./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label16.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label16.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/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 7e11d8418d66c155e68d9d199cd8b46e2b8065a5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:03:28,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:03:28,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:03:28,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:03:28,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:03:28,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:03:28,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:03:28,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:03:28,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:03:28,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:03:28,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:03:28,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:03:28,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:03:28,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:03:28,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:03:28,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:03:28,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:03:28,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:03:28,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:03:28,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:03:28,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:03:28,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:03:28,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:03:28,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:03:28,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:03:28,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:03:28,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:03:28,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:03:28,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:03:28,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:03:28,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:03:28,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:03:28,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:03:28,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:03:28,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:03:28,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:03:28,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:03:28,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:03:28,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:03:28,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:03:28,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:03:28,724 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:03:28,770 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:03:28,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:03:28,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:03:28,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:03:28,774 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:03:28,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:03:28,774 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:03:28,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:03:28,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:03:28,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:03:28,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:03:28,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:03:28,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:03:28,778 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:03:28,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:03:28,778 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:03:28,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:03:28,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:03:28,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:03:28,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:03:28,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:03:28,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:03:28,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:03:28,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:03:28,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:03:28,781 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:03:28,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:03:28,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:03:28,782 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:03:28,783 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_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e11d8418d66c155e68d9d199cd8b46e2b8065a5 [2020-12-01 15:03:29,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:03:29,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:03:29,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:03:29,106 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:03:29,109 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:03:29,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label16.c [2020-12-01 15:03:29,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/data/4e5f753a3/7fad35faf6bc487b86a133be738cd54d/FLAG98ffb08a4 [2020-12-01 15:03:29,999 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:03:29,999 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/sv-benchmarks/c/eca-rers2012/Problem03_label16.c [2020-12-01 15:03:30,026 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/data/4e5f753a3/7fad35faf6bc487b86a133be738cd54d/FLAG98ffb08a4 [2020-12-01 15:03:30,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/data/4e5f753a3/7fad35faf6bc487b86a133be738cd54d [2020-12-01 15:03:30,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:03:30,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:03:30,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:03:30,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:03:30,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:03:30,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:03:30" (1/1) ... [2020-12-01 15:03:30,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395ad398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:30, skipping insertion in model container [2020-12-01 15:03:30,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:03:30" (1/1) ... [2020-12-01 15:03:30,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:03:30,170 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:03:30,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:03:30,916 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:03:31,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:03:31,361 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:03:31,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31 WrapperNode [2020-12-01 15:03:31,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:03:31,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:03:31,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:03:31,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:03:31,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (1/1) ... [2020-12-01 15:03:31,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (1/1) ... [2020-12-01 15:03:31,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:03:31,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:03:31,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:03:31,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:03:31,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (1/1) ... [2020-12-01 15:03:31,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (1/1) ... [2020-12-01 15:03:31,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (1/1) ... [2020-12-01 15:03:31,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (1/1) ... [2020-12-01 15:03:31,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (1/1) ... [2020-12-01 15:03:31,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (1/1) ... [2020-12-01 15:03:31,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (1/1) ... [2020-12-01 15:03:31,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:03:31,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:03:31,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:03:31,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:03:31,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/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 [2020-12-01 15:03:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:03:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:03:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:03:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:03:34,210 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:03:34,211 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:03:34,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:03:34 BoogieIcfgContainer [2020-12-01 