./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label16.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_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/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 dbca4b5b174189007613ea278f8944581c9bfa1f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:21:39,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:21:39,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:21:39,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:21:39,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:21:39,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:21:39,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:21:39,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:21:39,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:21:39,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:21:39,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:21:39,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:21:39,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:21:39,582 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:21:39,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:21:39,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:21:39,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:21:39,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:21:39,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:21:39,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:21:39,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:21:39,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:21:39,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:21:39,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:21:39,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:21:39,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:21:39,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:21:39,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:21:39,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:21:39,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:21:39,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:21:39,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:21:39,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:21:39,617 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:21:39,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:21:39,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:21:39,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:21:39,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:21:39,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:21:39,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:21:39,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:21:39,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:21:39,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:21:39,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:21:39,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:21:39,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:21:39,661 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:21:39,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:21:39,662 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:21:39,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:21:39,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:21:39,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:21:39,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:21:39,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:21:39,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:21:39,664 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:21:39,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:21:39,665 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:21:39,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:21:39,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:21:39,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:21:39,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:21:39,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:21:39,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:21:39,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:21:39,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:21:39,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:21:39,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:21:39,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:21:39,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:21:39,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:21:39,668 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_6e094c56-e5ad-4fd6-ba7c-218d9b221957/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbca4b5b174189007613ea278f8944581c9bfa1f [2020-11-29 19:21:39,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:21:40,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:21:40,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:21:40,017 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:21:40,019 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:21:40,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2020-11-29 19:21:40,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/data/0e87502e9/07ad4e9b1c2140cb900d1e0d11e11921/FLAGecf82c1e6 [2020-11-29 19:21:41,093 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:21:41,093 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/sv-benchmarks/c/eca-rers2012/Problem11_label16.c [2020-11-29 19:21:41,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/data/0e87502e9/07ad4e9b1c2140cb900d1e0d11e11921/FLAGecf82c1e6 [2020-11-29 19:21:41,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/data/0e87502e9/07ad4e9b1c2140cb900d1e0d11e11921 [2020-11-29 19:21:41,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:21:41,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:21:41,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:21:41,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:21:41,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:21:41,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:21:41" (1/1) ... [2020-11-29 19:21:41,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c9c383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:41, skipping insertion in model container [2020-11-29 19:21:41,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:21:41" (1/1) ... [2020-11-29 19:21:41,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:21:41,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:21:42,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:21:42,172 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:21:42,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:21:42,469 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:21:42,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42 WrapperNode [2020-11-29 19:21:42,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:21:42,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:21:42,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:21:42,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:21:42,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (1/1) ... [2020-11-29 19:21:42,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (1/1) ... [2020-11-29 19:21:42,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:21:42,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:21:42,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:21:42,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:21:42,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (1/1) ... [2020-11-29 19:21:42,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (1/1) ... [2020-11-29 19:21:42,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (1/1) ... [2020-11-29 19:21:42,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (1/1) ... [2020-11-29 19:21:42,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (1/1) ... [2020-11-29 19:21:42,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (1/1) ... [2020-11-29 19:21:42,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (1/1) ... [2020-11-29 