./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label03.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_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label03.c -s /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/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 113ebdaa5b4d40ce51ce6474ca69e0b1371ad4a7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:21:42,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:21:42,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:21:42,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:21:42,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:21:42,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:21:42,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:21:42,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:21:42,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:21:42,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:21:42,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:21:42,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:21:42,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:21:42,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:21:42,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:21:42,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:21:42,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:21:42,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:21:42,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:21:42,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:21:42,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:21:42,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:21:42,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:21:42,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:21:42,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:21:42,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:21:42,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:21:42,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:21:42,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:21:42,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:21:42,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:21:42,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:21:42,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:21:42,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:21:42,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:21:42,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:21:42,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:21:42,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:21:42,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:21:42,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:21:42,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:21:42,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 01:21:42,726 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:21:42,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:21:42,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:21:42,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:21:42,729 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:21:42,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:21:42,730 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:21:42,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:21:42,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:21:42,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:21:42,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:21:42,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:21:42,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:21:42,731 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:21:42,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:21:42,732 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:21:42,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:21:42,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:21:42,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:21:42,733 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:21:42,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:21:42,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:21:42,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:21:42,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:21:42,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:21:42,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:21:42,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:21:42,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:21:42,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:21:42,736 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_453ca45e-6f16-4868-b9f3-c24f476303b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 113ebdaa5b4d40ce51ce6474ca69e0b1371ad4a7 [2020-11-30 01:21:43,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:21:43,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:21:43,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:21:43,084 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:21:43,086 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:21:43,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label03.c [2020-11-30 01:21:43,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/data/8faf5ea6a/9ea3db1fdc474ccdb0b739a8c099d7ed/FLAGeb744c82a [2020-11-30 01:21:43,904 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:21:43,905 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/sv-benchmarks/c/eca-rers2012/Problem11_label03.c [2020-11-30 01:21:43,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/data/8faf5ea6a/9ea3db1fdc474ccdb0b739a8c099d7ed/FLAGeb744c82a [2020-11-30 01:21:44,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/data/8faf5ea6a/9ea3db1fdc474ccdb0b739a8c099d7ed [2020-11-30 01:21:44,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:21:44,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:21:44,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:21:44,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:21:44,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:21:44,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:21:44" (1/1) ... [2020-11-30 01:21:44,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4583db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:44, skipping insertion in model container [2020-11-30 01:21:44,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:21:44" (1/1) ... [2020-11-30 01:21:44,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:21:44,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:21:45,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:21:45,066 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:21:45,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:21:45,344 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:21:45,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45 WrapperNode [2020-11-30 01:21:45,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:21:45,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:21:45,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:21:45,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:21:45,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (1/1) ... [2020-11-30 01:21:45,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (1/1) ... [2020-11-30 01:21:45,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:21:45,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:21:45,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:21:45,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:21:45,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (1/1) ... [2020-11-30 01:21:45,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (1/1) ... [2020-11-30 01:21:45,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (1/1) ... [2020-11-30 01:21:45,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (1/1) ... [2020-11-30 01:21:45,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (1/1) ... [2020-11-30 01:21:45,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (1/1) ... [2020-11-30 01:21:45,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (1/1) ... [2020-11-30 01:21:45,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:21:45,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:21:45,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:21:45,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:21:45,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/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 