./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label19.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/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 fb2e3e398833ac0456ed91fe24d981ec71617a12 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:56:39,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:39,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:39,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:39,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:39,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:39,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:39,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:39,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:39,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:39,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:39,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:39,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:39,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:39,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:39,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:39,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:39,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:39,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:39,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:39,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:39,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:39,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:39,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:39,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:39,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:39,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:39,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:39,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:39,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:39,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:39,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:39,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:39,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:39,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:39,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:39,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:39,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:39,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:39,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:39,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:39,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:39,765 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:39,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:39,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:39,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:39,767 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:39,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:39,767 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:39,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:39,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:39,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:39,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:39,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:39,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:39,769 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:39,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:39,769 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:39,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:39,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:39,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:39,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:39,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:39,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:39,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:39,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:39,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:39,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:39,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:39,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:39,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:39,772 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_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb2e3e398833ac0456ed91fe24d981ec71617a12 [2020-11-28 02:56:40,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:40,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:40,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:40,064 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:40,064 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:40,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label19.c [2020-11-28 02:56:40,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/data/3e83acf55/e3c9fda100724c71b99b4e0d29be17cb/FLAGa57cf2a49 [2020-11-28 02:56:40,775 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:40,776 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/sv-benchmarks/c/eca-rers2012/Problem02_label19.c [2020-11-28 02:56:40,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/data/3e83acf55/e3c9fda100724c71b99b4e0d29be17cb/FLAGa57cf2a49 [2020-11-28 02:56:41,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/data/3e83acf55/e3c9fda100724c71b99b4e0d29be17cb [2020-11-28 02:56:41,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:41,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:41,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:41,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:41,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:41,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8994ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41, skipping insertion in model container [2020-11-28 02:56:41,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:41,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:41,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:41,532 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:41,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:41,656 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:41,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41 WrapperNode [2020-11-28 02:56:41,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:41,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:41,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:41,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:41,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:41,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:41,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:41,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:41,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... [2020-11-28 02:56:41,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:41,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:41,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:41,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:41,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/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 [2020-11-28 02:56:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:41,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:41,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:41,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:43,374 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:43,375 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 02:56:43,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:43 BoogieIcfgContainer [2020-11-28 02:56:43,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:43,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:43,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:43,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:43,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:41" (1/3) ... [2020-11-28 02:56:43,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e41e1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:43, skipping insertion