./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/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 5f33d9d2272db58cdcc380fb222b6c55f6d85db9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:40,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:40,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:40,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:40,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:40,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:40,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:40,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:40,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:40,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:40,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:40,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:40,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:40,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:40,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:40,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:40,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:40,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:40,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:40,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:40,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:40,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:40,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:40,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:40,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:40,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:40,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:40,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:40,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:40,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:40,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:40,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:40,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:40,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:40,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:40,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:40,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:40,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:40,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:40,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:40,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:40,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:40,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:40,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:40,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:40,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:40,593 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:40,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:40,593 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:40,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:40,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:40,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:40,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:40,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:40,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:40,594 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:40,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:40,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:40,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:40,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:40,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:40,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:40,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:40,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:40,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:40,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:40,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:40,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:40,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:40,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:40,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/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 -> 5f33d9d2272db58cdcc380fb222b6c55f6d85db9 [2019-10-22 09:01:40,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:40,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:40,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:40,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:40,635 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:40,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2019-10-22 09:01:40,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/data/d4a1e878c/595dae6dc7c0482c92957758251708e3/FLAG1d59ce169 [2019-10-22 09:01:41,195 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:41,196 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2019-10-22 09:01:41,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/data/d4a1e878c/595dae6dc7c0482c92957758251708e3/FLAG1d59ce169 [2019-10-22 09:01:41,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/data/d4a1e878c/595dae6dc7c0482c92957758251708e3 [2019-10-22 09:01:41,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:41,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:41,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:41,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:41,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:41,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d45d96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:41, skipping insertion in model container [2019-10-22 09:01:41,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:41" (1/1) ... [2019-10-22 09:01:41,680 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:41,728 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:42,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:42,193 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:42,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:42,349 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:42,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42 WrapperNode [2019-10-22 09:01:42,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:42,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:42,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:42,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:42,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (1/1) ... [2019-10-22 09:01:42,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (1/1) ... [2019-10-22 09:01:42,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:42,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:42,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:42,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:42,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (1/1) ... [2019-10-22 09:01:42,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (1/1) ... [2019-10-22 09:01:42,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (1/1) ... [2019-10-22 09:01:42,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (1/1) ... [2019-10-22 09:01:42,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (1/1) ... [2019-10-22 09:01:42,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (1/1) ... [2019-10-22 09:01:42,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (1/1) ... [2019-10-22 09:01:42,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:42,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:42,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:42,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:42,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:42,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:43,989 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:43,990 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:01:43,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:43 BoogieIcfgContainer [2019-10-22 09:01:43,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:43,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:43,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:43,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:43,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:41" (1/3) ... [2019-10-22 09:01:43,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4904c96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:43, skipping insertion in model container [2019-10-22 09:01:43,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:42" (2/3) ... [2019-10-22 09:01:43,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4904c96e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:43, skipping insertion in model container [2019-10-22 09:01:43,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:43" (3/3) ... [2019-10-22 09:01:44,000 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label33.c [2019-10-22 09:01:44,009 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:44,017 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:01:44,028 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:01:44,053 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:44,053 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:44,054 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:44,054 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:44,054 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:44,054 