01:21:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:21:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:21:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:21:45,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:21:48,690 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:21:48,693 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 01:21:48,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:21:48 BoogieIcfgContainer [2020-11-30 01:21:48,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:21:48,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:21:48,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:21:48,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:21:48,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:21:44" (1/3) ... [2020-11-30 01:21:48,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfc7837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:21:48, skipping insertion in model container [2020-11-30 01:21:48,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:21:45" (2/3) ... [2020-11-30 01:21:48,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfc7837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:21:48, skipping insertion in model container [2020-11-30 01:21:48,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:21:48" (3/3) ... [2020-11-30 01:21:48,712 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label03.c [2020-11-30 01:21:48,730 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:21:48,736 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 01:21:48,752 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 01:21:48,793 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:21:48,793 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:21:48,793 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:21:48,793 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:21:48,794 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:21:48,794 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:21:48,794 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:21:48,794 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:21:48,833 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-30 01:21:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-30 01:21:48,844 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:48,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:21:48,845 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:48,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:48,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1722039382, now seen corresponding path program 1 times [2020-11-30 01:21:48,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:48,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590787926] [2020-11-30 01:21:48,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:49,207 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 01:21:49,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590787926] [2020-11-30 01:21:49,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:49,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:49,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612589630] [2020-11-30 01:21:49,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:49,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:49,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:49,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:49,241 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-30 01:21:51,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:51,449 INFO L93 Difference]: Finished difference Result 762 states and 1346 transitions. [2020-11-30 01:21:51,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:51,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2020-11-30 01:21:51,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:51,470 INFO L225 Difference]: With dead ends: 762 [2020-11-30 01:21:51,470 INFO L226 Difference]: Without dead ends: 413 [2020-11-30 01:21:51,476 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 01:21:51,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2020-11-30 01:21:51,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2020-11-30 01:21:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-11-30 01:21:51,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2020-11-30 01:21:51,588 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 30 [2020-11-30 01:21:51,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:51,589 INFO L481 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2020-11-30 01:21:51,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:51,589 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2020-11-30 01:21:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-30 01:21:51,594 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:51,594 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:51,595 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:21:51,595 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:51,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:51,596 INFO L82 PathProgramCache]: Analyzing trace with hash 975403074, now seen corresponding path program 1 times [2020-11-30 01:21:51,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:51,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479594219] [2020-11-30 01:21:51,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:51,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479594219] [2020-11-30 01:21:51,923 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:51,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:51,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787551279] [2020-11-30 01:21:51,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:51,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:51,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:51,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:51,933 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand 3 states. [2020-11-30 01:21:53,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:53,396 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2020-11-30 01:21:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:53,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-11-30 01:21:53,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:53,404 INFO L225 Difference]: With dead ends: 1211 [2020-11-30 01:21:53,404 INFO L226 Difference]: Without dead ends: 800 [2020-11-30 01:21:53,408 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 01:21:53,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-30 01:21:53,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2020-11-30 01:21:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-30 01:21:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-30 01:21:53,473 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 98 [2020-11-30 01:21:53,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:53,474 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-30 01:21:53,474 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:53,474 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-30 01:21:53,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-11-30 01:21:53,477 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:53,478 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:53,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:21:53,478 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:53,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:53,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1544652067, now seen corresponding path program 1 times [2020-11-30 01:21:53,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:53,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889290825] [2020-11-30 01:21:53,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:53,756 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:53,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889290825] [2020-11-30 01:21:53,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:53,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:21:53,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660558475] [2020-11-30 01:21:53,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:53,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:53,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:53,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:53,770 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-30 01:21:55,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:55,299 INFO L93 Difference]: Finished difference Result 2316 states and 3182 