19:21:43,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:21:43,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:21:43,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:21:43,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:21:43,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/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 [2020-11-29 19:21:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:21:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:21:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:21:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:21:45,594 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:21:45,595 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:21:45,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:45 BoogieIcfgContainer [2020-11-29 19:21:45,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:21:45,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:21:45,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:21:45,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:21:45,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:21:41" (1/3) ... [2020-11-29 19:21:45,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b08c1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:21:45, skipping insertion in model container [2020-11-29 19:21:45,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:21:42" (2/3) ... [2020-11-29 19:21:45,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b08c1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:21:45, skipping insertion in model container [2020-11-29 19:21:45,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:45" (3/3) ... [2020-11-29 19:21:45,608 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label16.c [2020-11-29 19:21:45,616 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:21:45,620 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:21:45,631 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:21:45,675 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:21:45,676 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:21:45,676 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:21:45,676 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:21:45,676 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:21:45,676 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:21:45,677 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:21:45,677 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:21:45,708 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-11-29 19:21:45,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 19:21:45,719 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:45,720 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] [2020-11-29 19:21:45,720 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:45,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:45,727 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2020-11-29 19:21:45,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:45,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665858042] [2020-11-29 19:21:45,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:46,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:46,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665858042] [2020-11-29 19:21:46,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:46,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:46,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19573286] [2020-11-29 19:21:46,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:46,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:46,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:46,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:46,133 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-11-29 19:21:48,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:48,003 INFO L93 Difference]: Finished difference Result 770 states and 1361 transitions. [2020-11-29 19:21:48,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:48,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-11-29 19:21:48,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:48,024 INFO L225 Difference]: With dead ends: 770 [2020-11-29 19:21:48,024 INFO L226 Difference]: Without dead ends: 422 [2020-11-29 19:21:48,029 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 [2020-11-29 19:21:48,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-11-29 19:21:48,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2020-11-29 19:21:48,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-11-29 19:21:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2020-11-29 19:21:48,153 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 43 [2020-11-29 19:21:48,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:48,154 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2020-11-29 19:21:48,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2020-11-29 19:21:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-11-29 19:21:48,165 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:48,166 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:48,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:21:48,166 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:48,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:48,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1566450687, now seen corresponding path program 1 times [2020-11-29 19:21:48,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:48,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200423156] [2020-11-29 19:21:48,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:48,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200423156] [2020-11-29 19:21:48,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:48,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:48,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428562965] [2020-11-29 19:21:48,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:48,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:48,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:48,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:48,477 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand 3 states. [2020-11-29 19:21:49,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:49,957 INFO L93 Difference]: Finished difference Result 1199 states and 1829 transitions. [2020-11-29 19:21:49,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:49,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-11-29 19:21:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:49,967 INFO L225 Difference]: With dead ends: 1199 [2020-11-29 19:21:49,967 INFO L226 Difference]: Without dead ends: 789 [2020-11-29 19:21:49,972 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 [2020-11-29 19:21:49,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-11-29 19:21:50,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2020-11-29 19:21:50,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-11-29 19:21:50,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2020-11-29 19:21:50,034 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 109 [2020-11-29 19:21:50,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:50,037 INFO L481 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2020-11-29 19:21:50,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2020-11-29 19:21:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-11-29 19:21:50,048 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:50,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:50,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:21:50,051 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:50,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:50,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1053154293, now seen corresponding path program 1 times [2020-11-29 19:21:50,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:50,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707183562] [2020-11-29 19:21:50,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:50,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707183562] [2020-11-29 19:21:50,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:50,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:21:50,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779008246] [2020-11-29 