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:44,054 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:44,054 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:44,074 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-10-22 09:01:44,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-22 09:01:44,083 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:44,084 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:44,085 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:44,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:44,091 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2019-10-22 09:01:44,100 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:44,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117684331] [2019-10-22 09:01:44,101 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,101 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:44,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:44,345 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117684331] [2019-10-22 09:01:44,346 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:44,346 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:44,346 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379739924] [2019-10-22 09:01:44,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:44,351 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:44,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:44,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:44,368 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-10-22 09:01:46,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:46,205 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-10-22 09:01:46,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:46,207 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2019-10-22 09:01:46,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:46,226 INFO L225 Difference]: With dead ends: 850 [2019-10-22 09:01:46,230 INFO L226 Difference]: Without dead ends: 538 [2019-10-22 09:01:46,235 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:46,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-10-22 09:01:46,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-10-22 09:01:46,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-22 09:01:46,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 826 transitions. [2019-10-22 09:01:46,322 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 826 transitions. Word has length 58 [2019-10-22 09:01:46,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:46,322 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 826 transitions. [2019-10-22 09:01:46,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:46,323 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 826 transitions. [2019-10-22 09:01:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-22 09:01:46,332 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:46,333 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:46,334 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:46,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:46,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1456839573, now seen corresponding path program 1 times [2019-10-22 09:01:46,334 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:46,335 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242508421] [2019-10-22 09:01:46,335 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:46,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:46,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:46,530 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-10-22 09:01:46,531 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242508421] [2019-10-22 09:01:46,531 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:46,531 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:46,531 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22933946] [2019-10-22 09:01:46,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:46,534 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:46,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:46,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:46,535 INFO L87 Difference]: Start difference. First operand 538 states and 826 transitions. Second operand 4 states. [2019-10-22 09:01:47,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:47,623 INFO L93 Difference]: Finished difference Result 1964 states and 3003 transitions. [2019-10-22 09:01:47,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:47,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 193 [2019-10-22 09:01:47,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:47,631 INFO L225 Difference]: With dead ends: 1964 [2019-10-22 09:01:47,631 INFO L226 Difference]: Without dead ends: 1428 [2019-10-22 09:01:47,634 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:47,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2019-10-22 09:01:47,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2019-10-22 09:01:47,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-10-22 09:01:47,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2029 transitions. [2019-10-22 09:01:47,714 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2029 transitions. Word has length 193 [2019-10-22 09:01:47,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:47,716 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 2029 transitions. [2019-10-22 09:01:47,716 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2029 transitions. [2019-10-22 09:01:47,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-22 09:01:47,727 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:47,729 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:47,730 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:47,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:47,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1047169737, now seen corresponding path program 1 times [2019-10-22 09:01:47,731 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:47,731 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266457978] [2019-10-22 09:01:47,731 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:47,731 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:47,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-10-22 09:01:47,941 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266457978] [2019-10-22 09:01:47,941 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:47,941 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:47,942 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816243520] [2019-10-22 09:01:47,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:47,942 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:47,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:47,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:47,943 INFO L87 Difference]: Start difference. First operand 1428 states and 2029 transitions. Second operand 4 states. [2019-10-22 09:01:49,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:49,087 INFO L93 Difference]: Finished difference Result 4456 states and 6356 transitions. [2019-10-22 09:01:49,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:01:49,088 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 196 [2019-10-22 09:01:49,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:49,098 INFO L225 Difference]: With dead ends: 4456 [2019-10-22 09:01:49,098 INFO L226 Difference]: Without dead ends: 3030 [2019-10-22 09:01:49,101 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:49,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-10-22 09:01:49,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2674. [2019-10-22 09:01:49,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-10-22 09:01:49,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3515 transitions. [2019-10-22 09:01:49,158 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3515 transitions. Word has length 196 [2019-10-22 09:01:49,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:49,158 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 3515 transitions. [2019-10-22 09:01:49,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:49,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3515 transitions. [2019-10-22 09:01:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-10-22 09:01:49,163 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:49,163 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:01:49,163 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:49,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:49,164 INFO L82 PathProgramCache]: Analyzing trace with hash -847501807, now seen corresponding path program 1 times [2019-10-22 09:01:49,164 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:49,164 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022102136] [2019-10-22 09:01:49,164 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,164 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:49,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 257 proven. 4 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2019-10-22 09:01:49,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022102136] [2019-10-22 09:01:49,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005659449] [2019-10-22 09:01:49,504 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:49,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 09:01:49,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 264 proven. 