./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/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 1fca60a421a39fa5f3f8d3bde13bd29dacb18de8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:48:55,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:48:55,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:48:55,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:48:55,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:48:55,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:48:55,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:48:55,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:48:55,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:48:55,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:48:55,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:48:55,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:48:55,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:48:55,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:48:55,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:48:55,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:48:55,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:48:55,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:48:55,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:48:55,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:48:55,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:48:55,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:48:55,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:48:55,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:48:55,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:48:55,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:48:55,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:48:55,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:48:55,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:48:55,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:48:55,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:48:55,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:48:55,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:48:55,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:48:55,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:48:55,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:48:55,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:48:55,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:48:55,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:48:55,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:48:55,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:48:55,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:48:55,894 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:48:55,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:48:55,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:48:55,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:48:55,898 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:48:55,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:48:55,899 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:48:55,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:48:55,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:48:55,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:48:55,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:48:55,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:48:55,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:48:55,901 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:48:55,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:48:55,902 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:48:55,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:48:55,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:48:55,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:48:55,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:48:55,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:48:55,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:48:55,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:48:55,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:48:55,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:48:55,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:48:55,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:48:55,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:48:55,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:48:55,917 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_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fca60a421a39fa5f3f8d3bde13bd29dacb18de8 [2020-12-01 15:48:56,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:48:56,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:48:56,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:48:56,353 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:48:56,355 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:48:56,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label08.c [2020-12-01 15:48:56,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/data/c8335e2e4/df29ba9742a640a5927a9fa2a05140e8/FLAGf9964b230 [2020-12-01 15:48:57,267 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:48:57,269 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/sv-benchmarks/c/eca-rers2012/Problem01_label08.c [2020-12-01 15:48:57,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/data/c8335e2e4/df29ba9742a640a5927a9fa2a05140e8/FLAGf9964b230 [2020-12-01 15:48:57,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/data/c8335e2e4/df29ba9742a640a5927a9fa2a05140e8 [2020-12-01 15:48:57,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:48:57,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:48:57,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:48:57,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:48:57,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:48:57,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:48:57" (1/1) ... [2020-12-01 15:48:57,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6347feef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:57, skipping insertion in model container [2020-12-01 15:48:57,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:48:57" (1/1) ... [2020-12-01 15:48:57,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:48:57,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:48:57,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:48:57,961 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:48:58,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:48:58,095 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:48:58,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58 WrapperNode [2020-12-01 15:48:58,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:48:58,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:48:58,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:48:58,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:48:58,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (1/1) ... [2020-12-01 15:48:58,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (1/1) ... [2020-12-01 15:48:58,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:48:58,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:48:58,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:48:58,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:48:58,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (1/1) ... [2020-12-01 15:48:58,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (1/1) ... [2020-12-01 15:48:58,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (1/1) ... [2020-12-01 15:48:58,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (1/1) ... [2020-12-01 15:48:58,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (1/1) ... [2020-12-01 15:48:58,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (1/1) ... [2020-12-01 15:48:58,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (1/1) ... [2020-12-01 