./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c -s /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/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 70570f9230a936eeca9efadc2f62d40ff3c801f1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:46,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:46,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:46,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:46,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:46,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:46,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:46,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:46,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:46,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:46,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:46,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:46,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:46,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:46,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:46,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:46,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:46,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:46,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:46,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:46,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:46,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:46,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:46,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:46,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:46,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:46,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:46,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:46,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:46,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:46,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:46,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:46,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:46,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:46,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:46,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:46,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:46,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:46,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:46,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:46,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:46,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:46,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:46,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:46,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:46,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:46,136 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:46,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:46,136 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:46,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:46,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:46,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:46,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:46,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:46,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:46,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:46,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:46,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:46,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:46,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:46,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:46,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:46,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:46,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:46,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:46,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:46,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:46,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:46,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:46,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:46,141 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/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/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 -> 70570f9230a936eeca9efadc2f62d40ff3c801f1 [2019-10-22 08:58:46,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:46,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:46,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:46,196 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:46,196 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:46,197 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2019-10-22 08:58:46,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/data/38293c6bd/8e1623bd793f48bfb7e3d6f14d112d03/FLAG416daeb52 [2019-10-22 08:58:46,778 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:46,778 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/sv-benchmarks/c/eca-rers2012/Problem11_label32.c [2019-10-22 08:58:46,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/data/38293c6bd/8e1623bd793f48bfb7e3d6f14d112d03/FLAG416daeb52 [2019-10-22 08:58:47,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/data/38293c6bd/8e1623bd793f48bfb7e3d6f14d112d03 [2019-10-22 08:58:47,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:47,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:47,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:47,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:47,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:47,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:47,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643f4d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47, skipping insertion in model container [2019-10-22 08:58:47,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:47,031 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:47,114 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:47,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:47,811 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:47,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:47,972 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:47,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47 WrapperNode [2019-10-22 08:58:47,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:47,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:47,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:47,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:47,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:48,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:48,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:48,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:48,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:48,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:48,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:48,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:48,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:48,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:48,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:48,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:48,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (1/1) ... [2019-10-22 08:58:48,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:48,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:48,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:48,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:48,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/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 [2019-10-22 08:58:48,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:48,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:49,866 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:49,867 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:58:49,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:49 BoogieIcfgContainer [2019-10-22 08:58:49,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:49,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:49,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:49,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:49,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:47" (1/3) ... [2019-10-22 