42 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-10-22 09:01:49,882 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:01:49,882 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-10-22 09:01:49,883 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212775679] [2019-10-22 09:01:49,884 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:01:49,885 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:49,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:01:49,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:49,886 INFO L87 Difference]: Start difference. First operand 2674 states and 3515 transitions. Second operand 8 states. [2019-10-22 09:01:52,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:52,997 INFO L93 Difference]: Finished difference Result 7405 states and 9766 transitions. [2019-10-22 09:01:52,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 09:01:52,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 316 [2019-10-22 09:01:52,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:53,013 INFO L225 Difference]: With dead ends: 7405 [2019-10-22 09:01:53,014 INFO L226 Difference]: Without dead ends: 4632 [2019-10-22 09:01:53,017 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 316 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-10-22 09:01:53,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4632 states. [2019-10-22 09:01:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4632 to 3386. [2019-10-22 09:01:53,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-10-22 09:01:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3784 transitions. [2019-10-22 09:01:53,104 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3784 transitions. Word has length 316 [2019-10-22 09:01:53,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:53,105 INFO L462 AbstractCegarLoop]: Abstraction has 3386 states and 3784 transitions. [2019-10-22 09:01:53,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:01:53,105 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3784 transitions. [2019-10-22 09:01:53,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-10-22 09:01:53,114 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:53,114 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:01:53,315 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:53,316 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:53,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:53,317 INFO L82 PathProgramCache]: Analyzing trace with hash -928966034, now seen corresponding path program 1 times [2019-10-22 09:01:53,317 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:53,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353429206] [2019-10-22 09:01:53,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:53,318 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:53,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 528 proven. 4 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-10-22 09:01:54,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353429206] [2019-10-22 09:01:54,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446452772] [2019-10-22 09:01:54,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:54,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-22 09:01:54,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 351 proven. 120 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-10-22 09:01:54,465 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:01:54,465 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2019-10-22 09:01:54,466 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424199412] [2019-10-22 09:01:54,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 09:01:54,467 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:54,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 09:01:54,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:01:54,468 INFO L87 Difference]: Start difference. First operand 3386 states and 3784 transitions. Second operand 9 states. [2019-10-22 09:01:57,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:57,166 INFO L93 Difference]: Finished difference Result 7396 states and 8293 transitions. [2019-10-22 09:01:57,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 09:01:57,166 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 452 [2019-10-22 09:01:57,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:57,177 INFO L225 Difference]: With dead ends: 7396 [2019-10-22 09:01:57,177 INFO L226 Difference]: Without dead ends: 3570 [2019-10-22 09:01:57,181 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2019-10-22 09:01:57,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2019-10-22 09:01:57,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 3386. [2019-10-22 09:01:57,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-10-22 09:01:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3704 transitions. [2019-10-22 09:01:57,252 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3704 transitions. Word has length 452 [2019-10-22 09:01:57,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:57,253 INFO L462 AbstractCegarLoop]: Abstraction has 3386 states and 3704 transitions. [2019-10-22 09:01:57,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 09:01:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3704 transitions. [2019-10-22 09:01:57,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 777 [2019-10-22 09:01:57,274 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:57,274 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:57,475 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:57,475 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:57,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:57,476 INFO L82 PathProgramCache]: Analyzing trace with hash 834153617, now seen corresponding path program 1 times [2019-10-22 09:01:57,476 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:57,476 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449936783] [2019-10-22 09:01:57,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:57,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:57,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1873 backedges. 1357 proven. 0 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2019-10-22 09:01:58,871 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449936783] [2019-10-22 09:01:58,871 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:58,871 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 09:01:58,871 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032024679] [2019-10-22 09:01:58,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:01:58,872 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:58,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:01:58,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:58,873 INFO L87 Difference]: Start difference. First operand 3386 states and 3704 transitions. Second operand 8 states. [2019-10-22 09:02:00,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:00,093 INFO L93 Difference]: Finished difference Result 6601 states and 7236 transitions. [2019-10-22 09:02:00,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 09:02:00,093 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 776 [2019-10-22 09:02:00,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:00,103 INFO L225 Difference]: With dead ends: 6601 [2019-10-22 09:02:00,104 INFO L226 Difference]: Without dead ends: 3395 [2019-10-22 09:02:00,107 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-10-22 09:02:00,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3395 states. [2019-10-22 09:02:00,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3395 to 3386. [2019-10-22 09:02:00,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-10-22 09:02:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3699 transitions. [2019-10-22 09:02:00,173 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3699 transitions. Word has length 776 [2019-10-22 09:02:00,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:00,175 INFO L462 AbstractCegarLoop]: Abstraction has 3386 states and 3699 transitions. [2019-10-22 09:02:00,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:02:00,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3699 transitions. [2019-10-22 09:02:00,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 803 [2019-10-22 09:02:00,183 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:00,184 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:00,184 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:00,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:00,184 INFO L82 PathProgramCache]: Analyzing trace with hash -649818830, now seen corresponding path program 1 times [2019-10-22 09:02:00,184 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:00,185 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949477846] [2019-10-22 09:02:00,185 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:00,185 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:00,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1899 backedges. 1374 proven. 