./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c -s /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab2f82b3a20098c3c150387b3445f37093d89f89 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:20:47,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:20:47,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:20:47,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:20:47,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:20:47,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:20:47,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:20:47,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:20:47,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:20:47,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:20:47,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:20:47,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:20:47,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:20:47,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:20:47,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:20:47,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:20:47,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:20:47,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:20:47,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:20:47,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:20:47,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:20:47,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:20:47,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:20:47,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:20:47,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:20:47,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:20:47,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:20:47,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:20:47,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:20:47,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:20:47,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:20:47,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:20:47,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:20:47,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:20:47,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:20:47,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:20:47,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:20:47,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:20:47,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:20:47,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:20:47,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:20:47,433 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:20:47,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:20:47,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:20:47,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:20:47,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:20:47,484 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:20:47,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:20:47,484 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:20:47,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:20:47,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:20:47,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:20:47,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:20:47,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:20:47,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:20:47,487 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:20:47,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:20:47,487 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:20:47,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:20:47,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:20:47,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:20:47,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:20:47,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:20:47,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:47,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:20:47,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:20:47,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:20:47,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:20:47,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:20:47,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:20:47,491 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:20:47,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab2f82b3a20098c3c150387b3445f37093d89f89 [2020-11-28 03:20:47,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:20:47,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:20:47,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:20:47,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:20:47,846 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:20:47,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2020-11-28 03:20:47,941 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/data/a59931d00/5ebc1ac265384ad9a1cdaac647dd60ee/FLAG96fe5240e [2020-11-28 03:20:48,613 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:20:48,614 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2020-11-28 03:20:48,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/data/a59931d00/5ebc1ac265384ad9a1cdaac647dd60ee/FLAG96fe5240e [2020-11-28 03:20:48,832 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/data/a59931d00/5ebc1ac265384ad9a1cdaac647dd60ee [2020-11-28 03:20:48,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:20:48,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:20:48,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:48,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:20:48,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:20:48,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86dc191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48, skipping insertion in model container [2020-11-28 03:20:48,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:48" (1/1) ... [2020-11-28 03:20:48,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:20:48,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:20:49,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:49,460 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:20:49,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:20:49,641 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:20:49,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49 WrapperNode [2020-11-28 03:20:49,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:20:49,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:49,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:20:49,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:20:49,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (1/1) ... [2020-11-28 03:20:49,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (1/1) ... [2020-11-28 03:20:49,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:20:49,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:20:49,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:20:49,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:20:49,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (1/1) ... [2020-11-28 03:20:49,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (1/1) ... [2020-11-28 03:20:49,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (1/1) ... [2020-11-28 03:20:49,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (1/1) ... [2020-11-28 03:20:49,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (1/1) ... [2020-11-28 03:20:49,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (1/1) ... [2020-11-28 03:20:49,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (1/1) ... [2020-11-28 03:20:49,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:20:49,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:20:49,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:20:49,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:20:49,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:20:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:20:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:20:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:20:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:20:51,796 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:20:51,797 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:20:51,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:51 