./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label17.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/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 aac67f6dc6529e5dab098a5e1960c3e19b78df96 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:44:11,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:44:11,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:44:11,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:44:11,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:44:11,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:44:11,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:44:11,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:44:11,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:44:11,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:44:11,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:44:11,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:44:11,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:44:11,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:44:11,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:44:11,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:44:11,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:44:11,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:44:11,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:44:11,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:44:11,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:44:11,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:44:11,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:44:11,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:44:11,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:44:11,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:44:11,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:44:11,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:44:11,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:44:11,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:44:11,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:44:11,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:44:11,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:44:11,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:44:11,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:44:11,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:44:11,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:44:11,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:44:11,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:44:11,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:44:11,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:44:11,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:44:11,671 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:44:11,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:44:11,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:44:11,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:44:11,672 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:44:11,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:44:11,673 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:44:11,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:44:11,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:44:11,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:44:11,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:44:11,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:44:11,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:44:11,674 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:44:11,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:44:11,675 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:44:11,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:44:11,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:44:11,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:44:11,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:44:11,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:44:11,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:44:11,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:44:11,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:44:11,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:44:11,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:44:11,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:44:11,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:44:11,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:44:11,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/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 -> aac67f6dc6529e5dab098a5e1960c3e19b78df96 [2019-12-07 17:44:11,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:44:11,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:44:11,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:44:11,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:44:11,805 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:44:11,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label17.c [2019-12-07 17:44:11,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/data/2169423d8/6c29d596325c457fa90fa260f8bea5c1/FLAG37566e695 [2019-12-07 17:44:12,318 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:44:12,319 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/sv-benchmarks/c/eca-rers2012/Problem01_label17.c [2019-12-07 17:44:12,327 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/data/2169423d8/6c29d596325c457fa90fa260f8bea5c1/FLAG37566e695 [2019-12-07 17:44:12,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/data/2169423d8/6c29d596325c457fa90fa260f8bea5c1 [2019-12-07 17:44:12,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:44:12,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:44:12,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:44:12,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:44:12,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:44:12,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:12,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d3b949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12, skipping insertion in model container [2019-12-07 17:44:12,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:12,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:44:12,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:44:12,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:44:12,912 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:44:12,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:44:12,975 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:44:12,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12 WrapperNode [2019-12-07 17:44:12,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:44:12,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:44:12,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:44:12,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:44:12,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:12,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:13,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:44:13,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:44:13,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:44:13,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:44:13,035 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:13,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:13,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:13,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:13,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:13,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:13,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (1/1) ... [2019-12-07 17:44:13,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:44:13,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:44:13,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:44:13,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:44:13,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:44:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:44:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:44:13,715 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:44:13,715 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:44:13,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:44:13 BoogieIcfgContainer [2019-12-07 17:44:13,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:44:13,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:44:13,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:44:13,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:44:13,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:44:12" (1/3) ... [2019-12-07 17:44:13,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd77a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:44:13, skipping insertion in model container [2019-12-07 17:44:13,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:44:12" (2/3) ... [2019-12-07 17:44:13,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dd77a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:44:13, skipping insertion in model container [2019-12-07 17:44:13,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:44:13" (3/3) ... [2019-12-07 17:44:13,723 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label17.c [2019-12-07 17:44:13,732 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:44:13,739 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:44:13,750 