transitions. [2020-11-30 01:21:55,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:55,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-11-30 01:21:55,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:55,311 INFO L225 Difference]: With dead ends: 2316 [2020-11-30 01:21:55,311 INFO L226 Difference]: Without dead ends: 1529 [2020-11-30 01:21:55,313 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 01:21:55,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2020-11-30 01:21:55,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1526. [2020-11-30 01:21:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-30 01:21:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1857 transitions. [2020-11-30 01:21:55,374 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1857 transitions. Word has length 100 [2020-11-30 01:21:55,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:55,375 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1857 transitions. [2020-11-30 01:21:55,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1857 transitions. [2020-11-30 01:21:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 01:21:55,380 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:55,380 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:21:55,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 01:21:55,381 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:55,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:55,382 INFO L82 PathProgramCache]: Analyzing trace with hash -609646303, now seen corresponding path program 1 times [2020-11-30 01:21:55,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:55,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484331395] [2020-11-30 01:21:55,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:21:55,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484331395] [2020-11-30 01:21:55,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:55,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:21:55,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187521779] [2020-11-30 01:21:55,522 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:55,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:55,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:55,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:55,524 INFO L87 Difference]: Start difference. First operand 1526 states and 1857 transitions. Second operand 3 states. [2020-11-30 01:21:56,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:56,907 INFO L93 Difference]: Finished difference Result 3257 states and 4125 transitions. [2020-11-30 01:21:56,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:56,908 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-11-30 01:21:56,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:56,925 INFO L225 Difference]: With dead ends: 3257 [2020-11-30 01:21:56,926 INFO L226 Difference]: Without dead ends: 1917 [2020-11-30 01:21:56,929 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 01:21:56,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2020-11-30 01:21:56,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1914. [2020-11-30 01:21:56,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1914 states. [2020-11-30 01:21:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2385 transitions. [2020-11-30 01:21:56,988 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2385 transitions. Word has length 157 [2020-11-30 01:21:56,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:56,991 INFO L481 AbstractCegarLoop]: Abstraction has 1914 states and 2385 transitions. [2020-11-30 01:21:56,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2385 transitions. [2020-11-30 01:21:57,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-11-30 01:21:57,004 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:57,005 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 01:21:57,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 01:21:57,005 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:57,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:57,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1698881465, now seen corresponding path program 1 times [2020-11-30 01:21:57,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:57,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026318182] [2020-11-30 01:21:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-30 01:21:57,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026318182] [2020-11-30 01:21:57,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:21:57,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:21:57,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647562142] [2020-11-30 01:21:57,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:57,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:57,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:57,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:21:57,277 INFO L87 Difference]: Start difference. First operand 1914 states and 2385 transitions. Second operand 3 states. [2020-11-30 01:21:58,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:21:58,822 INFO L93 Difference]: Finished difference Result 4389 states and 5592 transitions. [2020-11-30 01:21:58,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:21:58,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-11-30 01:21:58,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:21:58,855 INFO L225 Difference]: With dead ends: 4389 [2020-11-30 01:21:58,855 INFO L226 Difference]: Without dead ends: 2661 [2020-11-30 01:21:58,858 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 01:21:58,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-11-30 01:21:58,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2467. [2020-11-30 01:21:58,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2020-11-30 01:21:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3046 transitions. [2020-11-30 01:21:58,929 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3046 transitions. Word has length 212 [2020-11-30 01:21:58,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:21:58,930 INFO L481 AbstractCegarLoop]: Abstraction has 2467 states and 3046 transitions. [2020-11-30 01:21:58,930 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:21:58,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3046 transitions. [2020-11-30 01:21:58,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-11-30 01:21:58,934 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:21:58,935 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:21:58,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 01:21:58,935 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:21:58,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:21:58,936 INFO L82 PathProgramCache]: Analyzing trace with hash 815372938, now seen corresponding path program 1 times [2020-11-30 01:21:58,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:21:58,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018123622] [2020-11-30 01:21:58,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:21:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 25 proven. 30 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-30 01:21:59,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018123622] [2020-11-30 01:21:59,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257592226] [2020-11-30 01:21:59,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:21:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:21:59,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:21:59,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:21:59,973 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-30 01:21:59,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:21:59,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 01:21:59,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941295991] [2020-11-30 01:21:59,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:21:59,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:21:59,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:21:59,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:21:59,978 INFO L87 Difference]: Start difference. First operand 2467 states and 3046 transitions. Second operand 3 states. [2020-11-30 01:22:01,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:22:01,760 INFO L93 Difference]: Finished difference Result 6409 states and 8063 transitions. [2020-11-30 01:22:01,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:22:01,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2020-11-30 