./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.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_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c -s /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/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 f1077bb355a584e2f609035802d978c056cb6ae4 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:31:10,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:31:10,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:31:10,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:31:10,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:31:10,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:31:10,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:31:10,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:31:10,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:31:10,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:31:10,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:31:10,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:31:10,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:31:10,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:31:10,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:31:10,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:31:10,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:31:10,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:31:10,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:31:10,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:31:10,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:31:10,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:31:10,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:31:10,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:31:10,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:31:10,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:31:10,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:31:10,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:31:10,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:31:10,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:31:10,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:31:10,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:31:10,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:31:10,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:31:10,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:31:10,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:31:10,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:31:10,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:31:10,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:31:10,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:31:10,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:31:10,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:31:10,782 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:31:10,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:31:10,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:31:10,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:31:10,784 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:31:10,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:31:10,784 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:31:10,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:31:10,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:31:10,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:31:10,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:31:10,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:31:10,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:31:10,786 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:31:10,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:31:10,786 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:31:10,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:31:10,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:31:10,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:31:10,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:31:10,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:31:10,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:31:10,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:31:10,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:31:10,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:31:10,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:31:10,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:31:10,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:31:10,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:31:10,790 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_18f3c22d-4d95-4e65-800a-c12cb128495c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1077bb355a584e2f609035802d978c056cb6ae4 [2020-11-30 00:31:11,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:31:11,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:31:11,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:31:11,112 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:31:11,113 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:31:11,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2020-11-30 00:31:11,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/data/d6d538f03/5ed499f1e0b7404f97628ae7b87e0786/FLAG7cb80ca50 [2020-11-30 00:31:11,852 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:31:11,852 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/sv-benchmarks/c/eca-rers2012/Problem11_label44.c [2020-11-30 00:31:11,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/data/d6d538f03/5ed499f1e0b7404f97628ae7b87e0786/FLAG7cb80ca50 [2020-11-30 00:31:12,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/data/d6d538f03/5ed499f1e0b7404f97628ae7b87e0786 [2020-11-30 00:31:12,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:31:12,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:31:12,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:12,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:31:12,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:31:12,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4095b663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:12, skipping insertion in model container [2020-11-30 00:31:12,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:31:12" (1/1) ... [2020-11-30 00:31:12,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:31:12,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:31:12,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:12,784 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:31:13,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:31:13,112 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:31:13,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13 WrapperNode [2020-11-30 00:31:13,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:31:13,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:13,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:31:13,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:31:13,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (1/1) ... [2020-11-30 00:31:13,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (1/1) ... [2020-11-30 00:31:13,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:31:13,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:31:13,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:31:13,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:31:13,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (1/1) ... [2020-11-30 00:31:13,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (1/1) ... [2020-11-30 00:31:13,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (1/1) ... [2020-11-30 00:31:13,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (1/1) ... [2020-11-30 00:31:13,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (1/1) ... [2020-11-30 00:31:13,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (1/1) ... [2020-11-30 00:31:13,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (1/1) ... [2020-11-30 00:31:13,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:31:13,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:31:13,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:31:13,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:31:13,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/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 00:31:13,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:31:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:31:13,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:31:13,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:31:15,836 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:31:15,837 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:31:15,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:15 BoogieIcfgContainer [2020-11-30 