./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label07.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_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label07.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/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 da188367712a7f199981f53b19f325dd84e9309a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:03:44,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:03:44,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:03:44,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:03:44,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:03:44,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:03:44,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:03:44,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:03:44,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:03:44,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:03:44,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:03:44,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:03:44,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:03:44,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:03:44,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:03:44,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:03:44,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:03:44,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:03:44,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:03:44,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:03:44,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:03:44,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:03:44,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:03:44,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:03:44,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:03:44,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:03:44,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:03:44,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:03:44,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:03:44,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:03:44,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:03:44,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:03:44,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:03:44,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:03:44,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:03:44,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:03:44,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:03:44,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:03:44,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:03:44,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:03:44,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:03:44,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 21:03:44,724 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:03:44,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:03:44,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:03:44,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:03:44,727 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 21:03:44,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:03:44,728 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:03:44,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:03:44,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:03:44,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:03:44,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:03:44,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:03:44,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:03:44,730 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:03:44,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:03:44,731 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:03:44,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:03:44,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:03:44,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 21:03:44,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:03:44,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 21:03:44,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 21:03:44,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:03:44,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:03:44,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:03:44,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 21:03:44,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:03:44,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:03:44,734 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 21:03:44,734 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_2edb42c5-edf3-4702-8493-4fabb6c2894f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da188367712a7f199981f53b19f325dd84e9309a [2020-11-29 21:03:45,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:03:45,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:03:45,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:03:45,047 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:03:45,048 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:03:45,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem16_label07.c [2020-11-29 21:03:45,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/data/f19687d75/9fb7c2cbd32e45c19bd6a5c2105b40a1/FLAG368df527e [2020-11-29 21:03:45,900 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:03:45,901 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/sv-benchmarks/c/eca-rers2012/Problem16_label07.c [2020-11-29 21:03:45,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/data/f19687d75/9fb7c2cbd32e45c19bd6a5c2105b40a1/FLAG368df527e [2020-11-29 21:03:46,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/data/f19687d75/9fb7c2cbd32e45c19bd6a5c2105b40a1 [2020-11-29 21:03:46,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:03:46,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:03:46,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:03:46,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:03:46,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:03:46,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:03:46" (1/1) ... [2020-11-29 21:03:46,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6443d850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:46, skipping insertion in model container [2020-11-29 21:03:46,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:03:46" (1/1) ... [2020-11-29 21:03:46,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:03:46,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:03:47,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:03:47,058 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:03:47,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:03:47,330 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:03:47,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47 WrapperNode [2020-11-29 21:03:47,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:03:47,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:03:47,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:03:47,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:03:47,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (1/1) ... [2020-11-29 21:03:47,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (1/1) ... [2020-11-29 21:03:47,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:03:47,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:03:47,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:03:47,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:03:47,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (1/1) ... [2020-11-29 21:03:47,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (1/1) ... [2020-11-29 21:03:47,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (1/1) ... [2020-11-29 21:03:47,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (1/1) ... [2020-11-29 21:03:47,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (1/1) ... [2020-11-29 21:03:47,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (1/1) ... [2020-11-29 21:03:47,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (1/1) ... [2020-11-29 21:03:47,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:03:47,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:03:47,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:03:47,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:03:47,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/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 21:03:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:03:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:03:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:03:47,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:03:50,366 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:03:50,366 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-29 21:03:50,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:03:50 BoogieIcfgContainer [2020-11-29 21:03:50,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:03:50,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 21:03:50,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 21:03:50,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 21:03:50,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 09:03:46" (1/3) ... [2020-11-29 21:03:50,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281905ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:03:50, skipping insertion in model container [2020-11-29 21:03:50,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:03:47" (2/3) ... [2020-11-29 21:03:50,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281905ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 09:03:50, skipping insertion in model container [2020-11-29 21:03:50,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:03:50" (3/3) ... [2020-11-29 21:03:50,380 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label07.c [2020-11-29 21:03:50,391 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 21:03:50,396 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 