08:58:49,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b9e538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:49, skipping insertion in model container [2019-10-22 08:58:49,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:47" (2/3) ... [2019-10-22 08:58:49,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b9e538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:49, skipping insertion in model container [2019-10-22 08:58:49,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:49" (3/3) ... [2019-10-22 08:58:49,877 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem11_label32.c [2019-10-22 08:58:49,889 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:49,899 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:58:49,911 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:58:49,945 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:49,945 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:49,945 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:49,945 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:49,946 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:49,946 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:49,946 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:49,946 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:49,975 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2019-10-22 08:58:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 08:58:49,984 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:49,985 INFO L380 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] [2019-10-22 08:58:49,987 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:49,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:49,995 INFO L82 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2019-10-22 08:58:50,004 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:50,004 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106756609] [2019-10-22 08:58:50,004 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:50,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:50,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:50,331 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106756609] [2019-10-22 08:58:50,332 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:50,333 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:50,333 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321271680] [2019-10-22 08:58:50,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:50,339 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:50,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:50,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:50,355 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2019-10-22 08:58:52,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:52,167 INFO L93 Difference]: Finished difference Result 966 states and 1746 transitions. [2019-10-22 08:58:52,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:52,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 40 [2019-10-22 08:58:52,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:52,182 INFO L225 Difference]: With dead ends: 966 [2019-10-22 08:58:52,183 INFO L226 Difference]: Without dead ends: 616 [2019-10-22 08:58:52,190 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2019-10-22 08:58:52,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 600. [2019-10-22 08:58:52,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2019-10-22 08:58:52,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 910 transitions. [2019-10-22 08:58:52,254 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 910 transitions. Word has length 40 [2019-10-22 08:58:52,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:52,254 INFO L462 AbstractCegarLoop]: Abstraction has 600 states and 910 transitions. [2019-10-22 08:58:52,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:52,255 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 910 transitions. [2019-10-22 08:58:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-22 08:58:52,260 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:52,261 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:52,261 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:52,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:52,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1857981977, now seen corresponding path program 1 times [2019-10-22 08:58:52,261 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:52,262 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915891728] [2019-10-22 08:58:52,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:52,262 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:52,262 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:52,454 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915891728] [2019-10-22 08:58:52,454 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:52,454 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:52,454 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447264993] [2019-10-22 08:58:52,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:52,456 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:52,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:52,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:52,457 INFO L87 Difference]: Start difference. First operand 600 states and 910 transitions. Second operand 4 states. [2019-10-22 08:58:53,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:53,778 INFO L93 Difference]: Finished difference Result 2309 states and 3522 transitions. [2019-10-22 08:58:53,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:53,778 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2019-10-22 08:58:53,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:53,785 INFO L225 Difference]: With dead ends: 2309 [2019-10-22 08:58:53,785 INFO L226 Difference]: Without dead ends: 1711 [2019-10-22 08:58:53,787 INFO L600 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 [2019-10-22 08:58:53,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2019-10-22 08:58:53,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1343. [2019-10-22 08:58:53,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1343 states. [2019-10-22 08:58:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1799 transitions. [2019-10-22 08:58:53,832 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1799 transitions. Word has length 111 [2019-10-22 08:58:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:53,832 INFO L462 AbstractCegarLoop]: Abstraction has 1343 states and 1799 transitions. [2019-10-22 08:58:53,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:53,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1799 transitions. [2019-10-22 08:58:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-10-22 08:58:53,836 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:53,837 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:53,837 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:53,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:53,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1607943618, now seen corresponding path program 1 times [2019-10-22 08:58:53,838 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:53,838 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081503293] [2019-10-22 08:58:53,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:53,838 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:53,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:54,010 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081503293] [2019-10-22 08:58:54,011 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:54,011 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:54,011 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541543874] [2019-10-22 08:58:54,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:54,013 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:54,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:54,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:54,052 INFO L87 Difference]: Start difference. First operand 1343 states and 1799 transitions. Second operand 4 states. [2019-10-22 08:58:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:55,531 INFO L93 Difference]: Finished difference Result 4720 states and 6447 transitions. [2019-10-22 