00:31:15,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:31:15,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:31:15,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:31:15,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:31:15,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:31:12" (1/3) ... [2020-11-30 00:31:15,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c9c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:31:15, skipping insertion in model container [2020-11-30 00:31:15,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:31:13" (2/3) ... [2020-11-30 00:31:15,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c9c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:31:15, skipping insertion in model container [2020-11-30 00:31:15,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:15" (3/3) ... [2020-11-30 00:31:15,850 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label44.c [2020-11-30 00:31:15,862 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:31:15,867 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:31:15,880 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:31:15,915 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:31:15,915 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:31:15,915 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:31:15,915 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:31:15,916 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:31:15,916 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:31:15,916 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:31:15,916 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:31:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-30 00:31:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:31:15,941 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:15,942 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] [2020-11-30 00:31:15,942 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:15,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:15,948 INFO L82 PathProgramCache]: Analyzing trace with hash 678582746, now seen corresponding path program 1 times [2020-11-30 00:31:15,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:15,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746172790] [2020-11-30 00:31:15,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:16,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:16,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746172790] [2020-11-30 00:31:16,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:16,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:31:16,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994272630] [2020-11-30 00:31:16,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:16,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:16,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:16,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:16,217 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-30 00:31:18,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:18,200 INFO L93 Difference]: Finished difference Result 764 states and 1353 transitions. [2020-11-30 00:31:18,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:18,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-30 00:31:18,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:18,221 INFO L225 Difference]: With dead ends: 764 [2020-11-30 00:31:18,221 INFO L226 Difference]: Without dead ends: 416 [2020-11-30 00:31:18,226 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 00:31:18,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-11-30 00:31:18,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408. [2020-11-30 00:31:18,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-11-30 00:31:18,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions. [2020-11-30 00:31:18,300 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 26 [2020-11-30 00:31:18,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:18,301 INFO L481 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions. [2020-11-30 00:31:18,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions. [2020-11-30 00:31:18,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-30 00:31:18,305 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:18,305 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:31:18,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:31:18,306 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:18,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:18,307 INFO L82 PathProgramCache]: Analyzing trace with hash -839688192, now seen corresponding path program 1 times [2020-11-30 00:31:18,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:18,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175859244] [2020-11-30 00:31:18,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:18,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175859244] [2020-11-30 00:31:18,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:18,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:31:18,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346895208] [2020-11-30 00:31:18,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:18,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:18,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:18,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:18,502 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand 3 states. [2020-11-30 00:31:19,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:19,497 INFO L93 Difference]: Finished difference Result 1189 states and 1922 transitions. [2020-11-30 00:31:19,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:19,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2020-11-30 00:31:19,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:19,504 INFO L225 Difference]: With dead ends: 1189 [2020-11-30 00:31:19,505 INFO L226 Difference]: Without dead ends: 783 [2020-11-30 00:31:19,508 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 00:31:19,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-11-30 00:31:19,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2020-11-30 00:31:19,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2020-11-30 00:31:19,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1128 transitions. [2020-11-30 00:31:19,550 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1128 transitions. Word has length 91 [2020-11-30 00:31:19,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:19,551 INFO L481 AbstractCegarLoop]: Abstraction has 783 states and 1128 transitions. [2020-11-30 00:31:19,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:19,551 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1128 transitions. [2020-11-30 00:31:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-30 00:31:19,555 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:19,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:31:19,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:31:19,566 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:19,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:19,567 INFO L82 PathProgramCache]: Analyzing trace with hash -488615118, now seen corresponding path program 1 times [2020-11-30 00:31:19,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:19,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904589239] [2020-11-30 00:31:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:19,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904589239] [2020-11-30 00:31:19,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:19,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:31:19,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610505200] [2020-11-30 00:31:19,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:19,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:19,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:19,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:19,790 INFO L87 Difference]: Start difference. First operand 783 states and 1128 transitions. Second operand 3 states. [2020-11-30 00:31:20,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:20,938 INFO L93 Difference]: Finished difference Result 1942 states and 2803 transitions. [2020-11-30 00:31:20,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:20,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-11-30 00:31:20,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:20,946 INFO L225 Difference]: With dead ends: 1942 [2020-11-30 00:31:20,946 INFO L226 Difference]: Without dead ends: 1161 [2020-11-30 00:31:20,950 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 00:31:20,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2020-11-30 00:31:20,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1151. [2020-11-30 00:31:20,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-11-30 00:31:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1538 transitions. [2020-11-30 00:31:20,995 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1538 transitions. Word has length 94 [2020-11-30 