21:03:50,407 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 21:03:50,446 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 21:03:50,446 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 21:03:50,446 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 21:03:50,446 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 21:03:50,447 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 21:03:50,447 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 21:03:50,447 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 21:03:50,447 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 21:03:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-11-29 21:03:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 21:03:50,502 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:03:50,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:03:50,503 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:03:50,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:03:50,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1425694346, now seen corresponding path program 1 times [2020-11-29 21:03:50,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:03:50,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691992538] [2020-11-29 21:03:50,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:03:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:03:50,871 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 21:03:50,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691992538] [2020-11-29 21:03:50,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:03:50,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:03:50,874 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650787826] [2020-11-29 21:03:50,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:03:50,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:03:50,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:03:50,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:03:50,897 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 4 states. [2020-11-29 21:03:57,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:03:57,568 INFO L93 Difference]: Finished difference Result 1457 states and 2765 transitions. [2020-11-29 21:03:57,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 21:03:57,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-11-29 21:03:57,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:03:57,600 INFO L225 Difference]: With dead ends: 1457 [2020-11-29 21:03:57,600 INFO L226 Difference]: Without dead ends: 991 [2020-11-29 21:03:57,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:03:57,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2020-11-29 21:03:57,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2020-11-29 21:03:57,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2020-11-29 21:03:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1471 transitions. [2020-11-29 21:03:57,756 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1471 transitions. Word has length 54 [2020-11-29 21:03:57,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:03:57,757 INFO L481 AbstractCegarLoop]: Abstraction has 991 states and 1471 transitions. [2020-11-29 21:03:57,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:03:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1471 transitions. [2020-11-29 21:03:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-29 21:03:57,769 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:03:57,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:03:57,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 21:03:57,770 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:03:57,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:03:57,773 INFO L82 PathProgramCache]: Analyzing trace with hash 174541339, now seen corresponding path program 1 times [2020-11-29 21:03:57,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:03:57,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721841239] [2020-11-29 21:03:57,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:03:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:03:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2020-11-29 21:03:58,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721841239] [2020-11-29 21:03:58,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:03:58,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:03:58,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783034158] [2020-11-29 21:03:58,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:03:58,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:03:58,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:03:58,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:03:58,093 INFO L87 Difference]: Start difference. First operand 991 states and 1471 transitions. Second operand 3 states. [2020-11-29 21:04:00,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:00,475 INFO L93 Difference]: Finished difference Result 2309 states and 3726 transitions. [2020-11-29 21:04:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:00,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2020-11-29 21:04:00,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:00,488 INFO L225 Difference]: With dead ends: 2309 [2020-11-29 21:04:00,488 INFO L226 Difference]: Without dead ends: 1649 [2020-11-29 21:04:00,492 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 21:04:00,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2020-11-29 21:04:00,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2020-11-29 21:04:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2020-11-29 21:04:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2273 transitions. [2020-11-29 21:04:00,544 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2273 transitions. Word has length 141 [2020-11-29 21:04:00,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:00,548 INFO L481 AbstractCegarLoop]: Abstraction has 1649 states and 2273 transitions. [2020-11-29 21:04:00,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:00,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2273 transitions. [2020-11-29 21:04:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-11-29 21:04:00,561 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:00,562 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2020-11-29 21:04:00,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 21:04:00,563 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:00,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:00,564 INFO L82 PathProgramCache]: Analyzing trace with hash -786113922, now seen corresponding path program 1 times [2020-11-29 21:04:00,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:00,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250078479] [2020-11-29 21:04:00,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-11-29 21:04:00,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250078479] [2020-11-29 21:04:00,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:00,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:04:00,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184387347] [2020-11-29 21:04:00,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:00,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:00,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:00,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:04:00,854 INFO L87 Difference]: Start difference. First operand 1649 states and 2273 transitions. Second operand 3 states. [2020-11-29 21:04:03,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:03,248 INFO L93 Difference]: Finished difference Result 4283 states and 6132 transitions. [2020-11-29 21:04:03,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:03,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-11-29 21:04:03,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:03,267 INFO L225 Difference]: With dead ends: 4283 [2020-11-29 21:04:03,267 INFO L226 Difference]: Without dead ends: 2965 [2020-11-29 21:04:03,270 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 21:04:03,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2020-11-29 21:04:03,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2636. [2020-11-29 21:04:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2636 states. [2020-11-29 21:04:03,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3531 transitions. [2020-11-29 21:04:03,343 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3531 transitions. Word has length 220 [2020-11-29 21:04:03,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:03,345 INFO L481 AbstractCegarLoop]: Abstraction has 2636 states and 3531 transitions. [2020-11-29 21:04:03,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3531 transitions. [2020-11-29 21:04:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-11-29 21:04:03,350 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:03,351 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 21:04:03,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 21:04:03,351 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:03,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:03,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1176271780, now seen corresponding path program 1 times [2020-11-29 21:04:03,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:03,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286533771] [2020-11-29 21:04:03,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:03,593 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-11-29 21:04:03,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286533771] [2020-11-29 21:04:03,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:03,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 21:04:03,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159595360] [2020-11-29 21:04:03,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:03,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:03,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:03,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:04:03,596 