BoogieIcfgContainer [2020-11-28 03:20:51,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:20:51,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:20:51,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:20:51,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:20:51,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:48" (1/3) ... [2020-11-28 03:20:51,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b99d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:51, skipping insertion in model container [2020-11-28 03:20:51,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:49" (2/3) ... [2020-11-28 03:20:51,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b99d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:51, skipping insertion in model container [2020-11-28 03:20:51,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:51" (3/3) ... [2020-11-28 03:20:51,811 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label33.c [2020-11-28 03:20:51,824 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:20:51,829 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:20:51,843 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:20:51,884 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:20:51,884 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:20:51,884 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:20:51,885 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:20:51,885 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:20:51,885 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:20:51,885 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:20:51,885 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:20:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states. [2020-11-28 03:20:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:20:51,916 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:51,917 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:51,917 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:51,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:51,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2074400678, now seen corresponding path program 1 times [2020-11-28 03:20:51,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:51,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433050598] [2020-11-28 03:20:51,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:52,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433050598] [2020-11-28 03:20:52,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:52,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:20:52,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816792627] [2020-11-28 03:20:52,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:52,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:52,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:52,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:52,374 INFO L87 Difference]: Start difference. First operand 246 states. Second operand 3 states. [2020-11-28 03:20:53,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:53,709 INFO L93 Difference]: Finished difference Result 670 states and 1201 transitions. [2020-11-28 03:20:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:53,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-28 03:20:53,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:53,727 INFO L225 Difference]: With dead ends: 670 [2020-11-28 03:20:53,727 INFO L226 Difference]: Without dead ends: 360 [2020-11-28 03:20:53,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:53,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-11-28 03:20:53,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2020-11-28 03:20:53,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-11-28 03:20:53,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 588 transitions. [2020-11-28 03:20:53,827 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 588 transitions. Word has length 58 [2020-11-28 03:20:53,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:53,829 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 588 transitions. [2020-11-28 03:20:53,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 588 transitions. [2020-11-28 03:20:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-11-28 03:20:53,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:53,843 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:53,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:20:53,843 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:53,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:53,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1379688974, now seen corresponding path program 1 times [2020-11-28 03:20:53,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:53,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733764884] [2020-11-28 03:20:53,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:54,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733764884] [2020-11-28 03:20:54,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:54,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:20:54,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877853362] [2020-11-28 03:20:54,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:54,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:54,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:54,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:54,055 INFO L87 Difference]: Start difference. First operand 360 states and 588 transitions. Second operand 3 states. [2020-11-28 03:20:55,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:55,143 INFO L93 Difference]: Finished difference Result 1074 states and 1759 transitions. [2020-11-28 03:20:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:20:55,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2020-11-28 03:20:55,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:55,151 INFO L225 Difference]: With dead ends: 1074 [2020-11-28 03:20:55,151 INFO L226 Difference]: Without dead ends: 716 [2020-11-28 03:20:55,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:20:55,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-11-28 03:20:55,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 538. [2020-11-28 03:20:55,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-11-28 03:20:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 802 transitions. [2020-11-28 03:20:55,189 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 802 transitions. Word has length 123 [2020-11-28 03:20:55,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:55,189 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 802 transitions. [2020-11-28 03:20:55,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:20:55,189 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 802 transitions. [2020-11-28 03:20:55,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-28 03:20:55,192 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:55,192 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:55,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:20:55,192 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:55,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:55,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1698742449, now seen corresponding path program 1 times [2020-11-28 03:20:55,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:55,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343449896] [2020-11-28 03:20:55,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:55,385 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:55,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343449896] [2020-11-28 03:20:55,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:55,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:55,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113022818] [2020-11-28 03:20:55,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:20:55,387 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:55,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:20:55,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:55,388 INFO L87 Difference]: Start difference. First operand 538 states and 802 transitions. Second operand 4 states. [2020-11-28 03:20:56,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:56,910 INFO L93 Difference]: Finished difference Result 1430 states and 2030 transitions. [2020-11-28 03:20:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:20:56,912 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2020-11-28 03:20:56,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:56,918 INFO L225 Difference]: With dead ends: 1430 [2020-11-28 03:20:56,919 INFO L226 Difference]: Without dead ends: 894 [2020-11-28 03:20:56,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:20:56,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-11-28 03:20:56,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2020-11-28 03:20:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2020-11-28 03:20:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1194 transitions. [2020-11-28 03:20:56,956 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1194 transitions. Word has length 137 [2020-11-28 03:20:56,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:56,957 INFO L481 AbstractCegarLoop]: Abstraction has 894 states and 1194 transitions. [2020-11-28 03:20:56,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:20:56,957 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1194 transitions. [2020-11-28 03:20:56,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-28 03:20:56,962 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:56,962 INFO L422 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:56,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:20:56,962 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:56,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:56,963 INFO L82 PathProgramCache]: Analyzing trace with hash 2105559139, now seen corresponding path program 1 times [2020-11-28 03:20:56,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:56,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322077599] [2020-11-28 03:20:56,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 03:20:57,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322077599] [2020-11-28 03:20:57,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:20:57,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:20:57,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127180692] [2020-11-28 03:20:57,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:20:57,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:57,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:20:57,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:57,352 INFO L87 Difference]: Start difference. First operand 894 states and 1194 transitions. Second operand 4 states. [2020-11-28 03:20:58,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:20:58,484 INFO L93 Difference]: Finished difference Result 1993 states and 2629 transitions. [2020-11-28 03:20:58,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:20:58,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 217 [2020-11-28 03:20:58,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:20:58,493 INFO L225 Difference]: With dead ends: 1993 [2020-11-28 03:20:58,494 INFO L226 Difference]: Without dead ends: 1072 [2020-11-28 03:20:58,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:20:58,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2020-11-28 03:20:58,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1072. [2020-11-28 03:20:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-11-28 03:20:58,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1264 transitions. [2020-11-28 03:20:58,534 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1264 transitions. Word has length 217 [2020-11-28 03:20:58,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:20:58,536 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1264 transitions. [2020-11-28 03:20:58,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:20:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1264 transitions. [2020-11-28 03:20:58,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-11-28 03:20:58,542 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:20:58,542 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:20:58,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:20:58,543 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:20:58,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:20:58,543 INFO L82 PathProgramCache]: Analyzing trace with hash -928428227, now seen corresponding path program 1 times [2020-11-28 03:20:58,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:20:58,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474901360] [2020-11-28 03:20:58,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:20:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 111 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:20:58,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474901360] [2020-11-28 03:20:58,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259742608] [2020-11-28 03:20:58,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:20:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:20:59,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:20:59,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:20:59,554 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-28 03:20:59,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:20:59,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-11-28 03:20:59,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072449444] [2020-11-28 03:20:59,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:20:59,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:20:59,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:20:59,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:20:59,560 INFO L87 Difference]: Start difference. First operand 1072 states and 1264 transitions. Second operand 3 states. [2020-11-28 03:21:00,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:00,518 INFO L93 Difference]: Finished difference Result 2320 states and 2779 transitions. [2020-11-28 03:21:00,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:00,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 229 [2020-11-28 03:21:00,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:00,528 INFO L225 Difference]: With dead ends: 2320 [2020-11-28 03:21:00,528 INFO L226 Difference]: Without dead ends: 1250 [2020-11-28 03:21:00,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:21:00,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2020-11-28 03:21:00,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1072. [2020-11-28 03:21:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-11-28 03:21:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1250 transitions. [2020-11-28 03:21:00,564 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1250 transitions. Word has length 229 [2020-11-28 03:21:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:00,565 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1250 transitions. [2020-11-28 03:21:00,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1250 transitions. [2020-11-28 03:21:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-11-28 03:21:00,569 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:00,569 INFO L422 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, 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] [2020-11-28 03:21:00,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:00,794 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:00,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:00,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1981329460, now seen corresponding path program 1 times [2020-11-28 03:21:00,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:00,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817532502] [2020-11-28 03:21:00,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:00,995 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:21:00,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817532502] [2020-11-28 03:21:00,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:00,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:00,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541354475] [2020-11-28 03:21:00,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:00,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:00,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:00,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:00,998 INFO L87 