:44:48,132 INFO L274 CegarLoopResult]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,133 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L531(lines 531 538) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,134 INFO L274 CegarLoopResult]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-30 00:44:48,135 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L804(lines 804 813) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L540(lines 540 551) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2020-11-30 00:44:48,136 INFO L274 CegarLoopResult]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,137 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,140 INFO L274 CegarLoopResult]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,140 INFO L274 CegarLoopResult]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,141 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,141 INFO L274 CegarLoopResult]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,141 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 00:44:48,141 INFO L274 CegarLoopResult]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,141 INFO L274 CegarLoopResult]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,141 INFO L274 CegarLoopResult]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,141 INFO L274 CegarLoopResult]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,142 INFO L274 CegarLoopResult]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,142 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,142 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,142 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-30 00:44:48,142 INFO L274 CegarLoopResult]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,142 INFO L274 CegarLoopResult]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,142 INFO L274 CegarLoopResult]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,142 INFO L274 CegarLoopResult]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,143 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,143 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 00:44:48,143 INFO L274 CegarLoopResult]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,143 INFO L274 CegarLoopResult]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,143 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,143 INFO L274 CegarLoopResult]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,143 INFO L274 CegarLoopResult]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,144 INFO L274 CegarLoopResult]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,144 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,144 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:44:48,144 INFO L274 CegarLoopResult]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,144 INFO L274 CegarLoopResult]: For program point L557(lines 557 566) no Hoare annotation was computed. [2020-11-30 00:44:48,144 INFO L274 CegarLoopResult]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2020-11-30 00:44:48,144 INFO L274 CegarLoopResult]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,145 INFO L274 CegarLoopResult]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,145 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-30 00:44:48,145 INFO L274 CegarLoopResult]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,145 INFO L274 CegarLoopResult]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,145 INFO L274 CegarLoopResult]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,145 INFO L274 CegarLoopResult]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,145 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,146 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-30 00:44:48,146 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,146 INFO L274 CegarLoopResult]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,146 INFO L274 CegarLoopResult]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,146 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,146 INFO L274 CegarLoopResult]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,146 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-30 00:44:48,146 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,147 INFO L274 CegarLoopResult]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,147 INFO L274 CegarLoopResult]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,147 INFO L274 CegarLoopResult]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,147 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 00:44:48,147 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-30 00:44:48,147 INFO L274 CegarLoopResult]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,147 INFO L274 CegarLoopResult]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,148 INFO L274 CegarLoopResult]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,148 