INFO L87 Difference]: Start difference. First operand 2636 states and 3531 transitions. Second operand 3 states. [2020-11-29 21:04:05,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:05,759 INFO L93 Difference]: Finished difference Result 5599 states and 7527 transitions. [2020-11-29 21:04:05,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:05,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2020-11-29 21:04:05,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:05,783 INFO L225 Difference]: With dead ends: 5599 [2020-11-29 21:04:05,783 INFO L226 Difference]: Without dead ends: 3294 [2020-11-29 21:04:05,787 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 21:04:05,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2020-11-29 21:04:05,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2020-11-29 21:04:05,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3294 states. [2020-11-29 21:04:05,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4033 transitions. [2020-11-29 21:04:05,869 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4033 transitions. Word has length 296 [2020-11-29 21:04:05,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:05,869 INFO L481 AbstractCegarLoop]: Abstraction has 3294 states and 4033 transitions. [2020-11-29 21:04:05,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4033 transitions. [2020-11-29 21:04:05,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2020-11-29 21:04:05,883 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:05,884 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-11-29 21:04:05,884 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 21:04:05,884 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:05,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:05,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1061833842, now seen corresponding path program 1 times [2020-11-29 21:04:05,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:05,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411576538] [2020-11-29 21:04:05,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 553 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2020-11-29 21:04:06,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411576538] [2020-11-29 21:04:06,242 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:06,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:04:06,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240010236] [2020-11-29 21:04:06,243 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:06,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:06,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:06,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:04:06,244 INFO L87 Difference]: Start difference. First operand 3294 states and 4033 transitions. Second operand 3 states. [2020-11-29 21:04:08,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:08,457 INFO L93 Difference]: Finished difference Result 6586 states and 8076 transitions. [2020-11-29 21:04:08,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:08,462 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 473 [2020-11-29 21:04:08,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:08,481 INFO L225 Difference]: With dead ends: 6586 [2020-11-29 21:04:08,481 INFO L226 Difference]: Without dead ends: 3294 [2020-11-29 21:04:08,486 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 21:04:08,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3294 states. [2020-11-29 21:04:08,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3294 to 3294. [2020-11-29 21:04:08,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3294 states. [2020-11-29 21:04:08,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 3480 transitions. [2020-11-29 21:04:08,554 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 3480 transitions. Word has length 473 [2020-11-29 21:04:08,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:08,555 INFO L481 AbstractCegarLoop]: Abstraction has 3294 states and 3480 transitions. [2020-11-29 21:04:08,555 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 3480 transitions. [2020-11-29 21:04:08,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2020-11-29 21:04:08,569 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:08,570 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:08,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 21:04:08,570 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:08,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:08,571 INFO L82 PathProgramCache]: Analyzing trace with hash 830780428, now seen corresponding path program 1 times [2020-11-29 21:04:08,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:08,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95516159] [2020-11-29 21:04:08,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-11-29 21:04:09,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95516159] [2020-11-29 21:04:09,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:09,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:04:09,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699898396] [2020-11-29 21:04:09,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:09,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:09,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:09,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:04:09,137 INFO L87 Difference]: Start difference. First operand 3294 states and 3480 transitions. Second operand 3 states. [2020-11-29 21:04:10,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:10,824 INFO L93 Difference]: Finished difference Result 7902 states and 8408 transitions. [2020-11-29 21:04:10,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:10,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 525 [2020-11-29 21:04:10,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:10,848 INFO L225 Difference]: With dead ends: 7902 [2020-11-29 21:04:10,848 INFO L226 Difference]: Without dead ends: 4939 [2020-11-29 21:04:10,852 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 21:04:10,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4939 states. [2020-11-29 21:04:10,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4939 to 4610. [2020-11-29 21:04:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4610 states. [2020-11-29 21:04:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4610 states and 4822 transitions. [2020-11-29 21:04:10,940 INFO L78 Accepts]: Start accepts. Automaton has 4610 states and 4822 transitions. Word has length 525 [2020-11-29 21:04:10,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:10,942 INFO L481 AbstractCegarLoop]: Abstraction has 4610 states and 4822 transitions. [2020-11-29 21:04:10,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:10,942 INFO L276 IsEmpty]: Start isEmpty. Operand 4610 states and 4822 transitions. [2020-11-29 21:04:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2020-11-29 21:04:10,948 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:10,948 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:10,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 21:04:10,949 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:10,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:10,949 INFO L82 PathProgramCache]: Analyzing trace with hash -9326271, now seen corresponding path program 1 times [2020-11-29 21:04:10,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:10,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516928247] [2020-11-29 21:04:10,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-11-29 21:04:11,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516928247] [2020-11-29 21:04:11,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:11,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:04:11,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966989284] [2020-11-29 21:04:11,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:11,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:11,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:11,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:04:11,405 INFO L87 Difference]: Start difference. First operand 4610 states and 4822 transitions. Second operand 3 states. [2020-11-29 21:04:12,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:12,955 INFO L93 Difference]: Finished difference Result 10534 states and 11092 transitions. [2020-11-29 21:04:12,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:12,955 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 559 [2020-11-29 21:04:12,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:12,981 INFO L225 Difference]: With dead ends: 10534 [2020-11-29 21:04:12,981 INFO L226 Difference]: Without dead ends: 5926 [2020-11-29 21:04:12,987 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 21:04:12,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2020-11-29 21:04:13,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5926. [2020-11-29 21:04:13,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5926 states. [2020-11-29 21:04:13,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 6170 transitions. [2020-11-29 21:04:13,107 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 6170 transitions. Word has length 559 [2020-11-29 21:04:13,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:13,108 INFO L481 AbstractCegarLoop]: Abstraction has 5926 states and 6170 transitions. [2020-11-29 21:04:13,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 6170 transitions. [2020-11-29 21:04:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 719 [2020-11-29 21:04:13,117 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:13,118 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 21:04:13,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 21:04:13,118 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:13,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:13,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1252092942, now seen corresponding path program 1 times [2020-11-29 