15:03:34,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:03:34,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:03:34,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:03:34,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:03:34,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:03:30" (1/3) ... [2020-12-01 15:03:34,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a085111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:03:34, skipping insertion in model container [2020-12-01 15:03:34,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:03:31" (2/3) ... [2020-12-01 15:03:34,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a085111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:03:34, skipping insertion in model container [2020-12-01 15:03:34,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:03:34" (3/3) ... [2020-12-01 15:03:34,226 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label16.c [2020-12-01 15:03:34,245 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:03:34,249 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:03:34,261 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:03:34,290 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:03:34,290 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:03:34,290 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:03:34,290 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:03:34,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:03:34,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:03:34,291 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:03:34,291 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:03:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-12-01 15:03:34,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-01 15:03:34,340 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:34,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:34,341 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:34,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:34,349 INFO L82 PathProgramCache]: Analyzing trace with hash 812227147, now seen corresponding path program 1 times [2020-12-01 15:03:34,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:34,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980113460] [2020-12-01 15:03:34,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:03:35,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980113460] [2020-12-01 15:03:35,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:03:35,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:03:35,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486089428] [2020-12-01 15:03:35,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:03:35,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:35,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:03:35,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:03:35,342 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-12-01 15:03:36,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:36,828 INFO L93 Difference]: Finished difference Result 825 states and 1461 transitions. [2020-12-01 15:03:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:03:36,830 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2020-12-01 15:03:36,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:36,887 INFO L225 Difference]: With dead ends: 825 [2020-12-01 15:03:36,887 INFO L226 Difference]: Without dead ends: 445 [2020-12-01 15:03:36,897 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 [2020-12-01 15:03:36,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-12-01 15:03:36,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 444. [2020-12-01 15:03:36,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-12-01 15:03:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 630 transitions. [2020-12-01 15:03:36,985 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 630 transitions. Word has length 165 [2020-12-01 15:03:36,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:36,986 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 630 transitions. [2020-12-01 15:03:36,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:03:36,987 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 630 transitions. [2020-12-01 15:03:36,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 15:03:36,993 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:36,995 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:36,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:03:36,996 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:36,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:36,999 INFO L82 PathProgramCache]: Analyzing trace with hash -432816950, now seen corresponding path program 1 times [2020-12-01 15:03:37,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:37,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6589815] [2020-12-01 15:03:37,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:37,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:37,166 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:03:37,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6589815] [2020-12-01 15:03:37,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:03:37,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:03:37,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136128235] [2020-12-01 15:03:37,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:03:37,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:37,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:03:37,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:03:37,176 INFO L87 Difference]: Start difference. First operand 444 states and 630 transitions. Second operand 3 states. [2020-12-01 15:03:38,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:38,359 INFO L93 Difference]: Finished difference Result 1312 states and 1869 transitions. [2020-12-01 15:03:38,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:03:38,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2020-12-01 15:03:38,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:38,365 INFO L225 Difference]: With dead ends: 1312 [2020-12-01 15:03:38,365 INFO L226 Difference]: Without dead ends: 870 [2020-12-01 15:03:38,371 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 [2020-12-01 15:03:38,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-12-01 15:03:38,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 856. [2020-12-01 15:03:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-12-01 15:03:38,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1187 transitions. [2020-12-01 15:03:38,420 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1187 transitions. Word has length 173 [2020-12-01 15:03:38,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:38,421 INFO L481 AbstractCegarLoop]: Abstraction has 856 states and 1187 transitions. [2020-12-01 15:03:38,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:03:38,421 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1187 transitions. [2020-12-01 15:03:38,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-01 15:03:38,429 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:38,429 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:38,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:03:38,430 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:38,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:38,430 INFO L82 PathProgramCache]: Analyzing trace with hash 721990333, now seen corresponding path program 1 times [2020-12-01 15:03:38,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:38,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741487132] [2020-12-01 15:03:38,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:38,707 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:03:38,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741487132] [2020-12-01 15:03:38,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:03:38,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:03:38,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576789475] [2020-12-01 15:03:38,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:03:38,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:38,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:03:38,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:03:38,716 INFO L87 Difference]: Start difference. First operand 856 states and 1187 transitions. Second operand 3 states. [2020-12-01 15:03:39,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:39,922 INFO L93 Difference]: Finished difference Result 2129 states and 3056 transitions. [2020-12-01 15:03:39,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:03:39,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2020-12-01 15:03:39,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:39,939 INFO L225 Difference]: With dead ends: 2129 [2020-12-01 15:03:39,939 INFO L226 Difference]: Without dead ends: 1275 [2020-12-01 15:03:39,941 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 [2020-12-01 15:03:39,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2020-12-01 15:03:39,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1274. [2020-12-01 