15:48:58,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:48:58,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:48:58,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:48:58,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:48:58,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/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 [2020-12-01 15:48:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:48:58,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:48:58,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:48:58,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:48:59,927 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:48:59,928 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:48:59,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:48:59 BoogieIcfgContainer [2020-12-01 15:48:59,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:48:59,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:48:59,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:48:59,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:48:59,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:48:57" (1/3) ... [2020-12-01 15:48:59,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548715fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:48:59, skipping insertion in model container [2020-12-01 15:48:59,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:48:58" (2/3) ... [2020-12-01 15:48:59,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548715fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:48:59, skipping insertion in model container [2020-12-01 15:48:59,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:48:59" (3/3) ... [2020-12-01 15:48:59,940 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label08.c [2020-12-01 15:48:59,954 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:48:59,957 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:48:59,968 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:48:59,993 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:48:59,993 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:48:59,993 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:48:59,993 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:48:59,993 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:48:59,994 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:48:59,994 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:48:59,994 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:49:00,015 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-12-01 15:49:00,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-01 15:49:00,027 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:49:00,028 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:00,028 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:49:00,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:00,034 INFO L82 PathProgramCache]: Analyzing trace with hash -439667690, now seen corresponding path program 1 times [2020-12-01 15:49:00,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:00,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50486095] [2020-12-01 15:49:00,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:00,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:49:00,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50486095] [2020-12-01 15:49:00,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:49:00,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:49:00,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137031133] [2020-12-01 15:49:00,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:49:00,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:00,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:00,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:00,571 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 3 states. [2020-12-01 15:49:01,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:01,855 INFO L93 Difference]: Finished difference Result 529 states and 916 transitions. [2020-12-01 15:49:01,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:49:01,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-01 15:49:01,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:49:01,891 INFO L225 Difference]: With dead ends: 529 [2020-12-01 15:49:01,897 INFO L226 Difference]: Without dead ends: 266 [2020-12-01 15:49:01,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:01,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-01 15:49:01,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-12-01 15:49:01,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-01 15:49:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 374 transitions. [2020-12-01 15:49:01,971 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 374 transitions. Word has length 113 [2020-12-01 15:49:01,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:49:01,972 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 374 transitions. [2020-12-01 15:49:01,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:49:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2020-12-01 15:49:01,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 15:49:01,977 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:49:01,978 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:01,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:49:01,979 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:49:01,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:01,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1612712092, now seen corresponding path program 1 times [2020-12-01 15:49:01,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:01,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260815456] [2020-12-01 15:49:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 15:49:02,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260815456] [2020-12-01 15:49:02,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:49:02,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:49:02,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929910629] [2020-12-01 15:49:02,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:49:02,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:02,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:02,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:02,146 INFO L87 Difference]: Start difference. First operand 266 states and 374 transitions. Second operand 3 states. [2020-12-01 15:49:02,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:02,977 INFO L93 Difference]: Finished difference Result 792 states and 1117 transitions. [2020-12-01 15:49:02,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:49:02,978 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-01 15:49:02,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:49:02,982 INFO L225 Difference]: With dead ends: 792 [2020-12-01 15:49:02,982 INFO L226 Difference]: Without dead ends: 528 [2020-12-01 15:49:02,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:02,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-12-01 15:49:03,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2020-12-01 15:49:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2020-12-01 15:49:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 708 transitions. [2020-12-01 15:49:03,018 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 708 transitions. Word has length 117 [2020-12-01 15:49:03,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:49:03,019 INFO L481 AbstractCegarLoop]: Abstraction has 528 states and 708 transitions. [2020-12-01 15:49:03,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:49:03,019 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 708 transitions. [2020-12-01 15:49:03,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-12-01 15:49:03,025 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:49:03,025 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:03,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:49:03,025 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:49:03,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:03,026 