./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label59.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c830b0c5c33990192c3ba87f57f72df9f3b5a041 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:40:43,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:40:43,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:40:43,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:40:43,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:40:43,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:40:43,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:40:43,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:40:43,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:40:43,889 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:40:43,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:40:43,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:40:43,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:40:43,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:40:43,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:40:43,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:40:43,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:40:43,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:40:43,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:40:43,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:40:43,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:40:43,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:40:43,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:40:43,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:40:43,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:40:43,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:40:43,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:40:43,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:40:43,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:40:43,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:40:43,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:40:43,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:40:43,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:40:43,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:40:43,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:40:43,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:40:43,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:40:43,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:40:43,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:40:43,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:40:43,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:40:43,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:40:43,917 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:40:43,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:40:43,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:40:43,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:40:43,918 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:40:43,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:40:43,919 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:40:43,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:40:43,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:40:43,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:40:43,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:40:43,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:40:43,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:40:43,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:40:43,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:40:43,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:40:43,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:40:43,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:40:43,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:40:43,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:40:43,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:40:43,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:40:43,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:40:43,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:40:43,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:40:43,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:40:43,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:40:43,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:40:43,922 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:40:43,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5ee55200-c502-4cc5-b6dd-450215af2cca/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(__VERIFIER_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 -> c830b0c5c33990192c3ba87f57f72df9f3b5a041 [2019-12-07 12:40:44,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:40:44,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:40:44,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:40:44,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:40:44,033 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:40:44,034 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label59.c [2019-12-07 12:40:44,072 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/data/74917b376/60bbb1110557492e9c033fd4b1256bdd/FLAG6703b06d1 [2019-12-07 12:40:44,520 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:40:44,521 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/sv-benchmarks/c/eca-rers2012/Problem01_label59.c [2019-12-07 12:40:44,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/data/74917b376/60bbb1110557492e9c033fd4b1256bdd/FLAG6703b06d1 [2019-12-07 12:40:44,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/data/74917b376/60bbb1110557492e9c033fd4b1256bdd [2019-12-07 12:40:44,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:40:44,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:40:44,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:40:44,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:40:44,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:40:44,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aaa2f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44, skipping insertion in model container [2019-12-07 12:40:44,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:40:44,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:40:44,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:40:44,819 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:40:44,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:40:44,881 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:40:44,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44 WrapperNode [2019-12-07 12:40:44,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:40:44,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:40:44,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:40:44,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:40:44,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:40:44,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:40:44,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:40:44,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:40:44,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (1/1) ... [2019-12-07 