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,148 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,148 INFO L274 CegarLoopResult]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2020-11-30 00:44:48,148 INFO L274 CegarLoopResult]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2020-11-30 00:44:48,148 INFO L274 CegarLoopResult]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,148 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-30 00:44:48,148 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-30 00:44:48,149 INFO L274 CegarLoopResult]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,149 INFO L274 CegarLoopResult]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,149 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,149 INFO L274 CegarLoopResult]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,149 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,149 INFO L274 CegarLoopResult]: For program point L568(lines 568 578) no Hoare annotation was computed. [2020-11-30 00:44:48,149 INFO L274 CegarLoopResult]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2020-11-30 00:44:48,149 INFO L274 CegarLoopResult]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2020-11-30 00:44:48,150 INFO L274 CegarLoopResult]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2020-11-30 00:44:48,150 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,150 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,150 INFO L274 CegarLoopResult]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,150 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-30 00:44:48,150 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-30 00:44:48,150 INFO L274 CegarLoopResult]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,151 INFO L274 CegarLoopResult]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,151 INFO L274 CegarLoopResult]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,151 INFO L274 CegarLoopResult]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,151 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,151 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,151 INFO L274 CegarLoopResult]: For program point L704(lines 704 716) no Hoare annotation was computed. [2020-11-30 00:44:48,151 INFO L274 CegarLoopResult]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2020-11-30 00:44:48,151 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 00:44:48,152 INFO L274 CegarLoopResult]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,152 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-30 00:44:48,152 INFO L274 CegarLoopResult]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,152 INFO L274 CegarLoopResult]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,152 INFO L274 CegarLoopResult]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,152 INFO L274 CegarLoopResult]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,152 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,152 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,153 INFO L274 CegarLoopResult]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,153 INFO L274 CegarLoopResult]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,153 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-30 00:44:48,153 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-30 00:44:48,153 INFO L274 CegarLoopResult]: For program point L840(lines 840 849) no Hoare annotation was computed. [2020-11-30 00:44:48,153 INFO L274 CegarLoopResult]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2020-11-30 00:44:48,153 INFO L274 CegarLoopResult]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,153 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,154 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,154 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,154 INFO L270 CegarLoopResult]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse13 (+ ~a0~0 44)) (.cse26 (+ ~a0~0 98)) (.cse14 (+ ~a29~0 127))) (let ((.cse25 (+ ~a0~0 147)) (.cse9 (<= 0 .cse14)) (.cse1 (= ~a2~0 1)) (.cse7 (<= (+ ~a4~0 89) 0)) (.cse21 (< 0 .cse26)) (.cse12 (<= .cse13 0))) (let ((.cse5 (or (and .cse1 .cse7 .cse12 .cse9) (and .cse1 .cse7 .cse21 .cse12))) (.cse6 (<= (+ ~a0~0 56) 0)) (.cse22 (<= (+ ~a0~0 31779) 0)) (.cse10 (<= ~a0~0 599946)) (.cse20 (<= (+ ~a29~0 18) 0)) (.cse3 (< 0 .cse25)) (.cse11 (= 3 ~a2~0)) (.cse23 (<= ~a29~0 15)) (.cse18 (<= ~a0~0 599976)) (.cse8 (<= 4 ~a2~0)) (.cse19 (not (= 5 ~a2~0))) (.cse15 (<= ~a2~0 2)) (.cse2 (< 0 (+ ~a4~0 86))) (.cse17 (<= 2 ~a2~0)) (.cse4 (<= .cse26 0)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse16 (<= .cse25 0)) (.cse24 (< 43 ~a29~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= (+ ~a29~0 145) 0) .cse5) (and .cse6 .cse5) (and .