15:03:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2020-12-01 15:03:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1757 transitions. [2020-12-01 15:03:39,993 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1757 transitions. Word has length 180 [2020-12-01 15:03:39,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:39,995 INFO L481 AbstractCegarLoop]: Abstraction has 1274 states and 1757 transitions. [2020-12-01 15:03:39,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:03:39,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1757 transitions. [2020-12-01 15:03:40,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-01 15:03:40,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:40,001 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:40,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 15:03:40,002 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:40,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:40,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1163996177, now seen corresponding path program 1 times [2020-12-01 15:03:40,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:40,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239386314] [2020-12-01 15:03:40,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:40,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:40,145 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:03:40,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239386314] [2020-12-01 15:03:40,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:03:40,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:03:40,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034042097] [2020-12-01 15:03:40,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:03:40,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:40,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:03:40,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:03:40,152 INFO L87 Difference]: Start difference. First operand 1274 states and 1757 transitions. Second operand 3 states. [2020-12-01 15:03:41,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:41,395 INFO L93 Difference]: Finished difference Result 3361 states and 4742 transitions. [2020-12-01 15:03:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:03:41,396 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2020-12-01 15:03:41,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:41,410 INFO L225 Difference]: With dead ends: 3361 [2020-12-01 15:03:41,411 INFO L226 Difference]: Without dead ends: 2089 [2020-12-01 15:03:41,414 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 [2020-12-01 15:03:41,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-12-01 15:03:41,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2086. [2020-12-01 15:03:41,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2086 states. [2020-12-01 15:03:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 2720 transitions. [2020-12-01 15:03:41,482 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 2720 transitions. Word has length 186 [2020-12-01 15:03:41,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:41,482 INFO L481 AbstractCegarLoop]: Abstraction has 2086 states and 2720 transitions. [2020-12-01 15:03:41,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:03:41,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2720 transitions. [2020-12-01 15:03:41,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 15:03:41,489 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:41,489 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:41,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-01 15:03:41,490 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:41,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:41,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1663397729, now seen corresponding path program 1 times [2020-12-01 15:03:41,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:41,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968320790] [2020-12-01 15:03:41,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:41,616 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:03:41,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968320790] [2020-12-01 15:03:41,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:03:41,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:03:41,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063189749] [2020-12-01 15:03:41,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:03:41,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:41,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:03:41,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:03:41,618 INFO L87 Difference]: Start difference. First operand 2086 states and 2720 transitions. Second operand 4 states. [2020-12-01 15:03:43,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:43,010 INFO L93 Difference]: Finished difference Result 4147 states and 5410 transitions. [2020-12-01 15:03:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:03:43,011 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 190 [2020-12-01 15:03:43,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:43,025 INFO L225 Difference]: With dead ends: 4147 [2020-12-01 15:03:43,025 INFO L226 Difference]: Without dead ends: 2063 [2020-12-01 15:03:43,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:03:43,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2063 states. [2020-12-01 15:03:43,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2063 to 2059. [2020-12-01 15:03:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2059 states. [2020-12-01 15:03:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2536 transitions. [2020-12-01 15:03:43,098 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2536 transitions. Word has length 190 [2020-12-01 15:03:43,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:43,098 INFO L481 AbstractCegarLoop]: Abstraction has 2059 states and 2536 transitions. [2020-12-01 15:03:43,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:03:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2536 transitions. [2020-12-01 15:03:43,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 15:03:43,104 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:43,104 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:43,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-01 15:03:43,105 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:43,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:43,105 INFO L82 PathProgramCache]: Analyzing trace with hash -2039445626, now seen corresponding path program 1 times [2020-12-01 15:03:43,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:43,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706020250] [2020-12-01 15:03:43,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 15:03:43,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706020250] [2020-12-01 15:03:43,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [694847175] [2020-12-01 15:03:43,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/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 [2020-12-01 15:03:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:43,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:03:43,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:03:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 15:03:43,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:03:43,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:03:43,947 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407273792] [2020-12-01 15:03:43,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:03:43,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:43,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:03:43,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:03:43,949 INFO L87 Difference]: Start difference. First operand 2059 states and 2536 transitions. Second operand 3 states. [2020-12-01 15:03:45,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:45,096 INFO L93 Difference]: Finished difference Result 5747 states and 7125 transitions. [2020-12-01 15:03:45,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:03:45,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2020-12-01 15:03:45,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:45,128 INFO L225 Difference]: With dead ends: 5747 [2020-12-01 15:03:45,129 INFO L226 Difference]: Without dead ends: 4096 [2020-12-01 15:03:45,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:03:45,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4096 states. [2020-12-01 15:03:45,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4096 to 4093. [2020-12-01 15:03:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4093 states. [2020-12-01 15:03:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4093 states to 4093 states and 4906 transitions. [2020-12-01 15:03:45,253 INFO L78 Accepts]: Start accepts. Automaton has 4093 states and 4906 transitions. Word has length 192 [2020-12-01 