in model container [2020-11-28 02:56:43,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:41" (2/3) ... [2020-11-28 02:56:43,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e41e1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:43, skipping insertion in model container [2020-11-28 02:56:43,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:43" (3/3) ... [2020-11-28 02:56:43,387 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label19.c [2020-11-28 02:56:43,401 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:43,405 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 02:56:43,417 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 02:56:43,446 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:43,446 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:43,446 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:43,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:43,446 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:43,447 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:43,447 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:43,447 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:43,471 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states. [2020-11-28 02:56:43,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-28 02:56:43,479 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:43,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:43,480 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:43,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:43,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1607169461, now seen corresponding path program 1 times [2020-11-28 02:56:43,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:43,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627390660] [2020-11-28 02:56:43,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:43,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627390660] [2020-11-28 02:56:43,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:43,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:43,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745227210] [2020-11-28 02:56:43,957 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:43,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:43,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:43,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:43,973 INFO L87 Difference]: Start difference. First operand 228 states. Second operand 3 states. [2020-11-28 02:56:45,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:45,218 INFO L93 Difference]: Finished difference Result 640 states and 1083 transitions. [2020-11-28 02:56:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:45,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-11-28 02:56:45,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:45,252 INFO L225 Difference]: With dead ends: 640 [2020-11-28 02:56:45,252 INFO L226 Difference]: Without dead ends: 318 [2020-11-28 02:56:45,272 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 [2020-11-28 02:56:45,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-11-28 02:56:45,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 313. [2020-11-28 02:56:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-11-28 02:56:45,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 459 transitions. [2020-11-28 02:56:45,388 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 459 transitions. Word has length 92 [2020-11-28 02:56:45,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:45,393 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 459 transitions. [2020-11-28 02:56:45,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 459 transitions. [2020-11-28 02:56:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-11-28 02:56:45,403 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:45,403 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 02:56:45,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:45,404 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:45,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:45,405 INFO L82 PathProgramCache]: Analyzing trace with hash -426801118, now seen corresponding path program 1 times [2020-11-28 02:56:45,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:45,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013400398] [2020-11-28 02:56:45,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:45,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:45,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013400398] [2020-11-28 02:56:45,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:45,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:45,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7440883] [2020-11-28 02:56:45,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:45,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:45,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:45,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:45,545 INFO L87 Difference]: Start difference. First operand 313 states and 459 transitions. Second operand 3 states. [2020-11-28 02:56:46,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:46,350 INFO L93 Difference]: Finished difference Result 910 states and 1341 transitions. [2020-11-28 02:56:46,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:46,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-11-28 02:56:46,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:46,356 INFO L225 Difference]: With dead ends: 910 [2020-11-28 02:56:46,356 INFO L226 Difference]: Without dead ends: 599 [2020-11-28 02:56:46,359 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 [2020-11-28 02:56:46,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2020-11-28 02:56:46,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2020-11-28 02:56:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-11-28 02:56:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 772 transitions. [2020-11-28 02:56:46,407 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 772 transitions. Word has length 96 [2020-11-28 02:56:46,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:46,407 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 772 transitions. [2020-11-28 02:56:46,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 772 transitions. [2020-11-28 02:56:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-28 02:56:46,424 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:46,424 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:46,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:46,425 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:46,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:46,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1728293969, now seen corresponding path program 1 times [2020-11-28 02:56:46,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:46,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236202661] [2020-11-28 02:56:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:46,554 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:46,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236202661] [2020-11-28 02:56:46,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407304171] [2020-11-28 02:56:46,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/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 [2020-11-28 02:56:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:46,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:46,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:46,793 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 02:56:46,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:46,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-28 02:56:46,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729429223] [2020-11-28 02:56:46,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:46,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:46,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:46,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:46,798 INFO L87 