INFO L82 PathProgramCache]: Analyzing trace with hash 2043386792, now seen corresponding path program 1 times [2020-12-01 15:49:03,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:03,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673606439] [2020-12-01 15:49:03,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:03,183 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:49:03,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673606439] [2020-12-01 15:49:03,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:49:03,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:49:03,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322075498] [2020-12-01 15:49:03,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:49:03,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:03,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:49:03,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:49:03,187 INFO L87 Difference]: Start difference. First operand 528 states and 708 transitions. Second operand 4 states. [2020-12-01 15:49:04,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:04,403 INFO L93 Difference]: Finished difference Result 1316 states and 1742 transitions. [2020-12-01 15:49:04,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:49:04,404 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2020-12-01 15:49:04,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:49:04,409 INFO L225 Difference]: With dead ends: 1316 [2020-12-01 15:49:04,409 INFO L226 Difference]: Without dead ends: 790 [2020-12-01 15:49:04,411 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 [2020-12-01 15:49:04,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2020-12-01 15:49:04,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2020-12-01 15:49:04,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-12-01 15:49:04,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1000 transitions. [2020-12-01 15:49:04,462 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1000 transitions. Word has length 147 [2020-12-01 15:49:04,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:49:04,463 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1000 transitions. [2020-12-01 15:49:04,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:49:04,463 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1000 transitions. [2020-12-01 15:49:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 15:49:04,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:49:04,479 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:04,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:49:04,480 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:49:04,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:04,481 INFO L82 PathProgramCache]: Analyzing trace with hash 298892318, now seen corresponding path program 1 times [2020-12-01 15:49:04,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:04,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899143682] [2020-12-01 15:49:04,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:04,571 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 15:49:04,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899143682] [2020-12-01 15:49:04,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:49:04,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:49:04,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902649049] [2020-12-01 15:49:04,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:49:04,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:04,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:04,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:04,574 INFO L87 Difference]: Start difference. First operand 790 states and 1000 transitions. Second operand 3 states. [2020-12-01 15:49:05,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:05,331 INFO L93 Difference]: Finished difference Result 1840 states and 2320 transitions. [2020-12-01 15:49:05,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:49:05,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 151 [2020-12-01 15:49:05,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:49:05,338 INFO L225 Difference]: With dead ends: 1840 [2020-12-01 15:49:05,339 INFO L226 Difference]: Without dead ends: 1052 [2020-12-01 15:49:05,340 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:05,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2020-12-01 15:49:05,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 790. [2020-12-01 15:49:05,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-12-01 15:49:05,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 988 transitions. [2020-12-01 15:49:05,369 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 988 transitions. Word has length 151 [2020-12-01 15:49:05,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:49:05,370 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 988 transitions. [2020-12-01 15:49:05,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:49:05,370 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 988 transitions. [2020-12-01 15:49:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 15:49:05,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:49:05,375 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-12-01 15:49:05,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:49:05,375 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:49:05,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:05,376 INFO L82 PathProgramCache]: Analyzing trace with hash 812121124, now seen corresponding path program 1 times [2020-12-01 15:49:05,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:05,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121917678] [2020-12-01 15:49:05,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:05,508 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 15:49:05,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121917678] [2020-12-01 15:49:05,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:49:05,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:49:05,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921061486] [2020-12-01 15:49:05,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:49:05,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:49:05,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:49:05,512 INFO L87 Difference]: Start difference. First operand 790 states and 988 transitions. Second operand 4 states. [2020-12-01 15:49:06,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:06,727 INFO L93 Difference]: Finished difference Result 2495 states and 3096 transitions. [2020-12-01 15:49:06,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:49:06,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2020-12-01 15:49:06,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:49:06,735 INFO L225 Difference]: With dead ends: 2495 [2020-12-01 15:49:06,736 INFO L226 Difference]: Without dead ends: 1445 [2020-12-01 15:49:06,737 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 [2020-12-01 15:49:06,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-12-01 15:49:06,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2020-12-01 15:49:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2020-12-01 15:49:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1658 transitions. [2020-12-01 15:49:06,792 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1658 transitions. Word has length 155 [2020-12-01 15:49:06,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:49:06,792 INFO L481 AbstractCegarLoop]: Abstraction has 1445 states and 1658 transitions. [2020-12-01 15:49:06,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:49:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1658 transitions. [2020-12-01 15:49:06,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 15:49:06,797 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:49:06,797 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:06,797 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:49:06,798 