Difference]: Start difference. First operand 1072 states and 1250 transitions. Second operand 3 states. [2020-11-28 03:21:02,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:02,056 INFO L93 Difference]: Finished difference Result 2854 states and 3362 transitions. [2020-11-28 03:21:02,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:02,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2020-11-28 03:21:02,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:02,072 INFO L225 Difference]: With dead ends: 2854 [2020-11-28 03:21:02,072 INFO L226 Difference]: Without dead ends: 1784 [2020-11-28 03:21:02,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:02,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-11-28 03:21:02,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1606. [2020-11-28 03:21:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-28 03:21:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1824 transitions. [2020-11-28 03:21:02,128 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1824 transitions. Word has length 232 [2020-11-28 03:21:02,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:02,128 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1824 transitions. [2020-11-28 03:21:02,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:02,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1824 transitions. [2020-11-28 03:21:02,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2020-11-28 03:21:02,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:02,138 INFO L422 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:02,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:21:02,145 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:02,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:02,146 INFO L82 PathProgramCache]: Analyzing trace with hash 827467919, now seen corresponding path program 1 times [2020-11-28 03:21:02,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:02,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753634286] [2020-11-28 03:21:02,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:02,657 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-11-28 03:21:02,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753634286] [2020-11-28 03:21:02,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:02,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:02,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705044136] [2020-11-28 03:21:02,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:21:02,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:02,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:21:02,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:02,674 INFO L87 Difference]: Start difference. First operand 1606 states and 1824 transitions. Second operand 4 states. [2020-11-28 03:21:03,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:03,789 INFO L93 Difference]: Finished difference Result 3268 states and 3727 transitions. [2020-11-28 03:21:03,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:21:03,790 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 349 [2020-11-28 03:21:03,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:03,800 INFO L225 Difference]: With dead ends: 3268 [2020-11-28 03:21:03,800 INFO L226 Difference]: Without dead ends: 1784 [2020-11-28 03:21:03,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:21:03,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2020-11-28 03:21:03,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 1606. [2020-11-28 03:21:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2020-11-28 03:21:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1751 transitions. [2020-11-28 03:21:03,842 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1751 transitions. Word has length 349 [2020-11-28 03:21:03,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:03,842 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1751 transitions. [2020-11-28 03:21:03,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:21:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1751 transitions. [2020-11-28 03:21:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2020-11-28 03:21:03,854 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:03,854 INFO L422 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:03,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:21:03,855 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:03,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:03,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1032126700, now seen corresponding path program 1 times [2020-11-28 03:21:03,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:03,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770199540] [2020-11-28 03:21:03,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:04,321 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-28 03:21:04,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770199540] [2020-11-28 03:21:04,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:04,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:04,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326215117] [2020-11-28 03:21:04,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:04,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:04,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:04,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:04,324 INFO L87 Difference]: Start difference. First operand 1606 states and 1751 transitions. Second operand 3 states. [2020-11-28 03:21:05,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:05,254 INFO L93 Difference]: Finished difference Result 3922 states and 4309 transitions. [2020-11-28 03:21:05,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:05,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 444 [2020-11-28 03:21:05,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:05,268 INFO L225 Difference]: With dead ends: 3922 [2020-11-28 03:21:05,268 INFO L226 Difference]: Without dead ends: 2496 [2020-11-28 03:21:05,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:05,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2020-11-28 03:21:05,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 1962. [2020-11-28 03:21:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1962 states. [2020-11-28 03:21:05,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2110 transitions. [2020-11-28 03:21:05,327 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2110 transitions. Word has length 444 [2020-11-28 03:21:05,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:05,328 INFO L481 AbstractCegarLoop]: Abstraction has 1962 states and 2110 transitions. [2020-11-28 03:21:05,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:05,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2110 transitions. [2020-11-28 03:21:05,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2020-11-28 03:21:05,331 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:05,332 INFO L422 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:05,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:21:05,332 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:05,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:05,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1114872273, now seen corresponding path program 1 times [2020-11-28 03:21:05,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:05,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486237918] [2020-11-28 03:21:05,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-28 03:21:05,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486237918] [2020-11-28 03:21:05,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:05,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:05,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335249422] [2020-11-28 03:21:05,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:05,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:05,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:05,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:05,685 INFO L87 Difference]: Start difference. First operand 1962 states and 2110 transitions. Second operand 3 states. [2020-11-28 03:21:06,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:06,555 INFO L93 Difference]: Finished difference Result 4456 states and 4861 transitions. [2020-11-28 