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse11 .cse4) (and .cse11 .cse7 .cse10) (and .cse1 .cse7 .cse12 (<= 0 .cse13) (<= .cse14 0) .cse9) (and .cse15 .cse16 .cse17 .cse9) (and .cse18 .cse7 .cse8 .cse19 .cse9) (and .cse16 .cse7) (and .cse0 .cse1 (<= (+ ~a0~0 31780) 0)) (and .cse7 .cse8 .cse4) (and .cse0 .cse1 .cse20 .cse2 .cse6 .cse21) (and .cse0 .cse1 .cse2 .cse9 .cse22) (and .cse23 .cse0 .cse2 .cse3 .cse17 .cse9 .cse4) (and .cse0 .cse16 .cse8 .cse22) (and .cse15 .cse17 .cse7 .cse10) (and .cse0 .cse20 .cse2 .cse3 .cse8 .cse4) (and .cse0 .cse16 .cse11) (and .cse0 .cse16 .cse24 .cse8) (and .cse0 .cse15 .cse16 .cse2 .cse17) (and .cse23 .cse18 .cse7 .cse8 .cse9) (and .cse7 .cse8 .cse19 (<= ~a0~0 599920)) (and .cse0 .cse16 .cse8 .cse19) (and .cse0 .cse24 .cse2 .cse17 .cse4) (and .cse0 .cse15 .cse2 .cse17 .cse9 .cse4) (and .cse0 .cse16 .cse1 .cse24))))) [2020-11-30 00:44:48,155 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-30 00:44:48,155 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-30 00:44:48,155 INFO L274 CegarLoopResult]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,155 INFO L274 CegarLoopResult]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,155 INFO L274 CegarLoopResult]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,155 INFO L274 CegarLoopResult]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,155 INFO L274 CegarLoopResult]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,156 INFO L274 CegarLoopResult]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,156 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,156 INFO L274 CegarLoopResult]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2020-11-30 00:44:48,156 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,156 INFO L274 CegarLoopResult]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2020-11-30 00:44:48,156 INFO L277 CegarLoopResult]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2020-11-30 00:44:48,156 INFO L274 CegarLoopResult]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,156 INFO L274 CegarLoopResult]: For program point L317(lines 317 329) no Hoare annotation was computed. [2020-11-30 00:44:48,157 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2020-11-30 00:44:48,157 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-30 00:44:48,157 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-30 00:44:48,157 INFO L274 CegarLoopResult]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,157 INFO L274 CegarLoopResult]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,157 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,157 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,158 INFO L274 CegarLoopResult]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,158 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-30 00:44:48,158 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-30 00:44:48,158 INFO L274 CegarLoopResult]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,158 INFO L274 CegarLoopResult]: For program point L585(lines 585 596) no Hoare annotation was computed. [2020-11-30 00:44:48,158 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2020-11-30 00:44:48,158 INFO L274 CegarLoopResult]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,158 INFO L274 CegarLoopResult]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,159 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:44:48,159 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,159 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,159 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,159 INFO L274 CegarLoopResult]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,160 INFO L270 CegarLoopResult]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse13 (+ ~a0~0 44)) (.cse26 (+ ~a0~0 98)) (.cse14 (+ ~a29~0 127))) (let ((.cse25 (+ ~a0~0 147)) (.cse9 (<= 0 .cse14)) (.cse1 (= ~a2~0 1)) (.cse7 (<= (+ ~a4~0 89) 0)) (.cse21 (< 0 .cse26)) (.cse12 (<= .cse13 0))) (let ((.cse5 (or (and .cse1 .cse7 .cse12 .cse9) (and .cse1 .cse7 .cse21 .cse12))) (.cse6 (<= (+ ~a0~0 56) 0)) (.cse22 (<= (+ ~a0~0 31779) 0)) (.cse10 (<= ~a0~0 599946)) (.cse20 (<= (+ ~a29~0 18) 0)) (.cse3 (< 0 .cse25)) (.cse11 (= 3 ~a2~0)) (.cse23 (<= ~a29~0 15)) (.cse18 (<= ~a0~0 599976)) (.cse8 (<= 4 ~a2~0)) (.cse19 (not (= 5 ~a2~0))) (.cse15 (<= ~a2~0 2)) (.cse2 (< 0 (+ ~a4~0 86))) (.cse17 (<= 2 ~a2~0)) (.cse4 (<= .cse26 0)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse16 (<= .cse25 0)) (.cse24 (< 43 ~a29~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= (+ ~a29~0 145) 0) .cse5) (and .cse6 .cse5) (and .