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:49:06,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:06,798 INFO L82 PathProgramCache]: Analyzing trace with hash 915576166, now seen corresponding path program 1 times [2020-12-01 15:49:06,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:06,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296508615] [2020-12-01 15:49:06,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-01 15:49:06,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296508615] [2020-12-01 15:49:06,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:49:06,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:49:06,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780684516] [2020-12-01 15:49:06,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:49:06,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:06,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:06,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:06,943 INFO L87 Difference]: Start difference. First operand 1445 states and 1658 transitions. Second operand 3 states. [2020-12-01 15:49:07,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:07,673 INFO L93 Difference]: Finished difference Result 3412 states and 3892 transitions. [2020-12-01 15:49:07,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:49:07,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 176 [2020-12-01 15:49:07,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:49:07,684 INFO L225 Difference]: With dead ends: 3412 [2020-12-01 15:49:07,685 INFO L226 Difference]: Without dead ends: 1969 [2020-12-01 15:49:07,687 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 [2020-12-01 15:49:07,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2020-12-01 15:49:07,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2020-12-01 15:49:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-12-01 15:49:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1955 transitions. [2020-12-01 15:49:07,733 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1955 transitions. Word has length 176 [2020-12-01 15:49:07,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:49:07,739 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 1955 transitions. [2020-12-01 15:49:07,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:49:07,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1955 transitions. [2020-12-01 15:49:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 15:49:07,745 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:49:07,746 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-12-01 15:49:07,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-01 15:49:07,747 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:49:07,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:07,749 INFO L82 PathProgramCache]: Analyzing trace with hash 519386014, now seen corresponding path program 1 times [2020-12-01 15:49:07,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:07,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852182313] [2020-12-01 15:49:07,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-01 15:49:07,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852182313] [2020-12-01 15:49:07,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:49:07,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:49:07,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712036142] [2020-12-01 15:49:07,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:49:07,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:07,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:07,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:07,912 INFO L87 Difference]: Start difference. First operand 1707 states and 1955 transitions. Second operand 3 states. [2020-12-01 15:49:08,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:08,578 INFO L93 Difference]: Finished difference Result 3412 states and 3908 transitions. [2020-12-01 15:49:08,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:49:08,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2020-12-01 15:49:08,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:49:08,587 INFO L225 Difference]: With dead ends: 3412 [2020-12-01 15:49:08,588 INFO L226 Difference]: Without dead ends: 1707 [2020-12-01 15:49:08,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:08,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2020-12-01 15:49:08,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2020-12-01 15:49:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2020-12-01 15:49:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1941 transitions. [2020-12-01 15:49:08,666 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1941 transitions. Word has length 192 [2020-12-01 15:49:08,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:49:08,666 INFO L481 AbstractCegarLoop]: Abstraction has 1707 states and 1941 transitions. [2020-12-01 15:49:08,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:49:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1941 transitions. [2020-12-01 15:49:08,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 15:49:08,673 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:49:08,673 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 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, 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] [2020-12-01 15:49:08,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:49:08,674 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:49:08,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:08,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1880804776, now seen corresponding path program 1 times [2020-12-01 15:49:08,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:08,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782704932] [2020-12-01 15:49:08,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-01 15:49:08,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782704932] [2020-12-01 15:49:08,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413502422] [2020-12-01 15:49:08,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/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 [2020-12-01 15:49:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:09,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:49:09,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:49:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-12-01 15:49:09,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:49:09,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:49:09,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114475262] [2020-12-01 15:49:09,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:49:09,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:09,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:09,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:49:09,547 INFO L87 Difference]: Start difference. First operand 1707 states and 1941 transitions. Second operand 3 states. [2020-12-01 15:49:10,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:10,266 INFO L93 Difference]: Finished difference Result 4329 states and 4926 transitions. [2020-12-01 15:49:10,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:49:10,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2020-12-01 15:49:10,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:49:10,281 INFO L225 Difference]: With dead ends: 4329 [2020-12-01 15:49:10,281 INFO L226 Difference]: Without dead ends: 2624 [2020-12-01 15:49:10,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:49:10,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2020-12-01 15:49:10,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2493. [2020-12-01 15:49:10,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-12-01 15:49:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2812 transitions. [2020-12-01 15:49:10,346 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2812 transitions. Word has length 196 [2020-12-01 