08:58:55,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:55,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2019-10-22 08:58:55,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:55,541 INFO L225 Difference]: With dead ends: 4720 [2019-10-22 08:58:55,542 INFO L226 Difference]: Without dead ends: 3379 [2019-10-22 08:58:55,544 INFO L600 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 [2019-10-22 08:58:55,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3379 states. [2019-10-22 08:58:55,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3379 to 2263. [2019-10-22 08:58:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2263 states. [2019-10-22 08:58:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 2832 transitions. [2019-10-22 08:58:55,599 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 2832 transitions. Word has length 124 [2019-10-22 08:58:55,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:55,600 INFO L462 AbstractCegarLoop]: Abstraction has 2263 states and 2832 transitions. [2019-10-22 08:58:55,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2832 transitions. [2019-10-22 08:58:55,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-22 08:58:55,605 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:55,605 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:55,605 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:55,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:55,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1721122937, now seen corresponding path program 1 times [2019-10-22 08:58:55,606 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:55,606 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805183042] [2019-10-22 08:58:55,606 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:55,606 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:55,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:55,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805183042] [2019-10-22 08:58:55,806 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:55,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:55,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405153046] [2019-10-22 08:58:55,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:55,807 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:55,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:55,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:55,807 INFO L87 Difference]: Start difference. First operand 2263 states and 2832 transitions. Second operand 5 states. [2019-10-22 08:58:57,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:57,662 INFO L93 Difference]: Finished difference Result 8232 states and 10658 transitions. [2019-10-22 08:58:57,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:58:57,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2019-10-22 08:58:57,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:57,680 INFO L225 Difference]: With dead ends: 8232 [2019-10-22 08:58:57,680 INFO L226 Difference]: Without dead ends: 6155 [2019-10-22 08:58:57,684 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:57,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6155 states. [2019-10-22 08:58:57,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6155 to 5221. [2019-10-22 08:58:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5221 states. [2019-10-22 08:58:57,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 5221 states and 6503 transitions. [2019-10-22 08:58:57,787 INFO L78 Accepts]: Start accepts. Automaton has 5221 states and 6503 transitions. Word has length 167 [2019-10-22 08:58:57,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:57,787 INFO L462 AbstractCegarLoop]: Abstraction has 5221 states and 6503 transitions. [2019-10-22 08:58:57,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:57,788 INFO L276 IsEmpty]: Start isEmpty. Operand 5221 states and 6503 transitions. [2019-10-22 08:58:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-22 08:58:57,793 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:57,793 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:57,793 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:57,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:57,794 INFO L82 PathProgramCache]: Analyzing trace with hash -981330004, now seen corresponding path program 1 times [2019-10-22 08:58:57,794 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:57,794 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500605880] [2019-10-22 08:58:57,794 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:57,795 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:57,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-22 08:58:58,137 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500605880] [2019-10-22 08:58:58,137 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538487570] [2019-10-22 08:58:58,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:58,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:58,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-22 08:58:58,348 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:58,348 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2019-10-22 08:58:58,348 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978232508] [2019-10-22 08:58:58,349 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:58,349 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:58,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:58,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:58,351 INFO L87 Difference]: Start difference. First operand 5221 states and 6503 transitions. Second operand 3 states. [2019-10-22 08:58:59,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:59,263 INFO L93 Difference]: Finished difference Result 11745 states and 14836 transitions. [2019-10-22 08:58:59,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:59,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-10-22 08:58:59,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:59,285 INFO L225 Difference]: With dead ends: 11745 [2019-10-22 08:58:59,285 INFO L226 Difference]: Without dead ends: 7268 [2019-10-22 08:58:59,292 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:59,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7268 states. [2019-10-22 08:58:59,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7268 to 6712. [2019-10-22 08:58:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6712 states. [2019-10-22 08:58:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6712 states to 6712 states and 8408 transitions. [2019-10-22 08:58:59,408 INFO L78 Accepts]: Start accepts. Automaton has 6712 states and 8408 transitions. Word has length 286 [2019-10-22 08:58:59,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:59,409 INFO L462 AbstractCegarLoop]: Abstraction has 6712 states and 8408 transitions. [2019-10-22 08:58:59,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:59,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6712 states and 8408 transitions. [2019-10-22 08:58:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-10-22 08:58:59,418 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:59,418 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:59,619 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:59,619 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:59,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:59,620 INFO L82 PathProgramCache]: Analyzing trace with hash -653895396, now seen corresponding path program 1 times [2019-10-22 08:58:59,620 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:59,620 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905845122] [2019-10-22 08:58:59,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:59,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:59,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:59,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905845122] [2019-10-22 08:58:59,935 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:59,935 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:59,935 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793494525] [2019-10-22 08:58:59,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:59,936 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:59,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:59,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:59,936 