01:22:01,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:22:01,796 INFO L225 Difference]: With dead ends: 6409 [2020-11-30 01:22:01,796 INFO L226 Difference]: Without dead ends: 3944 [2020-11-30 01:22:01,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:22:01,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2020-11-30 01:22:01,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3941. [2020-11-30 01:22:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3941 states. [2020-11-30 01:22:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 3941 states and 4855 transitions. [2020-11-30 01:22:01,916 INFO L78 Accepts]: Start accepts. Automaton has 3941 states and 4855 transitions. Word has length 218 [2020-11-30 01:22:01,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:22:01,917 INFO L481 AbstractCegarLoop]: Abstraction has 3941 states and 4855 transitions. [2020-11-30 01:22:01,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:22:01,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3941 states and 4855 transitions. [2020-11-30 01:22:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-11-30 01:22:01,925 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:22:01,925 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:22:02,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-30 01:22:02,145 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:22:02,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:02,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1824197378, now seen corresponding path program 1 times [2020-11-30 01:22:02,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:02,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494993697] [2020-11-30 01:22:02,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:22:02,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494993697] [2020-11-30 01:22:02,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:22:02,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:22:02,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526443187] [2020-11-30 01:22:02,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:22:02,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:22:02,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:22:02,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:22:02,572 INFO L87 Difference]: Start difference. First operand 3941 states and 4855 transitions. Second operand 4 states. [2020-11-30 01:22:05,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:22:05,657 INFO L93 Difference]: Finished difference Result 12154 states and 15362 transitions. [2020-11-30 01:22:05,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:22:05,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 257 [2020-11-30 01:22:05,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:22:05,719 INFO L225 Difference]: With dead ends: 12154 [2020-11-30 01:22:05,719 INFO L226 Difference]: Without dead ends: 8399 [2020-11-30 01:22:05,726 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 01:22:05,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8399 states. [2020-11-30 01:22:05,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8399 to 8395. [2020-11-30 01:22:05,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8395 states. [2020-11-30 01:22:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8395 states to 8395 states and 10448 transitions. [2020-11-30 01:22:05,983 INFO L78 Accepts]: Start accepts. Automaton has 8395 states and 10448 transitions. Word has length 257 [2020-11-30 01:22:05,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:22:05,983 INFO L481 AbstractCegarLoop]: Abstraction has 8395 states and 10448 transitions. [2020-11-30 01:22:05,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:22:05,984 INFO L276 IsEmpty]: Start isEmpty. Operand 8395 states and 10448 transitions. [2020-11-30 01:22:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-11-30 01:22:05,992 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:22:05,993 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 01:22:05,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 01:22:05,993 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:22:05,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:05,994 INFO L82 PathProgramCache]: Analyzing trace with hash 964848590, now seen corresponding path program 1 times [2020-11-30 01:22:05,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:05,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478165115] [2020-11-30 01:22:05,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-11-30 01:22:06,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478165115] [2020-11-30 01:22:06,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:22:06,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:22:06,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994987072] [2020-11-30 01:22:06,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:22:06,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:22:06,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:22:06,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:22:06,295 INFO L87 Difference]: Start difference. First operand 8395 states and 10448 transitions. Second operand 3 states. [2020-11-30 01:22:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:22:07,665 INFO L93 Difference]: Finished difference Result 17334 states and 21902 transitions. [2020-11-30 01:22:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:22:07,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2020-11-30 01:22:07,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:22:07,730 INFO L225 Difference]: With dead ends: 17334 [2020-11-30 01:22:07,730 INFO L226 Difference]: Without dead ends: 10235 [2020-11-30 01:22:07,741 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 01:22:07,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10235 states. [2020-11-30 01:22:07,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10235 to 10235. [2020-11-30 01:22:07,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10235 states. [2020-11-30 01:22:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10235 states to 10235 states and 12491 transitions. [2020-11-30 01:22:08,006 INFO L78 Accepts]: Start accepts. Automaton has 10235 states and 12491 transitions. Word has length 266 [2020-11-30 01:22:08,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:22:08,007 INFO L481 AbstractCegarLoop]: Abstraction has 10235 states and 12491 transitions. [2020-11-30 01:22:08,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:22:08,007 INFO L276 IsEmpty]: Start isEmpty. Operand 10235 states and 12491 transitions. [2020-11-30 01:22:08,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-30 01:22:08,016 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:22:08,017 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:22:08,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 01:22:08,017 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:22:08,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:08,018 INFO L82 PathProgramCache]: Analyzing trace with hash -161774081, now seen corresponding path program 1 times [2020-11-30 01:22:08,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:08,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997355701] [2020-11-30 01:22:08,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-11-30 01:22:08,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997355701] [2020-11-30 01:22:08,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116779307] [2020-11-30 01:22:08,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:22:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:08,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:22:08,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:22:08,632 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:22:08,657 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:22:08,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 01:22:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-11-30 01:22:08,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-30 01:22:08,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-11-30 01:22:08,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894197027] [2020-11-30 01:22:08,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-30 01:22:08,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:22:08,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 01:22:08,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-30 