21:04:13,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:13,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501644623] [2020-11-29 21:04:13,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2020-11-29 21:04:13,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501644623] [2020-11-29 21:04:13,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:13,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:04:13,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83015698] [2020-11-29 21:04:13,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:13,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:13,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:13,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:04:13,892 INFO L87 Difference]: Start difference. First operand 5926 states and 6170 transitions. Second operand 3 states. [2020-11-29 21:04:15,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:15,387 INFO L93 Difference]: Finished difference Result 13166 states and 13784 transitions. [2020-11-29 21:04:15,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:15,388 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 718 [2020-11-29 21:04:15,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:15,419 INFO L225 Difference]: With dead ends: 13166 [2020-11-29 21:04:15,419 INFO L226 Difference]: Without dead ends: 7242 [2020-11-29 21:04:15,426 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 21:04:15,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2020-11-29 21:04:15,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 7242. [2020-11-29 21:04:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7242 states. [2020-11-29 21:04:15,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 7507 transitions. [2020-11-29 21:04:15,568 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 7507 transitions. Word has length 718 [2020-11-29 21:04:15,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:15,570 INFO L481 AbstractCegarLoop]: Abstraction has 7242 states and 7507 transitions. [2020-11-29 21:04:15,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:15,570 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 7507 transitions. [2020-11-29 21:04:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 720 [2020-11-29 21:04:15,579 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:15,580 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 21:04:15,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 21:04:15,580 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:15,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:15,581 INFO L82 PathProgramCache]: Analyzing trace with hash -671254363, now seen corresponding path program 1 times [2020-11-29 21:04:15,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:15,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991770170] [2020-11-29 21:04:15,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:17,022 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 156 proven. 468 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-11-29 21:04:17,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991770170] [2020-11-29 21:04:17,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323291168] [2020-11-29 21:04:17,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/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 21:04:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:17,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:04:17,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:04:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2020-11-29 21:04:17,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 21:04:17,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-11-29 21:04:17,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497801748] [2020-11-29 21:04:17,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:17,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:17,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:17,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 21:04:17,783 INFO L87 Difference]: Start difference. First operand 7242 states and 7507 transitions. Second operand 3 states. [2020-11-29 21:04:19,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:19,237 INFO L93 Difference]: Finished difference Result 14153 states and 14681 transitions. [2020-11-29 21:04:19,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:19,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 719 [2020-11-29 21:04:19,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:19,251 INFO L225 Difference]: With dead ends: 14153 [2020-11-29 21:04:19,251 INFO L226 Difference]: Without dead ends: 7242 [2020-11-29 21:04:19,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-29 21:04:19,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7242 states. [2020-11-29 21:04:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7242 to 7242. [2020-11-29 21:04:19,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7242 states. [2020-11-29 21:04:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 7474 transitions. [2020-11-29 21:04:19,405 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 7474 transitions. Word has length 719 [2020-11-29 21:04:19,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:19,406 INFO L481 AbstractCegarLoop]: Abstraction has 7242 states and 7474 transitions. [2020-11-29 21:04:19,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:19,407 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 7474 transitions. [2020-11-29 21:04:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1148 [2020-11-29 21:04:19,428 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:19,429 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-11-29 21:04:19,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-11-29 21:04:19,642 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:19,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:19,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1288652754, now seen corresponding path program 1 times [2020-11-29 21:04:19,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:19,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96869561] [2020-11-29 21:04:19,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2139 backedges. 1464 proven. 0 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2020-11-29 21:04:21,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96869561] [2020-11-29 21:04:21,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:21,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 21:04:21,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524675512] [2020-11-29 21:04:21,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 21:04:21,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:21,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 21:04:21,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 21:04:21,860 INFO L87 Difference]: Start difference. First operand 7242 states and 7474 transitions. Second operand 4 states. [2020-11-29 21:04:23,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:23,666 INFO L93 Difference]: Finished difference Result 14173 states and 14635 transitions. [2020-11-29 21:04:23,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-29 21:04:23,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1147 [2020-11-29 21:04:23,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:23,680 INFO L225 Difference]: With dead ends: 14173 [2020-11-29 21:04:23,680 INFO L226 Difference]: Without dead ends: 7262 [2020-11-29 21:04:23,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:04:23,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7262 states. [2020-11-29 21:04:23,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7262 to 7242. [2020-11-29 21:04:23,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7242 states. [2020-11-29 21:04:23,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 7472 transitions. [2020-11-29 21:04:23,786 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 7472 transitions. Word has length 1147 [2020-11-29 21:04:23,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:23,788 INFO L481 AbstractCegarLoop]: Abstraction has 7242 states and 7472 transitions. [2020-11-29 21:04:23,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 21:04:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 7472 transitions. [2020-11-29 21:04:23,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1318 [2020-11-29 21:04:23,817 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:23,818 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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 21:04:23,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 21:04:23,818 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:23,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:23,819 INFO L82 PathProgramCache]: Analyzing trace with hash -2130951821, now seen corresponding path program 1 times [2020-11-29 21:04:23,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:23,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591173406] [2020-11-29 21:04:23,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:25,500 INFO L134 CoverageAnalysis]: Checked inductivity of 3171 backedges. 1119 proven. 0 refuted. 0 times theorem prover too weak. 2052 trivial. 