03:21:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:06,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 451 [2020-11-28 03:21:06,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:06,572 INFO L225 Difference]: With dead ends: 4456 [2020-11-28 03:21:06,572 INFO L226 Difference]: Without dead ends: 2674 [2020-11-28 03:21:06,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:06,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2020-11-28 03:21:06,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496. [2020-11-28 03:21:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2496 states. [2020-11-28 03:21:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2661 transitions. [2020-11-28 03:21:06,639 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2661 transitions. Word has length 451 [2020-11-28 03:21:06,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:06,640 INFO L481 AbstractCegarLoop]: Abstraction has 2496 states and 2661 transitions. [2020-11-28 03:21:06,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2661 transitions. [2020-11-28 03:21:06,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-11-28 03:21:06,646 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:06,649 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 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] [2020-11-28 03:21:06,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:21:06,649 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:06,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:06,650 INFO L82 PathProgramCache]: Analyzing trace with hash 324275080, now seen corresponding path program 1 times [2020-11-28 03:21:06,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:06,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156353062] [2020-11-28 03:21:06,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2020-11-28 03:21:07,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156353062] [2020-11-28 03:21:07,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:07,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:07,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687793732] [2020-11-28 03:21:07,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:07,251 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:07,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:07,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:07,251 INFO L87 Difference]: Start difference. First operand 2496 states and 2661 transitions. Second operand 3 states. [2020-11-28 03:21:07,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:07,997 INFO L93 Difference]: Finished difference Result 5524 states and 5971 transitions. [2020-11-28 03:21:07,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:07,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 606 [2020-11-28 03:21:07,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:08,018 INFO L225 Difference]: With dead ends: 5524 [2020-11-28 03:21:08,018 INFO L226 Difference]: Without dead ends: 3208 [2020-11-28 03:21:08,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:08,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2020-11-28 03:21:08,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2020-11-28 03:21:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-11-28 03:21:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3227 transitions. [2020-11-28 03:21:08,091 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3227 transitions. Word has length 606 [2020-11-28 03:21:08,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:08,092 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3227 transitions. [2020-11-28 03:21:08,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3227 transitions. [2020-11-28 03:21:08,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2020-11-28 03:21:08,100 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:08,101 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:08,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:21:08,102 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:08,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:08,102 INFO L82 PathProgramCache]: Analyzing trace with hash 974401877, now seen corresponding path program 1 times [2020-11-28 03:21:08,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:08,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723565178] [2020-11-28 03:21:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:08,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2020-11-28 03:21:08,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723565178] [2020-11-28 03:21:08,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:08,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:21:08,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656401084] [2020-11-28 03:21:08,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:08,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:08,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:08,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:08,772 INFO L87 Difference]: Start difference. First operand 3030 states and 3227 transitions. Second operand 3 states. [2020-11-28 03:21:09,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:09,474 INFO L93 Difference]: Finished difference Result 6592 states and 7095 transitions. [2020-11-28 03:21:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:09,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 624 [2020-11-28 03:21:09,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:09,498 INFO L225 Difference]: With dead ends: 6592 [2020-11-28 03:21:09,498 INFO L226 Difference]: Without dead ends: 3742 [2020-11-28 03:21:09,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:21:09,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2020-11-28 03:21:09,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386. [2020-11-28 03:21:09,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-28 03:21:09,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3620 transitions. [2020-11-28 03:21:09,597 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3620 transitions. Word has length 624 [2020-11-28 03:21:09,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:09,599 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3620 transitions. [2020-11-28 03:21:09,599 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3620 transitions. [2020-11-28 03:21:09,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2020-11-28 03:21:09,608 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:09,609 INFO L422 BasicCegarLoop]: trace histogram [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, 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, 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, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:09,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:21:09,610 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:09,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:09,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1560929605, now seen corresponding path program 1 times [2020-11-28 03:21:09,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:09,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704142446] [2020-11-28 03:21:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 922 proven. 