12:40:44,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:40:44,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:40:44,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:40:44,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:40:44,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/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 [2019-12-07 12:40:45,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:40:45,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:40:45,659 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:40:45,659 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 12:40:45,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:40:45 BoogieIcfgContainer [2019-12-07 12:40:45,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:40:45,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:40:45,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:40:45,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:40:45,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:40:44" (1/3) ... [2019-12-07 12:40:45,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78812fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:40:45, skipping insertion in model container [2019-12-07 12:40:45,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:40:44" (2/3) ... [2019-12-07 12:40:45,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78812fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:40:45, skipping insertion in model container [2019-12-07 12:40:45,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:40:45" (3/3) ... [2019-12-07 12:40:45,665 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label59.c [2019-12-07 12:40:45,671 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:40:45,677 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:40:45,684 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:40:45,701 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:40:45,701 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:40:45,701 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:40:45,701 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:40:45,701 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:40:45,701 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:40:45,701 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:40:45,702 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:40:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-12-07 12:40:45,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-12-07 12:40:45,722 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:45,722 INFO L410 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] [2019-12-07 12:40:45,722 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:45,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:45,726 INFO L82 PathProgramCache]: Analyzing trace with hash 806224438, now seen corresponding path program 1 times [2019-12-07 12:40:45,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:45,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959689186] [2019-12-07 12:40:45,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:45,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959689186] [2019-12-07 12:40:45,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:45,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:40:45,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731715940] [2019-12-07 12:40:45,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:40:45,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:45,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:40:45,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:45,987 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-12-07 12:40:46,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:46,726 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-12-07 12:40:46,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:40:46,727 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-12-07 12:40:46,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:46,740 INFO L225 Difference]: With dead ends: 662 [2019-12-07 12:40:46,740 INFO L226 Difference]: Without dead ends: 397 [2019-12-07 12:40:46,743 INFO L630 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 [2019-12-07 12:40:46,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-12-07 12:40:46,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-12-07 12:40:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-12-07 12:40:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 553 transitions. [2019-12-07 12:40:46,790 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 553 transitions. Word has length 89 [2019-12-07 12:40:46,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:46,791 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 553 transitions. [2019-12-07 12:40:46,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:40:46,791 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2019-12-07 12:40:46,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-12-07 12:40:46,796 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:46,796 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 12:40:46,796 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:46,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:46,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1182931709, now seen corresponding path program 1 times [2019-12-07 12:40:46,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:46,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774744034] [2019-12-07 12:40:46,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:46,886 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774744034] [2019-12-07 12:40:46,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:46,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:40:46,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627039274] [2019-12-07 12:40:46,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:40:46,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:46,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:40:46,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:40:46,889 INFO L87 Difference]: Start difference. First operand 397 states and 553 transitions. Second operand 3 states. [2019-12-07 12:40:47,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:47,176 INFO L93 Difference]: Finished difference Result 1185 states and 1654 transitions. [2019-12-07 12:40:47,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:40:47,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2019-12-07 12:40:47,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:47,180 INFO L225 Difference]: With dead ends: 