155 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2019-10-22 09:02:00,961 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949477846] [2019-10-22 09:02:00,961 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614727738] [2019-10-22 09:02:00,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:01,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:02:01,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1899 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2019-10-22 09:02:01,527 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:02:01,528 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-10-22 09:02:01,528 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236259241] [2019-10-22 09:02:01,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:01,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:01,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:01,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:01,530 INFO L87 Difference]: Start difference. First operand 3386 states and 3699 transitions. Second operand 3 states. [2019-10-22 09:02:02,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:02,072 INFO L93 Difference]: Finished difference Result 7480 states and 8205 transitions. [2019-10-22 09:02:02,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:02,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 802 [2019-10-22 09:02:02,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:02,075 INFO L225 Difference]: With dead ends: 7480 [2019-10-22 09:02:02,075 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:02:02,080 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 807 GetRequests, 803 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:02:02,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:02:02,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:02:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:02:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:02:02,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 802 [2019-10-22 09:02:02,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:02,083 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:02,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:02,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:02:02,284 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:02,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:02:02,481 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-10-22 09:02:02,481 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-10-22 09:02:02,481 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,481 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,481 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,481 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-10-22 09:02:02,481 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 09:02:02,482 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 09:02:02,482 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 09:02:02,482 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-10-22 09:02:02,482 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-10-22 09:02:02,482 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-10-22 09:02:02,482 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-10-22 09:02:02,482 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,482 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,482 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,482 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-10-22 09:02:02,483 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-10-22 09:02:02,483 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 09:02:02,483 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 09:02:02,483 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 09:02:02,483 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-10-22 09:02:02,483 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-10-22 09:02:02,484 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-10-22 09:02:02,484 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,484 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,484 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,484 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2019-10-22 09:02:02,484 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-10-22 09:02:02,484 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 09:02:02,485 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 09:02:02,485 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 09:02:02,485 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-10-22 09:02:02,485 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-10-22 09:02:02,485 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-10-22 09:02:02,485 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-10-22 09:02:02,485 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-10-22 09:02:02,485 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,485 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,486 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,486 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-10-22 09:02:02,486 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 09:02:02,486 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 09:02:02,486 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 09:02:02,486 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-10-22 09:02:02,486 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-10-22 09:02:02,486 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-10-22 09:02:02,486 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,486 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,487 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,487 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-10-22 09:02:02,487 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 09:02:02,487 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 09:02:02,487 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 09:02:02,488 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-10-22 09:02:02,488 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-10-22 09:02:02,488 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-10-22 09:02:02,488 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-10-22 09:02:02,488 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-10-22 09:02:02,488 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,488 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,489 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,489 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-10-22 09:02:02,489 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 09:02:02,489 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 09:02:02,489 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 09:02:02,489 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-10-22 09:02:02,489 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-10-22 09:02:02,489 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-10-22 09:02:02,489 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-10-22 09:02:02,489 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,490 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,490 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,490 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 09:02:02,490 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 09:02:02,490 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 09:02:02,490 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-10-22 09:02:02,490 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-10-22 09:02:02,490 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-10-22 09:02:02,490 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-10-22 09:02:02,490 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-10-22 09:02:02,491 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,491 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,491 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,491 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-10-22 09:02:02,491 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-10-22 09:02:02,492 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:02:02,492 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 09:02:02,492 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 09:02:02,492 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 09:02:02,492 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-10-22 09:02:02,492 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-10-22 09:02:02,492 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-10-22 09:02:02,492 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,492 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,493 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 09:02:02,494 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 09:02:02,495 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 09:02:02,495 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-10-22 09:02:02,495 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-10-22 09:02:02,495 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-10-22 09:02:02,495 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-10-22 09:02:02,496 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,496 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,496 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,496 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-10-22 09:02:02,496 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 09:02:02,496 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 09:02:02,496 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 09:02:02,496 