15:03:45,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:45,253 INFO L481 AbstractCegarLoop]: Abstraction has 4093 states and 4906 transitions. [2020-12-01 15:03:45,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:03:45,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4093 states and 4906 transitions. [2020-12-01 15:03:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-12-01 15:03:45,262 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:45,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:45,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-12-01 15:03:45,480 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:45,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:45,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1009295517, now seen corresponding path program 1 times [2020-12-01 15:03:45,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:45,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130696471] [2020-12-01 15:03:45,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:03:45,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130696471] [2020-12-01 15:03:45,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:03:45,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:03:45,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426811950] [2020-12-01 15:03:45,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:03:45,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:45,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:03:45,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:03:45,610 INFO L87 Difference]: Start difference. First operand 4093 states and 4906 transitions. Second operand 3 states. [2020-12-01 15:03:46,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:46,908 INFO L93 Difference]: Finished difference Result 11249 states and 13578 transitions. [2020-12-01 15:03:46,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:03:46,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-12-01 15:03:46,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:47,011 INFO L225 Difference]: With dead ends: 11249 [2020-12-01 15:03:47,011 INFO L226 Difference]: Without dead ends: 7970 [2020-12-01 15:03:47,034 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 [2020-12-01 15:03:47,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7970 states. [2020-12-01 15:03:47,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7970 to 7964. [2020-12-01 15:03:47,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7964 states. [2020-12-01 15:03:47,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7964 states to 7964 states and 9512 transitions. [2020-12-01 15:03:47,229 INFO L78 Accepts]: Start accepts. Automaton has 7964 states and 9512 transitions. Word has length 193 [2020-12-01 15:03:47,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:47,230 INFO L481 AbstractCegarLoop]: Abstraction has 7964 states and 9512 transitions. [2020-12-01 15:03:47,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:03:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 7964 states and 9512 transitions. [2020-12-01 15:03:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-12-01 15:03:47,244 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:47,244 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:47,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-01 15:03:47,245 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:47,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:47,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1362043434, now seen corresponding path program 1 times [2020-12-01 15:03:47,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:47,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053124297] [2020-12-01 15:03:47,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:03:47,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053124297] [2020-12-01 15:03:47,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268720577] [2020-12-01 15:03:47,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/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 [2020-12-01 15:03:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:47,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:03:47,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:03:48,010 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-12-01 15:03:48,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:03:48,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-12-01 15:03:48,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607868224] [2020-12-01 15:03:48,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:03:48,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:48,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:03:48,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:03:48,012 INFO L87 Difference]: Start difference. First operand 7964 states and 9512 transitions. Second operand 3 states. [2020-12-01 15:03:49,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:49,199 INFO L93 Difference]: Finished difference Result 20829 states and 25149 transitions. [2020-12-01 15:03:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:03:49,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2020-12-01 15:03:49,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:49,292 INFO L225 Difference]: With dead ends: 20829 [2020-12-01 15:03:49,292 INFO L226 Difference]: Without dead ends: 14491 [2020-12-01 15:03:49,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:03:49,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14491 states. [2020-12-01 15:03:49,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14491 to 14486. [2020-12-01 15:03:49,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14486 states. [2020-12-01 15:03:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14486 states to 14486 states and 17083 transitions. [2020-12-01 15:03:49,731 INFO L78 Accepts]: Start accepts. Automaton has 14486 states and 17083 transitions. Word has length 200 [2020-12-01 15:03:49,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:49,732 INFO L481 AbstractCegarLoop]: Abstraction has 14486 states and 17083 transitions. [2020-12-01 15:03:49,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:03:49,732 INFO L276 IsEmpty]: Start isEmpty. Operand 14486 states and 17083 transitions. [2020-12-01 15:03:49,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 15:03:49,753 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:49,753 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:49,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:03:49,976 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:49,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:49,976 INFO L82 PathProgramCache]: Analyzing trace with hash -2043199462, now seen corresponding path program 1 times [2020-12-01 15:03:49,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:49,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238784620] [2020-12-01 15:03:49,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:50,139 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 15:03:50,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238784620] [2020-12-01 15:03:50,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:03:50,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:03:50,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846955535] [2020-12-01 15:03:50,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-01 15:03:50,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:50,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-01 15:03:50,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:03:50,143 INFO L87 Difference]: Start difference. First operand 14486 states and 17083 transitions. Second operand 4 states. [2020-12-01 15:03:51,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:51,728 INFO L93 Difference]: Finished difference Result 39977 states and 47375 transitions. [2020-12-01 15:03:51,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:03:51,729 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2020-12-01 15:03:51,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:51,790 INFO L225 Difference]: With dead ends: 39977 [2020-12-01 15:03:51,790 INFO L226 Difference]: Without dead ends: 26305 [2020-12-01 15:03:51,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-01 15:03:51,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26305 states. [2020-12-01 15:03:52,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26305 to 26298. [2020-12-01 15:03:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26298 states. [2020-12-01 15:03:52,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26298 states to 26298 states and 30724 transitions. [2020-12-01 15:03:52,517 INFO L78 Accepts]: Start accepts. Automaton has 26298 states and 30724 transitions. Word has length 210 [2020-12-01 15:03:52,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:52,517 INFO L481 AbstractCegarLoop]: Abstraction has 26298 states and 30724 transitions. [2020-12-01 