01:22:08,964 INFO L87 Difference]: Start difference. First operand 10235 states and 12491 transitions. Second operand 4 states. [2020-11-30 01:22:11,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:22:11,511 INFO L93 Difference]: Finished difference Result 21019 states and 25838 transitions. [2020-11-30 01:22:11,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 01:22:11,525 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 268 [2020-11-30 01:22:11,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:22:11,564 INFO L225 Difference]: With dead ends: 21019 [2020-11-30 01:22:11,566 INFO L226 Difference]: Without dead ends: 12080 [2020-11-30 01:22:11,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 267 SyntacticMatches, 1 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 01:22:11,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12080 states. [2020-11-30 01:22:11,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12080 to 10419. [2020-11-30 01:22:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10419 states. [2020-11-30 01:22:11,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10419 states to 10419 states and 12699 transitions. [2020-11-30 01:22:11,836 INFO L78 Accepts]: Start accepts. Automaton has 10419 states and 12699 transitions. Word has length 268 [2020-11-30 01:22:11,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:22:11,837 INFO L481 AbstractCegarLoop]: Abstraction has 10419 states and 12699 transitions. [2020-11-30 01:22:11,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-30 01:22:11,837 INFO L276 IsEmpty]: Start isEmpty. Operand 10419 states and 12699 transitions. [2020-11-30 01:22:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-11-30 01:22:11,848 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:22:11,849 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:22:12,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:22:12,064 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:22:12,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:12,065 INFO L82 PathProgramCache]: Analyzing trace with hash 992092915, now seen corresponding path program 1 times [2020-11-30 01:22:12,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:12,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619000926] [2020-11-30 01:22:12,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 108 proven. 122 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-30 01:22:12,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619000926] [2020-11-30 01:22:12,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478108255] [2020-11-30 01:22:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:22:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:12,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-30 01:22:12,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:22:12,890 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-11-30 01:22:12,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-30 01:22:12,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-11-30 01:22:12,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756122054] [2020-11-30 01:22:12,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:22:12,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:22:12,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:22:12,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:22:12,894 INFO L87 Difference]: Start difference. First operand 10419 states and 12699 transitions. Second operand 3 states. [2020-11-30 01:22:14,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:22:14,450 INFO L93 Difference]: Finished difference Result 26539 states and 32647 transitions. [2020-11-30 01:22:14,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:22:14,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2020-11-30 01:22:14,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:22:14,490 INFO L225 Difference]: With dead ends: 26539 [2020-11-30 01:22:14,490 INFO L226 Difference]: Without dead ends: 16860 [2020-11-30 01:22:14,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-30 01:22:14,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16860 states. [2020-11-30 01:22:14,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16860 to 16860. [2020-11-30 01:22:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16860 states. [2020-11-30 01:22:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16860 states to 16860 states and 20167 transitions. [2020-11-30 01:22:14,818 INFO L78 Accepts]: Start accepts. Automaton has 16860 states and 20167 transitions. Word has length 292 [2020-11-30 01:22:14,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:22:14,819 INFO L481 AbstractCegarLoop]: Abstraction has 16860 states and 20167 transitions. [2020-11-30 01:22:14,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:22:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 16860 states and 20167 transitions. [2020-11-30 01:22:14,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-11-30 01:22:14,834 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:22:14,834 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:22:15,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-30 01:22:15,048 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:22:15,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:15,049 INFO L82 PathProgramCache]: Analyzing trace with hash 2047708811, now seen corresponding path program 1 times [2020-11-30 01:22:15,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:15,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853814641] [2020-11-30 01:22:15,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:15,521 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-30 01:22:15,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853814641] [2020-11-30 01:22:15,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:22:15,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:22:15,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293669625] [2020-11-30 01:22:15,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:22:15,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:22:15,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:22:15,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:22:15,524 INFO L87 Difference]: Start difference. First operand 16860 states and 20167 transitions. Second operand 3 states. [2020-11-30 01:22:16,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:22:16,926 INFO L93 Difference]: Finished difference Result 30919 states and 36927 transitions. [2020-11-30 01:22:16,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:22:16,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2020-11-30 01:22:16,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:22:16,977 INFO L225 Difference]: With dead ends: 30919 [2020-11-30 01:22:16,977 INFO L226 Difference]: Without dead ends: 14982 [2020-11-30 01:22:16,994 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 01:22:17,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14982 states. [2020-11-30 01:22:17,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14982 to 14610. [2020-11-30 01:22:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14610 states. [2020-11-30 01:22:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14610 states to 14610 states and 16882 transitions. [2020-11-30 01:22:17,245 INFO L78 Accepts]: Start accepts. Automaton has 14610 states and 16882 transitions. Word has length 311 [2020-11-30 01:22:17,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:22:17,246 INFO L481 AbstractCegarLoop]: Abstraction has 14610 states and 16882 transitions. [2020-11-30 01:22:17,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:22:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 14610 states and 16882 transitions. [2020-11-30 01:22:17,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-11-30 01:22:17,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:22:17,265 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 01:22:17,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 01:22:17,266 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 01:22:17,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:22:17,266 INFO L82 PathProgramCache]: Analyzing trace with hash 48910046, now seen corresponding path program 1 times [2020-11-30 01:22:17,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:22:17,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595923687] [2020-11-30 