110 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-11-28 03:21:10,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704142446] [2020-11-28 03:21:10,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368353086] [2020-11-28 03:21:10,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:10,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:21:10,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1346 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2020-11-28 03:21:10,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:21:10,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:21:10,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373405110] [2020-11-28 03:21:10,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:10,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:10,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:10,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:10,697 INFO L87 Difference]: Start difference. First operand 3386 states and 3620 transitions. Second operand 3 states. [2020-11-28 03:21:11,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:11,358 INFO L93 Difference]: Finished difference Result 7660 states and 8178 transitions. [2020-11-28 03:21:11,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:11,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 647 [2020-11-28 03:21:11,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:11,382 INFO L225 Difference]: With dead ends: 7660 [2020-11-28 03:21:11,382 INFO L226 Difference]: Without dead ends: 3564 [2020-11-28 03:21:11,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 650 GetRequests, 647 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:11,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2020-11-28 03:21:11,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2020-11-28 03:21:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-28 03:21:11,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-11-28 03:21:11,479 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 647 [2020-11-28 03:21:11,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:11,480 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-11-28 03:21:11,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:11,481 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-11-28 03:21:11,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2020-11-28 03:21:11,494 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:11,495 INFO L422 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, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2020-11-28 03:21:11,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-28 03:21:11,708 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:11,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:11,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1019066694, now seen corresponding path program 1 times [2020-11-28 03:21:11,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:11,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409296581] [2020-11-28 03:21:11,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 1334 proven. 155 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2020-11-28 03:21:12,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409296581] [2020-11-28 03:21:12,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839177531] [2020-11-28 03:21:12,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:12,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 1001 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:21:12,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1859 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2020-11-28 03:21:13,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:21:13,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:21:13,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68662165] [2020-11-28 03:21:13,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:13,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:13,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:13,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:13,141 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-11-28 03:21:13,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:13,748 INFO L93 Difference]: Finished difference Result 4278 states and 4537 transitions. [2020-11-28 03:21:13,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:13,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 794 [2020-11-28 03:21:13,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:13,774 INFO L225 Difference]: With dead ends: 4278 [2020-11-28 03:21:13,774 INFO L226 Difference]: Without dead ends: 4276 [2020-11-28 03:21:13,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 797 GetRequests, 794 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:13,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2020-11-28 03:21:13,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3386. [2020-11-28 03:21:13,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2020-11-28 03:21:13,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3599 transitions. [2020-11-28 03:21:13,856 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3599 transitions. Word has length 794 [2020-11-28 03:21:13,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:13,858 INFO L481 AbstractCegarLoop]: Abstraction has 3386 states and 3599 transitions. [2020-11-28 03:21:13,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3599 transitions. [2020-11-28 03:21:13,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2020-11-28 03:21:13,870 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:13,871 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:14,096 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-28 03:21:14,096 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:21:14,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:14,097 INFO L82 PathProgramCache]: Analyzing trace with hash 569347014, now seen corresponding path program 1 times [2020-11-28 03:21:14,097 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:14,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484847077] [2020-11-28 03:21:14,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 1805 proven. 110 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2020-11-28 03:21:15,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484847077] [2020-11-28 03:21:15,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876803269] [2020-11-28 03:21:15,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:15,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:21:15,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:21:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-11-28 03:21:15,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:21:15,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-28 03:21:15,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914298542] [2020-11-28 03:21:15,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:21:15,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:15,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:21:15,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:15,745 INFO L87 Difference]: Start difference. First operand 3386 states and 3599 transitions. Second operand 3 states. [2020-11-28 03:21:16,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:16,423 INFO L93 Difference]: Finished difference Result 7302 states and 7812 transitions. [2020-11-28 03:21:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:21:16,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 825 [2020-11-28 03:21:16,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:16,424 INFO L225 Difference]: With dead ends: 7302 [2020-11-28 03:21:16,424 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:21:16,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 828 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:16,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:21:16,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:21:16,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:21:16,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:21:16,431 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 825 [2020-11-28 03:21:16,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:16,432 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:21:16,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:21:16,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:21:16,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:21:16,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:21:16,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:21:16,940 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-11-28 03:21:17,107 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2020-11-28 03:21:17,110 INFO L274 CegarLoopResult]: For program point L762(lines 762 880) no Hoare annotation was computed. [2020-11-28 03:21:17,110 INFO L274 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-11-28 03:21:17,110 INFO L274 CegarLoopResult]: For program point L829(lines 829 880) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L631(lines 631 880) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L565(lines 565 880) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L698(lines 698 880) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L500(lines 500 880) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L369(lines 369 880) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L303(lines 303 880) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L436(lines 436 880) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,111 INFO L274 CegarLoopResult]: For program point L239(lines 239 880) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L768(lines 768 880) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L636(lines 636 880) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L835(lines 835 880) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L571(lines 571 880) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L505(lines 505 880) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L704(lines 704 880) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-28 03:21:17,112 INFO L274 CegarLoopResult]: For program point L309(lines 309 880) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L442(lines 442 880) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L376(lines 376 880) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L245(lines 245 880) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L774(lines 774 880) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L642(lines 642 880) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L510(lines 510 880) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L841(lines 841 880) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,114 INFO L274 CegarLoopResult]: For program point L710(lines 710 880) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L578(lines 578 880) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L315(lines 315 880) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L448(lines 448 880) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L382(lines 382 880) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L251(lines 251 880) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L648(lines 648 880) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L516(lines 516 880) no Hoare annotation was computed. [2020-11-28 03:21:17,115 INFO L274 CegarLoopResult]: For program point L847(lines 847 880) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L781(lines 781 880) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L583(lines 583 880) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L716(lines 716 880) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L321(lines 321 880) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L454(lines 454 880) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L388(lines 388 880) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,116 INFO L274 CegarLoopResult]: For program point L257(lines 257 880) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L852(lines 852 880) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L654(lines 654 880) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L522(lines 522 880) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L787(lines 787 880) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L589(lines 589 880) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L722(lines 722 880) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L459(lines 459 880) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L327(lines 327 880) no Hoare annotation was computed. [2020-11-28 03:21:17,117 INFO L274 CegarLoopResult]: For program point L394(lines 394 880) no Hoare annotation was computed. [2020-11-28 03:21:17,118 INFO L274 CegarLoopResult]: For program point L262(lines 262 880) no Hoare annotation was computed. [2020-11-28 03:21:17,118 INFO L274 CegarLoopResult]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,118 INFO L274 CegarLoopResult]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,118 INFO L274 CegarLoopResult]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,120 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-28 03:21:17,120 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-28 03:21:17,120 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-28 03:21:17,120 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:21:17,120 INFO L274 CegarLoopResult]: For program point L858(lines 858 880) no Hoare annotation was computed. [2020-11-28 03:21:17,120 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-28 03:21:17,120 INFO L274 CegarLoopResult]: For program point L660(lines 660 880) no Hoare annotation was computed. [2020-11-28 03:21:17,120 INFO L274 CegarLoopResult]: For program point L528(lines 528 880) no Hoare annotation was computed. [2020-11-28 03:21:17,120 INFO L274 CegarLoopResult]: For program point L793(lines 793 880) no Hoare annotation was computed. [2020-11-28 03:21:17,120 INFO L274 CegarLoopResult]: For program point L595(lines 595 880) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L728(lines 728 880) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L464(lines 464 880) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L333(lines 333 880) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L400(lines 400 880) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L268(lines 268 880) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-28 03:21:17,121 INFO L274 CegarLoopResult]: For program point L864(lines 864 880) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L666(lines 666 880) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L534(lines 534 880) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L799(lines 799 880) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L601(lines 601 880) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L734(lines 734 880) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L470(lines 470 880) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L339(lines 339 880) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L406(lines 406 880) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L274(lines 274 880) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,122 INFO L274 CegarLoopResult]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L869(lines 869 880) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L672(lines 672 880) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L540(lines 540 880) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L805(lines 805 880) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L607(lines 607 880) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L740(lines 740 880) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L477(lines 477 880) no Hoare annotation was computed. [2020-11-28 03:21:17,123 INFO L274 CegarLoopResult]: For program point L345(lines 345 880) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L279(lines 279 880) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L412(lines 412 880) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L875(lines 875 880) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L678(lines 678 880) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L546(lines 546 880) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L811(lines 811 880) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L745(lines 745 880) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L613(lines 613 880) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L482(lines 482 880) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:21:17,124 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-28 03:21:17,125 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-28 03:21:17,125 INFO L274 CegarLoopResult]: For program point L351(lines 351 880) no Hoare annotation was computed. [2020-11-28 03:21:17,125 INFO L274 CegarLoopResult]: For program point L285(lines 285 880) no Hoare annotation was computed. [2020-11-28 03:21:17,125 INFO L274 CegarLoopResult]: For program point L418(lines 418 880) no Hoare annotation was computed. [2020-11-28 03:21:17,125 INFO L274 CegarLoopResult]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,125 INFO L274 CegarLoopResult]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,126 INFO L270 CegarLoopResult]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-28 03:21:17,126 INFO L274 CegarLoopResult]: For program point L551(lines 551 880) no Hoare annotation was computed. [2020-11-28 03:21:17,126 INFO L274 CegarLoopResult]: For program point L221(lines 221 880) no Hoare annotation was computed. [2020-11-28 03:21:17,126 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-28 03:21:17,126 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-28 