19:21:50,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:50,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:50,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:50,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:50,265 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand 3 states. [2020-11-29 19:21:51,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:51,697 INFO L93 Difference]: Finished difference Result 2314 states and 3181 transitions. [2020-11-29 19:21:51,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:51,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-11-29 19:21:51,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:51,709 INFO L225 Difference]: With dead ends: 2314 [2020-11-29 19:21:51,709 INFO L226 Difference]: Without dead ends: 1527 [2020-11-29 19:21:51,711 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 [2020-11-29 19:21:51,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2020-11-29 19:21:51,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2020-11-29 19:21:51,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-11-29 19:21:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1856 transitions. [2020-11-29 19:21:51,766 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1856 transitions. Word has length 113 [2020-11-29 19:21:51,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:51,767 INFO L481 AbstractCegarLoop]: Abstraction has 1526 states and 1856 transitions. [2020-11-29 19:21:51,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1856 transitions. [2020-11-29 19:21:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-11-29 19:21:51,771 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:51,772 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:51,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 19:21:51,772 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:51,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:51,773 INFO L82 PathProgramCache]: Analyzing trace with hash 300469357, now seen corresponding path program 1 times [2020-11-29 19:21:51,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:51,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218394839] [2020-11-29 19:21:51,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:21:51,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218394839] [2020-11-29 19:21:51,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:51,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:51,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787062597] [2020-11-29 19:21:51,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:51,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:51,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:51,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:51,954 INFO L87 Difference]: Start difference. First operand 1526 states and 1856 transitions. Second operand 3 states. [2020-11-29 19:21:53,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:53,579 INFO L93 Difference]: Finished difference Result 3614 states and 4469 transitions. [2020-11-29 19:21:53,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:53,580 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2020-11-29 19:21:53,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:53,596 INFO L225 Difference]: With dead ends: 3614 [2020-11-29 19:21:53,597 INFO L226 Difference]: Without dead ends: 2274 [2020-11-29 19:21:53,600 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 [2020-11-29 19:21:53,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2274 states. [2020-11-29 19:21:53,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2274 to 1897. [2020-11-29 19:21:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1897 states. [2020-11-29 19:21:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2305 transitions. [2020-11-29 19:21:53,663 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2305 transitions. Word has length 170 [2020-11-29 19:21:53,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:53,666 INFO L481 AbstractCegarLoop]: Abstraction has 1897 states and 2305 transitions. [2020-11-29 19:21:53,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2305 transitions. [2020-11-29 19:21:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-11-29 19:21:53,673 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:53,673 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:53,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 19:21:53,674 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:53,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:53,675 INFO L82 PathProgramCache]: Analyzing trace with hash -236803092, now seen corresponding path program 1 times [2020-11-29 19:21:53,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:53,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619750982] [2020-11-29 19:21:53,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:53,978 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-29 19:21:53,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619750982] [2020-11-29 19:21:53,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:21:53,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:21:53,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777357661] [2020-11-29 19:21:53,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:21:53,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:53,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:21:53,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:21:53,981 INFO L87 Difference]: Start difference. First operand 1897 states and 2305 transitions. Second operand 3 states. [2020-11-29 19:21:55,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:55,663 INFO L93 Difference]: Finished difference Result 4900 states and 6074 transitions. [2020-11-29 19:21:55,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:21:55,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2020-11-29 19:21:55,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:55,684 INFO L225 Difference]: With dead ends: 4900 [2020-11-29 19:21:55,685 INFO L226 Difference]: Without dead ends: 3005 [2020-11-29 19:21:55,688 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 [2020-11-29 19:21:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3005 states. [2020-11-29 19:21:55,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3005 to 3002. [2020-11-29 19:21:55,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3002 states. [2020-11-29 19:21:55,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 3002 states and 3716 transitions. [2020-11-29 19:21:55,772 INFO L78 Accepts]: Start accepts. Automaton has 3002 states and 3716 transitions. Word has length 225 [2020-11-29 19:21:55,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:55,773 INFO L481 AbstractCegarLoop]: Abstraction has 3002 states and 3716 transitions. [2020-11-29 19:21:55,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:21:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 3716 transitions. [2020-11-29 19:21:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-11-29 19:21:55,779 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:55,780 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:55,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 19:21:55,780 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:55,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:55,781 INFO L82 PathProgramCache]: Analyzing trace with hash -228589371, now seen corresponding path program 1 times [2020-11-29 19:21:55,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:55,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854890824] [2020-11-29 19:21:55,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:21:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-29 19:21:56,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854890824] [2020-11-29 19:21:56,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429585490] [2020-11-29 19:21:56,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/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 [2020-11-29 