INFO L87 Difference]: Start difference. First operand 6712 states and 8408 transitions. Second operand 4 states. [2019-10-22 08:59:01,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:01,186 INFO L93 Difference]: Finished difference Result 16574 states and 20857 transitions. [2019-10-22 08:59:01,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:59:01,187 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 310 [2019-10-22 08:59:01,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:01,225 INFO L225 Difference]: With dead ends: 16574 [2019-10-22 08:59:01,230 INFO L226 Difference]: Without dead ends: 10048 [2019-10-22 08:59:01,236 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:01,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10048 states. [2019-10-22 08:59:01,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10048 to 9840. [2019-10-22 08:59:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9840 states. [2019-10-22 08:59:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9840 states to 9840 states and 11878 transitions. [2019-10-22 08:59:01,380 INFO L78 Accepts]: Start accepts. Automaton has 9840 states and 11878 transitions. Word has length 310 [2019-10-22 08:59:01,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:01,380 INFO L462 AbstractCegarLoop]: Abstraction has 9840 states and 11878 transitions. [2019-10-22 08:59:01,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:01,385 INFO L276 IsEmpty]: Start isEmpty. Operand 9840 states and 11878 transitions. [2019-10-22 08:59:01,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-10-22 08:59:01,395 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:01,395 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 08:59:01,395 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:01,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:01,396 INFO L82 PathProgramCache]: Analyzing trace with hash -2103105373, now seen corresponding path program 1 times [2019-10-22 08:59:01,396 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:01,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112761361] [2019-10-22 08:59:01,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:01,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:01,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:01,716 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-22 08:59:01,717 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112761361] [2019-10-22 08:59:01,718 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:01,718 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:59:01,718 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85871268] [2019-10-22 08:59:01,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:59:01,718 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:01,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:59:01,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:59:01,719 INFO L87 Difference]: Start difference. First operand 9840 states and 11878 transitions. Second operand 3 states. [2019-10-22 08:59:02,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:02,359 INFO L93 Difference]: Finished difference Result 19101 states and 22940 transitions. [2019-10-22 08:59:02,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:59:02,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2019-10-22 08:59:02,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:02,379 INFO L225 Difference]: With dead ends: 19101 [2019-10-22 08:59:02,379 INFO L226 Difference]: Without dead ends: 9079 [2019-10-22 08:59:02,388 INFO L600 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 [2019-10-22 08:59:02,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9079 states. [2019-10-22 08:59:02,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9079 to 8341. [2019-10-22 08:59:02,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8341 states. [2019-10-22 08:59:02,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8341 states to 8341 states and 9576 transitions. [2019-10-22 08:59:02,496 INFO L78 Accepts]: Start accepts. Automaton has 8341 states and 9576 transitions. Word has length 340 [2019-10-22 08:59:02,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:02,496 INFO L462 AbstractCegarLoop]: Abstraction has 8341 states and 9576 transitions. [2019-10-22 08:59:02,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:59:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 8341 states and 9576 transitions. [2019-10-22 08:59:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2019-10-22 08:59:02,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:59:02,511 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:59:02,511 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:59:02,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:59:02,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1447177761, now seen corresponding path program 1 times [2019-10-22 08:59:02,512 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:59:02,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301704864] [2019-10-22 08:59:02,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:02,512 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:59:02,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:59:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:59:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-22 08:59:02,897 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301704864] [2019-10-22 08:59:02,897 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:59:02,897 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:59:02,897 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107661873] [2019-10-22 08:59:02,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:59:02,899 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:59:02,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:59:02,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:02,900 INFO L87 Difference]: Start difference. First operand 8341 states and 9576 transitions. Second operand 4 states. [2019-10-22 08:59:04,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:59:04,457 INFO L93 Difference]: Finished difference Result 18168 states and 20938 transitions. [2019-10-22 08:59:04,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:59:04,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 413 [2019-10-22 08:59:04,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:59:04,458 INFO L225 Difference]: With dead ends: 18168 [2019-10-22 08:59:04,458 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:59:04,471 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:59:04,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:59:04,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:59:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:59:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:59:04,473 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 413 [2019-10-22 08:59:04,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:59:04,473 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:59:04,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:59:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:59:04,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:59:04,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:59:04,868 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 37 [2019-10-22 08:59:05,065 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 37 [2019-10-22 08:59:05,066 INFO L443 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2019-10-22 08:59:05,066 INFO L443 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-10-22 08:59:05,066 INFO L443 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2019-10-22 08:59:05,067 INFO L446 ceAbstractionStarter]: At program point L1028(lines 1028 1044) the Hoare annotation is: true [2019-10-22 08:59:05,067 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,067 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,067 INFO L443 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,067 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,067 INFO L443 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,067 INFO L443 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,067 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,067 INFO L443 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2019-10-22 