15:03:52,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-01 15:03:52,518 INFO L276 IsEmpty]: Start isEmpty. Operand 26298 states and 30724 transitions. [2020-12-01 15:03:52,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-12-01 15:03:52,539 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:52,540 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:52,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-01 15:03:52,540 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:52,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:52,541 INFO L82 PathProgramCache]: Analyzing trace with hash -254642658, now seen corresponding path program 1 times [2020-12-01 15:03:52,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:52,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244286670] [2020-12-01 15:03:52,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 15:03:52,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244286670] [2020-12-01 15:03:52,743 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982274853] [2020-12-01 15:03:52,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:03:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:53,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:03:53,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:03:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 15:03:53,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:03:53,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:03:53,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791219495] [2020-12-01 15:03:53,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:03:53,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:53,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:03:53,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:03:53,356 INFO L87 Difference]: Start difference. First operand 26298 states and 30724 transitions. Second operand 3 states. [2020-12-01 15:03:54,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:54,694 INFO L93 Difference]: Finished difference Result 64791 states and 76384 transitions. [2020-12-01 15:03:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:03:54,695 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-12-01 15:03:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:54,759 INFO L225 Difference]: With dead ends: 64791 [2020-12-01 15:03:54,759 INFO L226 Difference]: Without dead ends: 38495 [2020-12-01 15:03:54,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:03:54,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38495 states. [2020-12-01 15:03:55,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38495 to 37662. [2020-12-01 15:03:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37662 states. [2020-12-01 15:03:55,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37662 states to 37662 states and 44020 transitions. [2020-12-01 15:03:55,745 INFO L78 Accepts]: Start accepts. Automaton has 37662 states and 44020 transitions. Word has length 220 [2020-12-01 15:03:55,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:55,748 INFO L481 AbstractCegarLoop]: Abstraction has 37662 states and 44020 transitions. [2020-12-01 15:03:55,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:03:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 37662 states and 44020 transitions. [2020-12-01 15:03:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2020-12-01 15:03:55,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:55,817 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:56,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-01 15:03:56,032 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:56,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:56,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1575310784, now seen corresponding path program 1 times [2020-12-01 15:03:56,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:56,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121003961] [2020-12-01 15:03:56,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 144 proven. 6 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2020-12-01 15:03:56,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121003961] [2020-12-01 15:03:56,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419034887] [2020-12-01 15:03:56,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:03:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:03:56,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:03:56,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:03:57,059 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-12-01 15:03:57,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:03:57,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:03:57,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545447417] [2020-12-01 15:03:57,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:03:57,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:03:57,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:03:57,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:03:57,063 INFO L87 Difference]: Start difference. First operand 37662 states and 44020 transitions. Second operand 3 states. [2020-12-01 15:03:57,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:03:57,854 INFO L93 Difference]: Finished difference Result 102614 states and 120830 transitions. [2020-12-01 15:03:57,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:03:57,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 322 [2020-12-01 15:03:57,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:03:57,969 INFO L225 Difference]: With dead ends: 102614 [2020-12-01 15:03:57,969 INFO L226 Difference]: Without dead ends: 68608 [2020-12-01 15:03:57,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:03:58,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68608 states. [2020-12-01 15:03:59,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68608 to 68603. [2020-12-01 15:03:59,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68603 states. [2020-12-01 15:03:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68603 states to 68603 states and 80714 transitions. [2020-12-01 15:03:59,336 INFO L78 Accepts]: Start accepts. Automaton has 68603 states and 80714 transitions. Word has length 322 [2020-12-01 15:03:59,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:03:59,337 INFO L481 AbstractCegarLoop]: Abstraction has 68603 states and 80714 transitions. [2020-12-01 15:03:59,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:03:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 68603 states and 80714 transitions. [2020-12-01 15:03:59,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2020-12-01 15:03:59,401 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:03:59,402 INFO L422 BasicCegarLoop]: trace histogram [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, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:03:59,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:03:59,616 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:03:59,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:03:59,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1130192641, now seen corresponding path program 1 times [2020-12-01 15:03:59,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:03:59,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994400553] [2020-12-01 15:03:59,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:03:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 144 proven. 6 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-12-01 15:04:00,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994400553] [2020-12-01 15:04:00,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908385867] [2020-12-01 15:04:00,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:04:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:00,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:04:00,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:04:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 270 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-12-01 15:04:00,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:04:00,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:04:00,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89391803] [2020-12-01 15:04:00,891 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:04:00,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:04:00,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:04:00,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:04:00,895 INFO L87 Difference]: Start difference. First operand 68603 states and 80714 transitions. Second operand 3 states. [2020-12-01 15:04:02,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:04:02,403 INFO L93 Difference]: Finished difference Result 136626 states and 160831 transitions. [2020-12-01 15:04:02,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:04:02,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2020-12-01 15:04:02,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:04:02,500 