00:31:20,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:20,997 INFO L481 AbstractCegarLoop]: Abstraction has 1151 states and 1538 transitions. [2020-11-30 00:31:20,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1538 transitions. [2020-11-30 00:31:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-11-30 00:31:21,008 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:21,008 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:31:21,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:31:21,009 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:21,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:21,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1576769782, now seen corresponding path program 1 times [2020-11-30 00:31:21,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:21,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905332801] [2020-11-30 00:31:21,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:21,175 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:21,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905332801] [2020-11-30 00:31:21,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:21,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:31:21,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079075555] [2020-11-30 00:31:21,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:21,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:21,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:21,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:21,178 INFO L87 Difference]: Start difference. First operand 1151 states and 1538 transitions. Second operand 3 states. [2020-11-30 00:31:22,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:22,471 INFO L93 Difference]: Finished difference Result 2853 states and 3736 transitions. [2020-11-30 00:31:22,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:22,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-11-30 00:31:22,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:22,487 INFO L225 Difference]: With dead ends: 2853 [2020-11-30 00:31:22,487 INFO L226 Difference]: Without dead ends: 1704 [2020-11-30 00:31:22,489 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 00:31:22,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2020-11-30 00:31:22,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1519. [2020-11-30 00:31:22,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-11-30 00:31:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1924 transitions. [2020-11-30 00:31:22,524 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1924 transitions. Word has length 95 [2020-11-30 00:31:22,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:22,524 INFO L481 AbstractCegarLoop]: Abstraction has 1519 states and 1924 transitions. [2020-11-30 00:31:22,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1924 transitions. [2020-11-30 00:31:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-30 00:31:22,535 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:22,535 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:31:22,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:31:22,536 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:22,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:22,537 INFO L82 PathProgramCache]: Analyzing trace with hash -840816397, now seen corresponding path program 1 times [2020-11-30 00:31:22,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:22,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016885506] [2020-11-30 00:31:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-30 00:31:22,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016885506] [2020-11-30 00:31:22,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:22,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:31:22,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504317742] [2020-11-30 00:31:22,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:22,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:22,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:22,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:22,789 INFO L87 Difference]: Start difference. First operand 1519 states and 1924 transitions. Second operand 3 states. [2020-11-30 00:31:23,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:23,853 INFO L93 Difference]: Finished difference Result 3963 states and 4902 transitions. [2020-11-30 00:31:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:23,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2020-11-30 00:31:23,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:23,869 INFO L225 Difference]: With dead ends: 3963 [2020-11-30 00:31:23,869 INFO L226 Difference]: Without dead ends: 2446 [2020-11-30 00:31:23,872 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 00:31:23,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2020-11-30 00:31:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2261. [2020-11-30 00:31:23,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2020-11-30 00:31:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2763 transitions. [2020-11-30 00:31:23,922 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2763 transitions. Word has length 169 [2020-11-30 00:31:23,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:23,925 INFO L481 AbstractCegarLoop]: Abstraction has 2261 states and 2763 transitions. [2020-11-30 00:31:23,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:23,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2763 transitions. [2020-11-30 00:31:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-11-30 00:31:23,930 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:23,931 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:23,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:31:23,931 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:23,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:23,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1191855566, now seen corresponding path program 1 times [2020-11-30 00:31:23,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:23,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096656070] [2020-11-30 00:31:23,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:24,127 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:24,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096656070] [2020-11-30 00:31:24,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:24,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:24,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751129323] [2020-11-30 00:31:24,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:24,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:24,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:24,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:24,132 INFO L87 Difference]: Start difference. First operand 2261 states and 2763 transitions. Second operand 3 states. [2020-11-30 00:31:25,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:25,335 INFO L93 Difference]: Finished difference Result 5263 states and 6501 transitions. [2020-11-30 00:31:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:25,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2020-11-30 00:31:25,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:25,355 INFO L225 Difference]: With dead ends: 5263 [2020-11-30 00:31:25,356 INFO L226 Difference]: Without dead ends: 3188 [2020-11-30 00:31:25,359 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 00:31:25,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2020-11-30 00:31:25,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 2813. [2020-11-30 00:31:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2813 states. [2020-11-30 00:31:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3417 transitions. [2020-11-30 00:31:25,432 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3417 transitions. Word has length 206 [2020-11-30 00:31:25,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:25,436 INFO L481 AbstractCegarLoop]: Abstraction has 2813 states and 3417 transitions. [2020-11-30 00:31:25,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3417 transitions. [2020-11-30 00:31:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-11-30 00:31:25,440 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:25,441 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:31:25,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:31:25,442 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:25,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:25,442 INFO L82 PathProgramCache]: Analyzing trace with hash 2131753434, now seen corresponding path program 1 times [2020-11-30 00:31:25,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:25,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984027419] [2020-11-30 00:31:25,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-30 00:31:25,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984027419] [2020-11-30 