19:21:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:21:56,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 19:21:56,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:21:56,418 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:21:56,441 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:21:56,483 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 19:21:56,687 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 14 [2020-11-29 19:21:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-11-29 19:21:56,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-29 19:21:56,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-11-29 19:21:56,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7387139] [2020-11-29 19:21:56,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:21:56,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:21:56,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:21:56,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:56,884 INFO L87 Difference]: Start difference. First operand 3002 states and 3716 transitions. Second operand 4 states. [2020-11-29 19:21:59,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:21:59,554 INFO L93 Difference]: Finished difference Result 8410 states and 10790 transitions. [2020-11-29 19:21:59,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:21:59,560 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 235 [2020-11-29 19:21:59,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:21:59,597 INFO L225 Difference]: With dead ends: 8410 [2020-11-29 19:21:59,597 INFO L226 Difference]: Without dead ends: 5410 [2020-11-29 19:21:59,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:21:59,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5410 states. [2020-11-29 19:21:59,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5410 to 4114. [2020-11-29 19:21:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4114 states. [2020-11-29 19:21:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4114 states to 4114 states and 5108 transitions. [2020-11-29 19:21:59,726 INFO L78 Accepts]: Start accepts. Automaton has 4114 states and 5108 transitions. Word has length 235 [2020-11-29 19:21:59,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:21:59,727 INFO L481 AbstractCegarLoop]: Abstraction has 4114 states and 5108 transitions. [2020-11-29 19:21:59,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:21:59,735 INFO L276 IsEmpty]: Start isEmpty. Operand 4114 states and 5108 transitions. [2020-11-29 19:21:59,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-11-29 19:21:59,748 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:21:59,748 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:21:59,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-29 19:21:59,963 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:21:59,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:21:59,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1468344724, now seen corresponding path program 1 times [2020-11-29 19:21:59,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:21:59,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653889706] [2020-11-29 19:21:59,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-11-29 19:22:00,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653889706] [2020-11-29 19:22:00,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:00,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:22:00,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81329779] [2020-11-29 19:22:00,375 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:22:00,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:22:00,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:22:00,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:22:00,378 INFO L87 Difference]: Start difference. First operand 4114 states and 5108 transitions. Second operand 3 states. [2020-11-29 19:22:01,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:01,762 INFO L93 Difference]: Finished difference Result 9512 states and 11896 transitions. [2020-11-29 19:22:01,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:22:01,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2020-11-29 19:22:01,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:01,800 INFO L225 Difference]: With dead ends: 9512 [2020-11-29 19:22:01,800 INFO L226 Difference]: Without dead ends: 5400 [2020-11-29 19:22:01,807 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 [2020-11-29 19:22:01,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5400 states. [2020-11-29 19:22:01,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5400 to 5398. [2020-11-29 19:22:01,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5398 states. [2020-11-29 19:22:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5398 states to 5398 states and 6528 transitions. [2020-11-29 19:22:01,949 INFO L78 Accepts]: Start accepts. Automaton has 5398 states and 6528 transitions. Word has length 322 [2020-11-29 19:22:01,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:01,950 INFO L481 AbstractCegarLoop]: Abstraction has 5398 states and 6528 transitions. [2020-11-29 19:22:01,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:22:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 5398 states and 6528 transitions. [2020-11-29 19:22:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-11-29 19:22:01,967 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:01,967 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:01,967 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 19:22:01,968 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:01,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:01,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1401860465, now seen corresponding path program 1 times [2020-11-29 19:22:01,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:22:01,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074068221] [2020-11-29 19:22:01,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-29 19:22:02,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074068221] [2020-11-29 19:22:02,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:02,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:22:02,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319358837] [2020-11-29 19:22:02,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:22:02,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:22:02,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:22:02,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:22:02,390 INFO L87 Difference]: Start difference. First operand 5398 states and 6528 transitions. Second operand 3 states. [2020-11-29 19:22:03,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:03,683 INFO L93 Difference]: Finished difference Result 12265 states and 14964 transitions. [2020-11-29 19:22:03,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:22:03,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 366 [2020-11-29 19:22:03,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:03,733 INFO L225 Difference]: With dead ends: 12265 [2020-11-29 19:22:03,734 INFO L226 Difference]: Without dead ends: 6685 [2020-11-29 19:22:03,742 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 [2020-11-29 19:22:03,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6685 states. [2020-11-29 19:22:03,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6685 to 6317. [2020-11-29 19:22:03,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6317 states. [2020-11-29 19:22:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6317 states to 6317 states and 7545 transitions. [2020-11-29 19:22:03,915 INFO L78 Accepts]: Start accepts. Automaton has 6317 states and 7545 transitions. Word has length 366 [2020-11-29 19:22:03,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:03,916 INFO L481 AbstractCegarLoop]: Abstraction has 6317 states and 7545 transitions. [2020-11-29 19:22:03,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:22:03,916 INFO L276 IsEmpty]: Start isEmpty. Operand 6317 states and 7545 transitions. [2020-11-29 19:22:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-11-29 