1185 [2019-12-07 12:40:47,181 INFO L226 Difference]: Without dead ends: 790 [2019-12-07 12:40:47,182 INFO L630 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 [2019-12-07 12:40:47,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-12-07 12:40:47,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2019-12-07 12:40:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-12-07 12:40:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 851 transitions. [2019-12-07 12:40:47,202 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 851 transitions. Word has length 96 [2019-12-07 12:40:47,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:47,203 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 851 transitions. [2019-12-07 12:40:47,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:40:47,203 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 851 transitions. [2019-12-07 12:40:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-07 12:40:47,205 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:47,205 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-12-07 12:40:47,205 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:47,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:47,205 INFO L82 PathProgramCache]: Analyzing trace with hash -2032630224, now seen corresponding path program 1 times [2019-12-07 12:40:47,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:47,206 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780657963] [2019-12-07 12:40:47,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 12:40:47,238 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780657963] [2019-12-07 12:40:47,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:47,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:40:47,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132154275] [2019-12-07 12:40:47,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:40:47,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:47,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:40:47,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:47,240 INFO L87 Difference]: Start difference. First operand 659 states and 851 transitions. Second operand 4 states. [2019-12-07 12:40:47,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:47,586 INFO L93 Difference]: Finished difference Result 1971 states and 2548 transitions. [2019-12-07 12:40:47,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:40:47,586 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-12-07 12:40:47,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:47,590 INFO L225 Difference]: With dead ends: 1971 [2019-12-07 12:40:47,591 INFO L226 Difference]: Without dead ends: 1183 [2019-12-07 12:40:47,592 INFO L630 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 [2019-12-07 12:40:47,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2019-12-07 12:40:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183. [2019-12-07 12:40:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-12-07 12:40:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1485 transitions. [2019-12-07 12:40:47,611 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1485 transitions. Word has length 102 [2019-12-07 12:40:47,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:47,611 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1485 transitions. [2019-12-07 12:40:47,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:40:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1485 transitions. [2019-12-07 12:40:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-07 12:40:47,613 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:47,613 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:40:47,613 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:47,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:47,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1446444757, now seen corresponding path program 1 times [2019-12-07 12:40:47,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:47,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040474069] [2019-12-07 12:40:47,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:40:47,654 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040474069] [2019-12-07 12:40:47,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:47,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:40:47,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007085418] [2019-12-07 12:40:47,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:40:47,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:47,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:40:47,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:40:47,655 INFO L87 Difference]: Start difference. First operand 1183 states and 1485 transitions. Second operand 3 states. [2019-12-07 12:40:47,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:47,983 INFO L93 Difference]: Finished difference Result 3019 states and 3821 transitions. [2019-12-07 12:40:47,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:40:47,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2019-12-07 12:40:47,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:47,991 INFO L225 Difference]: With dead ends: 3019 [2019-12-07 12:40:47,991 INFO L226 Difference]: Without dead ends: 1707 [2019-12-07 12:40:47,993 INFO L630 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 [2019-12-07 12:40:47,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-12-07 12:40:48,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2019-12-07 12:40:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-12-07 12:40:48,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1661 transitions. [2019-12-07 12:40:48,017 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1661 transitions. Word has length 104 [2019-12-07 12:40:48,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:48,017 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1661 transitions. [2019-12-07 12:40:48,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:40:48,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1661 transitions. [2019-12-07 12:40:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-07 12:40:48,019 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:48,019 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:40:48,019 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:48,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:48,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1854334615, now seen corresponding path program 1 times [2019-12-07 12:40:48,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:48,020 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146484347] [2019-12-07 12:40:48,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 12:40:48,087 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146484347] [2019-12-07 