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse11 .cse4) (and .cse11 .cse7 .cse10) (and .cse1 .cse7 .cse12 (<= 0 .cse13) (<= .cse14 0) .cse9) (and .cse15 .cse16 .cse17 .cse9) (and .cse18 .cse7 .cse8 .cse19 .cse9) (and .cse16 .cse7) (and .cse0 .cse1 (<= (+ ~a0~0 31780) 0)) (and .cse7 .cse8 .cse4) (and .cse0 .cse1 .cse20 .cse2 .cse6 .cse21) (and .cse0 .cse1 .cse2 .cse9 .cse22) (and .cse23 .cse0 .cse2 .cse3 .cse17 .cse9 .cse4) (and .cse0 .cse16 .cse8 .cse22) (and .cse15 .cse17 .cse7 .cse10) (and .cse0 .cse20 .cse2 .cse3 .cse8 .cse4) (and .cse0 .cse16 .cse11) (and .cse0 .cse15 .cse16 .cse2 .cse17) (and .cse0 .cse16 .cse24 .cse8) (and .cse23 .cse18 .cse7 .cse8 .cse9) (and .cse7 .cse8 .cse19 (<= ~a0~0 599920)) (and .cse0 .cse24 .cse2 .cse17 .cse4) (and .cse0 .cse16 .cse8 .cse19) (and .cse0 .cse15 .cse2 .cse17 .cse9 .cse4) (and .cse0 .cse16 .cse1 .cse24))))) [2020-11-30 00:44:48,160 INFO L274 CegarLoopResult]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,160 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-30 00:44:48,160 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-30 00:44:48,160 INFO L274 CegarLoopResult]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,160 INFO L274 CegarLoopResult]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,160 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,161 INFO L274 CegarLoopResult]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,161 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,161 INFO L274 CegarLoopResult]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,161 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-30 00:44:48,161 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-30 00:44:48,161 INFO L274 CegarLoopResult]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,161 INFO L274 CegarLoopResult]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,161 INFO L274 CegarLoopResult]: For program point L1781(line 1781) no Hoare annotation was computed. [2020-11-30 00:44:48,161 INFO L274 CegarLoopResult]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,162 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,162 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,162 INFO L274 CegarLoopResult]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,162 INFO L274 CegarLoopResult]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,162 INFO L274 CegarLoopResult]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,162 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 00:44:48,162 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-30 00:44:48,162 INFO L274 CegarLoopResult]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,163 INFO L274 CegarLoopResult]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,163 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,163 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,163 INFO L274 CegarLoopResult]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,163 INFO L274 CegarLoopResult]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,163 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-30 00:44:48,163 INFO L274 CegarLoopResult]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,163 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-30 00:44:48,164 INFO L274 CegarLoopResult]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,164 INFO L274 CegarLoopResult]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,164 INFO L274 CegarLoopResult]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,164 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,164 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,164 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,164 INFO L274 CegarLoopResult]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,164 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-30 00:44:48,164 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-30 00:44:48,165 INFO L274 CegarLoopResult]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,165 INFO L274 CegarLoopResult]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,165 INFO L274 CegarLoopResult]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,165 INFO L274 CegarLoopResult]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,165 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,165 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,165 INFO L274 CegarLoopResult]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,165 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-30 00:44:48,166 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-30 00:44:48,166 INFO L274 CegarLoopResult]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,166 INFO L274 CegarLoopResult]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,166 INFO L274 CegarLoopResult]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,166 INFO L274 CegarLoopResult]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,166 INFO L274 CegarLoopResult]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,166 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,166 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,167 INFO L274 CegarLoopResult]: For program point L605(lines 605 615) no Hoare annotation was computed. [2020-11-30 