01:22:17,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:22:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:22:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-11-30 01:22:17,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595923687] [2020-11-30 01:22:17,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:22:17,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 01:22:17,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411942411] [2020-11-30 01:22:17,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:22:17,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 01:22:17,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:22:17,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:22:17,547 INFO L87 Difference]: Start difference. First operand 14610 states and 16882 transitions. Second operand 3 states. [2020-11-30 01:22:19,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:22:19,236 INFO L93 Difference]: Finished difference Result 30146 states and 34948 transitions. [2020-11-30 01:22:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:22:19,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2020-11-30 01:22:19,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:22:19,238 INFO L225 Difference]: With dead ends: 30146 [2020-11-30 01:22:19,238 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 01:22:19,252 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 01:22:19,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 01:22:19,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 01:22:19,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 01:22:19,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 01:22:19,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 314 [2020-11-30 01:22:19,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:22:19,253 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 01:22:19,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:22:19,253 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 01:22:19,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 01:22:19,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 01:22:19,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 01:22:19,670 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-11-30 01:22:19,920 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-11-30 01:22:19,927 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-30 01:22:19,927 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,927 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-30 01:22:19,927 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,927 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,927 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,927 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,928 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,928 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,928 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-30 01:22:19,928 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-30 01:22:19,928 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-30 01:22:19,928 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,928 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,928 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,928 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,928 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,929 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,929 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,929 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,929 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,929 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,929 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-30 01:22:19,929 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-30 01:22:19,929 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-30 01:22:19,929 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,929 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-30 01:22:19,930 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-30 01:22:19,930 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,930 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,930 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,930 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,930 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,930 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,930 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-30 01:22:19,930 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-30 01:22:19,931 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-30 01:22:19,931 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,931 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,931 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,931 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse1 (= ~a25~0 12)) (.cse2 (<= 165 ~a23~0)) (.cse5 (= ~a25~0 11)) (.cse3 (< 140 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse7 (<= ~a25~0 10)) (.cse0 (= ~a4~0 0)) (.cse6 (<= ~a29~0 245))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse0 (<= ~a23~0 312)) (and .cse2 (<= ~a29~0 130) .cse4) (and .cse1 .cse4) (and .cse2 .cse5 .cse4) (and .cse3 .cse6 .cse4) (and .cse7 .cse4) (and (<= 306 ~a23~0) .cse4) (and .cse5 .cse3 .cse4) (and .cse7 .cse0 .cse6))) [2020-11-30 01:22:19,931 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,932 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-30 01:22:19,932 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-30 01:22:19,932 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,932 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,932 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,932 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,932 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,932 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,932 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-30 01:22:19,932 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-30 01:22:19,933 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-30 01:22:19,933 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-30 01:22:19,933 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,933 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,933 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,933 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,933 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,933 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,933 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,933 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-30 01:22:19,934 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-30 01:22:19,934 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-30 01:22:19,934 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,934 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,934 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,934 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,934 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,934 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,934 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,934 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,935 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,935 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-30 01:22:19,935 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-30 01:22:19,935 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-30 01:22:19,935 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,935 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse1 (= ~a25~0 12)) (.cse2 (<= 165 ~a23~0)) (.cse5 (= ~a25~0 11)) (.cse3 (< 140 ~a29~0)) (.cse4 (= ~a4~0 1)) (.cse7 (<= ~a25~0 10)) (.cse0 (= ~a4~0 0)) (.cse6 (<= ~a29~0 245))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse0 (<= ~a23~0 312)) (and .cse2 (<= ~a29~0 130) .cse4) (and .cse1 .cse4) (and .cse2 .cse5 .cse4) (and .cse3 .cse6 .cse4) (and .cse7 .cse4) (and (<= 306 ~a23~0) .cse4) (and .cse5 .cse3 .cse4) (and .cse7 .cse0 .cse6))) [2020-11-30 01:22:19,935 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,935 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,936 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,936 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,936 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,936 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,936 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,936 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,936 