Difference]: Start difference. First operand 596 states and 772 transitions. Second operand 3 states. [2020-11-28 02:56:47,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:47,616 INFO L93 Difference]: Finished difference Result 1611 states and 2114 transitions. [2020-11-28 02:56:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:47,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-11-28 02:56:47,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:47,628 INFO L225 Difference]: With dead ends: 1611 [2020-11-28 02:56:47,628 INFO L226 Difference]: Without dead ends: 1017 [2020-11-28 02:56:47,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:47,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-11-28 02:56:47,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 737. [2020-11-28 02:56:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2020-11-28 02:56:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 987 transitions. [2020-11-28 02:56:47,685 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 987 transitions. Word has length 101 [2020-11-28 02:56:47,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:47,686 INFO L481 AbstractCegarLoop]: Abstraction has 737 states and 987 transitions. [2020-11-28 02:56:47,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:47,691 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 987 transitions. [2020-11-28 02:56:47,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-28 02:56:47,693 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:47,693 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 02:56:47,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-28 02:56:47,901 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:47,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:47,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1183438733, now seen corresponding path program 1 times [2020-11-28 02:56:47,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:47,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965203570] [2020-11-28 02:56:47,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:47,986 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:47,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965203570] [2020-11-28 02:56:47,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:47,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:47,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169247061] [2020-11-28 02:56:47,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:47,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:47,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:47,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:47,990 INFO L87 Difference]: Start difference. First operand 737 states and 987 transitions. Second operand 3 states. [2020-11-28 02:56:48,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:48,397 INFO L93 Difference]: Finished difference Result 1458 states and 1954 transitions. [2020-11-28 02:56:48,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:48,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-11-28 02:56:48,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:48,401 INFO L225 Difference]: With dead ends: 1458 [2020-11-28 02:56:48,401 INFO L226 Difference]: Without dead ends: 723 [2020-11-28 02:56:48,402 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 [2020-11-28 02:56:48,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2020-11-28 02:56:48,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2020-11-28 02:56:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-11-28 02:56:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 914 transitions. [2020-11-28 02:56:48,423 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 914 transitions. Word has length 103 [2020-11-28 02:56:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:48,424 INFO L481 AbstractCegarLoop]: Abstraction has 723 states and 914 transitions. [2020-11-28 02:56:48,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:48,424 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 914 transitions. [2020-11-28 02:56:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-28 02:56:48,427 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:48,427 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:48,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:56:48,428 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:48,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:48,428 INFO L82 PathProgramCache]: Analyzing trace with hash -950125327, now seen corresponding path program 1 times [2020-11-28 02:56:48,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:48,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918644659] [2020-11-28 02:56:48,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 02:56:48,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918644659] [2020-11-28 02:56:48,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:48,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:48,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888752973] [2020-11-28 02:56:48,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:48,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:48,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:48,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:48,534 INFO L87 Difference]: Start difference. First operand 723 states and 914 transitions. Second operand 3 states. [2020-11-28 02:56:49,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:49,257 INFO L93 Difference]: Finished difference Result 1585 states and 2062 transitions. [2020-11-28 02:56:49,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:49,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-28 02:56:49,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:49,263 INFO L225 Difference]: With dead ends: 1585 [2020-11-28 02:56:49,263 INFO L226 Difference]: Without dead ends: 1004 [2020-11-28 02:56:49,265 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 [2020-11-28 02:56:49,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2020-11-28 02:56:49,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1004. [2020-11-28 02:56:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2020-11-28 02:56:49,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1245 transitions. [2020-11-28 02:56:49,302 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1245 transitions. Word has length 123 [2020-11-28 02:56:49,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:49,303 INFO L481 AbstractCegarLoop]: Abstraction has 1004 states and 1245 transitions. [2020-11-28 02:56:49,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1245 transitions. [2020-11-28 02:56:49,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-11-28 02:56:49,306 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:49,306 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:49,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:56:49,307 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:49,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:49,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1025159777, now seen corresponding path program 1 times [2020-11-28 02:56:49,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:49,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765277444] [2020-11-28 02:56:49,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:49,419 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-11-28 02:56:49,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765277444] [2020-11-28 02:56:49,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610899941] [2020-11-28 02:56:49,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/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 [2020-11-28 02:56:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:49,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 02:56:49,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:49,606 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-28 02:56:49,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:49,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-28 