12:40:48,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:48,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:40:48,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747075715] [2019-12-07 12:40:48,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:40:48,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:48,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:40:48,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:48,089 INFO L87 Difference]: Start difference. First operand 1445 states and 1661 transitions. Second operand 4 states. [2019-12-07 12:40:48,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:48,493 INFO L93 Difference]: Finished difference Result 3024 states and 3467 transitions. [2019-12-07 12:40:48,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:40:48,493 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2019-12-07 12:40:48,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:48,502 INFO L225 Difference]: With dead ends: 3024 [2019-12-07 12:40:48,502 INFO L226 Difference]: Without dead ends: 1581 [2019-12-07 12:40:48,505 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:40:48,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2019-12-07 12:40:48,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1576. [2019-12-07 12:40:48,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-12-07 12:40:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1795 transitions. [2019-12-07 12:40:48,539 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1795 transitions. Word has length 112 [2019-12-07 12:40:48,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:48,539 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1795 transitions. [2019-12-07 12:40:48,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:40:48,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1795 transitions. [2019-12-07 12:40:48,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-07 12:40:48,541 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:48,541 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2019-12-07 12:40:48,541 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:48,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:48,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1664786527, now seen corresponding path program 1 times [2019-12-07 12:40:48,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:48,542 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941128357] [2019-12-07 12:40:48,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:48,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941128357] [2019-12-07 12:40:48,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:48,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:40:48,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425529586] [2019-12-07 12:40:48,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:40:48,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:48,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:40:48,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:48,601 INFO L87 Difference]: Start difference. First operand 1576 states and 1795 transitions. Second operand 4 states. [2019-12-07 12:40:49,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:49,032 INFO L93 Difference]: Finished difference Result 3805 states and 4379 transitions. [2019-12-07 12:40:49,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:40:49,033 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2019-12-07 12:40:49,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:49,041 INFO L225 Difference]: With dead ends: 3805 [2019-12-07 12:40:49,041 INFO L226 Difference]: Without dead ends: 2362 [2019-12-07 12:40:49,043 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:49,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2019-12-07 12:40:49,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1707. [2019-12-07 12:40:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-12-07 12:40:49,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1877 transitions. [2019-12-07 12:40:49,070 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1877 transitions. Word has length 116 [2019-12-07 12:40:49,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:49,070 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 1877 transitions. [2019-12-07 12:40:49,070 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:40:49,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1877 transitions. [2019-12-07 12:40:49,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-07 12:40:49,072 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:49,072 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:40:49,072 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:49,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:49,072 INFO L82 PathProgramCache]: Analyzing trace with hash -2107396270, now seen corresponding path program 1 times [2019-12-07 12:40:49,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:49,073 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935859413] [2019-12-07 12:40:49,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:49,186 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935859413] [2019-12-07 12:40:49,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:49,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 12:40:49,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089084721] [2019-12-07 12:40:49,186 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 12:40:49,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:49,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 12:40:49,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:40:49,187 INFO L87 Difference]: Start difference. First operand 1707 states and 1877 transitions. Second operand 8 states. [2019-12-07 12:40:49,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:49,718 INFO L93 Difference]: Finished difference Result 3716 states and 4094 transitions. [2019-12-07 12:40:49,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 12:40:49,718 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2019-12-07 12:40:49,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:49,725 INFO L225 Difference]: With dead ends: 3716 [2019-12-07 12:40:49,725 INFO L226 Difference]: Without dead ends: 2142 [2019-12-07 12:40:49,727 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:40:49,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2019-12-07 12:40:49,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 1838. [2019-12-07 12:40:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-12-07 12:40:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2009 transitions. [2019-12-07 12:40:49,751 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2009 transitions. Word has length 122 [2019-12-07 12:40:49,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:49,751 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2009 transitions. [2019-12-07 12:40:49,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 