15:49:10,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:49:10,348 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2812 transitions. [2020-12-01 15:49:10,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:49:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2812 transitions. [2020-12-01 15:49:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-01 15:49:10,355 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:49:10,356 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:10,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2020-12-01 15:49:10,581 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:49:10,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:10,582 INFO L82 PathProgramCache]: Analyzing trace with hash 958064960, now seen corresponding path program 1 times [2020-12-01 15:49:10,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:10,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109489998] [2020-12-01 15:49:10,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 15:49:10,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109489998] [2020-12-01 15:49:10,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787590343] [2020-12-01 15:49:10,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/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 [2020-12-01 15:49:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:10,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:49:10,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:49:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 15:49:11,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:49:11,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:49:11,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015846130] [2020-12-01 15:49:11,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:49:11,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:11,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:11,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:49:11,303 INFO L87 Difference]: Start difference. First operand 2493 states and 2812 transitions. Second operand 3 states. [2020-12-01 15:49:11,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:11,997 INFO L93 Difference]: Finished difference Result 5508 states and 6220 transitions. [2020-12-01 15:49:11,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:49:11,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-12-01 15:49:11,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:49:12,016 INFO L225 Difference]: With dead ends: 5508 [2020-12-01 15:49:12,016 INFO L226 Difference]: Without dead ends: 3017 [2020-12-01 15:49:12,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:49:12,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2020-12-01 15:49:12,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2493. [2020-12-01 15:49:12,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2020-12-01 15:49:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2812 transitions. [2020-12-01 15:49:12,106 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2812 transitions. Word has length 215 [2020-12-01 15:49:12,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:49:12,107 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2812 transitions. [2020-12-01 15:49:12,107 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:49:12,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2812 transitions. [2020-12-01 15:49:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-12-01 15:49:12,115 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:49:12,116 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:49:12,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:49:12,329 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:49:12,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:12,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1521528970, now seen corresponding path program 1 times [2020-12-01 15:49:12,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:12,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767865178] [2020-12-01 15:49:12,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:12,507 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-12-01 15:49:12,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767865178] [2020-12-01 15:49:12,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149534565] [2020-12-01 15:49:12,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/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 [2020-12-01 15:49:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:12,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:49:12,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:49:12,983 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 15:49:12,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:49:12,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:49:12,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100775781] [2020-12-01 15:49:12,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:49:12,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:12,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:12,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:49:12,985 INFO L87 Difference]: Start difference. First operand 2493 states and 2812 transitions. Second operand 3 states. [2020-12-01 15:49:13,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:13,579 INFO L93 Difference]: Finished difference Result 4327 states and 4871 transitions. [2020-12-01 15:49:13,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:49:13,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2020-12-01 15:49:13,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:49:13,580 INFO L225 Difference]: With dead ends: 4327 [2020-12-01 15:49:13,580 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:49:13,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:49:13,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:49:13,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:49:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:49:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:49:13,590 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2020-12-01 15:49:13,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:49:13,590 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:49:13,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:49:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:49:13,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:49:13,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-01 15:49:13,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:49:14,040 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-01 15:49:14,215 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-12-01 15:49:14,217 INFO L262 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-12-01 15:49:14,217 INFO L262 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L102(lines 102 400) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L334(lines 334 400) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L401(lines 401 403) no Hoare annotation was computed. [2020-12-01 15:49:14,218 INFO L262 CegarLoopResult]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,219 INFO L262 CegarLoopResult]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,219 INFO L262 CegarLoopResult]: For program point L302(lines 302 400) no Hoare annotation was computed. [2020-12-01 15:49:14,219 INFO L262 CegarLoopResult]: For program point L170(lines 170 400) no Hoare annotation was computed. [2020-12-01 15:49:14,219 INFO L262 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-12-01 15:49:14,219 INFO L262 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-12-01 15:49:14,219 INFO L262 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-12-01 15:49:14,219 INFO L262 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-12-01 15:49:14,220 INFO L262 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-12-01 15:49:14,220 INFO L262 CegarLoopResult]: For program point L402(line 402) no Hoare