00:44:48,167 INFO L274 CegarLoopResult]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2020-11-30 00:44:48,167 INFO L274 CegarLoopResult]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,167 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-30 00:44:48,167 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-30 00:44:48,167 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,167 INFO L274 CegarLoopResult]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,168 INFO L274 CegarLoopResult]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,168 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,168 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,168 INFO L274 CegarLoopResult]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,168 INFO L270 CegarLoopResult]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse13 (+ ~a0~0 44)) (.cse26 (+ ~a0~0 98)) (.cse14 (+ ~a29~0 127))) (let ((.cse25 (+ ~a0~0 147)) (.cse9 (<= 0 .cse14)) (.cse1 (= ~a2~0 1)) (.cse7 (<= (+ ~a4~0 89) 0)) (.cse21 (< 0 .cse26)) (.cse12 (<= .cse13 0))) (let ((.cse5 (or (and .cse1 .cse7 .cse12 .cse9) (and .cse1 .cse7 .cse21 .cse12))) (.cse6 (<= (+ ~a0~0 56) 0)) (.cse22 (<= (+ ~a0~0 31779) 0)) (.cse10 (<= ~a0~0 599946)) (.cse20 (<= (+ ~a29~0 18) 0)) (.cse3 (< 0 .cse25)) (.cse11 (= 3 ~a2~0)) (.cse23 (<= ~a29~0 15)) (.cse18 (<= ~a0~0 599976)) (.cse8 (<= 4 ~a2~0)) (.cse19 (not (= 5 ~a2~0))) (.cse15 (<= ~a2~0 2)) (.cse2 (< 0 (+ ~a4~0 86))) (.cse17 (<= 2 ~a2~0)) (.cse4 (<= .cse26 0)) (.cse0 (<= (+ ~a4~0 42) 0)) (.cse16 (<= .cse25 0)) (.cse24 (< 43 ~a29~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= (+ ~a29~0 145) 0) .cse5) (and .cse6 .cse5) (and .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse11 .cse4) (and .cse11 .cse7 .cse10) (and .cse1 .cse7 .cse12 (<= 0 .cse13) (<= .cse14 0) .cse9) (and .cse15 .cse16 .cse17 .cse9) (and .cse18 .cse7 .cse8 .cse19 .cse9) (and .cse16 .cse7) (and .cse0 .cse1 (<= (+ ~a0~0 31780) 0)) (and .cse7 .cse8 .cse4) (and .cse0 .cse1 .cse20 .cse2 .cse6 .cse21) (and .cse0 .cse1 .cse2 .cse9 .cse22) (and .cse23 .cse0 .cse2 .cse3 .cse17 .cse9 .cse4) (and .cse0 .cse16 .cse8 .cse22) (and .cse15 .cse17 .cse7 .cse10) (and .cse0 .cse20 .cse2 .cse3 .cse8 .cse4) (and .cse0 .cse16 .cse11) (and .cse0 .cse15 .cse16 .cse2 .cse17) (and .cse0 .cse16 .cse24 .cse8) (and .cse23 .cse18 .cse7 .cse8 .cse9) (and .cse7 .cse8 .cse19 (<= ~a0~0 599920)) (and .cse0 .cse24 .cse2 .cse17 .cse4) (and .cse0 .cse16 .cse8 .cse19) (and .cse0 .cse15 .cse2 .cse17 .cse9 .cse4) (and .cse0 .cse16 .cse1 .cse24))))) [2020-11-30 00:44:48,169 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-30 00:44:48,169 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-30 00:44:48,169 INFO L274 CegarLoopResult]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,169 INFO L274 CegarLoopResult]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,169 INFO L274 CegarLoopResult]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,169 INFO L274 CegarLoopResult]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,169 INFO L274 CegarLoopResult]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,169 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,170 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,170 INFO L274 CegarLoopResult]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,170 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-30 00:44:48,170 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-30 00:44:48,170 INFO L274 CegarLoopResult]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,170 INFO L274 CegarLoopResult]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2020-11-30 00:44:48,170 INFO L274 CegarLoopResult]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2020-11-30 00:44:48,170 INFO L274 CegarLoopResult]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,170 INFO L274 CegarLoopResult]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,171 INFO L274 CegarLoopResult]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,171 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,171 INFO L274 CegarLoopResult]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,171 INFO L274 CegarLoopResult]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,171 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:44:48,171 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-30 00:44:48,171 INFO L274 CegarLoopResult]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,171 INFO L274 CegarLoopResult]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,171 INFO L274 CegarLoopResult]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,172 INFO L274 CegarLoopResult]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,172 INFO L274 CegarLoopResult]: For program point L352(lines 352 359) no Hoare annotation was computed. [2020-11-30 00:44:48,172 INFO L274 