12:40:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2009 transitions. [2019-12-07 12:40:49,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-07 12:40:49,753 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:49,754 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 12:40:49,754 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:49,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:49,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1246749755, now seen corresponding path program 1 times [2019-12-07 12:40:49,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:49,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769159506] [2019-12-07 12:40:49,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:49,830 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769159506] [2019-12-07 12:40:49,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:49,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:40:49,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689842170] [2019-12-07 12:40:49,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:40:49,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:49,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:40:49,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:49,831 INFO L87 Difference]: Start difference. First operand 1838 states and 2009 transitions. Second operand 4 states. [2019-12-07 12:40:50,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:50,120 INFO L93 Difference]: Finished difference Result 3805 states and 4174 transitions. [2019-12-07 12:40:50,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:40:50,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2019-12-07 12:40:50,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:50,127 INFO L225 Difference]: With dead ends: 3805 [2019-12-07 12:40:50,127 INFO L226 Difference]: Without dead ends: 2100 [2019-12-07 12:40:50,129 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:50,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2019-12-07 12:40:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2100. [2019-12-07 12:40:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2019-12-07 12:40:50,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2260 transitions. [2019-12-07 12:40:50,154 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2260 transitions. Word has length 148 [2019-12-07 12:40:50,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:50,154 INFO L462 AbstractCegarLoop]: Abstraction has 2100 states and 2260 transitions. [2019-12-07 12:40:50,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:40:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2260 transitions. [2019-12-07 12:40:50,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-07 12:40:50,157 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:50,157 INFO L410 BasicCegarLoop]: trace histogram [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, 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] [2019-12-07 12:40:50,157 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:50,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:50,157 INFO L82 PathProgramCache]: Analyzing trace with hash 691080292, now seen corresponding path program 1 times [2019-12-07 12:40:50,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:50,158 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728814364] [2019-12-07 12:40:50,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:50,540 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:50,540 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728814364] [2019-12-07 12:40:50,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:50,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-07 12:40:50,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894455497] [2019-12-07 12:40:50,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-07 12:40:50,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:50,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-07 12:40:50,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=79, Unknown=0, NotChecked=0, Total=156 [2019-12-07 12:40:50,542 INFO L87 Difference]: Start difference. First operand 2100 states and 2260 transitions. Second operand 13 states. [2019-12-07 12:40:51,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:51,423 INFO L93 Difference]: Finished difference Result 4515 states and 4867 transitions. [2019-12-07 12:40:51,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-07 12:40:51,423 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 161 [2019-12-07 12:40:51,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:51,430 INFO L225 Difference]: With dead ends: 4515 [2019-12-07 12:40:51,430 INFO L226 Difference]: Without dead ends: 2400 [2019-12-07 12:40:51,432 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=79, Unknown=0, NotChecked=0, Total=156 [2019-12-07 12:40:51,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2400 states. [2019-12-07 12:40:51,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2400 to 2135. [2019-12-07 12:40:51,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2135 states. [2019-12-07 12:40:51,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 2292 transitions. [2019-12-07 12:40:51,457 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 2292 transitions. Word has length 161 [2019-12-07 12:40:51,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:51,457 INFO L462 AbstractCegarLoop]: Abstraction has 2135 states and 2292 transitions. [2019-12-07 12:40:51,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-07 12:40:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2292 transitions. [2019-12-07 12:40:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-12-07 12:40:51,459 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:51,460 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:40:51,460 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:51,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:51,460 INFO L82 PathProgramCache]: Analyzing trace with hash 2108776820, now seen corresponding path program 1 times [2019-12-07 12:40:51,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:51,460 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108769616] [2019-12-07 12:40:51,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:40:51,541 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108769616] [2019-12-07 12:40:51,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:51,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 12:40:51,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715737393] [2019-12-07 12:40:51,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 12:40:51,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:51,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:40:51,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:40:51,542 INFO L87 Difference]: Start