0 not checked. [2020-11-29 21:04:25,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591173406] [2020-11-29 21:04:25,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:25,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:04:25,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770081797] [2020-11-29 21:04:25,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:25,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:25,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:25,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:04:25,503 INFO L87 Difference]: Start difference. First operand 7242 states and 7472 transitions. Second operand 3 states. [2020-11-29 21:04:26,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:26,706 INFO L93 Difference]: Finished difference Result 16127 states and 16647 transitions. [2020-11-29 21:04:26,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:26,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1317 [2020-11-29 21:04:26,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:26,720 INFO L225 Difference]: With dead ends: 16127 [2020-11-29 21:04:26,720 INFO L226 Difference]: Without dead ends: 7900 [2020-11-29 21:04:26,727 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 21:04:26,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7900 states. [2020-11-29 21:04:26,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7900 to 7900. [2020-11-29 21:04:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7900 states. [2020-11-29 21:04:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7900 states to 7900 states and 8114 transitions. [2020-11-29 21:04:26,829 INFO L78 Accepts]: Start accepts. Automaton has 7900 states and 8114 transitions. Word has length 1317 [2020-11-29 21:04:26,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:26,831 INFO L481 AbstractCegarLoop]: Abstraction has 7900 states and 8114 transitions. [2020-11-29 21:04:26,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 7900 states and 8114 transitions. [2020-11-29 21:04:26,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1348 [2020-11-29 21:04:26,854 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:26,857 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:04:26,857 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-29 21:04:26,857 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:26,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:26,858 INFO L82 PathProgramCache]: Analyzing trace with hash -405623160, now seen corresponding path program 1 times [2020-11-29 21:04:26,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:26,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697369021] [2020-11-29 21:04:26,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3849 backedges. 2407 proven. 0 refuted. 0 times theorem prover too weak. 1442 trivial. 0 not checked. [2020-11-29 21:04:28,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697369021] [2020-11-29 21:04:28,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:28,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:04:28,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752936107] [2020-11-29 21:04:28,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:28,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:28,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:28,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:04:28,728 INFO L87 Difference]: Start difference. First operand 7900 states and 8114 transitions. Second operand 3 states. [2020-11-29 21:04:30,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:30,067 INFO L93 Difference]: Finished difference Result 16456 states and 16897 transitions. [2020-11-29 21:04:30,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:30,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1347 [2020-11-29 21:04:30,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:30,082 INFO L225 Difference]: With dead ends: 16456 [2020-11-29 21:04:30,083 INFO L226 Difference]: Without dead ends: 8887 [2020-11-29 21:04:30,090 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 21:04:30,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2020-11-29 21:04:30,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8887. [2020-11-29 21:04:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-11-29 21:04:30,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9108 transitions. [2020-11-29 21:04:30,200 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9108 transitions. Word has length 1347 [2020-11-29 21:04:30,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:30,201 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9108 transitions. [2020-11-29 21:04:30,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9108 transitions. [2020-11-29 21:04:30,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1366 [2020-11-29 21:04:30,226 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:30,227 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 21:04:30,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 21:04:30,227 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:30,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:30,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1120677507, now seen corresponding path program 1 times [2020-11-29 21:04:30,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:30,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711623114] [2020-11-29 21:04:30,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3858 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 3443 trivial. 0 not checked. [2020-11-29 21:04:31,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711623114] [2020-11-29 21:04:31,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:31,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:04:31,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183984406] [2020-11-29 21:04:31,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:31,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:31,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:31,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:04:31,658 INFO L87 Difference]: Start difference. First operand 8887 states and 9108 transitions. Second operand 3 states. [2020-11-29 21:04:32,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:32,456 INFO L93 Difference]: Finished difference Result 9223 states and 9444 transitions. [2020-11-29 21:04:32,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:32,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1365 [2020-11-29 21:04:32,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:32,470 INFO L225 Difference]: With dead ends: 9223 [2020-11-29 21:04:32,470 INFO L226 Difference]: Without dead ends: 8887 [2020-11-29 21:04:32,473 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 21:04:32,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8887 states. [2020-11-29 21:04:32,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8887 to 8887. [2020-11-29 21:04:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8887 states. [2020-11-29 21:04:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9107 transitions. [2020-11-29 21:04:32,576 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9107 transitions. Word has length 1365 [2020-11-29 21:04:32,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:32,578 INFO L481 AbstractCegarLoop]: Abstraction has 8887 states and 9107 transitions. [2020-11-29 21:04:32,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9107 transitions. [2020-11-29 21:04:32,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1518 [2020-11-29 21:04:32,606 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:32,607 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 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 21:04:32,607 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-29 21:04:32,608 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:32,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:32,608 INFO L82 PathProgramCache]: Analyzing trace with hash -303961792, now seen corresponding path program 1 times [2020-11-29 21:04:32,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:32,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462093900] [2020-11-29 21:04:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:34,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4161 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 3746 trivial. 0 not checked. [2020-11-29 21:04:34,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462093900] [2020-11-29 21:04:34,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 21:04:34,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 21:04:34,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105167238] [2020-11-29 21:04:34,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:34,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:34,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:34,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 21:04:34,441 INFO L87 Difference]: Start difference. First operand 8887 states and 9107 transitions. Second operand 3 states. [2020-11-29 21:04:35,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:35,870 INFO L93 Difference]: Finished difference Result 22707 states and 23280 transitions. [2020-11-29 21:04:35,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:35,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1517 [2020-11-29 21:04:35,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:35,886 INFO L225 Difference]: With dead ends: 22707 [2020-11-29 21:04:35,886 INFO L226 Difference]: Without dead ends: 13822 [2020-11-29 21:04:35,895 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 21:04:35,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13822 states. [2020-11-29 21:04:36,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13822 to 10861. [2020-11-29 21:04:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10861 states. [2020-11-29 21:04:36,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 11135 transitions. [2020-11-29 21:04:36,107 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 11135 transitions. Word has length 1517 [2020-11-29 21:04:36,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:36,109 INFO L481 AbstractCegarLoop]: Abstraction has 10861 states and 11135 transitions. [2020-11-29 21:04:36,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:36,109 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 11135 transitions. [2020-11-29 21:04:36,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1786 [2020-11-29 21:04:36,145 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 21:04:36,146 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 21:04:36,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-29 21:04:36,147 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 21:04:36,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:04:36,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1789998331, now seen corresponding path program 1 times [2020-11-29 21:04:36,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 21:04:36,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731026155] [2020-11-29 21:04:36,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 21:04:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6570 backedges. 