INFO L225 Difference]: With dead ends: 136626 [2020-12-01 15:04:02,501 INFO L226 Difference]: Without dead ends: 68634 [2020-12-01 15:04:02,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:04:02,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68634 states. [2020-12-01 15:04:03,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68634 to 68603. [2020-12-01 15:04:03,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68603 states. [2020-12-01 15:04:04,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68603 states to 68603 states and 79900 transitions. [2020-12-01 15:04:04,048 INFO L78 Accepts]: Start accepts. Automaton has 68603 states and 79900 transitions. Word has length 332 [2020-12-01 15:04:04,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:04:04,048 INFO L481 AbstractCegarLoop]: Abstraction has 68603 states and 79900 transitions. [2020-12-01 15:04:04,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:04:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 68603 states and 79900 transitions. [2020-12-01 15:04:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-12-01 15:04:04,087 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:04:04,088 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:04:04,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-01 15:04:04,290 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:04:04,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:04:04,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1570540415, now seen corresponding path program 1 times [2020-12-01 15:04:04,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:04:04,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822902323] [2020-12-01 15:04:04,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:04:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 235 proven. 12 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-01 15:04:05,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822902323] [2020-12-01 15:04:05,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613083270] [2020-12-01 15:04:05,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:04:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:05,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:04:05,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:04:05,824 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 15:04:05,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:04:05,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:04:05,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681457601] [2020-12-01 15:04:05,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:04:05,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:04:05,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:04:05,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:04:05,829 INFO L87 Difference]: Start difference. First operand 68603 states and 79900 transitions. Second operand 3 states. [2020-12-01 15:04:07,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:04:07,259 INFO L93 Difference]: Finished difference Result 149593 states and 176732 transitions. [2020-12-01 15:04:07,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:04:07,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 354 [2020-12-01 15:04:07,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:04:07,359 INFO L225 Difference]: With dead ends: 149593 [2020-12-01 15:04:07,359 INFO L226 Difference]: Without dead ends: 84646 [2020-12-01 15:04:07,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:04:07,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84646 states. [2020-12-01 15:04:08,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84646 to 84638. [2020-12-01 15:04:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84638 states. [2020-12-01 15:04:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84638 states to 84638 states and 96139 transitions. [2020-12-01 15:04:08,656 INFO L78 Accepts]: Start accepts. Automaton has 84638 states and 96139 transitions. Word has length 354 [2020-12-01 15:04:08,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:04:08,656 INFO L481 AbstractCegarLoop]: Abstraction has 84638 states and 96139 transitions. [2020-12-01 15:04:08,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:04:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 84638 states and 96139 transitions. [2020-12-01 15:04:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-12-01 15:04:08,700 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:04:08,700 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:04:08,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:04:08,908 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:04:08,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:04:08,908 INFO L82 PathProgramCache]: Analyzing trace with hash -442124906, now seen corresponding path program 1 times [2020-12-01 15:04:08,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:04:08,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348228977] [2020-12-01 15:04:08,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:04:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2020-12-01 15:04:09,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348228977] [2020-12-01 15:04:09,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103666074] [2020-12-01 15:04:09,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:04:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:09,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:04:09,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:04:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-12-01 15:04:10,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:04:10,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:04:10,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224259531] [2020-12-01 15:04:10,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:04:10,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:04:10,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:04:10,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:04:10,413 INFO L87 Difference]: Start difference. First operand 84638 states and 96139 transitions. Second operand 3 states. [2020-12-01 15:04:11,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:04:11,636 INFO L93 Difference]: Finished difference Result 165628 states and 188361 transitions. [2020-12-01 15:04:11,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:04:11,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 386 [2020-12-01 15:04:11,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:04:11,714 INFO L225 Difference]: With dead ends: 165628 [2020-12-01 15:04:11,714 INFO L226 Difference]: Without dead ends: 84646 [2020-12-01 15:04:11,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:04:11,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84646 states. [2020-12-01 15:04:13,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84646 to 84638. [2020-12-01 15:04:13,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84638 states. [2020-12-01 15:04:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84638 states to 84638 states and 95913 transitions. [2020-12-01 15:04:13,119 INFO L78 Accepts]: Start accepts. Automaton has 84638 states and 95913 transitions. Word has length 386 [2020-12-01 15:04:13,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:04:13,120 INFO L481 AbstractCegarLoop]: Abstraction has 84638 states and 95913 transitions. [2020-12-01 15:04:13,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:04:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 84638 states and 95913 transitions. [2020-12-01 15:04:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2020-12-01 15:04:13,165 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:04:13,165 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:04:13,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-01 15:04:13,367 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:04:13,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:04:13,368 INFO L82 PathProgramCache]: Analyzing trace with hash -672467346, now seen corresponding path program 1 times [2020-12-01 15:04:13,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:04:13,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423722697] [2020-12-01 15:04:13,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:04:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2020-12-01 15:04:13,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423722697] [2020-12-01 15:04:13,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:04:13,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:04:13,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682722222] [2020-12-01 15:04:13,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:04:13,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:04:13,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:04:13,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:04:13,686 INFO L87 Difference]: Start difference. First operand 84638 states