difference. First operand 2135 states and 2292 transitions. Second operand 6 states. [2019-12-07 12:40:52,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:52,066 INFO L93 Difference]: Finished difference Result 4152 states and 4463 transitions. [2019-12-07 12:40:52,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:40:52,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2019-12-07 12:40:52,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:52,075 INFO L225 Difference]: With dead ends: 4152 [2019-12-07 12:40:52,075 INFO L226 Difference]: Without dead ends: 2150 [2019-12-07 12:40:52,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:40:52,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2150 states. [2019-12-07 12:40:52,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2150 to 2135. [2019-12-07 12:40:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2135 states. [2019-12-07 12:40:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 2269 transitions. [2019-12-07 12:40:52,109 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 2269 transitions. Word has length 163 [2019-12-07 12:40:52,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:52,109 INFO L462 AbstractCegarLoop]: Abstraction has 2135 states and 2269 transitions. [2019-12-07 12:40:52,109 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 12:40:52,109 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2269 transitions. [2019-12-07 12:40:52,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-12-07 12:40:52,113 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:40:52,114 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 12:40:52,114 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:40:52,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:40:52,114 INFO L82 PathProgramCache]: Analyzing trace with hash -263540360, now seen corresponding path program 1 times [2019-12-07 12:40:52,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:40:52,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654982241] [2019-12-07 12:40:52,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:40:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:40:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2019-12-07 12:40:52,202 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654982241] [2019-12-07 12:40:52,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:40:52,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:40:52,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711322700] [2019-12-07 12:40:52,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:40:52,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:40:52,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:40:52,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:52,203 INFO L87 Difference]: Start difference. First operand 2135 states and 2269 transitions. Second operand 4 states. [2019-12-07 12:40:52,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:40:52,619 INFO L93 Difference]: Finished difference Result 4921 states and 5237 transitions. [2019-12-07 12:40:52,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:40:52,620 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 212 [2019-12-07 12:40:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:40:52,620 INFO L225 Difference]: With dead ends: 4921 [2019-12-07 12:40:52,620 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:40:52,622 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:40:52,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:40:52,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:40:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:40:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:40:52,623 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2019-12-07 12:40:52,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:40:52,623 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:40:52,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:40:52,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:40:52,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:40:52,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:40:53,051 WARN L192 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 54 [2019-12-07 12:40:53,300 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 52 [2019-12-07 12:40:53,302 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-12-07 12:40:53,302 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-12-07 12:40:53,302 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,302 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,302 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,302 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,302 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,302 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,302 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,303 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-12-07 12:40:53,304 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-12-07 12:40:53,305 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-12-07 12:40:53,306 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-12-07 12:40:53,306 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-12-07 12:40:53,306 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse10 (= ~a20~0 1)) (.cse1 (= 15 ~a8~0))) (let ((.cse2 (= ~a16~0 5)) (.cse0 (= 1 ~a7~0)) (.cse9 (not .cse1)) (.cse8 (= ~a16~0 4)) (.cse3 (not .cse10)) (.cse11 (= 13 ~a8~0)) (.cse4 (= ~a17~0 1)) (.cse5 (= ~a12~0 8)) (.cse7 (<= ~a17~0 0)) (.cse6 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2) (and (= 2 ULTIMATE.start_calculate_output_~input) .cse3 .cse4 .cse5 .cse6 .cse1) (and .cse7 .cse2) (and .cse4 .cse5 .cse6 (not (= 1 ULTIMATE.start_calculate_output_~input)) .cse1 .cse2) (and .cse8 .cse9 .cse7) (and .cse0 .cse4 .cse6) (and .cse8 .cse9 .cse5 .cse4 .cse6 .cse10) (and .cse0 .cse11) (and .cse0 .cse9 .cse7) (and .cse3 .cse4 .cse5 .cse6 .cse1 (not .cse8)) (and .cse3 .cse4 .cse5 .cse6 .cse1 (or (= 3 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input))) (and .cse11 .cse5 .cse4 .cse6 .cse10) (and .cse5 .cse7 .cse6 .cse1)))) [2019-12-07 12:40:53,306 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,306 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,306 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,306 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,306 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,306 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,307 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,308 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-12-07 12:40:53,309 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (= ~a20~0 1)) (.cse3 (= 15 ~a8~0))) (let ((.cse4 (= ~a16~0 5)) (.cse5 (= 1 ~a7~0)) (.cse9 (not .cse3)) (.cse8 (= ~a16~0 4)) (.cse6 (not .cse10)) (.cse11 (= 13 ~a8~0)) (.cse0 (= ~a17~0 1)) (.cse1 (= ~a12~0 8)) (.cse7 (<= ~a17~0 0)) (.cse2 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse4) (and (= 2 ULTIMATE.start_calculate_output_~input) .