19:22:03,934 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:03,935 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:03,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 19:22:03,936 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:03,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:03,936 INFO L82 PathProgramCache]: Analyzing trace with hash -309745343, now seen corresponding path program 1 times [2020-11-29 19:22:03,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:22:03,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093860493] [2020-11-29 19:22:03,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2020-11-29 19:22:04,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093860493] [2020-11-29 19:22:04,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:04,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:22:04,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394274128] [2020-11-29 19:22:04,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:22:04,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:22:04,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:22:04,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:04,338 INFO L87 Difference]: Start difference. First operand 6317 states and 7545 transitions. Second operand 4 states. [2020-11-29 19:22:06,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:06,742 INFO L93 Difference]: Finished difference Result 17621 states and 20959 transitions. [2020-11-29 19:22:06,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:22:06,743 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 380 [2020-11-29 19:22:06,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:06,801 INFO L225 Difference]: With dead ends: 17621 [2020-11-29 19:22:06,801 INFO L226 Difference]: Without dead ends: 11306 [2020-11-29 19:22:06,811 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 [2020-11-29 19:22:06,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11306 states. [2020-11-29 19:22:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11306 to 10191. [2020-11-29 19:22:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10191 states. [2020-11-29 19:22:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10191 states to 10191 states and 12087 transitions. [2020-11-29 19:22:07,027 INFO L78 Accepts]: Start accepts. Automaton has 10191 states and 12087 transitions. Word has length 380 [2020-11-29 19:22:07,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:07,029 INFO L481 AbstractCegarLoop]: Abstraction has 10191 states and 12087 transitions. [2020-11-29 19:22:07,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 10191 states and 12087 transitions. [2020-11-29 19:22:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2020-11-29 19:22:07,053 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:07,054 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:07,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 19:22:07,054 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:07,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:07,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1867460973, now seen corresponding path program 1 times [2020-11-29 19:22:07,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:22:07,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576687923] [2020-11-29 19:22:07,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:07,581 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-11-29 19:22:07,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576687923] [2020-11-29 19:22:07,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:07,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:22:07,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854530217] [2020-11-29 19:22:07,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 19:22:07,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:22:07,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 19:22:07,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 19:22:07,584 INFO L87 Difference]: Start difference. First operand 10191 states and 12087 transitions. Second operand 4 states. [2020-11-29 19:22:09,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:09,475 INFO L93 Difference]: Finished difference Result 20387 states and 24225 transitions. [2020-11-29 19:22:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 19:22:09,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 400 [2020-11-29 19:22:09,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:09,500 INFO L225 Difference]: With dead ends: 20387 [2020-11-29 19:22:09,500 INFO L226 Difference]: Without dead ends: 11674 [2020-11-29 19:22:09,511 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 [2020-11-29 19:22:09,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11674 states. [2020-11-29 19:22:09,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11674 to 10559. [2020-11-29 19:22:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10559 states. [2020-11-29 19:22:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10559 states to 10559 states and 12485 transitions. [2020-11-29 19:22:09,710 INFO L78 Accepts]: Start accepts. Automaton has 10559 states and 12485 transitions. Word has length 400 [2020-11-29 19:22:09,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:09,711 INFO L481 AbstractCegarLoop]: Abstraction has 10559 states and 12485 transitions. [2020-11-29 19:22:09,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 19:22:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 10559 states and 12485 transitions. [2020-11-29 19:22:09,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2020-11-29 19:22:09,737 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:09,738 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:09,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 19:22:09,739 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:09,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:09,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1561303335, now seen corresponding path program 1 times [2020-11-29 19:22:09,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:22:09,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115825222] [2020-11-29 19:22:09,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2020-11-29 19:22:10,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115825222] [2020-11-29 19:22:10,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:10,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:22:10,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407795027] [2020-11-29 19:22:10,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:22:10,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:22:10,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:22:10,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:22:10,089 INFO L87 Difference]: Start difference. First operand 10559 states and 12485 transitions. Second operand 3 states. [2020-11-29 19:22:11,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:11,497 INFO L93 Difference]: Finished difference Result 23328 states and 27804 transitions. [2020-11-29 19:22:11,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:22:11,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 407 [2020-11-29 19:22:11,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:11,526 INFO L225 Difference]: With dead ends: 23328 [2020-11-29 19:22:11,526 INFO L226 Difference]: Without dead ends: 12955 [2020-11-29 19:22:11,537 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 [2020-11-29 19:22:11,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12955 states. [2020-11-29 19:22:11,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12955 to 12766. [2020-11-29 19:22:11,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12766 states. [2020-11-29 19:22:11,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12766 states to 12766 states and 14984 transitions. [2020-11-29 19:22:11,748 INFO L78 Accepts]: Start accepts. Automaton has 12766 states and 14984 transitions. Word has length 407 [2020-11-29 19:22:11,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:11,749 INFO L481 