and 95913 transitions. Second operand 3 states. [2020-12-01 15:04:15,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:04:15,203 INFO L93 Difference]: Finished difference Result 170294 states and 193003 transitions. [2020-12-01 15:04:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:04:15,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 408 [2020-12-01 15:04:15,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:04:15,318 INFO L225 Difference]: With dead ends: 170294 [2020-12-01 15:04:15,318 INFO L226 Difference]: Without dead ends: 87282 [2020-12-01 15:04:15,364 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 [2020-12-01 15:04:15,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87282 states. [2020-12-01 15:04:16,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87282 to 86871. [2020-12-01 15:04:16,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86871 states. [2020-12-01 15:04:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86871 states to 86871 states and 98318 transitions. [2020-12-01 15:04:17,319 INFO L78 Accepts]: Start accepts. Automaton has 86871 states and 98318 transitions. Word has length 408 [2020-12-01 15:04:17,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:04:17,324 INFO L481 AbstractCegarLoop]: Abstraction has 86871 states and 98318 transitions. [2020-12-01 15:04:17,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:04:17,324 INFO L276 IsEmpty]: Start isEmpty. Operand 86871 states and 98318 transitions. [2020-12-01 15:04:17,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2020-12-01 15:04:17,404 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:04:17,404 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:04:17,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-01 15:04:17,405 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:04:17,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:04:17,405 INFO L82 PathProgramCache]: Analyzing trace with hash 152640046, now seen corresponding path program 1 times [2020-12-01 15:04:17,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:04:17,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322165985] [2020-12-01 15:04:17,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:04:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 312 proven. 12 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-12-01 15:04:17,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322165985] [2020-12-01 15:04:17,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624291545] [2020-12-01 15:04:17,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:04:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:18,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 15:04:18,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:04:18,685 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-12-01 15:04:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-12-01 15:04:18,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:04:18,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:04:18,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250727829] [2020-12-01 15:04:18,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:04:18,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:04:18,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:04:18,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:04:18,826 INFO L87 Difference]: Start difference. First operand 86871 states and 98318 transitions. Second operand 3 states. [2020-12-01 15:04:19,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:04:19,973 INFO L93 Difference]: Finished difference Result 165011 states and 186966 transitions. [2020-12-01 15:04:19,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:04:19,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 414 [2020-12-01 15:04:19,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:04:20,297 INFO L225 Difference]: With dead ends: 165011 [2020-12-01 15:04:20,300 INFO L226 Difference]: Without dead ends: 82405 [2020-12-01 15:04:20,324 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:04:20,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82405 states. [2020-12-01 15:04:21,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82405 to 82401. [2020-12-01 15:04:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82401 states. [2020-12-01 15:04:21,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82401 states to 82401 states and 91657 transitions. [2020-12-01 15:04:21,480 INFO L78 Accepts]: Start accepts. Automaton has 82401 states and 91657 transitions. Word has length 414 [2020-12-01 15:04:21,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:04:21,481 INFO L481 AbstractCegarLoop]: Abstraction has 82401 states and 91657 transitions. [2020-12-01 15:04:21,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:04:21,481 INFO L276 IsEmpty]: Start isEmpty. Operand 82401 states and 91657 transitions. [2020-12-01 15:04:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2020-12-01 15:04:21,523 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:04:21,523 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 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, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:04:21,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-01 15:04:21,724 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:04:21,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:04:21,725 INFO L82 PathProgramCache]: Analyzing trace with hash -913278628, now seen corresponding path program 1 times [2020-12-01 15:04:21,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:04:21,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820685533] [2020-12-01 15:04:21,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:04:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:22,203 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 318 proven. 12 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-12-01 15:04:22,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820685533] [2020-12-01 15:04:22,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925673219] [2020-12-01 15:04:22,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:04:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:22,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:04:22,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:04:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-12-01 15:04:23,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:04:23,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2020-12-01 15:04:23,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084773083] [2020-12-01 15:04:23,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:04:23,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:04:23,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:04:23,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:04:23,169 INFO L87 Difference]: Start difference. First operand 82401 states and 91657 transitions. Second operand 3 states. [2020-12-01 15:04:24,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:04:24,513 INFO L93 Difference]: Finished difference Result 161525 states and 179567 transitions. [2020-12-01 15:04:24,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:04:24,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 434 [2020-12-01 15:04:24,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:04:24,599 INFO L225 Difference]: With dead ends: 161525 [2020-12-01 15:04:24,599 INFO L226 Difference]: Without dead ends: 79735 [2020-12-01 15:04:24,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:04:24,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79735 states. [2020-12-01 15:04:25,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79735 to 77291. [2020-12-01 15:04:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77291 states. [2020-12-01 15:04:25,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77291 states to 77291 states and 84239 transitions. [2020-12-01 15:04:25,722 INFO L78 Accepts]: Start accepts. Automaton has 77291 states and 84239 transitions. Word has length 434 [2020-12-01 15:04:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:04:25,722 INFO L481 AbstractCegarLoop]: Abstraction has 77291 states and 84239 transitions. [2020-12-01 15:04:25,723 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:04:25,723 INFO L276 IsEmpty]: Start isEmpty. Operand 77291 states and 84239 transitions. [2020-12-01 15:04:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2020-12-01 15:04:25,748 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:04:25,748 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 8, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-12-01 15:04:25,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-01 15:04:25,949 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:04:25,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:04:25,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1123910995, now seen corresponding path program 2 times [2020-12-01 15:04:25,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:04:25,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035777159] [2020-12-01 15:04:25,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:04:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:04:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 172 proven. 