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-30 01:22:19,936 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-30 01:22:19,936 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 01:22:19,936 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,937 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,938 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,939 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,939 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-30 01:22:19,939 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-30 01:22:19,939 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-30 01:22:19,939 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,939 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,939 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,939 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,939 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-30 01:22:19,939 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-30 01:22:19,940 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,940 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,940 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,942 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,943 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,943 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,943 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-30 01:22:19,943 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-30 01:22:19,943 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,943 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,944 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-30 01:22:19,944 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-30 01:22:19,944 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-30 01:22:19,944 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 01:22:19,944 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-30 01:22:19,944 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,945 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,945 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,945 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,945 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,945 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,945 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,946 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-30 01:22:19,946 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-30 01:22:19,946 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-30 01:22:19,946 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-30 01:22:19,946 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-30 01:22:19,946 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-30 01:22:19,946 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-30 01:22:19,947 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,947 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,947 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-30 01:22:19,947 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-30 01:22:19,947 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,947 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,947 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,948 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,948 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,948 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-30 01:22:19,948 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-30 01:22:19,948 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-30 01:22:19,948 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,949 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,949 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,949 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,949 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,949 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,949 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-30 01:22:19,949 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-30 01:22:19,950 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-30 01:22:19,950 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,950 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,950 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,950 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,950 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,950 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,951 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,951 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,951 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-30 01:22:19,951 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-30 01:22:19,951 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-30 01:22:19,951 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,951 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,952 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,952 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,952 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,952 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,952 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,952 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-30 01:22:19,952 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,953 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,953 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,953 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,953 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-30 01:22:19,953 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-30 01:22:19,953 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-30 01:22:19,954 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-30 01:22:19,954 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-30 01:22:19,954 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,954 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,954 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,954 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,954 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,955 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,955 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,955 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-30 01:22:19,955 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-30 01:22:19,955 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-30 01:22:19,955 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,955 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,956 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,956 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-30 01:22:19,956 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-30 01:22:19,956 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,956 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,956 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,956 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,957 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,957 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-30 01:22:19,957 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-30 01:22:19,957 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,957 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,957 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-30 01:22:19,957 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-30 01:22:19,958 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,958 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 01:22:19,958 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,958 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,958 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,958 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,958 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,959 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-30 01:22:19,959 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-30 01:22:19,959 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-30 01:22:19,959 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-30 01:22:19,959 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,959 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,959 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,960 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,960 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,960 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,960 