02:56:49,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634109367] [2020-11-28 02:56:49,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:49,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:49,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:49,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:49,609 INFO L87 Difference]: Start difference. First operand 1004 states and 1245 transitions. Second operand 3 states. [2020-11-28 02:56:50,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:50,262 INFO L93 Difference]: Finished difference Result 1864 states and 2342 transitions. [2020-11-28 02:56:50,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:50,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-11-28 02:56:50,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:50,264 INFO L225 Difference]: With dead ends: 1864 [2020-11-28 02:56:50,264 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:56:50,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:50,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:56:50,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:56:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:56:50,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:56:50,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 145 [2020-11-28 02:56:50,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:50,267 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:56:50,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:56:50,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:56:50,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 02:56:50,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:56:50,603 INFO L274 CegarLoopResult]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L301(lines 301 423) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L235(lines 235 423) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L169(lines 169 423) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L303(lines 303 423) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L105(lines 105 423) no Hoare annotation was computed. [2020-11-28 02:56:50,604 INFO L274 CegarLoopResult]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L40(lines 40 423) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L371(lines 371 423) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,605 INFO L274 CegarLoopResult]: For program point L307(lines 307 423) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L175(lines 175 423) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L109(lines 109 423) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L308(lines 308 317) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L242(lines 242 423) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L45(lines 45 423) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,606 INFO L274 CegarLoopResult]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L244(lines 244 423) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L179(lines 179 423) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L378(lines 378 423) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L48(lines 48 423) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L247(lines 247 423) no Hoare annotation was computed. [2020-11-28 02:56:50,607 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L116(lines 116 423) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L52(lines 52 423) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-11-28 02:56:50,608 INFO L274 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L185(lines 185 423) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L385(lines 385 423) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L319(lines 319 423) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L189(lines 189 423) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L123(lines 123 423) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L57(lines 57 423) no Hoare annotation was computed. [2020-11-28 02:56:50,609 INFO L274 CegarLoopResult]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L388(lines 388 423) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L390(lines 390 423) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L324(lines 324 423) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L258(lines 258 423) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L60(lines 60 423) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,610 INFO L274 CegarLoopResult]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L391(lines 391 397) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L325(lines 325 336) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L195(lines 195 423) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L129(lines 129 423) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L64(lines 64 423) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-11-28 02:56:50,611 INFO L274 CegarLoopResult]: For program point L263(lines 263 423) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L197(lines 197 423) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L199(lines 199 423) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L133(lines 133 423) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L399(lines 399 423) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L201(lines 201 423) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L69(lines 69 423) no Hoare annotation was computed. [2020-11-28 02:56:50,612 INFO L274 CegarLoopResult]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L269(lines 269 423) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L204(lines 204 423) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,613 INFO L274 CegarLoopResult]: For program point L271(lines 271 423) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L404(lines 404 423) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L338(lines 338 423) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L272(lines 272 284) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L140(lines 140 423) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L75(lines 75 423) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,614 INFO L274 CegarLoopResult]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L274 CegarLoopResult]: For program point L208(lines 208 423) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L274 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L274 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L274 CegarLoopResult]: For program point L341(lines 341 423) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L274 CegarLoopResult]: For program point L408(lines 408 423) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L274 CegarLoopResult]: For program point L342(lines 342 345) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L274 CegarLoopResult]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L274 CegarLoopResult]: For program point L144(lines 144 423) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 02:56:50,615 INFO L270 CegarLoopResult]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and .cse0 (= ~a25~0 0) .cse1) (and (<= ~a19~0 0) .cse1) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L79(lines 79 423) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L212(lines 212 423) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L213(lines 213 220) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L277 CegarLoopResult]: At program point L610(lines 610 627) the Hoare annotation is: true [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L412(lines 412 423) no Hoare annotation was computed. [2020-11-28 02:56:50,616 INFO L274 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L347(lines 347 423) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L149(lines 149 423) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L414(lines 414 423) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L348(lines 348 357) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L84(lines 84 423) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L85(lines 85 90) no