CegarLoopResult]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2020-11-30 00:44:48,172 INFO L274 CegarLoopResult]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2020-11-30 00:44:48,172 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,172 INFO L274 CegarLoopResult]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2020-11-30 00:44:48,172 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-30 00:44:48,172 INFO L274 CegarLoopResult]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,172 INFO L274 CegarLoopResult]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,173 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,173 INFO L274 CegarLoopResult]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,173 INFO L274 CegarLoopResult]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,173 INFO L274 CegarLoopResult]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,173 INFO L274 CegarLoopResult]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,173 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-30 00:44:48,173 INFO L274 CegarLoopResult]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,173 INFO L274 CegarLoopResult]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,174 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,174 INFO L274 CegarLoopResult]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,174 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-30 00:44:48,174 INFO L274 CegarLoopResult]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,174 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,174 INFO L274 CegarLoopResult]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2020-11-30 00:44:48,174 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,174 INFO L274 CegarLoopResult]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,174 INFO L274 CegarLoopResult]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,175 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,175 INFO L274 CegarLoopResult]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,175 INFO L274 CegarLoopResult]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,175 INFO L274 CegarLoopResult]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,175 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-11-30 00:44:48,175 INFO L274 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-11-30 00:44:48,175 INFO L274 CegarLoopResult]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,175 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-30 00:44:48,175 INFO L274 CegarLoopResult]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,176 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2020-11-30 00:44:48,176 INFO L274 CegarLoopResult]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,176 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-30 00:44:48,176 INFO L274 CegarLoopResult]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2020-11-30 00:44:48,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:44:48 BoogieIcfgContainer [2020-11-30 00:44:48,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:44:48,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:44:48,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:44:48,240 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:44:48,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:40:29" (3/4) ... [2020-11-30 00:44:48,248 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:44:48,293 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-30 00:44:48,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:44:48,300 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:44:48,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:44:48,574 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b43a2817-6a0f-41c5-a131-9d36be1f50fe/bin/uautomizer/witness.graphml [2020-11-30 00:44:48,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:44:48,575 INFO L168 Benchmark]: Toolchain (without parser) took 265404.27 ms. Allocated memory was 83.9 MB in the beginning and 3.5 GB in the end (delta: 3.4 GB). Free memory was 46.5 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. [2020-11-30 00:44:48,576 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:44:48,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1618.49 ms. Allocated memory was 83.9 MB in the beginning and 117.4 MB in the end (delta: 33.6 MB). Free memory was 46.2 MB in the beginning and 59.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:44:48,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 293.59 ms. Allocated memory is still 117.4 MB. Free memory was 59.3 MB in the beginning and 57.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:44:48,577 INFO L168 Benchmark]: Boogie Preprocessor took 322.80 ms. Allocated memory is still 117.4 MB. Free memory was 57.3 MB in the beginning and 55.