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-10-22 09:02:02,496 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-10-22 09:02:02,497 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-10-22 09:02:02,498 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,498 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,498 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-10-22 09:02:02,498 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 09:02:02,498 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 09:02:02,498 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-10-22 09:02:02,498 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-10-22 09:02:02,498 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-10-22 09:02:02,498 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,498 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,499 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse2 (<= ~a21~0 8)) (.cse1 (not (= 6 ~a15~0)))) (or (and .cse0 .cse1) (and .cse0 (or (<= ~a12~0 11) (< 80 ~a12~0))) (and .cse2 .cse0) (and .cse2 (and .cse1 (<= (+ ~a12~0 49) 0))))) [2019-10-22 09:02:02,499 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-10-22 09:02:02,500 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-10-22 09:02:02,500 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 09:02:02,500 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 09:02:02,500 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-10-22 09:02:02,500 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-10-22 09:02:02,500 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-10-22 09:02:02,500 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-10-22 09:02:02,500 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,501 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,502 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-10-22 09:02:02,503 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1)) (.cse2 (<= ~a21~0 8)) (.cse1 (not (= 6 ~a15~0)))) (or (and .cse0 .cse1) (and .cse0 (or (<= ~a12~0 11) (< 80 ~a12~0))) (and .cse2 .cse0) (and .cse2 (and .cse1 (<= (+ ~a12~0 49) 0))))) [2019-10-22 09:02:02,503 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-10-22 09:02:02,503 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-10-22 09:02:02,503 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 09:02:02,504 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 09:02:02,504 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 09:02:02,504 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-10-22 09:02:02,504 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-10-22 09:02:02,504 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-10-22 09:02:02,504 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-10-22 09:02:02,504 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,504 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-10-22 09:02:02,505 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,506 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,506 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,506 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-10-22 09:02:02,506 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-10-22 09:02:02,506 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 09:02:02,506 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 09:02:02,506 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:02:02,506 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 09:02:02,506 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-10-22 09:02:02,506 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-10-22 09:02:02,507 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-10-22 09:02:02,507 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,507 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,507 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,507 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-10-22 09:02:02,507 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 09:02:02,508 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 09:02:02,508 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 09:02:02,508 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-10-22 09:02:02,508 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-10-22 09:02:02,508 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-10-22 09:02:02,508 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-10-22 09:02:02,508 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-10-22 09:02:02,508 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,508 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,509 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 09:02:02,509 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-10-22 09:02:02,509 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 09:02:02,509 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 09:02:02,509 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 09:02:02,509 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-10-22 09:02:02,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:02 BoogieIcfgContainer [2019-10-22 09:02:02,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:02,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:02,530 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:02,530 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:02,530 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:43" (3/4) ... [2019-10-22 09:02:02,539 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:02:02,566 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:02:02,571 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:02:02,740 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01f52f07-cf68-4590-93b7-219af0391363/bin/uautomizer/witness.graphml [2019-10-22 09:02:02,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:02,742 INFO L168 Benchmark]: Toolchain (without parser) took 21076.75 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 869.3 MB). Free memory was 939.1 MB in the beginning and 806.7 MB in the end (delta: 132.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2019-10-22 09:02:02,742 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:02,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:02,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.31 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:02,744 INFO L168 Benchmark]: Boogie Preprocessor took 85.62 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:02,744 INFO L168 Benchmark]: RCFGBuilder took 1444.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.8 MB in the end (delta: 126.0 MB). Peak memory consumption was 126.0 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:02,744 INFO L168 Benchmark]: TraceAbstraction took 18536.81 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 742.4 MB). Free memory was 940.8 MB in the beginning and 834.8 MB in the end (delta: 106.0 MB). Peak memory consumption was 848.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:02,745 INFO L168 Benchmark]: Witness Printer took 210.64 ms. Allocated memory is still 1.9 GB. Free memory was 834.8 MB in the beginning and 806.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:02,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 685.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.31 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: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.62 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1444.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.8 MB in the end (delta: 126.0 MB). Peak memory consumption was 126.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18536.81 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 742.4 MB). Free memory was 940.8 MB in the beginning and 834.8 MB in the end (delta: 106.0 MB). Peak memory consumption was 848.4 MB. Max. memory is 11.5 GB. * Witness Printer took 210.64 ms. Allocated memory is still 1.9 GB. Free memory was 834.8 MB in the beginning and 806.7 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: 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: 880]: Loop Invariant Derived loop invariant: (((a24 == 1 && !(6 == a15)) || (a24 == 1 && (a12 <= 11 || 80 < a12))) || (a21 <= 8 && a24 == 1)) || (a21 <= 8 && !(6 == a15) && a12 + 49 <= 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((a24 == 1 && !(6 == a15)) || (a24 == 1 && (a12 <= 11 || 80 < a12))) || (a21 <= 8 && a24 == 1)) || (a21 <= 8 && !(6 == a15) && a12 + 49 <= 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 18.4s, OverallIterations: 7, TraceHistogramMax: 7, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 218 SDtfs, 3799 SDslu, 148 SDs, 0 SdLazy, 10106 SolverSat, 1650 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1612 GetRequests, 1572 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1795 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 72 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2730 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 92 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 4363 NumberOfCodeBlocks, 4363 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 4353 ConstructedInterpolants, 0 QuantifiedInterpolants, 8893252 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1979 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 7895/8220 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...