08:59:05,067 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2019-10-22 08:59:05,068 INFO L443 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2019-10-22 08:59:05,069 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,069 INFO L439 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse3 (= ~a25~0 13)) (.cse1 (<= ~a29~0 140)) (.cse6 (<= ~a23~0 312)) (.cse5 (= 12 ~a25~0)) (.cse4 (<= (+ ~a23~0 43) 0)) (.cse0 (<= ~a4~0 0)) (.cse2 (= 1 ~a4~0))) (or (and .cse0 (and (= 10 ~a25~0) .cse1)) (and .cse1 .cse2) (and (not .cse3) (and .cse1 .cse4)) (and (not .cse5) .cse2) (and .cse3 .cse6 .cse0) (and .cse1 .cse6 .cse0) (and .cse5 .cse0) (and .cse4 .cse0) (and .cse2 (< 138 ~a23~0)))) [2019-10-22 08:59:05,069 INFO L443 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,069 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,069 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,069 INFO L443 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,069 INFO L443 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,069 INFO L443 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,069 INFO L443 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,069 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,069 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,070 INFO L443 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,071 INFO L443 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,071 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,071 INFO L443 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,071 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-10-22 08:59:05,071 INFO L443 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2019-10-22 08:59:05,071 INFO L443 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2019-10-22 08:59:05,075 INFO L443 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2019-10-22 08:59:05,076 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,076 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,076 INFO L443 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,076 INFO L443 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,076 INFO L443 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,076 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-10-22 08:59:05,076 INFO L443 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2019-10-22 08:59:05,076 INFO L443 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-10-22 08:59:05,076 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,076 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,077 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,077 INFO L443 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,077 INFO L443 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2019-10-22 08:59:05,077 INFO L443 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2019-10-22 08:59:05,077 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,077 INFO L443 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,077 INFO L443 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,077 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,077 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,078 INFO L443 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,079 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-10-22 08:59:05,079 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-10-22 08:59:05,079 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-22 08:59:05,079 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2019-10-22 08:59:05,079 INFO L443 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2019-10-22 08:59:05,079 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2019-10-22 08:59:05,079 INFO L443 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2019-10-22 08:59:05,079 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,079 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,080 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:59:05,080 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2019-10-22 08:59:05,080 INFO L443 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2019-10-22 08:59:05,080 INFO L443 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,080 INFO L443 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,080 INFO L443 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,080 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,080 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,080 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,081 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 126) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,082 INFO L443 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2019-10-22 08:59:05,083 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,084 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,085 INFO L443 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,086 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2019-10-22 08:59:05,086 INFO L443 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2019-10-22 08:59:05,086 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,086 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,086 INFO L443 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,086 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,086 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,086 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,086 INFO L443 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-10-22 08:59:05,087 INFO L443 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2019-10-22 08:59:05,087 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2019-10-22 08:59:05,087 INFO L443 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2019-10-22 08:59:05,087 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,087 INFO L443 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,088 INFO L443 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,089 INFO L443 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,089 INFO L443 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,089 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,089 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,089 INFO L443 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,089 INFO L443 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2019-10-22 08:59:05,089 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-22 08:59:05,089 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2019-10-22 08:59:05,089 INFO L443 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2019-10-22 08:59:05,089 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2019-10-22 08:59:05,090 INFO L443 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2019-10-22 08:59:05,090 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,090 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,090 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,090 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,090 INFO L443 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,090 INFO L443 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,090 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,090 INFO L443 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-10-22 08:59:05,091 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-22 08:59:05,091 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:59:05,091 INFO L443 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,091 INFO L443 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,091 INFO L443 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,091 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,091 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,091 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,091 INFO L443 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-10-22 08:59:05,091 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-22 08:59:05,092 INFO L443 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,092 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,092 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,092 INFO L443 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,092 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,092 INFO L443 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,092 INFO L443 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,092 