AbstractCegarLoop]: Abstraction has 12766 states and 14984 transitions. [2020-11-29 19:22:11,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:22:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 12766 states and 14984 transitions. [2020-11-29 19:22:11,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2020-11-29 19:22:11,777 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:11,777 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, 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, 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] [2020-11-29 19:22:11,778 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 19:22:11,778 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:11,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:11,779 INFO L82 PathProgramCache]: Analyzing trace with hash -402798134, now seen corresponding path program 1 times [2020-11-29 19:22:11,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:22:11,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494796645] [2020-11-29 19:22:11,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-11-29 19:22:12,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494796645] [2020-11-29 19:22:12,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:12,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:22:12,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250201568] [2020-11-29 19:22:12,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:22:12,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:22:12,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:22:12,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:22:12,296 INFO L87 Difference]: Start difference. First operand 12766 states and 14984 transitions. Second operand 3 states. [2020-11-29 19:22:13,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:13,506 INFO L93 Difference]: Finished difference Result 26649 states and 31318 transitions. [2020-11-29 19:22:13,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:22:13,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 467 [2020-11-29 19:22:13,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:13,540 INFO L225 Difference]: With dead ends: 26649 [2020-11-29 19:22:13,540 INFO L226 Difference]: Without dead ends: 15545 [2020-11-29 19:22:13,550 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 [2020-11-29 19:22:13,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15545 states. [2020-11-29 19:22:13,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15545 to 14790. [2020-11-29 19:22:13,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14790 states. [2020-11-29 19:22:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14790 states to 14790 states and 17177 transitions. [2020-11-29 19:22:13,784 INFO L78 Accepts]: Start accepts. Automaton has 14790 states and 17177 transitions. Word has length 467 [2020-11-29 19:22:13,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:13,785 INFO L481 AbstractCegarLoop]: Abstraction has 14790 states and 17177 transitions. [2020-11-29 19:22:13,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:22:13,785 INFO L276 IsEmpty]: Start isEmpty. Operand 14790 states and 17177 transitions. [2020-11-29 19:22:13,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-11-29 19:22:13,808 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:13,809 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:13,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 19:22:13,809 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:13,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:13,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1891329319, now seen corresponding path program 1 times [2020-11-29 19:22:13,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:22:13,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100749577] [2020-11-29 19:22:13,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:14,351 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-11-29 19:22:14,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100749577] [2020-11-29 19:22:14,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:14,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 19:22:14,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513100158] [2020-11-29 19:22:14,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 19:22:14,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:22:14,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 19:22:14,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 19:22:14,354 INFO L87 Difference]: Start difference. First operand 14790 states and 17177 transitions. Second operand 3 states. [2020-11-29 19:22:15,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:15,536 INFO L93 Difference]: Finished difference Result 27178 states and 31640 transitions. [2020-11-29 19:22:15,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 19:22:15,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 468 [2020-11-29 19:22:15,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:15,538 INFO L225 Difference]: With dead ends: 27178 [2020-11-29 19:22:15,538 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 19:22:15,552 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 [2020-11-29 19:22:15,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 19:22:15,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 19:22:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 19:22:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 19:22:15,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 468 [2020-11-29 19:22:15,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:15,553 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:22:15,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 19:22:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:22:15,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:22:15,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 19:22:15,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 19:22:15,672 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 65 [2020-11-29 19:22:15,952 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2020-11-29 19:22:16,131 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2020-11-29 19:22:16,134 INFO L274 CegarLoopResult]: For program point L498(lines 498 509) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-11-29 19:22:16,135 INFO L274 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-11-29 19:22:16,136 INFO L274 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L768(lines 768 778) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-11-29 19:22:16,137 INFO L274 CegarLoopResult]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,138 INFO L274 CegarLoopResult]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,138 INFO L274 CegarLoopResult]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,138 INFO L270 CegarLoopResult]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse0 (<= ~a29~0 275)) (.cse1 (= ~a4~0 1))) (or (and .cse0 .cse1) (and .cse0 (= ~a25~0 12)) (and .cse0 (= ~a25~0 10)) (and (<= ~a23~0 312) (not .cse1)) (and (<= ~a25~0 10) .cse1) (and .cse1 (<= 0 (+ ~a23~0 4))))) [2020-11-29 19:22:16,138 INFO L274 CegarLoopResult]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,138 INFO L274 CegarLoopResult]: For program point L705(lines 705 715) no Hoare annotation was computed. [2020-11-29 19:22:16,138 INFO L274 CegarLoopResult]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2020-11-29 19:22:16,138 INFO L274 CegarLoopResult]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,138 INFO L274 CegarLoopResult]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,138 INFO L274 CegarLoopResult]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L277 CegarLoopResult]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,139 INFO L274 CegarLoopResult]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,140 INFO L274 CegarLoopResult]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L270 CegarLoopResult]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (<= ~a29~0 275)) (.cse1 (= ~a4~0 1))) (or (and .cse0 .cse1) (and .cse0 (= ~a25~0 12)) (and .cse0 (= ~a25~0 10)) (and (<= ~a23~0 312) (not .cse1)) (and (<= ~a25~0 10) .cse1) (and .cse1 (<= 0 (+ ~a23~0 4))))) [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,141 INFO L274 CegarLoopResult]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,142 INFO L274 CegarLoopResult]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,142 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-29 19:22:16,142 INFO L274 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-11-29 19:22:16,142 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 19:22:16,142 INFO L274 CegarLoopResult]: For program point L980(lines 980 990) no Hoare annotation was computed. [2020-11-29 19:22:16,142 INFO L274 CegarLoopResult]: For program point L914(lines 914 924) no Hoare annotation was computed. [2020-11-29 19:22:16,142 INFO L274 CegarLoopResult]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2020-11-29 19:22:16,142 INFO L274 CegarLoopResult]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2020-11-29 19:22:16,142 INFO L274 CegarLoopResult]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,142 INFO L274 CegarLoopResult]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,153 INFO L274 CegarLoopResult]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,153 INFO L274 CegarLoopResult]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,153 INFO L274 CegarLoopResult]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,153 INFO L274 CegarLoopResult]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,153 INFO L274 CegarLoopResult]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,153 INFO L274 CegarLoopResult]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,153 INFO L274 CegarLoopResult]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,154 INFO L274 CegarLoopResult]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,154 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 19:22:16,154 INFO L274 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-11-29 19:22:16,154 INFO L274 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-11-29 19:22:16,154 INFO L274 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-11-29 19:22:16,154 INFO L274 CegarLoopResult]: For program point L1049(line 1049) no Hoare annotation was computed. [2020-11-29 19:22:16,154 INFO L274 CegarLoopResult]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,154 INFO L274 CegarLoopResult]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,155 INFO L274 CegarLoopResult]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,155 INFO L274 CegarLoopResult]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,155 INFO L274 CegarLoopResult]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,155 INFO L274 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-11-29 19:22:16,155 INFO L274 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-11-29 19:22:16,155 INFO L274 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-11-29 19:22:16,155 INFO L274 CegarLoopResult]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,156 INFO L274 CegarLoopResult]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,156 INFO L274 CegarLoopResult]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,156 INFO L274 CegarLoopResult]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,157 INFO L274 CegarLoopResult]: For program point L525(lines 525 535) no Hoare annotation was computed. [2020-11-29 19:22:16,157 INFO L274 CegarLoopResult]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2020-11-29 19:22:16,157 INFO L274 CegarLoopResult]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,157 INFO L274 CegarLoopResult]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,157 INFO L274 CegarLoopResult]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,157 INFO L274 CegarLoopResult]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,157 INFO L274 CegarLoopResult]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,158 INFO L274 CegarLoopResult]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,158 INFO L274 CegarLoopResult]: For program point L658(lines 658 667) no Hoare annotation was computed. [2020-11-29 19:22:16,158 INFO L274 CegarLoopResult]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2020-11-29 19:22:16,158 INFO L274 CegarLoopResult]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,158 INFO L274 CegarLoopResult]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,158 INFO L274 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-11-29 19:22:16,158 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-11-29 19:22:16,159 INFO L274 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-11-29 19:22:16,159 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 19:22:16,159 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 19:22:16,159 INFO L274 CegarLoopResult]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,159 INFO L274 CegarLoopResult]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,159 INFO L274 CegarLoopResult]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,159 INFO L274 CegarLoopResult]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,160 INFO L274 CegarLoopResult]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,160 INFO L274 CegarLoopResult]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,161 INFO L274 CegarLoopResult]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,161 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-29 19:22:16,161 INFO L274 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-11-29 19:22:16,161 INFO L274 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-11-29 19:22:16,161 INFO L274 CegarLoopResult]: For program point L926(lines 926 936) no Hoare annotation was computed. [2020-11-29 19:22:16,161 INFO L274 CegarLoopResult]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2020-11-29 19:22:16,161 INFO L274 CegarLoopResult]: For program point L728(lines 728 740) no Hoare annotation was computed. [2020-11-29 19:22:16,162 INFO L274 CegarLoopResult]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2020-11-29 19:22:16,162 INFO L274 CegarLoopResult]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,162 INFO L274 CegarLoopResult]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,162 INFO L274 CegarLoopResult]: For program point L597(lines 597 607) no Hoare annotation was computed. [2020-11-29 19:22:16,162 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2020-11-29 19:22:16,162 INFO L274 CegarLoopResult]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,162 INFO L274 CegarLoopResult]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,162 INFO L274 CegarLoopResult]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,163 INFO L274 CegarLoopResult]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,163 INFO L274 CegarLoopResult]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,163 INFO L274 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-11-29 19:22:16,163 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-29 19:22:16,163 INFO L274 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-11-29 19:22:16,164 INFO L274 CegarLoopResult]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,165 INFO L274 CegarLoopResult]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,165 INFO L274 CegarLoopResult]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,165 INFO L274 CegarLoopResult]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,165 INFO L274 CegarLoopResult]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,165 INFO L274 CegarLoopResult]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,165 INFO L274 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-11-29 19:22:16,165 INFO L274 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-11-29 19:22:16,166 INFO L274 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-11-29 19:22:16,166 INFO L274 CegarLoopResult]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,166 INFO L274 CegarLoopResult]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,166 INFO L274 CegarLoopResult]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,166 INFO L274 CegarLoopResult]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,166 INFO L274 