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:44:48,577 INFO L168 Benchmark]: RCFGBuilder took 4260.27 ms. Allocated memory was 117.4 MB in the beginning and 257.9 MB in the end (delta: 140.5 MB). Free memory was 55.7 MB in the beginning and 146.7 MB in the end (delta: -91.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:44:48,578 INFO L168 Benchmark]: TraceAbstraction took 258564.00 ms. Allocated memory was 257.9 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 145.7 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. [2020-11-30 00:44:48,578 INFO L168 Benchmark]: Witness Printer took 334.51 ms. Allocated memory is still 3.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:44:48,581 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 83.9 MB. Free memory is still 42.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1618.49 ms. Allocated memory was 83.9 MB in the beginning and 117.4 MB in the end (delta: 33.6 MB). Free memory was 46.2 MB in the beginning and 59.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 293.59 ms. Allocated memory is still 117.4 MB. Free memory was 59.3 MB in the beginning and 57.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 322.80 ms. Allocated memory is still 117.4 MB. Free memory was 57.3 MB in the beginning and 55.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 30.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4260.27 ms. Allocated memory was 117.4 MB in the beginning and 257.9 MB in the end (delta: 140.5 MB). Free memory was 55.7 MB in the beginning and 146.7 MB in the end (delta: -91.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 258564.00 ms. Allocated memory was 257.9 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 145.7 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. * Witness Printer took 334.51 ms. Allocated memory is still 3.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && 0 < a0 + 147) && a0 + 98 <= 0) || (a29 + 145 <= 0 && ((((a2 == 1 && a4 + 89 <= 0) && a0 + 44 <= 0) && 0 <= a29 + 127) || (((a2 == 1 && a4 + 89 <= 0) && 0 < a0 + 98) && a0 + 44 <= 0)))) || (a0 + 56 <= 0 && ((((a2 == 1 && a4 + 89 <= 0) && a0 + 44 <= 0) && 0 <= a29 + 127) || (((a2 == 1 && a4 + 89 <= 0) && 0 < a0 + 98) && a0 + 44 <= 0)))) || (((a4 + 89 <= 0 && 4 <= a2) && 0 <= a29 + 127) && a0 <= 599946)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && 3 == a2) && a0 + 98 <= 0)) || ((3 == a2 && a4 + 89 <= 0) && a0 <= 599946)) || (((((a2 == 1 && a4 + 89 <= 0) && a0 + 44 <= 0) && 0 <= a0 + 44) && a29 + 127 <= 0) && 0 <= a29 + 127)) || (((a2 <= 2 && a0 + 147 <= 0) && 2 <= a2) && 0 <= a29 + 127)) || ((((a0 <= 599976 && a4 + 89 <= 0) && 4 <= a2) && !(5 == a2)) && 0 <= a29 + 127)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 == 1) && a0 + 31780 <= 0)) || ((a4 + 89 <= 0 && 4 <= a2) && a0 + 98 <= 0)) || (((((a4 + 42 <= 0 && a2 == 1) && a29 + 18 <= 0) && 0 < a4 + 86) && a0 + 56 <= 0) && 0 < a0 + 98)) || ((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && 0 <= a29 + 127) && a0 + 31779 <= 0)) || ((((((a29 <= 15 && a4 + 42 <= 0) && 0 < a4 + 86) && 0 < a0 + 147) && 2 <= a2) && 0 <= a29 + 127) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 4 <= a2) && a0 + 31779 <= 0)) || (((a2 <= 2 && 2 <= a2) && a4 + 89 <= 0) && a0 <= 599946)) || (((((a4 + 42 <= 0 && a29 + 18 <= 0) && 0 < a4 + 86) && 0 < a0 + 147) && 4 <= a2) && a0 + 98 <= 0)) || ((a4 + 42 <= 0 && a0 + 147 <= 0) && 3 == a2)) || ((((a4 + 42 <= 0 && a2 <= 2) && a0 + 147 <= 0) && 0 < a4 + 86) && 2 <= a2)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 43 < a29) && 4 <= a2)) || ((((a29 <= 15 && a0 <= 599976) && a4 + 89 <= 0) && 4 <= a2) && 0 <= a29 + 127)) || (((a4 + 89 <= 0 && 4 <= a2) && !(5 == a2)) && a0 <= 599920)) || ((((a4 + 42 <= 0 && 43 < a29) && 0 < a4 + 86) && 2 <= a2) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 4 <= a2) && !(5 == a2))) || (((((a4 + 42 <= 0 && a2 <= 2) && 0 < a4 + 86) && 2 <= a2) && 0 <= a29 + 127) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && a2 == 1) && 43 < a29) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && 0 < a0 + 147) && a0 + 98 <= 0) || (a29 + 145 <= 0 && ((((a2 == 1 && a4 + 89 <= 0) && a0 + 44 <= 0) && 0 <= a29 + 127) || (((a2 == 1 && a4 + 89 <= 0) && 0 < a0 + 98) && a0 + 44 <= 0)))) || (a0 + 56 <= 0 && ((((a2 == 1 && a4 + 89 <= 0) && a0 + 44 <= 0) && 0 <= a29 + 127) || (((a2 == 1 && a4 + 89 <= 0) && 0 < a0 + 98) && a0 + 44 <= 0)))) || (((a4 + 89 <= 0 && 4 <= a2) && 0 <= a29 + 127) && a0 <= 599946)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && 3 == a2) && a0 + 98 <= 0)) || ((3 == a2 && a4 + 89 <= 0) && a0 <= 599946)) || (((((a2 == 1 && a4 + 89 <= 0) && a0 + 44 <= 0) && 0 <= a0 + 44) && a29 + 127 <= 0) && 0 <= a29 + 127)) || (((a2 <= 2 && a0 + 147 <= 0) && 2 <= a2) && 0 <= a29 + 127)) || ((((a0 <= 599976 && a4 + 89 <= 0) && 4 <= a2) && !