1951 proven. 726 refuted. 0 times theorem prover too weak. 3893 trivial. 0 not checked. [2020-11-29 21:04:39,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731026155] [2020-11-29 21:04:39,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388873039] [2020-11-29 21:04:39,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 21:04:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 21:04:39,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 21:04:40,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 21:04:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6570 backedges. 1685 proven. 0 refuted. 0 times theorem prover too weak. 4885 trivial. 0 not checked. [2020-11-29 21:04:41,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 21:04:41,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 21:04:41,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621475934] [2020-11-29 21:04:41,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 21:04:41,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 21:04:41,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 21:04:41,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:04:41,788 INFO L87 Difference]: Start difference. First operand 10861 states and 11135 transitions. Second operand 3 states. [2020-11-29 21:04:42,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 21:04:42,987 INFO L93 Difference]: Finished difference Result 21389 states and 21936 transitions. [2020-11-29 21:04:42,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 21:04:42,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1785 [2020-11-29 21:04:42,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 21:04:42,989 INFO L225 Difference]: With dead ends: 21389 [2020-11-29 21:04:42,989 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 21:04:42,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1790 GetRequests, 1787 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 21:04:42,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 21:04:42,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 21:04:42,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 21:04:42,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 21:04:42,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1785 [2020-11-29 21:04:42,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 21:04:42,998 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 21:04:42,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 21:04:42,998 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 21:04:42,998 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 21:04:43,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-29 21:04:43,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 21:04:43,729 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2020-11-29 21:04:44,066 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-11-29 21:04:44,379 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-11-29 21:04:44,381 INFO L274 CegarLoopResult]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,381 INFO L274 CegarLoopResult]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,381 INFO L274 CegarLoopResult]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-29 21:04:44,382 INFO L274 CegarLoopResult]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,383 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-29 21:04:44,384 INFO L274 CegarLoopResult]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,385 INFO L274 CegarLoopResult]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,386 INFO L274 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-29 21:04:44,386 INFO L274 CegarLoopResult]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,386 INFO L274 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-29 21:04:44,386 INFO L274 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-29 21:04:44,386 INFO L270 CegarLoopResult]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse2 (<= 9 ~a12~0)) (.cse4 (<= ~a15~0 3)) (.cse3 (<= 0 (+ ~a18~0 151))) (.cse5 (= ~a12~0 8)) (.cse1 (<= ~a16~0 8)) (.cse0 (<= ~a16~0 11)) (.cse7 (<= ~a12~0 5)) (.cse6 (not (= ~a16~0 8)))) (or (= ~a16~0 9) (and (= ~a15~0 4) .cse0 (= 5 ~a12~0)) (and .cse1 .cse2 .cse3) (and .cse4 .cse2) (and .cse5 .cse1 .cse3) (and (<= 4 ~a15~0) (= 7 ~a12~0) .cse1) (and .cse0 .cse6 .cse4) (and .cse5 .cse4) (and .cse7 .cse4) (and .cse4 .cse3) (and (= ~a12~0 6) .cse0) (and .cse5 (<= (+ ~a18~0 156) 0) .cse1) (and .cse0 .cse7 .cse6))) [2020-11-29 21:04:44,386 INFO L274 CegarLoopResult]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,386 INFO L274 CegarLoopResult]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,386 INFO L274 CegarLoopResult]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,386 INFO L274 CegarLoopResult]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,386 INFO L274 CegarLoopResult]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,387 INFO L274 CegarLoopResult]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,388 INFO L274 CegarLoopResult]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,388 INFO L274 CegarLoopResult]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,389 INFO L274 CegarLoopResult]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,389 INFO L274 CegarLoopResult]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,389 INFO L274 CegarLoopResult]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,389 INFO L274 CegarLoopResult]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,389 INFO L274 CegarLoopResult]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,389 INFO L274 CegarLoopResult]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,389 INFO L274 CegarLoopResult]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,390 INFO L274 CegarLoopResult]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,391 INFO L274 CegarLoopResult]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,391 INFO L274 CegarLoopResult]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,391 INFO L274 CegarLoopResult]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,391 INFO L274 CegarLoopResult]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,391 INFO L274 CegarLoopResult]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,391 INFO L274 CegarLoopResult]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,391 INFO L274 CegarLoopResult]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,392 INFO L274 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-29 21:04:44,392 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-29 21:04:44,392 INFO L274 CegarLoopResult]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,392 INFO L274 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-29 21:04:44,392 INFO L274 CegarLoopResult]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,392 INFO L270 CegarLoopResult]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse1 (<= 9 ~a12~0)) (.cse3 (<= ~a15~0 3)) (.cse2 (<= 0 (+ ~a18~0 151))) (.cse4 (= ~a12~0 8)) (.cse0 (<= ~a16~0 8)) (.cse5 (<= ~a16~0 11)) (.cse7 (<= ~a12~0 5)) (.cse6 (not (= ~a16~0 8)))) (or (= ~a16~0 9) (and .cse0 .cse1 .cse2) (and .cse3 .cse1) (and .cse4 .cse0 .cse2) (and (or (<= ~a18~0 134) (not (= 3 ULTIMATE.start_calculate_output_~input))) (= ~a15~0 4) .cse5 (= 5 ~a12~0)) (and (<= 4 ~a15~0) (= 7 ~a12~0) .cse0) (and .cse5 .cse6 .cse3) (and .cse4 .cse3) (and .cse7 .cse3) (and .cse3 .cse2) (and (= ~a12~0 6) .cse5) (and .cse4 (<= (+ ~a18~0 156) 0) .cse0) (and .cse5 .cse7 .cse6))) [2020-11-29 21:04:44,393 INFO L274 CegarLoopResult]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,393 INFO L274 CegarLoopResult]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,393 INFO L274 CegarLoopResult]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,393 INFO L274 CegarLoopResult]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,393 INFO L274 CegarLoopResult]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,393 INFO L274 CegarLoopResult]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,393 INFO L274 CegarLoopResult]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,393 INFO L274 CegarLoopResult]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,393 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 21:04:44,393 INFO L274 CegarLoopResult]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L277 CegarLoopResult]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,394 INFO L274 CegarLoopResult]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,395 INFO L274 CegarLoopResult]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-11-29 21:04:44,396 INFO L270 CegarLoopResult]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse2 (<= 9 ~a12~0)) (.cse4 (<= ~a15~0 3)) (.cse3 (<= 0 (+ ~a18~0 151))) (.cse5 (= ~a12~0 8)) (.cse1 (<= ~a16~0 8)) (.cse0 (<= ~a16~0 11)) (.cse7 (<= ~a12~0 5)) (.cse6 (not (= ~a16~0 8)))) (or (= ~a16~0 9) (and (= ~a15~0 4) .cse0 (= 5 ~a12~0)) (and .cse1 .cse2 .cse3) (and .cse4 .cse2) (and .cse5 .cse1 .cse3) (and (<= 4 ~a15~0) (= 7 ~a12~0) .cse1) (and .cse0 .cse6 .cse4) (and .cse5 .cse4) (and .cse7 .cse4) (and .cse4 .cse3) (and (= ~a12~0 6) .cse0) (and .cse5 (<= (+ ~a18~0 156) 0) .cse1) (and .cse0 .cse7 .cse6))) [2020-11-29 21:04:44,396 INFO L274 CegarLoopResult]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-29 21:04:44,397 INFO L274 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L1788(line 1788) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,398 INFO L274 CegarLoopResult]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,399 INFO L274 CegarLoopResult]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,400 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,400 