00:31:25,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:25,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:25,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765949573] [2020-11-30 00:31:25,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:25,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:25,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:25,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:25,679 INFO L87 Difference]: Start difference. First operand 2813 states and 3417 transitions. Second operand 3 states. [2020-11-30 00:31:27,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:27,004 INFO L93 Difference]: Finished difference Result 7292 states and 8963 transitions. [2020-11-30 00:31:27,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:27,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2020-11-30 00:31:27,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:27,027 INFO L225 Difference]: With dead ends: 7292 [2020-11-30 00:31:27,028 INFO L226 Difference]: Without dead ends: 4296 [2020-11-30 00:31:27,032 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 00:31:27,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4296 states. [2020-11-30 00:31:27,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4296 to 3744. [2020-11-30 00:31:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3744 states. [2020-11-30 00:31:27,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 4562 transitions. [2020-11-30 00:31:27,108 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 4562 transitions. Word has length 207 [2020-11-30 00:31:27,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:27,109 INFO L481 AbstractCegarLoop]: Abstraction has 3744 states and 4562 transitions. [2020-11-30 00:31:27,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 4562 transitions. [2020-11-30 00:31:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-11-30 00:31:27,114 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:27,114 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:31:27,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:31:27,115 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:27,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:27,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1689895512, now seen corresponding path program 1 times [2020-11-30 00:31:27,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:27,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409130750] [2020-11-30 00:31:27,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:27,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409130750] [2020-11-30 00:31:27,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:27,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:27,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089128995] [2020-11-30 00:31:27,277 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:27,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:27,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:27,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:27,278 INFO L87 Difference]: Start difference. First operand 3744 states and 4562 transitions. Second operand 3 states. [2020-11-30 00:31:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:28,435 INFO L93 Difference]: Finished difference Result 7483 states and 9119 transitions. [2020-11-30 00:31:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:28,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 244 [2020-11-30 00:31:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:28,456 INFO L225 Difference]: With dead ends: 7483 [2020-11-30 00:31:28,456 INFO L226 Difference]: Without dead ends: 3741 [2020-11-30 00:31:28,461 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 00:31:28,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3741 states. [2020-11-30 00:31:28,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3741 to 3741. [2020-11-30 00:31:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3741 states. [2020-11-30 00:31:28,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3741 states and 4447 transitions. [2020-11-30 00:31:28,542 INFO L78 Accepts]: Start accepts. Automaton has 3741 states and 4447 transitions. Word has length 244 [2020-11-30 00:31:28,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:28,543 INFO L481 AbstractCegarLoop]: Abstraction has 3741 states and 4447 transitions. [2020-11-30 00:31:28,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:28,543 INFO L276 IsEmpty]: Start isEmpty. Operand 3741 states and 4447 transitions. [2020-11-30 00:31:28,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2020-11-30 00:31:28,548 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:28,548 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 00:31:28,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:31:28,549 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:28,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:28,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1746781467, now seen corresponding path program 1 times [2020-11-30 00:31:28,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:28,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399910172] [2020-11-30 00:31:28,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-30 00:31:28,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399910172] [2020-11-30 00:31:28,769 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:28,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:28,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843929810] [2020-11-30 00:31:28,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:28,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:28,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:28,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:28,777 INFO L87 Difference]: Start difference. First operand 3741 states and 4447 transitions. Second operand 3 states. [2020-11-30 00:31:29,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:29,887 INFO L93 Difference]: Finished difference Result 8221 states and 9768 transitions. [2020-11-30 00:31:29,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:29,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2020-11-30 00:31:29,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:29,910 INFO L225 Difference]: With dead ends: 8221 [2020-11-30 00:31:29,910 INFO L226 Difference]: Without dead ends: 4482 [2020-11-30 00:31:29,914 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 00:31:29,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4482 states. [2020-11-30 00:31:29,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4482 to 3741. [2020-11-30 00:31:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3741 states. [2020-11-30 00:31:30,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3741 states and 4447 transitions. [2020-11-30 00:31:30,005 INFO L78 Accepts]: Start accepts. Automaton has 3741 states and 4447 transitions. Word has length 258 [2020-11-30 00:31:30,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:30,006 INFO L481 AbstractCegarLoop]: Abstraction has 3741 states and 4447 transitions. [2020-11-30 00:31:30,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:30,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3741 states and 4447 transitions. [2020-11-30 00:31:30,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-11-30 00:31:30,012 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:30,013 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:31:30,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:31:30,013 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:30,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:30,014 INFO L82 PathProgramCache]: Analyzing trace with hash -523084287, now seen corresponding path program 1 times [2020-11-30 00:31:30,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:30,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101512655] [2020-11-30 00:31:30,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:30,261 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-30 00:31:30,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101512655] [2020-11-30 00:31:30,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:30,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:30,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053442620] [2020-11-30 00:31:30,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:31:30,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:30,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:31:30,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:31:30,264 INFO L87 Difference]: Start difference. First operand 3741 states and 4447 transitions. Second operand 4 states. [2020-11-30 00:31:32,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:32,233 INFO L93 Difference]: Finished difference Result 12833 states and 15376 transitions. [2020-11-30 