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2019-10-22 08:59:05,092 INFO L443 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,092 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,093 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,093 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-22 08:59:05,093 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-22 08:59:05,093 INFO L443 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-10-22 08:59:05,093 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,093 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2019-10-22 08:59:05,093 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,093 INFO L443 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2019-10-22 08:59:05,093 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,094 INFO L443 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,094 INFO L443 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,094 INFO L443 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,094 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,094 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,094 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-10-22 08:59:05,094 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-22 08:59:05,094 INFO L443 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-10-22 08:59:05,094 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,094 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,095 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,095 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:59:05,095 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,095 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,095 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,096 INFO L443 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,096 INFO L443 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,097 INFO L443 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,098 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,098 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,098 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,098 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-10-22 08:59:05,098 INFO L443 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2019-10-22 08:59:05,098 INFO L443 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2019-10-22 08:59:05,098 INFO L443 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,098 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,098 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,099 INFO L439 ceAbstractionStarter]: At program point L1025(lines 22 1026) the Hoare annotation is: (let ((.cse3 (= ~a25~0 13)) (.cse1 (<= ~a29~0 140)) (.cse6 (<= ~a23~0 312)) (.cse5 (= 12 ~a25~0)) (.cse4 (<= (+ ~a23~0 43) 0)) (.cse0 (<= ~a4~0 0)) (.cse2 (= 1 ~a4~0))) (or (and .cse0 (and (= 10 ~a25~0) .cse1)) (and .cse1 .cse2) (and (not .cse3) (and .cse1 .cse4)) (and (not .cse5) .cse2) (and .cse3 .cse6 .cse0) (and .cse1 .cse6 .cse0) (and .cse5 .cse0) (and .cse4 .cse0) (and .cse2 (< 138 ~a23~0)))) [2019-10-22 08:59:05,099 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,099 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2019-10-22 08:59:05,099 INFO L443 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2019-10-22 08:59:05,099 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,099 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,099 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2019-10-22 08:59:05,099 INFO L443 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,099 INFO L443 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,100 INFO L443 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2019-10-22 08:59:05,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:59:05 BoogieIcfgContainer [2019-10-22 08:59:05,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:59:05,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:59:05,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:59:05,120 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:59:05,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:49" (3/4) ... [2019-10-22 08:59:05,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:59:05,146 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:59:05,148 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:59:05,359 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_527a933a-b3da-4a50-a28c-13dc32fb1b82/bin/uautomizer/witness.graphml [2019-10-22 08:59:05,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:59:05,361 INFO L168 Benchmark]: Toolchain (without parser) took 18346.33 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 622.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -189.9 MB). Peak memory consumption was 432.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:05,361 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:59:05,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 964.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:05,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:05,362 INFO L168 Benchmark]: Boogie Preprocessor took 115.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:05,362 INFO L168 Benchmark]: RCFGBuilder took 1642.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 888.3 MB in the end (delta: 179.3 MB). Peak memory consumption was 179.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:05,363 INFO L168 Benchmark]: TraceAbstraction took 15249.55 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 482.9 MB). Free memory was 888.3 MB in the beginning and 1.2 GB in the end (delta: -279.5 MB). Peak memory consumption was 203.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:05,363 INFO L168 Benchmark]: Witness Printer took 239.93 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:59:05,365 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 964.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -151.1 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 129.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 115.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1642.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 888.3 MB in the end (delta: 179.3 MB). Peak memory consumption was 179.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15249.55 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 482.9 MB). Free memory was 888.3 MB in the beginning and 1.2 GB in the end (delta: -279.5 MB). Peak memory consumption was 203.4 MB. Max. memory is 11.5 GB. * Witness Printer took 239.93 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 126]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: ((((((((a4 <= 0 && 10 == a25 && a29 <= 140) || (a29 <= 140 && 1 == a4)) || (!(a25 == 13) && a29 <= 140 && a23 + 43 <= 0)) || (!(12 == a25) && 1 == a4)) || ((a25 == 13 && a23 <= 312) && a4 <= 0)) || ((a29 <= 140 && a23 <= 312) && a4 <= 0)) || (12 == a25 && a4 <= 0)) || (a23 + 43 <= 0 && a4 <= 0)) || (1 == a4 && 138 < a23) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((((((((a4 <= 0 && 10 == a25 && a29 <= 140) || (a29 <= 140 && 1 == a4)) || (!(a25 == 13) && a29 <= 140 && a23 + 43 <= 0)) || (!(12 == a25) && 1 == a4)) || ((a25 == 13 && a23 <= 312) && a4 <= 0)) || ((a29 <= 140 && a23 <= 312) && a4 <= 0)) || (12 == a25 && a4 <= 0)) || (a23 + 43 <= 0 && a4 <= 0)) || (1 == a4 && 138 < a23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Result: SAFE, OverallTime: 15.1s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 11.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1042 SDtfs, 2467 SDslu, 340 SDs, 0 SdLazy, 7638 SolverSat, 1872 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 297 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9840occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 3936 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 118 NumberOfFragments, 169 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4004 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 766 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2077 NumberOfCodeBlocks, 2077 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2068 ConstructedInterpolants, 0 QuantifiedInterpolants, 1312457 SizeOfPredicates, 1 NumberOfNonLiveVariables, 387 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 1495/1499 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...