03:21:17,126 INFO L274 CegarLoopResult]: For program point L684(lines 684 880) no Hoare annotation was computed. [2020-11-28 03:21:17,126 INFO L274 CegarLoopResult]: For program point L817(lines 817 880) no Hoare annotation was computed. [2020-11-28 03:21:17,126 INFO L274 CegarLoopResult]: For program point L751(lines 751 880) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L619(lines 619 880) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L277 CegarLoopResult]: At program point L884(lines 884 900) the Hoare annotation is: true [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L488(lines 488 880) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L290(lines 290 880) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L687(lines 687 880) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L357(lines 357 880) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L424(lines 424 880) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L557(lines 557 880) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L227(lines 227 880) no Hoare annotation was computed. [2020-11-28 03:21:17,127 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L757(lines 757 880) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L625(lines 625 880) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L31(lines 31 33) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L824(lines 824 880) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L270 CegarLoopResult]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (<= ~a15~0 5)) (.cse3 (<= (+ ~a12~0 49) 0)) (.cse2 (<= 7 ~a15~0)) (.cse1 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 .cse3) (and (<= 9 ~a21~0) .cse1 (<= ~a21~0 9)) (and (< 0 (+ ~a12~0 43)) (<= ~a12~0 11) .cse1) (and .cse3 .cse2 (<= ~a15~0 8) (<= 10 ~a21~0)) (and .cse1 (<= ~a21~0 6)) (and (<= 8 ~a21~0) .cse1 (<= ~a21~0 8)))) [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L494(lines 494 880) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L296(lines 296 880) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L693(lines 693 880) no Hoare annotation was computed. [2020-11-28 03:21:17,128 INFO L274 CegarLoopResult]: For program point L363(lines 363 880) no Hoare annotation was computed. [2020-11-28 03:21:17,129 INFO L274 CegarLoopResult]: For program point L562(lines 562 880) no Hoare annotation was computed. [2020-11-28 03:21:17,129 INFO L274 CegarLoopResult]: For program point L430(lines 430 880) no Hoare annotation was computed. [2020-11-28 03:21:17,129 INFO L274 CegarLoopResult]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,129 INFO L274 CegarLoopResult]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,129 INFO L274 CegarLoopResult]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2020-11-28 03:21:17,129 INFO L274 CegarLoopResult]: For program point L233(lines 233 880) no Hoare annotation was computed. [2020-11-28 03:21:17,129 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-28 03:21:17,129 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-28 03:21:17,129 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-28 03:21:17,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:21:17 BoogieIcfgContainer [2020-11-28 03:21:17,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:21:17,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:21:17,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:21:17,170 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:21:17,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:51" (3/4) ... [2020-11-28 03:21:17,173 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:21:17,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 03:21:17,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:21:17,216 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:21:17,218 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:21:17,411 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_29026c09-f0bf-4e23-9d39-37f5536e788e/bin/uautomizer/witness.graphml [2020-11-28 03:21:17,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:21:17,412 INFO L168 Benchmark]: Toolchain (without parser) took 28572.51 ms. Allocated memory was 104.9 MB in the beginning and 1.0 GB in the end (delta: 912.3 MB). Free memory was 72.5 MB in the beginning and 401.8 MB in the end (delta: -329.3 MB). Peak memory consumption was 582.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:17,413 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 37.5 MB in the beginning and 37.4 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:17,413 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.50 ms. Allocated memory is still 104.9 MB. Free memory was 72.5 MB in the beginning and 60.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:17,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.91 ms. Allocated memory is still 104.9 MB. Free memory was 60.3 MB in the beginning and 50.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:17,414 INFO L168 Benchmark]: Boogie Preprocessor took 152.32 ms. Allocated memory is still 104.9 MB. Free memory was 50.5 MB in the beginning and 44.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:17,420 INFO L168 Benchmark]: RCFGBuilder took 1888.34 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 44.0 MB in the beginning and 76.8 MB in the end (delta: -32.8 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:17,420 INFO L168 Benchmark]: TraceAbstraction took 25367.63 ms. Allocated memory was 134.2 MB in the beginning and 1.0 GB in the end (delta: 882.9 MB). Free memory was 76.8 MB in the beginning and 421.7 MB in the end (delta: -344.9 MB). Peak memory consumption was 538.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:17,421 INFO L168 Benchmark]: Witness Printer took 242.16 ms. Allocated memory is still 1.0 GB. Free memory was 421.7 MB in the beginning and 401.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:17,423 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 37.5 MB in the beginning and 37.4 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 798.50 ms. Allocated memory is still 104.9 MB. Free memory was 72.5 MB in the beginning and 60.3 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.91 ms. Allocated memory is still 104.9 MB. Free memory was 60.3 MB in the beginning and 50.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 152.32 ms. Allocated memory is still 104.9 MB. Free memory was 50.5 MB in the beginning and 44.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1888.34 ms. Allocated memory was 104.9 MB in the beginning and 134.2 MB in the end (delta: 29.4 MB). Free memory was 44.0 MB in the beginning and 76.8 MB in the end (delta: -32.8 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25367.63 ms. Allocated memory was 134.2 MB in the beginning and 1.0 GB in the end (delta: 882.9 MB). Free memory was 76.8 MB in the beginning and 421.7 MB in the end (delta: -344.9 MB). Peak memory consumption was 538.9 MB. Max. memory is 16.1 GB. * Witness Printer took 242.16 ms. Allocated memory is still 1.0 GB. Free memory was 421.7 MB in the beginning and 401.8 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((a15 <= 5 && a24 == 1) || (7 <= a15 && a24 == 1)) || (a15 <= 5 && a12 + 49 <= 0)) || ((9 <= a21 && a24 == 1) && a21 <= 9)) || ((0 < a12 + 43 && a12 <= 11) && a24 == 1)) || (((a12 + 49 <= 0 && 7 <= a15) && a15 <= 8) && 10 <= a21)) || (a24 == 1 && a21 <= 6)) || ((8 <= a21 && a24 == 1) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.7s, OverallIterations: 14, TraceHistogramMax: 8, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1910 SDtfs, 1883 SDslu, 78 SDs, 0 SdLazy, 7204 SolverSat, 907 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2536 GetRequests, 2509 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 3026 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 157 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2710 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 322 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 8231 NumberOfCodeBlocks, 8231 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 8213 ConstructedInterpolants, 0 QuantifiedInterpolants, 9107225 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3223 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 14 PerfectInterpolantSequences, 15920/16360 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...