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:44:13,769 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:44:13,770 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:44:13,770 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:44:13,770 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:44:13,770 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:44:13,770 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:44:13,770 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:44:13,770 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:44:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-12-07 17:44:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-07 17:44:13,796 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:44:13,797 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:44:13,797 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:44:13,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:44:13,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1514784255, now seen corresponding path program 1 times [2019-12-07 17:44:13,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:44:13,809 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394734558] [2019-12-07 17:44:13,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:44:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:44:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:44:14,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394734558] [2019-12-07 17:44:14,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:44:14,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:44:14,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075907859] [2019-12-07 17:44:14,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:44:14,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:44:14,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:44:14,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:44:14,088 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-12-07 17:44:14,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:44:14,773 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-12-07 17:44:14,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:44:14,775 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 116 [2019-12-07 17:44:14,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:44:14,789 INFO L225 Difference]: With dead ends: 662 [2019-12-07 17:44:14,789 INFO L226 Difference]: Without dead ends: 397 [2019-12-07 17:44:14,792 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:44:14,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-12-07 17:44:14,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-12-07 17:44:14,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-12-07 17:44:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 553 transitions. [2019-12-07 17:44:14,846 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 553 transitions. Word has length 116 [2019-12-07 17:44:14,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:44:14,846 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 553 transitions. [2019-12-07 17:44:14,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:44:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 553 transitions. [2019-12-07 17:44:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-07 17:44:14,850 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:44:14,851 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:44:14,851 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:44:14,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:44:14,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1017148654, now seen corresponding path program 1 times [2019-12-07 17:44:14,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:44:14,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244365886] [2019-12-07 17:44:14,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:44:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:44:14,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:44:14,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244365886] [2019-12-07 17:44:14,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:44:14,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:44:14,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990914838] [2019-12-07 17:44:14,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:44:14,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:44:14,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:44:14,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:44:14,979 INFO L87 Difference]: Start difference. First operand 397 states and 553 transitions. Second operand 4 states. [2019-12-07 17:44:15,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:44:15,466 INFO L93 Difference]: Finished difference Result 1447 states and 2019 transitions. [2019-12-07 17:44:15,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:44:15,466 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2019-12-07 17:44:15,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:44:15,472 INFO L225 Difference]: With dead ends: 1447 [2019-12-07 17:44:15,472 INFO L226 Difference]: Without dead ends: 1052 [2019-12-07 17:44:15,473 INFO L630 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 [2019-12-07 17:44:15,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-12-07 17:44:15,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 790. [2019-12-07 17:44:15,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-12-07 17:44:15,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1048 transitions. [2019-12-07 17:44:15,499 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1048 transitions. Word has length 123 [2019-12-07 17:44:15,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:44:15,500 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1048 transitions. [2019-12-07 17:44:15,500 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:44:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1048 transitions. [2019-12-07 17:44:15,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-07 17:44:15,503 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:44:15,503 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:44:15,503 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:44:15,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:44:15,504 INFO L82 PathProgramCache]: Analyzing trace with hash -919287317, now seen corresponding path program 1 times [2019-12-07 17:44:15,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:44:15,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081540840] [2019-12-07 17:44:15,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:44:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:44:15,542 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-07 17:44:15,542 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081540840] [2019-12-07 17:44:15,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:44:15,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:44:15,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974998883] [2019-12-07 17:44:15,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:44:15,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:44:15,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:44:15,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:44:15,543 INFO L87 Difference]: Start difference. First operand 790 states and 1048 transitions. Second operand 4 states. [2019-12-07 17:44:15,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:44:15,912 INFO L93 Difference]: Finished difference Result 1709 states and 2261 transitions. [2019-12-07 17:44:15,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:44:15,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-12-07 17:44:15,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:44:15,916 INFO L225 Difference]: With dead ends: 1709 [2019-12-07 17:44:15,916 INFO L226 Difference]: Without dead ends: 921 [2019-12-07 17:44:15,917 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:44:15,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2019-12-07 17:44:15,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2019-12-07 17:44:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2019-12-07 17:44:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1167 transitions. [2019-12-07 17:44:15,931 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1167 transitions. Word has length 134 [2019-12-07 17:44:15,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:44:15,932 INFO L462 AbstractCegarLoop]: Abstraction has 921 states and 1167 transitions. [2019-12-07 17:44:15,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:44:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1167 transitions. [2019-12-07 17:44:15,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-07 17:44:15,933 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:44:15,934 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:44:15,934 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:44:15,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:44:15,934 INFO L82 PathProgramCache]: Analyzing trace with hash -591434096, now seen corresponding path program 1 times [2019-12-07 17:44:15,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:44:15,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731848455] [2019-12-07 