annotation was computed. [2020-12-01 15:49:14,220 INFO L262 CegarLoopResult]: For program point L204(lines 204 400) no Hoare annotation was computed. [2020-12-01 15:49:14,220 INFO L262 CegarLoopResult]: For program point L72(lines 72 400) no Hoare annotation was computed. [2020-12-01 15:49:14,220 INFO L262 CegarLoopResult]: For program point L271(lines 271 400) no Hoare annotation was computed. [2020-12-01 15:49:14,220 INFO L262 CegarLoopResult]: For program point L139(lines 139 400) no Hoare annotation was computed. [2020-12-01 15:49:14,220 INFO L262 CegarLoopResult]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,220 INFO L262 CegarLoopResult]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,220 INFO L262 CegarLoopResult]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,221 INFO L262 CegarLoopResult]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,221 INFO L262 CegarLoopResult]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,221 INFO L262 CegarLoopResult]: For program point L371(lines 371 400) no Hoare annotation was computed. [2020-12-01 15:49:14,221 INFO L262 CegarLoopResult]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,221 INFO L262 CegarLoopResult]: For program point L107(lines 107 400) no Hoare annotation was computed. [2020-12-01 15:49:14,221 INFO L262 CegarLoopResult]: For program point L41(lines 41 400) no Hoare annotation was computed. [2020-12-01 15:49:14,221 INFO L262 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-12-01 15:49:14,221 INFO L262 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-12-01 15:49:14,222 INFO L262 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-12-01 15:49:14,222 INFO L262 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-12-01 15:49:14,222 INFO L262 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-12-01 15:49:14,222 INFO L262 CegarLoopResult]: For program point L405(line 405) no Hoare annotation was computed. [2020-12-01 15:49:14,222 INFO L262 CegarLoopResult]: For program point L339(lines 339 400) no Hoare annotation was computed. [2020-12-01 15:49:14,223 INFO L262 CegarLoopResult]: For program point L207(lines 207 400) no Hoare annotation was computed. [2020-12-01 15:49:14,224 INFO L262 CegarLoopResult]: For program point L75(lines 75 400) no Hoare annotation was computed. [2020-12-01 15:49:14,224 INFO L262 CegarLoopResult]: For program point L373(lines 373 400) no Hoare annotation was computed. [2020-12-01 15:49:14,224 INFO L262 CegarLoopResult]: For program point L241(lines 241 400) no Hoare annotation was computed. [2020-12-01 15:49:14,224 INFO L262 CegarLoopResult]: For program point L175(lines 175 400) no Hoare annotation was computed. [2020-12-01 15:49:14,224 INFO L262 CegarLoopResult]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,224 INFO L262 CegarLoopResult]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,224 INFO L262 CegarLoopResult]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,225 INFO L262 CegarLoopResult]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,225 INFO L262 CegarLoopResult]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,225 INFO L262 CegarLoopResult]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,225 INFO L262 CegarLoopResult]: For program point L275(lines 275 400) no Hoare annotation was computed. [2020-12-01 15:49:14,225 INFO L262 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-12-01 15:49:14,225 INFO L262 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-12-01 15:49:14,225 INFO L262 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-12-01 15:49:14,226 INFO L262 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-12-01 15:49:14,226 INFO L262 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-12-01 15:49:14,226 INFO L262 CegarLoopResult]: For program point L408(line 408) no Hoare annotation was computed. [2020-12-01 15:49:14,226 INFO L262 CegarLoopResult]: For program point L375(lines 375 400) no Hoare annotation was computed. [2020-12-01 15:49:14,226 INFO L262 CegarLoopResult]: For program point L309(lines 309 400) no Hoare annotation was computed. [2020-12-01 15:49:14,226 INFO L262 CegarLoopResult]: For program point L45(lines 45 400) no Hoare annotation was computed. [2020-12-01 15:49:14,226 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 15:49:14,226 INFO L262 CegarLoopResult]: For program point L343(lines 343 400) no Hoare annotation was computed. [2020-12-01 15:49:14,227 INFO L262 CegarLoopResult]: For program point L112(lines 112 400) no Hoare annotation was computed. [2020-12-01 15:49:14,227 INFO L262 CegarLoopResult]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,227 INFO L262 CegarLoopResult]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,227 INFO L262 CegarLoopResult]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,227 INFO L262 CegarLoopResult]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,227 INFO L262 CegarLoopResult]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,227 INFO L262 CegarLoopResult]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,227 INFO L262 CegarLoopResult]: For program point L278(lines 278 400) no Hoare annotation was computed. [2020-12-01 15:49:14,228 INFO L262 CegarLoopResult]: For program point L146(lines 146 400) no Hoare annotation was computed. [2020-12-01 15:49:14,228 INFO L262 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-12-01 15:49:14,228 INFO L262 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-12-01 15:49:14,228 INFO L262 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-12-01 15:49:14,228 INFO L262 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-12-01 15:49:14,228 INFO L262 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-12-01 15:49:14,228 INFO L262 CegarLoopResult]: For program point L411(line 411) no Hoare annotation was computed. [2020-12-01 15:49:14,228 INFO L262 CegarLoopResult]: For program point L213(lines 213 400) no Hoare annotation was computed. [2020-12-01 15:49:14,229 INFO L262 CegarLoopResult]: For program point L82(lines 82 400) no Hoare annotation was computed. [2020-12-01 15:49:14,229 INFO L262 CegarLoopResult]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,229 INFO L262 CegarLoopResult]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,229 INFO L262 CegarLoopResult]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,229 INFO L262 CegarLoopResult]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,229 INFO L262 CegarLoopResult]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,229 INFO L262 CegarLoopResult]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,229 INFO L262 CegarLoopResult]: For program point L347(lines 347 400) no Hoare annotation was computed. [2020-12-01 15:49:14,230 INFO L262 CegarLoopResult]: For program point L248(lines 248 400) no Hoare annotation was computed. [2020-12-01 15:49:14,230 INFO L262 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-12-01 15:49:14,230 INFO L262 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-12-01 15:49:14,230 INFO L262 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-12-01 15:49:14,230 INFO L262 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-12-01 15:49:14,230 INFO L262 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-12-01 15:49:14,230 INFO L262 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-12-01 15:49:14,230 INFO L262 CegarLoopResult]: For program point L183(lines 183 400) no Hoare annotation was computed. [2020-12-01 15:49:14,231 INFO L262 CegarLoopResult]: For program point L150(lines 150 400) no Hoare annotation was computed. [2020-12-01 15:49:14,231 INFO L262 CegarLoopResult]: For program point L382(lines 382 400) no Hoare annotation was computed. [2020-12-01 15:49:14,231 INFO L262 CegarLoopResult]: For program point L316(lines 316 400) no Hoare annotation was computed. [2020-12-01 15:49:14,231 INFO L262 CegarLoopResult]: For program point L283(lines 283 400) no Hoare annotation was computed. [2020-12-01 15:49:14,231 INFO L262 CegarLoopResult]: For program point L118(lines 118 400) no