INFO L274 CegarLoopResult]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,400 INFO L274 CegarLoopResult]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,400 INFO L274 CegarLoopResult]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,400 INFO L274 CegarLoopResult]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,400 INFO L274 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-29 21:04:44,400 INFO L274 CegarLoopResult]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,400 INFO L274 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-29 21:04:44,400 INFO L274 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-29 21:04:44,401 INFO L274 CegarLoopResult]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,401 INFO L274 CegarLoopResult]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,401 INFO L274 CegarLoopResult]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,401 INFO L274 CegarLoopResult]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,401 INFO L274 CegarLoopResult]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,401 INFO L274 CegarLoopResult]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,401 INFO L274 CegarLoopResult]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,402 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,402 INFO L274 CegarLoopResult]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,402 INFO L274 CegarLoopResult]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,402 INFO L274 CegarLoopResult]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,402 INFO L274 CegarLoopResult]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,402 INFO L274 CegarLoopResult]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,403 INFO L274 CegarLoopResult]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,403 INFO L274 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-11-29 21:04:44,403 INFO L274 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-29 21:04:44,403 INFO L274 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-29 21:04:44,403 INFO L274 CegarLoopResult]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,403 INFO L274 CegarLoopResult]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,403 INFO L274 CegarLoopResult]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,403 INFO L274 CegarLoopResult]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,403 INFO L274 CegarLoopResult]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,404 INFO L274 CegarLoopResult]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,404 INFO L274 CegarLoopResult]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,404 INFO L274 CegarLoopResult]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,404 INFO L274 CegarLoopResult]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,404 INFO L274 CegarLoopResult]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,404 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-11-29 21:04:44,404 INFO L274 CegarLoopResult]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,404 INFO L274 CegarLoopResult]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,405 INFO L274 CegarLoopResult]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,405 INFO L274 CegarLoopResult]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,405 INFO L274 CegarLoopResult]: For program point L212(line 212) no Hoare annotation was computed. [2020-11-29 21:04:44,405 INFO L274 CegarLoopResult]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,405 INFO L274 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-29 21:04:44,405 INFO L274 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-29 21:04:44,405 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,406 INFO L274 CegarLoopResult]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,406 INFO L274 CegarLoopResult]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,406 INFO L274 CegarLoopResult]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,406 INFO L274 CegarLoopResult]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,406 INFO L274 CegarLoopResult]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,406 INFO L274 CegarLoopResult]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,406 INFO L274 CegarLoopResult]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,406 INFO L274 CegarLoopResult]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,407 INFO L274 CegarLoopResult]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,407 INFO L274 CegarLoopResult]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,407 INFO L274 CegarLoopResult]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,407 INFO L274 CegarLoopResult]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,407 INFO L274 CegarLoopResult]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,407 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-29 21:04:44,407 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-29 21:04:44,407 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-29 21:04:44,407 INFO L274 CegarLoopResult]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,408 INFO L274 CegarLoopResult]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,408 INFO L274 CegarLoopResult]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,408 INFO L274 CegarLoopResult]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,408 INFO L274 CegarLoopResult]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,408 INFO L274 CegarLoopResult]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,408 INFO L274 CegarLoopResult]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,408 INFO L274 CegarLoopResult]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,408 INFO L274 CegarLoopResult]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,409 INFO L274 CegarLoopResult]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,409 INFO L274 CegarLoopResult]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,409 INFO L274 CegarLoopResult]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,409 INFO L274 CegarLoopResult]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,409 INFO L274 CegarLoopResult]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,409 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 21:04:44,409 INFO L274 CegarLoopResult]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,409 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-29 21:04:44,410 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-29 21:04:44,410 INFO L274 CegarLoopResult]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,410 INFO L274 CegarLoopResult]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,410 INFO L274 CegarLoopResult]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,410 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,410 INFO L274 CegarLoopResult]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,410 INFO L274 CegarLoopResult]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,410 INFO L274 CegarLoopResult]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,411 INFO L274 CegarLoopResult]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,411 INFO L274 CegarLoopResult]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,411 INFO L274 CegarLoopResult]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,411 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,411 INFO L274 CegarLoopResult]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,411 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-29 21:04:44,411 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-29 21:04:44,411 INFO L274 CegarLoopResult]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,411 INFO L274 CegarLoopResult]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,412 INFO L274 CegarLoopResult]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,412 INFO L274 CegarLoopResult]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,412 INFO L274 CegarLoopResult]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,412 INFO L274 CegarLoopResult]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,412 INFO L274 CegarLoopResult]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,412 INFO L274 CegarLoopResult]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,412 INFO L274 CegarLoopResult]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,412 INFO L274 CegarLoopResult]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,413 INFO L274 CegarLoopResult]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,413 INFO L274 CegarLoopResult]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,413 INFO L274 CegarLoopResult]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,413 INFO L274 CegarLoopResult]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,413 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,413 INFO L274 CegarLoopResult]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,413 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-29 21:04:44,413 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-29 21:04:44,414 INFO L274 CegarLoopResult]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,414 INFO L274 CegarLoopResult]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,414 INFO L274 CegarLoopResult]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,414 INFO L274 CegarLoopResult]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,414 INFO L274 CegarLoopResult]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,414 INFO L274 CegarLoopResult]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,414 INFO L274 CegarLoopResult]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,414 INFO L274 CegarLoopResult]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,415 INFO L274 CegarLoopResult]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,415 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 21:04:44,415 INFO L274 CegarLoopResult]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,415 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,415 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-29 21:04:44,415 