00:31:32,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:31:32,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2020-11-30 00:31:32,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:32,283 INFO L225 Difference]: With dead ends: 12833 [2020-11-30 00:31:32,283 INFO L226 Difference]: Without dead ends: 9093 [2020-11-30 00:31:32,288 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 00:31:32,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9093 states. [2020-11-30 00:31:32,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9093 to 8531. [2020-11-30 00:31:32,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8531 states. [2020-11-30 00:31:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8531 states to 8531 states and 10084 transitions. [2020-11-30 00:31:32,480 INFO L78 Accepts]: Start accepts. Automaton has 8531 states and 10084 transitions. Word has length 261 [2020-11-30 00:31:32,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:32,481 INFO L481 AbstractCegarLoop]: Abstraction has 8531 states and 10084 transitions. [2020-11-30 00:31:32,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:31:32,481 INFO L276 IsEmpty]: Start isEmpty. Operand 8531 states and 10084 transitions. [2020-11-30 00:31:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-11-30 00:31:32,487 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:32,488 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:32,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:31:32,488 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:32,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:32,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1006727847, now seen corresponding path program 1 times [2020-11-30 00:31:32,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:32,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170055125] [2020-11-30 00:31:32,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:32,747 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:31:32,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170055125] [2020-11-30 00:31:32,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:32,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:32,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143955682] [2020-11-30 00:31:32,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 00:31:32,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:32,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:31:32,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:31:32,751 INFO L87 Difference]: Start difference. First operand 8531 states and 10084 transitions. Second operand 4 states. [2020-11-30 00:31:34,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:34,417 INFO L93 Difference]: Finished difference Result 22051 states and 26120 transitions. [2020-11-30 00:31:34,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:31:34,430 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 270 [2020-11-30 00:31:34,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:34,456 INFO L225 Difference]: With dead ends: 22051 [2020-11-30 00:31:34,456 INFO L226 Difference]: Without dead ends: 13890 [2020-11-30 00:31:34,466 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 00:31:34,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13890 states. [2020-11-30 00:31:34,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13890 to 13521. [2020-11-30 00:31:34,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13521 states. [2020-11-30 00:31:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13521 states to 13521 states and 15922 transitions. [2020-11-30 00:31:34,770 INFO L78 Accepts]: Start accepts. Automaton has 13521 states and 15922 transitions. Word has length 270 [2020-11-30 00:31:34,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:34,771 INFO L481 AbstractCegarLoop]: Abstraction has 13521 states and 15922 transitions. [2020-11-30 00:31:34,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 00:31:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 13521 states and 15922 transitions. [2020-11-30 00:31:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-11-30 00:31:34,778 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:34,779 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-30 00:31:34,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:31:34,779 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:34,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:34,780 INFO L82 PathProgramCache]: Analyzing trace with hash -840118851, now seen corresponding path program 1 times [2020-11-30 00:31:34,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:34,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739437026] [2020-11-30 00:31:34,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2020-11-30 00:31:34,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739437026] [2020-11-30 00:31:34,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:34,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:34,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521674736] [2020-11-30 00:31:34,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:34,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:34,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:34,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:34,946 INFO L87 Difference]: Start difference. First operand 13521 states and 15922 transitions. Second operand 3 states. [2020-11-30 00:31:36,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:36,031 INFO L93 Difference]: Finished difference Result 27955 states and 32980 transitions. [2020-11-30 00:31:36,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:36,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2020-11-30 00:31:36,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:36,061 INFO L225 Difference]: With dead ends: 27955 [2020-11-30 00:31:36,061 INFO L226 Difference]: Without dead ends: 15912 [2020-11-30 00:31:36,072 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 00:31:36,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15912 states. [2020-11-30 00:31:36,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15912 to 10936. [2020-11-30 00:31:36,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10936 states. [2020-11-30 00:31:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10936 states to 10936 states and 12943 transitions. [2020-11-30 00:31:36,272 INFO L78 Accepts]: Start accepts. Automaton has 10936 states and 12943 transitions. Word has length 281 [2020-11-30 00:31:36,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:36,272 INFO L481 AbstractCegarLoop]: Abstraction has 10936 states and 12943 transitions. [2020-11-30 00:31:36,272 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:36,272 INFO L276 IsEmpty]: Start isEmpty. Operand 10936 states and 12943 transitions. [2020-11-30 00:31:36,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-11-30 00:31:36,281 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:36,281 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:36,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:31:36,282 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:36,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:36,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1163392709, now seen corresponding path program 1 times [2020-11-30 00:31:36,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:36,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025661511] [2020-11-30 00:31:36,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:36,500 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-11-30 00:31:36,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025661511] [2020-11-30 00:31:36,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:36,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:36,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430141152] [2020-11-30 00:31:36,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:36,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:36,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:36,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:36,504 INFO L87 Difference]: Start difference. First operand 10936 states and 12943 transitions. Second operand 3 states. [2020-11-30 00:31:37,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:37,659 INFO L93 Difference]: Finished difference Result 24449 states and 29182 transitions. [2020-11-30 00:31:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:37,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2020-11-30 00:31:37,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:37,686 INFO L225 Difference]: With dead ends: 24449 [2020-11-30 00:31:37,687 INFO L226 Difference]: Without dead ends: 13883 [2020-11-30 00:31:37,697 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 00:31:37,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13883 states. [2020-11-30 00:31:37,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13883 