17:44:15,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:44:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:44:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 17:44:15,984 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731848455] [2019-12-07 17:44:15,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:44:15,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:44:15,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64880868] [2019-12-07 17:44:15,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:44:15,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:44:15,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:44:15,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:44:15,986 INFO L87 Difference]: Start difference. First operand 921 states and 1167 transitions. Second operand 3 states. [2019-12-07 17:44:16,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:44:16,318 INFO L93 Difference]: Finished difference Result 2495 states and 3186 transitions. [2019-12-07 17:44:16,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:44:16,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-12-07 17:44:16,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:44:16,323 INFO L225 Difference]: With dead ends: 2495 [2019-12-07 17:44:16,323 INFO L226 Difference]: Without dead ends: 1445 [2019-12-07 17:44:16,325 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:44:16,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2019-12-07 17:44:16,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1314. [2019-12-07 17:44:16,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2019-12-07 17:44:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1519 transitions. [2019-12-07 17:44:16,346 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1519 transitions. Word has length 136 [2019-12-07 17:44:16,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:44:16,347 INFO L462 AbstractCegarLoop]: Abstraction has 1314 states and 1519 transitions. [2019-12-07 17:44:16,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:44:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1519 transitions. [2019-12-07 17:44:16,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-07 17:44:16,349 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:44:16,349 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:44:16,350 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:44:16,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:44:16,350 INFO L82 PathProgramCache]: Analyzing trace with hash 970078500, now seen corresponding path program 1 times [2019-12-07 17:44:16,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:44:16,350 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417432871] [2019-12-07 17:44:16,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:44:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:44:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-07 17:44:16,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417432871] [2019-12-07 17:44:16,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:44:16,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:44:16,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128876294] [2019-12-07 17:44:16,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:44:16,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:44:16,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:44:16,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:44:16,443 INFO L87 Difference]: Start difference. First operand 1314 states and 1519 transitions. Second operand 4 states. [2019-12-07 17:44:16,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:44:16,850 INFO L93 Difference]: Finished difference Result 2762 states and 3183 transitions. [2019-12-07 17:44:16,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:44:16,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2019-12-07 17:44:16,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:44:16,855 INFO L225 Difference]: With dead ends: 2762 [2019-12-07 17:44:16,856 INFO L226 Difference]: Without dead ends: 1450 [2019-12-07 17:44:16,857 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:44:16,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2019-12-07 17:44:16,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1445. [2019-12-07 17:44:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-12-07 17:44:16,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1653 transitions. [2019-12-07 17:44:16,878 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1653 transitions. Word has length 144 [2019-12-07 17:44:16,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:44:16,879 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1653 transitions. [2019-12-07 17:44:16,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:44:16,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1653 transitions. [2019-12-07 17:44:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-07 17:44:16,881 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:44:16,881 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:44:16,881 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:44:16,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:44:16,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1716019364, now seen corresponding path program 1 times [2019-12-07 17:44:16,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:44:16,882 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256220385] [2019-12-07 17:44:16,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:44:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:44:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-07 17:44:16,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256220385] [2019-12-07 17:44:16,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:44:16,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:44:16,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466019754] [2019-12-07 17:44:16,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:44:16,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:44:16,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:44:16,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:44:16,935 INFO L87 Difference]: Start difference. First operand 1445 states and 1653 transitions. Second operand 5 states. [2019-12-07 17:44:17,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:44:17,574 INFO L93 Difference]: Finished difference Result 3019 states and 3466 transitions. [2019-12-07 17:44:17,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:44:17,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2019-12-07 17:44:17,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:44:17,582 INFO L225 Difference]: With dead ends: 3019 [2019-12-07 17:44:17,582 INFO L226 Difference]: Without dead ends: 1707 [2019-12-07 17:44:17,592 INFO L630 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 [2019-12-07 17:44:17,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-12-07 17:44:17,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2019-12-07 17:44:17,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-12-07 17:44:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1782 transitions. [2019-12-07 17:44:17,616 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1782 transitions. Word has length 148 [2019-12-07 17:44:17,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:44:17,616 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1782 transitions. [2019-12-07 17:44:17,616 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:44:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1782 transitions. [2019-12-07 17:44:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-07 17:44:17,619 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:44:17,619 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:44:17,619 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:44:17,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:44:17,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1859761211, now seen corresponding path program 1 times [2019-12-07 17:44:17,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:44:17,620 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9714542] [2019-12-07 17:44:17,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:44:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:44:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:44:17,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9714542] [2019-12-07 17:44:17,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:44:17,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:44:17,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071694786] [2019-12-07 17:44:17,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:44:17,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:44:17,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:44:17,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:44:17,688 INFO L87 Difference]: Start difference. First operand 1576 states and 1782 transitions. Second operand 5 states. [2019-12-07 17:44:18,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:44:18,227 INFO L93 Difference]: Finished difference Result 4067 states and 4679 transitions. [2019-12-07 17:44:18,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:44:18,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2019-12-07 17:44:18,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:44:18,236 