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-29 21:04:44,415 INFO L274 CegarLoopResult]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,415 INFO L274 CegarLoopResult]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,415 INFO L274 CegarLoopResult]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,416 INFO L274 CegarLoopResult]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,416 INFO L274 CegarLoopResult]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,416 INFO L274 CegarLoopResult]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,416 INFO L274 CegarLoopResult]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,416 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,416 INFO L274 CegarLoopResult]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,416 INFO L274 CegarLoopResult]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,416 INFO L274 CegarLoopResult]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,417 INFO L274 CegarLoopResult]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,417 INFO L274 CegarLoopResult]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,417 INFO L274 CegarLoopResult]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,417 INFO L274 CegarLoopResult]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,417 INFO L274 CegarLoopResult]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,417 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,417 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-29 21:04:44,417 INFO L274 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-29 21:04:44,417 INFO L274 CegarLoopResult]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,418 INFO L274 CegarLoopResult]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,418 INFO L274 CegarLoopResult]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,418 INFO L274 CegarLoopResult]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,418 INFO L274 CegarLoopResult]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,418 INFO L274 CegarLoopResult]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,418 INFO L274 CegarLoopResult]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2020-11-29 21:04:44,418 INFO L274 CegarLoopResult]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,418 INFO L274 CegarLoopResult]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,419 INFO L274 CegarLoopResult]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,419 INFO L274 CegarLoopResult]: For program point L34(lines 34 36) no Hoare annotation was computed. [2020-11-29 21:04:44,419 INFO L274 CegarLoopResult]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2020-11-29 21:04:44,419 INFO L274 CegarLoopResult]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,419 INFO L274 CegarLoopResult]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,419 INFO L274 CegarLoopResult]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2020-11-29 21:04:44,419 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-29 21:04:44,419 INFO L274 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-29 21:04:44,420 INFO L274 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-29 21:04:44,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 09:04:44 BoogieIcfgContainer [2020-11-29 21:04:44,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 21:04:44,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:04:44,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:04:44,475 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:04:44,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:03:50" (3/4) ... [2020-11-29 21:04:44,478 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 21:04:44,518 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 21:04:44,522 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 21:04:44,525 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:04:44,528 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 21:04:44,776 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2edb42c5-edf3-4702-8493-4fabb6c2894f/bin/uautomizer/witness.graphml [2020-11-29 21:04:44,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:04:44,777 INFO L168 Benchmark]: Toolchain (without parser) took 58625.52 ms. Allocated memory was 86.0 MB in the beginning and 3.5 GB in the end (delta: 3.4 GB). Free memory was 51.0 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 605.4 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:44,778 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 42.8 MB in the beginning and 42.8 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:04:44,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1177.01 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.8 MB in the beginning and 67.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:44,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.32 ms. Allocated memory is still 104.9 MB. Free memory was 67.9 MB in the beginning and 44.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:44,779 INFO L168 Benchmark]: Boogie Preprocessor took 199.17 ms. Allocated memory is still 104.9 MB. Free memory was 44.0 MB in the beginning and 52.6 MB in the end (delta: -8.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:44,780 INFO L168 Benchmark]: RCFGBuilder took 2657.16 ms. Allocated memory was 104.9 MB in the beginning and 220.2 MB in the end (delta: 115.3 MB). Free memory was 52.6 MB in the beginning and 107.3 MB in the end (delta: -54.7 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:44,780 INFO L168 Benchmark]: TraceAbstraction took 54085.38 ms. Allocated memory was 220.2 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 106.3 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 489.3 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:44,780 INFO L168 Benchmark]: Witness Printer took 318.15 ms. Allocated memory is still 3.5 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-29 21:04:44,783 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory was 42.8 MB in the beginning and 42.8 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1177.01 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.8 MB in the beginning and 67.9 MB in the end (delta: -17.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 177.32 ms. Allocated memory is still 104.9 MB. Free memory was 67.9 MB in the beginning and 44.0 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 199.17 ms. Allocated memory is still 104.9 MB. Free memory was 44.0 MB in the beginning and 52.6 MB in the end (delta: -8.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2657.16 ms. Allocated memory was 104.9 MB in the beginning and 220.2 MB in the end (delta: 115.3 MB). Free memory was 52.6 MB in the beginning and 107.3 MB in the end (delta: -54.7 MB). Peak memory consumption was 67.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 54085.38 ms. Allocated memory was 220.2 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 106.3 MB in the beginning and 2.9 GB in the end (delta: -2.8 GB). Peak memory consumption was 489.3 MB. Max. memory is 16.1 GB. * Witness Printer took 318.15 ms. Allocated memory is still 3.5 GB. Free memory was 2.9 GB in the beginning and 2.9 GB in the end (delta: 38.8 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: 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: 1504]: Loop Invariant Derived loop invariant: (((((((((((a16 == 9 || ((a16 <= 8 && 9 <= a12) && 0 <= a18 + 151)) || (a15 <= 3 && 9 <= a12)) || ((a12 == 8 && a16 <= 8) && 0 <= a18 + 151)) || ((((a18 <= 134 || !(3 == input)) && a15 == 4) && a16 <= 11) && 5 == a12)) || ((4 <= a15 && 7 == a12) && a16 <= 8)) || ((a16 <= 11 && !(a16 == 8)) && a15 <= 3)) || (a12 == 8 && a15 <= 3)) || (a12 <= 5 && a15 <= 3)) || (a15 <= 3 && 0 <= a18 + 151)) || (a12 == 6 && a16 <= 11)) || ((a12 == 8 && a18 + 156 <= 0) && a16 <= 8)) || ((a16 <= 11 && a12 <= 5) && !(a16 == 8)) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((a16 == 9 || ((a15 == 4 && a16 <= 11) && 5 == a12)) || ((a16 <= 8 && 9 <= a12) && 0 <= a18 + 151)) || (a15 <= 3 && 9 <= a12)) || ((a12 == 8 && a16 <= 8) && 0 <= a18 + 151)) || ((4 <= a15 && 7 == a12) && a16 <= 8)) || ((a16 <= 11 && !(a16 == 8)) && a15 <= 3)) || (a12 == 8 && a15 <= 3)) || (a12 <= 5 && a15 <= 3)) || (a15 <= 3 && 0 <= a18 + 151)) || (a12 == 6 && a16 <= 11)) || ((a12 == 8 && a18 + 156 <= 0) && a16 <= 8)) || ((a16 <= 11 && a12 <= 5) && !(a16 == 8)) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: (((((((((((a16 == 9 || ((a15 == 4 && a16 <= 11) && 5 == a12)) || ((a16 <= 8 && 9 <= a12) && 0 <= a18 + 151)) || (a15 <= 3 && 9 <= a12)) || ((a12 == 8 && a16 <= 8) && 0 <= a18 + 151)) || ((4 <= a15 && 7 == a12) && a16 <= 8)) || ((a16 <= 11 && !(a16 == 8)) && a15 <= 3)) || (a12 == 8 && a15 <= 3)) || (a12 <= 5 && a15 <= 3)) || (a15 <= 3 && 0 <= a18 + 151)) || (a12 == 6 && a16 <= 11)) || ((a12 == 8 && a18 + 156 <= 0) && a16 <= 8)) || ((a16 <= 11 && a12 <= 5) && !(a16 == 8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 397 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 52.7s, OverallIterations: 15, TraceHistogramMax: 11, AutomataDifference: 30.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5058 SDtfs, 4194 SDslu, 108 SDs, 0 SdLazy, 13519 SolverSat, 2363 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 22.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2553 GetRequests, 2529 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10861occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 15 MinimizatonAttempts, 3639 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 132 NumberOfFragments, 366 HoareAnnotationTreeSize, 4 FomulaSimplifications, 2691 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 725 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 14687 NumberOfCodeBlocks, 14687 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 14670 ConstructedInterpolants, 0 QuantifiedInterpolants, 30670547 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2976 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 33969/35163 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...