to 13511. [2020-11-30 00:31:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13511 states. [2020-11-30 00:31:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13511 states to 13511 states and 15487 transitions. [2020-11-30 00:31:37,960 INFO L78 Accepts]: Start accepts. Automaton has 13511 states and 15487 transitions. Word has length 301 [2020-11-30 00:31:37,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:37,961 INFO L481 AbstractCegarLoop]: Abstraction has 13511 states and 15487 transitions. [2020-11-30 00:31:37,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:37,961 INFO L276 IsEmpty]: Start isEmpty. Operand 13511 states and 15487 transitions. [2020-11-30 00:31:37,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-11-30 00:31:37,967 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:37,967 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:31:37,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:31:37,968 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:37,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:37,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1250232575, now seen corresponding path program 1 times [2020-11-30 00:31:37,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:37,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055025134] [2020-11-30 00:31:37,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-11-30 00:31:38,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055025134] [2020-11-30 00:31:38,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:38,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:31:38,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528714494] [2020-11-30 00:31:38,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:38,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:38,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:38,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:38,389 INFO L87 Difference]: Start difference. First operand 13511 states and 15487 transitions. Second operand 3 states. [2020-11-30 00:31:39,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:39,164 INFO L93 Difference]: Finished difference Result 25904 states and 29666 transitions. [2020-11-30 00:31:39,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:39,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2020-11-30 00:31:39,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:39,187 INFO L225 Difference]: With dead ends: 25904 [2020-11-30 00:31:39,187 INFO L226 Difference]: Without dead ends: 12763 [2020-11-30 00:31:39,202 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 00:31:39,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12763 states. [2020-11-30 00:31:39,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12763 to 12761. [2020-11-30 00:31:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12761 states. [2020-11-30 00:31:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12761 states to 12761 states and 14556 transitions. [2020-11-30 00:31:39,437 INFO L78 Accepts]: Start accepts. Automaton has 12761 states and 14556 transitions. Word has length 308 [2020-11-30 00:31:39,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:39,438 INFO L481 AbstractCegarLoop]: Abstraction has 12761 states and 14556 transitions. [2020-11-30 00:31:39,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:39,438 INFO L276 IsEmpty]: Start isEmpty. Operand 12761 states and 14556 transitions. [2020-11-30 00:31:39,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-11-30 00:31:39,449 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:39,449 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 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 00:31:39,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 00:31:39,450 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:39,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:39,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1041566890, now seen corresponding path program 1 times [2020-11-30 00:31:39,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:39,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101935783] [2020-11-30 00:31:39,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2020-11-30 00:31:39,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101935783] [2020-11-30 00:31:39,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:39,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:39,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411367720] [2020-11-30 00:31:39,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:39,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:39,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:39,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:39,759 INFO L87 Difference]: Start difference. First operand 12761 states and 14556 transitions. Second operand 3 states. [2020-11-30 00:31:41,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:41,004 INFO L93 Difference]: Finished difference Result 28470 states and 32519 transitions. [2020-11-30 00:31:41,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:41,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2020-11-30 00:31:41,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:41,031 INFO L225 Difference]: With dead ends: 28470 [2020-11-30 00:31:41,031 INFO L226 Difference]: Without dead ends: 16079 [2020-11-30 00:31:41,041 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 00:31:41,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16079 states. [2020-11-30 00:31:41,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16079 to 14053. [2020-11-30 00:31:41,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14053 states. [2020-11-30 00:31:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14053 states to 14053 states and 15824 transitions. [2020-11-30 00:31:41,263 INFO L78 Accepts]: Start accepts. Automaton has 14053 states and 15824 transitions. Word has length 330 [2020-11-30 00:31:41,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:41,263 INFO L481 AbstractCegarLoop]: Abstraction has 14053 states and 15824 transitions. [2020-11-30 00:31:41,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 14053 states and 15824 transitions. [2020-11-30 00:31:41,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-11-30 00:31:41,273 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:31:41,273 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:31:41,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-30 00:31:41,274 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:31:41,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:31:41,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1041018399, now seen corresponding path program 1 times [2020-11-30 00:31:41,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:31:41,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230732621] [2020-11-30 00:31:41,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:31:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:31:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-11-30 00:31:41,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230732621] [2020-11-30 00:31:41,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:31:41,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:31:41,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587613418] [2020-11-30 00:31:41,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:31:41,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:31:41,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:31:41,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:31:41,526 INFO L87 Difference]: Start difference. First operand 14053 states and 15824 transitions. Second operand 3 states. [2020-11-30 00:31:42,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:31:42,481 INFO L93 Difference]: Finished difference Result 28654 states and 32281 transitions. [2020-11-30 00:31:42,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:31:42,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 337 [2020-11-30 00:31:42,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:31:42,482 INFO L225 Difference]: With dead ends: 28654 [2020-11-30 00:31:42,482 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:31:42,494 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 00:31:42,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:31:42,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:31:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:31:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:31:42,495 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2020-11-30 00:31:42,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:31:42,495 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:31:42,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:31:42,495 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:31:42,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:31:42,495 