Hoare annotation was computed. [2020-12-01 15:49:14,231 INFO L262 CegarLoopResult]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2020-12-01 15:49:14,231 INFO L262 CegarLoopResult]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,231 INFO L262 CegarLoopResult]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,232 INFO L262 CegarLoopResult]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,232 INFO L262 CegarLoopResult]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,232 INFO L262 CegarLoopResult]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,232 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:49:14,232 INFO L262 CegarLoopResult]: For program point L218(lines 218 400) no Hoare annotation was computed. [2020-12-01 15:49:14,232 INFO L262 CegarLoopResult]: For program point L53(lines 53 400) no Hoare annotation was computed. [2020-12-01 15:49:14,232 INFO L262 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-12-01 15:49:14,232 INFO L262 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-12-01 15:49:14,233 INFO L262 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-12-01 15:49:14,233 INFO L262 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-12-01 15:49:14,233 INFO L262 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-12-01 15:49:14,233 INFO L262 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-12-01 15:49:14,233 INFO L262 CegarLoopResult]: For program point L154(lines 154 400) no Hoare annotation was computed. [2020-12-01 15:49:14,233 INFO L258 CegarLoopResult]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse0 (<= 14 ~a8~0)) (.cse1 (= ~a21~0 1)) (.cse6 (= ~a17~0 1)) (.cse5 (<= ~a16~0 5)) (.cse2 (<= ~a7~0 0)) (.cse4 (= ~a7~0 1)) (.cse3 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5) (and .cse2 (<= 15 ~a8~0)) (and .cse1 .cse2 .cse3 .cse6) (and .cse1 (<= ~a16~0 4) .cse3 .cse6) (and .cse4 .cse5 .cse6) (and .cse5 .cse2) (and .cse4 .cse3))) [2020-12-01 15:49:14,234 INFO L262 CegarLoopResult]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,234 INFO L262 CegarLoopResult]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,234 INFO L262 CegarLoopResult]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,234 INFO L262 CegarLoopResult]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,234 INFO L262 CegarLoopResult]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,234 INFO L262 CegarLoopResult]: For program point L188(lines 188 400) no Hoare annotation was computed. [2020-12-01 15:49:14,234 INFO L262 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-12-01 15:49:14,235 INFO L262 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-12-01 15:49:14,235 INFO L262 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-12-01 15:49:14,235 INFO L262 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-12-01 15:49:14,235 INFO L262 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-12-01 15:49:14,235 INFO L262 CegarLoopResult]: For program point L387(lines 387 400) no Hoare annotation was computed. [2020-12-01 15:49:14,235 INFO L262 CegarLoopResult]: For program point L288(lines 288 400) no Hoare annotation was computed. [2020-12-01 15:49:14,235 INFO L262 CegarLoopResult]: For program point L255(lines 255 400) no Hoare annotation was computed. [2020-12-01 15:49:14,235 INFO L262 CegarLoopResult]: For program point L90(lines 90 400) no Hoare annotation was computed. [2020-12-01 15:49:14,235 INFO L262 CegarLoopResult]: For program point L355(lines 355 400) no Hoare annotation was computed. [2020-12-01 15:49:14,235 INFO L262 CegarLoopResult]: For program point L322(lines 322 400) no Hoare annotation was computed. [2020-12-01 15:49:14,236 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:49:14,236 INFO L262 CegarLoopResult]: For program point L124(lines 124 400) no Hoare annotation was computed. [2020-12-01 15:49:14,236 INFO L265 CegarLoopResult]: At program point L587(lines 587 604) the Hoare annotation is: true [2020-12-01 15:49:14,236 INFO L262 CegarLoopResult]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,236 INFO L262 CegarLoopResult]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,236 INFO L262 CegarLoopResult]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,236 INFO L262 CegarLoopResult]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,236 INFO L262 CegarLoopResult]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,237 INFO L262 CegarLoopResult]: For program point L224(lines 224 400) no Hoare annotation was computed. [2020-12-01 15:49:14,237 INFO L262 CegarLoopResult]: For program point L158(lines 158 400) no Hoare annotation was computed. [2020-12-01 15:49:14,237 INFO L262 CegarLoopResult]: For program point L59(lines 59 400) no Hoare annotation was computed. [2020-12-01 15:49:14,237 INFO L262 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-12-01 15:49:14,237 INFO L262 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-12-01 15:49:14,237 INFO L262 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-12-01 15:49:14,237 INFO L262 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-12-01 15:49:14,237 INFO L262 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-12-01 15:49:14,237 INFO L262 CegarLoopResult]: For program point L94(lines 94 400) no Hoare annotation was computed. [2020-12-01 15:49:14,238 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:49:14,238 INFO L262 CegarLoopResult]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,238 INFO L262 CegarLoopResult]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,238 INFO L262 CegarLoopResult]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,238 INFO L262 CegarLoopResult]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,238 INFO L262 CegarLoopResult]: For program point L392(lines 392 400) no Hoare annotation was computed. [2020-12-01 15:49:14,238 INFO L262 CegarLoopResult]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,238 INFO L262 CegarLoopResult]: For program point L326(lines 326 400) no Hoare annotation was computed. [2020-12-01 15:49:14,239 INFO L262 CegarLoopResult]: For program point L260(lines 260 400) no Hoare annotation was computed. [2020-12-01 15:49:14,239 INFO L262 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-12-01 15:49:14,239 INFO L262 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-12-01 15:49:14,239 INFO L262 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-12-01 15:49:14,239 INFO L262 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-12-01 15:49:14,239 INFO L262 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-12-01 15:49:14,239 INFO L262 CegarLoopResult]: For program point L228(lines 228 400) no Hoare annotation was computed. [2020-12-01 15:49:14,239 INFO L262 CegarLoopResult]: For program point L162(lines 162 400) no Hoare annotation was computed. [2020-12-01 15:49:14,240 INFO L262 CegarLoopResult]: For program point L129(lines 129 400) no Hoare annotation was computed. [2020-12-01 15:49:14,240 INFO L262 CegarLoopResult]: For program point L328(lines 328 400) no Hoare annotation was computed. [2020-12-01 15:49:14,240 INFO L262 CegarLoopResult]: For program point L196(lines 196 400) no Hoare annotation was computed. [2020-12-01 15:49:14,240 INFO L262 CegarLoopResult]: For program point L64(lines 64 400) no Hoare annotation was computed. [2020-12-01 15:49:14,240 INFO L262 CegarLoopResult]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,240 INFO L258 CegarLoopResult]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse0 (<= 14 ~a8~0)) (.cse1 (= ~a21~0 1)) (.cse6 (= ~a17~0 1)) (.cse5 (<= ~a16~0 5)) (.cse2 (<= ~a7~0 0)) (.cse4 (= ~a7~0 1)) (.cse3 (= ~a20~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse5) (and .cse2 (<= 15 ~a8~0)) (and .cse1 .cse2 .cse3 .cse6) (and .cse1 (<= ~a16~0 4) .cse3 .cse6) (and .cse4 .cse5 .cse6) (and .cse5 .cse2) (and .cse4 .cse3))) [2020-12-01 15:49:14,240 INFO L262 CegarLoopResult]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,241 INFO L262 CegarLoopResult]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,241 