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse7 .cse4) (and .cse8 .cse9 .cse7) (and .cse5 .cse0 .cse2) (and .cse8 .cse9 .cse1 .cse0 .cse2 .cse10) (and .cse5 .cse11) (and .cse5 .cse9 .cse7) (and .cse6 .cse0 .cse1 .cse2 .cse3 (not .cse8)) (and .cse6 .cse0 .cse1 .cse2 .cse3 (or (= 3 ULTIMATE.start_calculate_output_~input) (= 6 ULTIMATE.start_calculate_output_~input) (= 5 ULTIMATE.start_calculate_output_~input))) (and .cse11 .cse1 .cse0 .cse2 .cse10) (and .cse1 .cse7 .cse2 .cse3)))) [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-12-07 12:40:53,310 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-12-07 12:40:53,311 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:40:53,312 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-12-07 12:40:53,313 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 443) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-12-07 12:40:53,314 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-12-07 12:40:53,315 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-12-07 12:40:53,315 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-12-07 12:40:53,315 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-12-07 12:40:53,315 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-12-07 12:40:53,315 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-12-07 12:40:53,315 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-12-07 12:40:53,315 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-12-07 12:40:53,315 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-12-07 12:40:53,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:40:53 BoogieIcfgContainer [2019-12-07 12:40:53,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:40:53,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:40:53,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:40:53,338 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:40:53,338 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:40:45" (3/4) ... [2019-12-07 12:40:53,341 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:40:53,357 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 12:40:53,358 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:40:53,448 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5ee55200-c502-4cc5-b6dd-450215af2cca/bin/uautomizer/witness.graphml [2019-12-07 12:40:53,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:40:53,449 INFO L168 Benchmark]: Toolchain (without parser) took 8908.80 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.4 MB). Free memory was 933.9 MB in the beginning and 854.3 MB in the end (delta: 79.6 MB). Peak memory consumption was 401.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:53,449 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:40:53,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:53,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:53,450 INFO L168 Benchmark]: Boogie Preprocessor took 35.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:53,450 INFO L168 Benchmark]: RCFGBuilder took 691.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 956.8 MB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:53,450 INFO L168 Benchmark]: TraceAbstraction took 7676.47 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 215.5 MB). Free memory was 956.8 MB in the beginning and 877.7 MB in the end (delta: 79.1 MB). Peak memory consumption was 294.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:53,451 INFO L168 Benchmark]: Witness Printer took 110.25 ms. Allocated memory is still 1.4 GB. Free memory was 877.7 MB in the beginning and 854.3 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:40:53,452 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 691.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 956.8 MB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7676.47 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 215.5 MB). Free memory was 956.8 MB in the beginning and 877.7 MB in the end (delta: 79.1 MB). Peak memory consumption was 294.6 MB. Max. memory is 11.5 GB. * Witness Printer took 110.25 ms. Allocated memory is still 1.4 GB. Free memory was 877.7 MB in the beginning and 854.3 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 443]: 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: 30]: Loop Invariant Derived loop invariant: (((((((((((((1 == a7 && 15 == a8) && a16 == 5) || (((((2 == input && !(a20 == 1)) && a17 == 1) && a12 == 8) && a21 == 1) && 15 == a8)) || (a17 <= 0 && a16 == 5)) || (((((a17 == 1 && a12 == 8) && a21 == 1) && !(1 == input)) && 15 == a8) && a16 == 5)) || ((a16 == 4 && !(15 == a8)) && a17 <= 0)) || ((1 == a7 && a17 == 1) && a21 == 1)) || (((((a16 == 4 && !(15 == a8)) && a12 == 8) && a17 == 1) && a21 == 1) && a20 == 1)) || (1 == a7 && 13 == a8)) || ((1 == a7 && !(15 == a8)) && a17 <= 0)) || (((((!(a20 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && 15 == a8) && !(a16 == 4))) || (((((!(a20 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && 15 == a8) && ((3 == input || 6 == input) || 5 == input))) || ((((13 == a8 && a12 == 8) && a17 == 1) && a21 == 1) && a20 == 1)) || (((a12 == 8 && a17 <= 0) && a21 == 1) && 15 == a8) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((a17 == 1 && a12 == 8) && a21 == 1) && 15 == a8) && a16 == 5) || ((1 == a7 && 15 == a8) && a16 == 5)) || (((((2 == input && !(a20 == 1)) && a17 == 1) && a12 == 8) && a21 == 1) && 15 == a8)) || (a17 <= 0 && a16 == 5)) || ((a16 == 4 && !(15 == a8)) && a17 <= 0)) || ((1 == a7 && a17 == 1) && a21 == 1)) || (((((a16 == 4 && !(15 == a8)) && a12 == 8) && a17 == 1) && a21 == 1) && a20 == 1)) || (1 == a7 && 13 == a8)) || ((1 == a7 && !(15 == a8)) && a17 <= 0)) || (((((!(a20 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && 15 == a8) && !(a16 == 4))) || (((((!(a20 == 1) && a17 == 1) && a12 == 8) && a21 == 1) && 15 == a8) && ((3 == input || 6 == input) || 5 == input))) || ((((13 == a8 && a12 == 8) && a17 == 1) && a21 == 1) && a20 == 1)) || (((a12 == 8 && a17 <= 0) && a21 == 1) && 15 == a8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 6.9s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 845 SDtfs, 3285 SDslu, 143 SDs, 0 SdLazy, 6607 SolverSat, 895 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2135occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1637 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 58 NumberOfFragments, 385 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5690 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 688 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1425 NumberOfCodeBlocks, 1425 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1414 ConstructedInterpolants, 0 QuantifiedInterpolants, 931189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 627/627 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...