CegarLoopResult]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,166 INFO L274 CegarLoopResult]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,166 INFO L274 CegarLoopResult]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,167 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L409(lines 409 420) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,168 INFO L274 CegarLoopResult]: For program point L214(line 214) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L876(lines 876 885) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,169 INFO L274 CegarLoopResult]: For program point L614(lines 614 624) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L815(lines 815 825) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,170 INFO L274 CegarLoopResult]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,171 INFO L274 CegarLoopResult]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,171 INFO L274 CegarLoopResult]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,171 INFO L274 CegarLoopResult]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,171 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-29 19:22:16,171 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-11-29 19:22:16,172 INFO L274 CegarLoopResult]: For program point L950(lines 950 962) no Hoare annotation was computed. [2020-11-29 19:22:16,172 INFO L274 CegarLoopResult]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2020-11-29 19:22:16,172 INFO L274 CegarLoopResult]: For program point L488(lines 488 496) no Hoare annotation was computed. [2020-11-29 19:22:16,172 INFO L274 CegarLoopResult]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2020-11-29 19:22:16,172 INFO L274 CegarLoopResult]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,172 INFO L274 CegarLoopResult]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,173 INFO L274 CegarLoopResult]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,173 INFO L274 CegarLoopResult]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,174 INFO L274 CegarLoopResult]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,174 INFO L274 CegarLoopResult]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-29 19:22:16,175 INFO L274 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L33(lines 33 35) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-11-29 19:22:16,176 INFO L274 CegarLoopResult]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2020-11-29 19:22:16,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:22:16 BoogieIcfgContainer [2020-11-29 19:22:16,194 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:22:16,195 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:22:16,195 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:22:16,195 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:22:16,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:21:45" (3/4) ... [2020-11-29 19:22:16,199 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:22:16,226 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 19:22:16,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 19:22:16,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:22:16,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 19:22:16,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6e094c56-e5ad-4fd6-ba7c-218d9b221957/bin/uautomizer/witness.graphml [2020-11-29 19:22:16,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:22:16,453 INFO L168 Benchmark]: Toolchain (without parser) took 35208.90 ms. Allocated memory was 113.2 MB in the beginning and 696.3 MB in the end (delta: 583.0 MB). Free memory was 79.3 MB in the beginning and 245.4 MB in the end (delta: -166.1 MB). Peak memory consumption was 416.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:16,454 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 83.9 MB. Free memory was 43.9 MB in the beginning and 43.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:22:16,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1222.24 ms. Allocated memory is still 113.2 MB. Free memory was 79.0 MB in the beginning and 56.7 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:16,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.17 ms. Allocated memory is still 113.2 MB. Free memory was 56.7 MB in the beginning and 40.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:16,456 INFO L168 Benchmark]: Boogie Preprocessor took 320.50 ms. Allocated memory is still 113.2 MB. Free memory was 40.0 MB in the beginning and 73.6 MB in the end (delta: -33.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:16,456 INFO L168 Benchmark]: RCFGBuilder took 2581.99 ms. Allocated memory was 113.2 MB in the beginning and 186.6 MB in the end (delta: 73.4 MB). Free memory was 73.6 MB in the beginning and 114.9 MB in the end (delta: -41.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:16,457 INFO L168 Benchmark]: TraceAbstraction took 30593.53 ms. Allocated memory was 186.6 MB in the beginning and 696.3 MB in the end (delta: 509.6 MB). Free memory was 114.9 MB in the beginning and 270.5 MB in the end (delta: -155.6 MB). Peak memory consumption was 353.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:16,458 INFO L168 Benchmark]: Witness Printer took 257.40 ms. Allocated memory is still 696.3 MB. Free memory was 270.5 MB in the beginning and 245.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:16,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 83.9 MB. Free memory was 43.9 MB in the beginning and 43.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1222.24 ms. Allocated memory is still 113.2 MB. Free memory was 79.0 MB in the beginning and 56.7 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 220.17 ms. Allocated memory is still 113.2 MB. Free memory was 56.7 MB in the beginning and 40.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 320.50 ms. Allocated memory is still 113.2 MB. Free memory was 40.0 MB in the beginning and 73.6 MB in the end (delta: -33.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2581.99 ms. Allocated memory was 113.2 MB in the beginning and 186.6 MB in the end (delta: 73.4 MB). Free memory was 73.6 MB in the beginning and 114.9 MB in the end (delta: -41.3 MB). Peak memory consumption was 68.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30593.53 ms. Allocated memory was 186.6 MB in the beginning and 696.3 MB in the end (delta: 509.6 MB). Free memory was 114.9 MB in the beginning and 270.5 MB in the end (delta: -155.6 MB). Peak memory consumption was 353.0 MB. Max. memory is 16.1 GB. * Witness Printer took 257.40 ms. Allocated memory is still 696.3 MB. Free memory was 270.5 MB in the beginning and 245.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 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: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((a29 <= 275 && a4 == 1) || (a29 <= 275 && a25 == 12)) || (a29 <= 275 && a25 == 10)) || (a23 <= 312 && !(a4 == 1))) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && 0 <= a23 + 4) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((a29 <= 275 && a4 == 1) || (a29 <= 275 && a25 == 12)) || (a29 <= 275 && a25 == 10)) || (a23 <= 312 && !(a4 == 1))) || (a25 <= 10 && a4 == 1)) || (a4 == 1 && 0 <= a23 + 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 284 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.8s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 22.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2327 SDtfs, 2298 SDslu, 368 SDs, 0 SdLazy, 8805 SolverSat, 1536 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14790occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 5231 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 167 NumberOfFragments, 93 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3868 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1086 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 3940 NumberOfCodeBlocks, 3940 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3926 ConstructedInterpolants, 0 QuantifiedInterpolants, 2868789 SizeOfPredicates, 1 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 3924/4086 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...