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-30 00:31:42,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:31:42,799 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 138 [2020-11-30 00:31:43,102 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 138 [2020-11-30 00:31:43,910 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2020-11-30 00:31:44,772 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2020-11-30 00:31:44,775 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-30 00:31:44,775 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,775 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-30 00:31:44,775 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,775 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,775 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,775 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,775 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,775 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,775 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-30 00:31:44,776 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-30 00:31:44,776 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-30 00:31:44,776 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,776 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,776 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,776 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,776 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,776 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,778 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,779 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,779 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-30 00:31:44,779 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-30 00:31:44,779 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-30 00:31:44,779 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,779 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,779 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,779 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse4 (<= ~a25~0 10)) (.cse9 (<= 247 ~a29~0)) (.cse0 (<= ~a23~0 137)) (.cse7 (<= 10 ~a25~0)) (.cse2 (= ~a25~0 12)) (.cse6 (= ~a4~0 0)) (.cse10 (<= ~a29~0 140)) (.cse5 (<= ~a23~0 138)) (.cse8 (= ~a8~0 15)) (.cse3 (= ~a4~0 1))) (or (and .cse0 (let ((.cse1 (<= ~a29~0 130))) (or (and .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3)))) (and .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse4 .cse6 .cse10 .cse7 .cse8) (and .cse8 .cse3 .cse9) (and .cse0 .cse6 .cse7 .cse8) (and (<= 262 ~a29~0) .cse0 .cse6 .cse8) (and .cse7 .cse8 .cse3) (and .cse6 .cse8 .cse2) (and .cse10 .cse8 .cse3) (and (< 306 ~a23~0) .cse8 .cse3) (and .cse5 .cse6 .cse10 .cse8) (and .cse5 .cse8 .cse3))) [2020-11-30 00:31:44,779 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,779 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,780 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-30 00:31:44,781 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse4 (<= ~a25~0 10)) (.cse9 (<= 247 ~a29~0)) (.cse0 (<= ~a23~0 137)) (.cse7 (<= 10 ~a25~0)) (.cse2 (= ~a25~0 12)) (.cse6 (= ~a4~0 0)) (.cse10 (<= ~a29~0 140)) (.cse5 (<= ~a23~0 138)) (.cse8 (= ~a8~0 15)) (.cse3 (= ~a4~0 1))) (or (and .cse0 (let ((.cse1 (<= ~a29~0 130))) (or (and .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3)))) (and .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse4 .cse6 .cse10 .cse7 .cse8) (and .cse8 .cse3 .cse9) (and .cse0 .cse6 .cse7 .cse8) (and (<= 262 ~a29~0) .cse0 .cse6 .cse8) (and .cse7 .cse8 .cse3) (and .cse6 .cse8 .cse2) (and .cse10 .cse8 .cse3) (and (< 306 ~a23~0) .cse8 .cse3) (and .cse5 .cse6 .cse10 .cse8) (and .cse5 .cse8 .cse3))) [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-30 00:31:44,782 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-30 00:31:44,783 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,784 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,785 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,786 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,787 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,787 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,787 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,787 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-30 00:31:44,787 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-30 00:31:44,787 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-30 00:31:44,787 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,787 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,787 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,790 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,790 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,790 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,790 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-30 00:31:44,790 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-30 00:31:44,791 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-30 00:31:44,791 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,791 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,791 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,791 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,791 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,791 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,791 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,791 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,792 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-30 00:31:44,792 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-30 00:31:44,792 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-30 00:31:44,792 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,792 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,792 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,792 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,792 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,793 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,793 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,793 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 00:31:44,793 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,793 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,793 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,793 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,793 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-30 00:31:44,794 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-30 00:31:44,794 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-30 00:31:44,794 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-30 00:31:44,794 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-30 00:31:44,794 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,794 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,794 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,794 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,794 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,795 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,795 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,795 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-30 00:31:44,795 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-30 00:31:44,795 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-30 00:31:44,795 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,795 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,795 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,795 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-30 00:31:44,796 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-30 00:31:44,796 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,796 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,796 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,796 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,796 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,796 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-30 00:31:44,796 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-30 00:31:44,797 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,797 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,797 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-30 00:31:44,797 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-30 00:31:44,797 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,797 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:31:44,797 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,797 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,797 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,798 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,798 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,798 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-30 00:31:44,798 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-30 00:31:44,798 