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,961 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,961 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-30 01:22:19,962 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-30 01:22:19,962 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-30 01:22:19,962 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-30 01:22:19,962 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-30 01:22:19,962 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-30 01:22:19,963 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,963 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,964 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,964 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,966 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,966 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,966 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,966 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-30 01:22:19,966 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-30 01:22:19,967 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 01:22:19,967 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,967 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,967 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,967 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,967 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,968 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,968 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-30 01:22:19,968 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-30 01:22:19,968 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,968 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,968 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,968 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,969 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,969 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,969 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,969 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-30 01:22:19,969 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-30 01:22:19,969 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,969 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-30 01:22:19,970 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-30 01:22:19,970 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-30 01:22:19,970 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-30 01:22:19,970 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-30 01:22:20,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 01:22:20 BoogieIcfgContainer [2020-11-30 01:22:20,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 01:22:20,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:22:20,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:22:20,013 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:22:20,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:21:48" (3/4) ... [2020-11-30 01:22:20,017 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 01:22:20,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 01:22:20,065 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-30 01:22:20,068 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:22:20,070 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 01:22:20,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_453ca45e-6f16-4868-b9f3-c24f476303b8/bin/uautomizer/witness.graphml [2020-11-30 01:22:20,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:22:20,308 INFO L168 Benchmark]: Toolchain (without parser) took 36237.36 ms. Allocated memory was 90.2 MB in the beginning and 557.8 MB in the end (delta: 467.7 MB). Free memory was 53.0 MB in the beginning and 184.9 MB in the end (delta: -131.8 MB). Peak memory consumption was 335.3 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:20,309 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:22:20,311 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1270.92 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.9 MB in the beginning and 78.8 MB in the end (delta: -25.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:20,311 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.56 ms. Allocated memory is still 109.1 MB. Free memory was 78.8 MB in the beginning and 62.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:20,312 INFO L168 Benchmark]: Boogie Preprocessor took 135.42 ms. Allocated memory is still 109.1 MB. Free memory was 62.1 MB in the beginning and 51.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:20,312 INFO L168 Benchmark]: RCFGBuilder took 3014.77 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 51.6 MB in the beginning and 89.6 MB in the end (delta: -38.0 MB). Peak memory consumption was 55.9 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:20,313 INFO L168 Benchmark]: TraceAbstraction took 31311.97 ms. Allocated memory was 151.0 MB in the beginning and 557.8 MB in the end (delta: 406.8 MB). Free memory was 88.5 MB in the beginning and 211.1 MB in the end (delta: -122.5 MB). Peak memory consumption was 285.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:20,313 INFO L168 Benchmark]: Witness Printer took 294.93 ms. Allocated memory is still 557.8 MB. Free memory was 211.1 MB in the beginning and 184.9 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:22:20,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 90.2 MB. Free memory was 63.8 MB in the beginning and 63.7 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1270.92 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.9 MB in the beginning and 78.8 MB in the end (delta: -25.9 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 198.56 ms. Allocated memory is still 109.1 MB. Free memory was 78.8 MB in the beginning and 62.1 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 135.42 ms. Allocated memory is still 109.1 MB. Free memory was 62.1 MB in the beginning and 51.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3014.77 ms. Allocated memory was 109.1 MB in the beginning and 151.0 MB in the end (delta: 41.9 MB). Free memory was 51.6 MB in the beginning and 89.6 MB in the end (delta: -38.0 MB). Peak memory consumption was 55.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31311.97 ms. Allocated memory was 151.0 MB in the beginning and 557.8 MB in the end (delta: 406.8 MB). Free memory was 88.5 MB in the beginning and 211.1 MB in the end (delta: -122.5 MB). Peak memory consumption was 285.4 MB. Max. memory is 16.1 GB. * Witness Printer took 294.93 ms. Allocated memory is still 557.8 MB. Free memory was 211.1 MB in the beginning and 184.9 MB in the end (delta: 26.2 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: ((((((((((a4 == 0 && a25 == 12) || ((165 <= a23 && 140 < a29) && a4 == 1)) || (a4 == 0 && a23 <= 312)) || ((165 <= a23 && a29 <= 130) && a4 == 1)) || (a25 == 12 && a4 == 1)) || ((165 <= a23 && a25 == 11) && a4 == 1)) || ((140 < a29 && a29 <= 245) && a4 == 1)) || (a25 <= 10 && a4 == 1)) || (306 <= a23 && a4 == 1)) || ((a25 == 11 && 140 < a29) && a4 == 1)) || ((a25 <= 10 && a4 == 0) && a29 <= 245) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((a4 == 0 && a25 == 12) || ((165 <= a23 && 140 < a29) && a4 == 1)) || (a4 == 0 && a23 <= 312)) || ((165 <= a23 && a29 <= 130) && a4 == 1)) || (a25 == 12 && a4 == 1)) || ((165 <= a23 && a25 == 11) && a4 == 1)) || ((140 < a29 && a29 <= 245) && a4 == 1)) || (a25 <= 10 && a4 == 1)) || (306 <= a23 && a4 == 1)) || ((a25 == 11 && 140 < a29) && a4 == 1)) || ((a25 <= 10 && a4 == 0) && a29 <= 245) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.4s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 22.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2228 SDtfs, 2336 SDslu, 334 SDs, 0 SdLazy, 7469 SolverSat, 1528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 810 GetRequests, 789 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16860occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 2251 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 183 NumberOfFragments, 193 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2728 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3301 NumberOfCodeBlocks, 3301 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3286 ConstructedInterpolants, 0 QuantifiedInterpolants, 2566690 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1176 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 1955/2217 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...