(5 == a2)) && 0 <= a29 + 127)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 == 1) && a0 + 31780 <= 0)) || ((a4 + 89 <= 0 && 4 <= a2) && a0 + 98 <= 0)) || (((((a4 + 42 <= 0 && a2 == 1) && a29 + 18 <= 0) && 0 < a4 + 86) && a0 + 56 <= 0) && 0 < a0 + 98)) || ((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && 0 <= a29 + 127) && a0 + 31779 <= 0)) || ((((((a29 <= 15 && a4 + 42 <= 0) && 0 < a4 + 86) && 0 < a0 + 147) && 2 <= a2) && 0 <= a29 + 127) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 4 <= a2) && a0 + 31779 <= 0)) || (((a2 <= 2 && 2 <= a2) && a4 + 89 <= 0) && a0 <= 599946)) || (((((a4 + 42 <= 0 && a29 + 18 <= 0) && 0 < a4 + 86) && 0 < a0 + 147) && 4 <= a2) && a0 + 98 <= 0)) || ((a4 + 42 <= 0 && a0 + 147 <= 0) && 3 == a2)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 43 < a29) && 4 <= a2)) || ((((a4 + 42 <= 0 && a2 <= 2) && a0 + 147 <= 0) && 0 < a4 + 86) && 2 <= a2)) || ((((a29 <= 15 && a0 <= 599976) && a4 + 89 <= 0) && 4 <= a2) && 0 <= a29 + 127)) || (((a4 + 89 <= 0 && 4 <= a2) && !(5 == a2)) && a0 <= 599920)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 4 <= a2) && !(5 == a2))) || ((((a4 + 42 <= 0 && 43 < a29) && 0 < a4 + 86) && 2 <= a2) && a0 + 98 <= 0)) || (((((a4 + 42 <= 0 && a2 <= 2) && 0 < a4 + 86) && 2 <= a2) && 0 <= a29 + 127) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && a2 == 1) && 43 < a29) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && 0 < a0 + 147) && a0 + 98 <= 0) || (a29 + 145 <= 0 && ((((a2 == 1 && a4 + 89 <= 0) && a0 + 44 <= 0) && 0 <= a29 + 127) || (((a2 == 1 && a4 + 89 <= 0) && 0 < a0 + 98) && a0 + 44 <= 0)))) || (a0 + 56 <= 0 && ((((a2 == 1 && a4 + 89 <= 0) && a0 + 44 <= 0) && 0 <= a29 + 127) || (((a2 == 1 && a4 + 89 <= 0) && 0 < a0 + 98) && a0 + 44 <= 0)))) || (((a4 + 89 <= 0 && 4 <= a2) && 0 <= a29 + 127) && a0 <= 599946)) || (((a4 + 42 <= 0 && 0 < a4 + 86) && 3 == a2) && a0 + 98 <= 0)) || ((3 == a2 && a4 + 89 <= 0) && a0 <= 599946)) || (((((a2 == 1 && a4 + 89 <= 0) && a0 + 44 <= 0) && 0 <= a0 + 44) && a29 + 127 <= 0) && 0 <= a29 + 127)) || (((a2 <= 2 && a0 + 147 <= 0) && 2 <= a2) && 0 <= a29 + 127)) || ((((a0 <= 599976 && a4 + 89 <= 0) && 4 <= a2) && !(5 == a2)) && 0 <= a29 + 127)) || (a0 + 147 <= 0 && a4 + 89 <= 0)) || ((a4 + 42 <= 0 && a2 == 1) && a0 + 31780 <= 0)) || ((a4 + 89 <= 0 && 4 <= a2) && a0 + 98 <= 0)) || (((((a4 + 42 <= 0 && a2 == 1) && a29 + 18 <= 0) && 0 < a4 + 86) && a0 + 56 <= 0) && 0 < a0 + 98)) || ((((a4 + 42 <= 0 && a2 == 1) && 0 < a4 + 86) && 0 <= a29 + 127) && a0 + 31779 <= 0)) || ((((((a29 <= 15 && a4 + 42 <= 0) && 0 < a4 + 86) && 0 < a0 + 147) && 2 <= a2) && 0 <= a29 + 127) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 4 <= a2) && a0 + 31779 <= 0)) || (((a2 <= 2 && 2 <= a2) && a4 + 89 <= 0) && a0 <= 599946)) || (((((a4 + 42 <= 0 && a29 + 18 <= 0) && 0 < a4 + 86) && 0 < a0 + 147) && 4 <= a2) && a0 + 98 <= 0)) || ((a4 + 42 <= 0 && a0 + 147 <= 0) && 3 == a2)) || ((((a4 + 42 <= 0 && a2 <= 2) && a0 + 147 <= 0) && 0 < a4 + 86) && 2 <= a2)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 43 < a29) && 4 <= a2)) || ((((a29 <= 15 && a0 <= 599976) && a4 + 89 <= 0) && 4 <= a2) && 0 <= a29 + 127)) || (((a4 + 89 <= 0 && 4 <= a2) && !(5 == a2)) && a0 <= 599920)) || ((((a4 + 42 <= 0 && 43 < a29) && 0 < a4 + 86) && 2 <= a2) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && 4 <= a2) && !(5 == a2))) || (((((a4 + 42 <= 0 && a2 <= 2) && 0 < a4 + 86) && 2 <= a2) && 0 <= a29 + 127) && a0 + 98 <= 0)) || (((a4 + 42 <= 0 && a0 + 147 <= 0) && a2 == 1) && 43 < a29) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 425 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 212.2s, OverallIterations: 31, TraceHistogramMax: 9, AutomataDifference: 163.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 46.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7766 SDtfs, 11315 SDslu, 1626 SDs, 0 SdLazy, 47726 SolverSat, 6548 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 105.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6648 GetRequests, 6558 SyntacticMatches, 6 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45282occurred in iteration=29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.3s AutomataMinimizationTime, 31 MinimizatonAttempts, 80279 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 431 NumberOfFragments, 1771 HoareAnnotationTreeSize, 4 FomulaSimplifications, 51660784 FormulaSimplificationTreeSizeReduction, 7.4s HoareSimplificationTime, 4 FomulaSimplificationsInter, 38067782 FormulaSimplificationTreeSizeReductionInter, 38.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 26477 NumberOfCodeBlocks, 26477 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 26438 ConstructedInterpolants, 1 QuantifiedInterpolants, 69017008 SizeOfPredicates, 6 NumberOfNonLiveVariables, 7765 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 39 InterpolantComputations, 29 PerfectInterpolantSequences, 35908/40601 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...