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-30 00:31:44,798 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-30 00:31:44,798 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,798 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,799 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,799 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,799 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,799 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,799 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,800 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,800 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-30 00:31:44,801 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-30 00:31:44,801 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-30 00:31:44,801 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-30 00:31:44,801 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-30 00:31:44,802 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-30 00:31:44,802 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,802 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,803 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,803 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,804 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,805 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,805 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,805 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-30 00:31:44,805 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-30 00:31:44,805 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:31:44,805 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,805 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,805 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,806 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,806 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,806 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,806 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-30 00:31:44,806 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-30 00:31:44,806 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,806 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,806 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-30 00:31:44,807 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-30 00:31:44,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:31:44 BoogieIcfgContainer [2020-11-30 00:31:44,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:31:44,855 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:31:44,855 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:31:44,855 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:31:44,856 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:31:15" (3/4) ... [2020-11-30 00:31:44,858 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:31:44,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 00:31:44,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 00:31:44,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:31:44,892 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:31:45,090 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_18f3c22d-4d95-4e65-800a-c12cb128495c/bin/uautomizer/witness.graphml [2020-11-30 00:31:45,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:31:45,092 INFO L168 Benchmark]: Toolchain (without parser) took 32939.68 ms. Allocated memory was 81.8 MB in the beginning and 694.2 MB in the end (delta: 612.4 MB). Free memory was 46.4 MB in the beginning and 282.4 MB in the end (delta: -236.0 MB). Peak memory consumption was 376.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:45,092 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 57.3 MB in the beginning and 57.3 MB in the end (delta: 30.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:31:45,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.09 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 46.2 MB in the beginning and 75.9 MB in the end (delta: -29.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:45,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 140.10 ms. Allocated memory is still 107.0 MB. Free memory was 75.9 MB in the beginning and 58.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:45,093 INFO L168 Benchmark]: Boogie Preprocessor took 108.74 ms. Allocated memory is still 107.0 MB. Free memory was 58.8 MB in the beginning and 48.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:45,094 INFO L168 Benchmark]: RCFGBuilder took 2475.08 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 48.7 MB in the beginning and 95.9 MB in the end (delta: -47.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:45,094 INFO L168 Benchmark]: TraceAbstraction took 29012.51 ms. Allocated memory was 157.3 MB in the beginning and 694.2 MB in the end (delta: 536.9 MB). Free memory was 95.9 MB in the beginning and 308.0 MB in the end (delta: -212.2 MB). Peak memory consumption was 431.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:45,095 INFO L168 Benchmark]: Witness Printer took 235.35 ms. Allocated memory is still 694.2 MB. Free memory was 308.0 MB in the beginning and 282.4 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:31:45,098 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 81.8 MB. Free memory was 57.3 MB in the beginning and 57.3 MB in the end (delta: 30.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 960.09 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 46.2 MB in the beginning and 75.9 MB in the end (delta: -29.8 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 140.10 ms. Allocated memory is still 107.0 MB. Free memory was 75.9 MB in the beginning and 58.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.74 ms. Allocated memory is still 107.0 MB. Free memory was 58.8 MB in the beginning and 48.7 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2475.08 ms. Allocated memory was 107.0 MB in the beginning and 157.3 MB in the end (delta: 50.3 MB). Free memory was 48.7 MB in the beginning and 95.9 MB in the end (delta: -47.2 MB). Peak memory consumption was 36.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29012.51 ms. Allocated memory was 157.3 MB in the beginning and 694.2 MB in the end (delta: 536.9 MB). Free memory was 95.9 MB in the beginning and 308.0 MB in the end (delta: -212.2 MB). Peak memory consumption was 431.6 MB. Max. memory is 16.1 GB. * Witness Printer took 235.35 ms. Allocated memory is still 694.2 MB. Free memory was 308.0 MB in the beginning and 282.4 MB in the end (delta: 25.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: 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: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((a23 <= 137 && (((a29 <= 130 && a25 == 12) && a4 == 1) || ((a25 <= 10 && a29 <= 130) && a4 == 1))) || ((((a23 <= 138 && a4 == 0) && 10 <= a25) && a8 == 15) && 247 <= a29)) || ((((a25 <= 10 && a4 == 0) && a29 <= 140) && 10 <= a25) && a8 == 15)) || ((a8 == 15 && a4 == 1) && 247 <= a29)) || (((a23 <= 137 && a4 == 0) && 10 <= a25) && a8 == 15)) || (((262 <= a29 && a23 <= 137) && a4 == 0) && a8 == 15)) || ((10 <= a25 && a8 == 15) && a4 == 1)) || ((a4 == 0 && a8 == 15) && a25 == 12)) || ((a29 <= 140 && a8 == 15) && a4 == 1)) || ((306 < a23 && a8 == 15) && a4 == 1)) || (((a23 <= 138 && a4 == 0) && a29 <= 140) && a8 == 15)) || ((a23 <= 138 && a8 == 15) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((a23 <= 137 && (((a29 <= 130 && a25 == 12) && a4 == 1) || ((a25 <= 10 && a29 <= 130) && a4 == 1))) || ((((a23 <= 138 && a4 == 0) && 10 <= a25) && a8 == 15) && 247 <= a29)) || ((((a25 <= 10 && a4 == 0) && a29 <= 140) && 10 <= a25) && a8 == 15)) || ((a8 == 15 && a4 == 1) && 247 <= a29)) || (((a23 <= 137 && a4 == 0) && 10 <= a25) && a8 == 15)) || (((262 <= a29 && a23 <= 137) && a4 == 0) && a8 == 15)) || ((10 <= a25 && a8 == 15) && a4 == 1)) || ((a4 == 0 && a8 == 15) && a25 == 12)) || ((a29 <= 140 && a8 == 15) && a4 == 1)) || ((306 < a23 && a8 == 15) && a4 == 1)) || (((a23 <= 138 && a4 == 0) && a29 <= 140) && a8 == 15)) || ((a23 <= 138 && a8 == 15) && a4 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.5s, OverallIterations: 16, TraceHistogramMax: 4, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2704 SDtfs, 2842 SDslu, 359 SDs, 0 SdLazy, 9479 SolverSat, 1621 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14053occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 16 MinimizatonAttempts, 10363 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 169 NumberOfFragments, 315 HoareAnnotationTreeSize, 3 FomulaSimplifications, 7426 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3476 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 3478 NumberOfCodeBlocks, 3478 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3462 ConstructedInterpolants, 0 QuantifiedInterpolants, 1664862 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 2167/2167 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...