Hoare annotation was computed. [2020-11-28 02:56:50,617 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2020-11-28 02:56:50,618 INFO L274 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-11-28 02:56:50,618 INFO L274 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-11-28 02:56:50,618 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:56:50,618 INFO L274 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2020-11-28 02:56:50,618 INFO L274 CegarLoopResult]: For program point L153(lines 153 423) no Hoare annotation was computed. [2020-11-28 02:56:50,618 INFO L270 CegarLoopResult]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse1 (<= ~a17~0 8))) (or (and (= ~a25~0 ~a11~0) .cse0 (<= ~a28~0 7) .cse1) (and .cse0 (= ~a25~0 0) .cse1) (and (<= ~a19~0 0) .cse1) (and .cse0 (<= 8 ~a17~0) .cse1))) [2020-11-28 02:56:50,618 INFO L274 CegarLoopResult]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,618 INFO L274 CegarLoopResult]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,618 INFO L274 CegarLoopResult]: For program point L286(lines 286 423) no Hoare annotation was computed. [2020-11-28 02:56:50,618 INFO L274 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L222(lines 222 423) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L290(lines 290 423) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L158(lines 158 423) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L92(lines 92 423) no Hoare annotation was computed. [2020-11-28 02:56:50,619 INFO L274 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point L225(lines 225 423) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point L424(lines 424 426) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-11-28 02:56:50,620 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L359(lines 359 423) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L293(lines 293 423) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L228(lines 228 423) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L296(lines 296 423) no Hoare annotation was computed. [2020-11-28 02:56:50,621 INFO L274 CegarLoopResult]: For program point L164(lines 164 423) no Hoare annotation was computed. [2020-11-28 02:56:50,622 INFO L274 CegarLoopResult]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,622 INFO L274 CegarLoopResult]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,622 INFO L274 CegarLoopResult]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2020-11-28 02:56:50,622 INFO L274 CegarLoopResult]: For program point L364(lines 364 423) no Hoare annotation was computed. [2020-11-28 02:56:50,622 INFO L274 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-11-28 02:56:50,622 INFO L274 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-11-28 02:56:50,622 INFO L274 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-11-28 02:56:50,622 INFO L274 CegarLoopResult]: For program point L233(lines 233 423) no Hoare annotation was computed. [2020-11-28 02:56:50,622 INFO L274 CegarLoopResult]: For program point L101(lines 101 423) no Hoare annotation was computed. [2020-11-28 02:56:50,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:50 BoogieIcfgContainer [2020-11-28 02:56:50,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:56:50,652 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:50,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:50,653 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:50,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:43" (3/4) ... [2020-11-28 02:56:50,656 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:56:50,691 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 02:56:50,692 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 02:56:50,694 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:50,695 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:50,849 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7eef7473-cc10-4715-bc7a-f71e3e0c73c1/bin/uautomizer/witness.graphml [2020-11-28 02:56:50,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:50,851 INFO L168 Benchmark]: Toolchain (without parser) took 9839.70 ms. Allocated memory was 102.8 MB in the beginning and 195.0 MB in the end (delta: 92.3 MB). Free memory was 72.5 MB in the beginning and 129.7 MB in the end (delta: -57.2 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:50,852 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 102.8 MB. Free memory was 60.5 MB in the beginning and 60.5 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:50,852 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.99 ms. Allocated memory is still 102.8 MB. Free memory was 72.1 MB in the beginning and 63.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:50,852 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.15 ms. Allocated memory is still 102.8 MB. Free memory was 63.7 MB in the beginning and 58.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:50,853 INFO L168 Benchmark]: Boogie Preprocessor took 64.76 ms. Allocated memory is still 102.8 MB. Free memory was 58.2 MB in the beginning and 54.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:50,853 INFO L168 Benchmark]: RCFGBuilder took 1560.12 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 53.6 MB in the beginning and 64.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:50,854 INFO L168 Benchmark]: TraceAbstraction took 7273.42 ms. Allocated memory was 123.7 MB in the beginning and 195.0 MB in the end (delta: 71.3 MB). Free memory was 63.9 MB in the beginning and 145.4 MB in the end (delta: -81.5 MB). Peak memory consumption was 83.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:50,854 INFO L168 Benchmark]: Witness Printer took 197.35 ms. Allocated memory is still 195.0 MB. Free memory was 145.4 MB in the beginning and 129.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:50,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 102.8 MB. Free memory was 60.5 MB in the beginning and 60.5 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 644.99 ms. Allocated memory is still 102.8 MB. Free memory was 72.1 MB in the beginning and 63.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.15 ms. Allocated memory is still 102.8 MB. Free memory was 63.7 MB in the beginning and 58.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 64.76 ms. Allocated memory is still 102.8 MB. Free memory was 58.2 MB in the beginning and 54.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1560.12 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 53.6 MB in the beginning and 64.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7273.42 ms. Allocated memory was 123.7 MB in the beginning and 195.0 MB in the end (delta: 71.3 MB). Free memory was 63.9 MB in the beginning and 145.4 MB in the end (delta: -81.5 MB). Peak memory consumption was 83.1 MB. Max. memory is 16.1 GB. * Witness Printer took 197.35 ms. Allocated memory is still 195.0 MB. Free memory was 145.4 MB in the beginning and 129.7 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || ((a19 == 1 && a25 == 0) && a17 <= 8)) || (a19 <= 0 && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((a25 == a11 && a19 == 1) && a28 <= 7) && a17 <= 8) || ((a19 == 1 && a25 == 0) && a17 <= 8)) || (a19 <= 0 && a17 <= 8)) || ((a19 == 1 && 8 <= a17) && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.0s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 513 SDtfs, 807 SDslu, 78 SDs, 0 SdLazy, 2073 SolverSat, 375 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 258 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1004occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 288 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 19 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 134 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 906 NumberOfCodeBlocks, 906 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 898 ConstructedInterpolants, 0 QuantifiedInterpolants, 195014 SizeOfPredicates, 2 NumberOfNonLiveVariables, 576 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 241/247 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...