INFO L262 CegarLoopResult]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,241 INFO L262 CegarLoopResult]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,241 INFO L262 CegarLoopResult]: For program point L296(lines 296 400) no Hoare annotation was computed. [2020-12-01 15:49:14,241 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:49:14,241 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 15:49:14,241 INFO L262 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-12-01 15:49:14,241 INFO L262 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-12-01 15:49:14,242 INFO L262 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-12-01 15:49:14,242 INFO L262 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-12-01 15:49:14,242 INFO L262 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-12-01 15:49:14,242 INFO L262 CegarLoopResult]: For program point L363(lines 363 400) no Hoare annotation was computed. [2020-12-01 15:49:14,242 INFO L262 CegarLoopResult]: For program point L199(lines 199 400) no Hoare annotation was computed. [2020-12-01 15:49:14,242 INFO L262 CegarLoopResult]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,242 INFO L262 CegarLoopResult]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,242 INFO L262 CegarLoopResult]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,243 INFO L262 CegarLoopResult]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,243 INFO L262 CegarLoopResult]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2020-12-01 15:49:14,243 INFO L262 CegarLoopResult]: For program point L365(lines 365 400) no Hoare annotation was computed. [2020-12-01 15:49:14,243 INFO L262 CegarLoopResult]: For program point L266(lines 266 400) no Hoare annotation was computed. [2020-12-01 15:49:14,243 INFO L262 CegarLoopResult]: For program point L233(lines 233 400) no Hoare annotation was computed. [2020-12-01 15:49:14,243 INFO L262 CegarLoopResult]: For program point L134(lines 134 400) no Hoare annotation was computed. [2020-12-01 15:49:14,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:49:14 BoogieIcfgContainer [2020-12-01 15:49:14,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:49:14,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:49:14,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:49:14,264 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:49:14,265 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:48:59" (3/4) ... [2020-12-01 15:49:14,268 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:49:14,292 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 15:49:14,293 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:49:14,295 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:49:14,296 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:49:14,469 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ef9a28eb-d1c5-4e63-9d1f-004c4a4deeb1/bin/uautomizer/witness.graphml [2020-12-01 15:49:14,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:49:14,471 INFO L168 Benchmark]: Toolchain (without parser) took 17013.63 ms. Allocated memory was 86.0 MB in the beginning and 312.5 MB in the end (delta: 226.5 MB). Free memory was 63.7 MB in the beginning and 265.2 MB in the end (delta: -201.5 MB). Peak memory consumption was 194.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:14,472 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 61.2 MB in the beginning and 61.1 MB in the end (delta: 57.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:49:14,472 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.47 ms. Allocated memory is still 86.0 MB. Free memory was 63.5 MB in the beginning and 36.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:14,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.90 ms. Allocated memory was 86.0 MB in the beginning and 138.4 MB in the end (delta: 52.4 MB). Free memory was 36.7 MB in the beginning and 112.8 MB in the end (delta: -76.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:14,473 INFO L168 Benchmark]: Boogie Preprocessor took 92.33 ms. Allocated memory is still 138.4 MB. Free memory was 112.8 MB in the beginning and 107.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:14,473 INFO L168 Benchmark]: RCFGBuilder took 1591.98 ms. Allocated memory is still 138.4 MB. Free memory was 107.8 MB in the beginning and 60.7 MB in the end (delta: 47.1 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:14,474 INFO L168 Benchmark]: TraceAbstraction took 14331.81 ms. Allocated memory was 138.4 MB in the beginning and 312.5 MB in the end (delta: 174.1 MB). Free memory was 59.8 MB in the beginning and 101.8 MB in the end (delta: -42.1 MB). Peak memory consumption was 131.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:14,474 INFO L168 Benchmark]: Witness Printer took 206.02 ms. Allocated memory is still 312.5 MB. Free memory was 100.8 MB in the beginning and 265.2 MB in the end (delta: -164.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:14,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory was 61.2 MB in the beginning and 61.1 MB in the end (delta: 57.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 640.47 ms. Allocated memory is still 86.0 MB. Free memory was 63.5 MB in the beginning and 36.7 MB in the end (delta: 26.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 131.90 ms. Allocated memory was 86.0 MB in the beginning and 138.4 MB in the end (delta: 52.4 MB). Free memory was 36.7 MB in the beginning and 112.8 MB in the end (delta: -76.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.33 ms. Allocated memory is still 138.4 MB. Free memory was 112.8 MB in the beginning and 107.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1591.98 ms. Allocated memory is still 138.4 MB. Free memory was 107.8 MB in the beginning and 60.7 MB in the end (delta: 47.1 MB). Peak memory consumption was 56.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14331.81 ms. Allocated memory was 138.4 MB in the beginning and 312.5 MB in the end (delta: 174.1 MB). Free memory was 59.8 MB in the beginning and 101.8 MB in the end (delta: -42.1 MB). Peak memory consumption was 131.9 MB. Max. memory is 16.1 GB. * Witness Printer took 206.02 ms. Allocated memory is still 312.5 MB. Free memory was 100.8 MB in the beginning and 265.2 MB in the end (delta: -164.4 MB). Peak memory consumption was 4.4 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: 40]: Loop Invariant Derived loop invariant: (((((((((14 <= a8 && a21 == 1) && a7 <= 0) && a20 == 1) || ((14 <= a8 && a7 == 1) && a16 <= 5)) || (a7 <= 0 && 15 <= a8)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || (((a21 == 1 && a16 <= 4) && a20 == 1) && a17 == 1)) || ((a7 == 1 && a16 <= 5) && a17 == 1)) || (a16 <= 5 && a7 <= 0)) || (a7 == 1 && a20 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((((14 <= a8 && a21 == 1) && a7 <= 0) && a20 == 1) || ((14 <= a8 && a7 == 1) && a16 <= 5)) || (a7 <= 0 && 15 <= a8)) || (((a21 == 1 && a7 <= 0) && a20 == 1) && a17 == 1)) || (((a21 == 1 && a16 <= 4) && a20 == 1) && a17 == 1)) || ((a7 == 1 && a16 <= 5) && a17 == 1)) || (a16 <= 5 && a7 <= 0)) || (a7 == 1 && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 199 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 478 SDtfs, 1289 SDslu, 61 SDs, 0 SdLazy, 3677 SolverSat, 642 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 661 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2493occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 1179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 37 NumberOfFragments, 163 HoareAnnotationTreeSize, 3 FomulaSimplifications, 844 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 38 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2327 NumberOfCodeBlocks, 2327 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2314 ConstructedInterpolants, 0 QuantifiedInterpolants, 823469 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1251 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 1359/1368 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...