INFO L225 Difference]: With dead ends: 4067 [2019-12-07 17:44:18,236 INFO L226 Difference]: Without dead ends: 2624 [2019-12-07 17:44:18,237 INFO L630 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 [2019-12-07 17:44:18,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2019-12-07 17:44:18,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2231. [2019-12-07 17:44:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2019-12-07 17:44:18,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2479 transitions. [2019-12-07 17:44:18,267 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2479 transitions. Word has length 166 [2019-12-07 17:44:18,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:44:18,267 INFO L462 AbstractCegarLoop]: Abstraction has 2231 states and 2479 transitions. [2019-12-07 17:44:18,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:44:18,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2479 transitions. [2019-12-07 17:44:18,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-12-07 17:44:18,271 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:44:18,271 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2019-12-07 17:44:18,271 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:44:18,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:44:18,271 INFO L82 PathProgramCache]: Analyzing trace with hash -374040019, now seen corresponding path program 1 times [2019-12-07 17:44:18,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:44:18,272 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209471991] [2019-12-07 17:44:18,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:44:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:44:18,388 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 173 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-07 17:44:18,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209471991] [2019-12-07 17:44:18,389 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908052377] [2019-12-07 17:44:18,389 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/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 [2019-12-07 17:44:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:44:18,473 INFO L264 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:44:18,485 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:44:18,580 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-12-07 17:44:18,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:44:18,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-12-07 17:44:18,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806715798] [2019-12-07 17:44:18,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:44:18,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:44:18,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:44:18,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:44:18,581 INFO L87 Difference]: Start difference. First operand 2231 states and 2479 transitions. Second operand 3 states. [2019-12-07 17:44:18,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:44:18,868 INFO L93 Difference]: Finished difference Result 4458 states and 4974 transitions. [2019-12-07 17:44:18,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:44:18,868 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2019-12-07 17:44:18,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:44:18,869 INFO L225 Difference]: With dead ends: 4458 [2019-12-07 17:44:18,869 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:44:18,871 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:44:18,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:44:18,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:44:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:44:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:44:18,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2019-12-07 17:44:18,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:44:18,872 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:44:18,872 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:44:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:44:18,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:44:19,073 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:44:19,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-12-07 17:44:19,158 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-12-07 17:44:19,159 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,160 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1)) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1 (= 15 ~a8~0)) (= 13 ~a8~0) (and .cse0 .cse1 (= ~a20~0 1)) (<= ~a17~0 0))) [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,161 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-12-07 17:44:19,162 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,163 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-12-07 17:44:19,164 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a17~0 1)) (.cse1 (= ~a21~0 1))) (or (and .cse0 .cse1 (= 15 ~a8~0)) (= 13 ~a8~0) (and .cse0 .cse1 (= ~a20~0 1)) (<= ~a17~0 0))) [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-12-07 17:44:19,165 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-12-07 17:44:19,166 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-12-07 17:44:19,167 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-12-07 17:44:19,168 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,169 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-12-07 17:44:19,170 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-12-07 17:44:19,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:44:19 BoogieIcfgContainer [2019-12-07 17:44:19,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:44:19,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:44:19,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:44:19,185 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:44:19,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:44:13" (3/4) ... [2019-12-07 17:44:19,188 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:44:19,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 17:44:19,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:44:19,340 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ee8f97e5-e4f6-4a27-8051-e9e147c4d6ca/bin/uautomizer/witness.graphml [2019-12-07 17:44:19,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:44:19,342 INFO L168 Benchmark]: Toolchain (without parser) took 6710.05 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 253.8 MB). Free memory was 928.7 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 115.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:44:19,342 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:44:19,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 928.7 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:44:19,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.65 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:44:19,343 INFO L168 Benchmark]: Boogie Preprocessor took 36.94 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:44:19,343 INFO L168 Benchmark]: RCFGBuilder took 651.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.0 MB in the end (delta: 115.6 MB). Peak memory consumption was 115.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:44:19,343 INFO L168 Benchmark]: TraceAbstraction took 5466.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.1 MB). Free memory was 979.0 MB in the beginning and 1.1 GB in the end (delta: -107.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:44:19,344 INFO L168 Benchmark]: Witness Printer took 155.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:44:19,345 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 928.7 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.65 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.94 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 651.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 979.0 MB in the end (delta: 115.6 MB). Peak memory consumption was 115.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5466.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 120.1 MB). Free memory was 979.0 MB in the beginning and 1.1 GB in the end (delta: -107.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Witness Printer took 155.72 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((a17 == 1 && a21 == 1) && 15 == a8) || 13 == a8) || ((a17 == 1 && a21 == 1) && a20 == 1)) || a17 <= 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((a17 == 1 && a21 == 1) && 15 == a8) || 13 == a8) || ((a17 == 1 && a21 == 1) && a20 == 1)) || a17 <= 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 5.3s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 443 SDtfs, 1774 SDslu, 104 SDs, 0 SdLazy, 4832 SolverSat, 662 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 240 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2231occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 922 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 55 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1037 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1431 NumberOfCodeBlocks, 1431 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1422 ConstructedInterpolants, 0 QuantifiedInterpolants, 530865 SizeOfPredicates, 1 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 655/682 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...