12 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2020-12-01 15:04:26,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035777159] [2020-12-01 15:04:26,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280593762] [2020-12-01 15:04:26,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-01 15:04:26,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-01 15:04:26,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-01 15:04:26,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 15:04:26,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:04:27,169 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2020-12-01 15:04:27,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-01 15:04:27,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-12-01 15:04:27,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602482517] [2020-12-01 15:04:27,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 15:04:27,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:04:27,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:04:27,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:04:27,171 INFO L87 Difference]: Start difference. First operand 77291 states and 84239 transitions. Second operand 3 states. [2020-12-01 15:04:28,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:04:28,406 INFO L93 Difference]: Finished difference Result 154796 states and 169055 transitions. [2020-12-01 15:04:28,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:04:28,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 435 [2020-12-01 15:04:28,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:04:28,407 INFO L225 Difference]: With dead ends: 154796 [2020-12-01 15:04:28,407 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:04:28,446 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 434 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-01 15:04:28,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:04:28,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:04:28,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:04:28,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:04:28,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 435 [2020-12-01 15:04:28,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:04:28,447 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:04:28,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 15:04:28,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:04:28,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:04:28,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-01 15:04:28,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:04:29,685 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 478 DAG size of output: 73 [2020-12-01 15:04:30,323 WARN L197 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 73 [2020-12-01 15:04:31,548 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-12-01 15:04:32,511 WARN L197 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2020-12-01 15:04:32,514 INFO L262 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-12-01 15:04:32,514 INFO L262 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-12-01 15:04:32,515 INFO L262 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-12-01 15:04:32,516 INFO L262 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,517 INFO L262 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,518 INFO L262 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-12-01 15:04:32,519 INFO L262 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,520 INFO L262 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,521 INFO L262 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,522 INFO L262 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,522 INFO L262 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,522 INFO L262 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,522 INFO L262 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,522 INFO L262 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,522 INFO L262 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,522 INFO L262 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,522 INFO L262 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-12-01 15:04:32,522 INFO L262 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-12-01 15:04:32,523 INFO L262 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-12-01 15:04:32,523 INFO L262 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,523 INFO L262 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,523 INFO L262 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,523 INFO L262 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,523 INFO L262 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,523 INFO L262 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,523 INFO L262 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,524 INFO L262 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,525 INFO L262 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,525 INFO L262 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,525 INFO L262 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,525 INFO L262 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,525 INFO L262 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-12-01 15:04:32,525 INFO L262 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-12-01 15:04:32,525 INFO L262 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-12-01 15:04:32,525 INFO L262 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,525 INFO L262 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,525 INFO L262 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,526 INFO L262 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-12-01 15:04:32,526 INFO L262 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-12-01 15:04:32,526 INFO L262 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,526 INFO L262 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,526 INFO L262 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,526 INFO L262 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-12-01 15:04:32,526 INFO L262 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,526 INFO L262 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-12-01 15:04:32,527 INFO L262 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,527 INFO L262 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-12-01 15:04:32,527 INFO L262 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,527 INFO L262 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,527 INFO L262 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-12-01 15:04:32,527 INFO L262 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-12-01 15:04:32,527 INFO L262 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-12-01 15:04:32,527 INFO L262 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-12-01 15:04:32,527 INFO L262 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-12-01 15:04:32,528 INFO L262 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-12-01 15:04:32,528 INFO L262 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-12-01 15:04:32,528 INFO L262 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,528 INFO L262 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,528 INFO L262 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,529 INFO L258 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse13 (= ~a12~0 1))) (let ((.cse14 (<= ~a3~0 1)) (.cse8 (= ~a26~0 1)) (.cse11 (<= ~a12~0 0)) (.cse7 (= ~a11~0 1)) (.cse5 (<= ~a6~0 0)) (.cse2 (= ~a27~0 1)) (.cse4 (= ~a3~0 0)) (.cse12 (= ~a16~0 1)) (.cse0 (<= ~a11~0 0)) (.cse1 (= ~a5~0 1)) (.cse15 (<= ~a23~0 0)) (.cse6 (<= 1 ~a3~0)) (.cse3 (not .cse13)) (.cse9 (<= ~a27~0 0)) (.cse10 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse7 .cse5) (and .cse1 .cse6 .cse8 .cse9 .cse7 .cse5) (and .cse0 .cse1 .cse3 .cse8 .cse9 .cse4 .cse10) (and .cse1 .cse11 .cse12 .cse8 .cse9 .cse4 .cse7 .cse5) (and .cse13 .cse1 .cse6 .cse12 .cse9 .cse7 .cse10 .cse14) (and .cse1 .cse2 .cse11 .cse4 .cse7 .cse10) (and .cse13 .cse1 .cse2 .cse12 .cse4 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse6 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse15 .cse6 .cse10) (and .cse0 .cse1 .cse11 .cse6 .cse9 .cse10) (and .cse1 .cse6 .cse3 .cse8 .cse9 .cse7 .cse10) (and .cse1 .cse2 .cse8 .cse4 .cse7 .cse10) (and .cse1 .cse2 .cse11 .cse6 .cse7 .cse10) (and .cse1 .cse2 .cse12 .cse8 .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse9 .cse4 .cse5) (and .cse0 .cse1 .cse15 .cse6 .cse9 .cse10 .cse14) (and .cse0 .cse1 .cse2 .cse8 .cse4 .cse10) (and .cse0 .cse1 .cse2 .cse6 .cse8 .cse10) (and .cse1 .cse2 .cse15 .cse8 .cse4 .cse7 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse7 .cse5) (and .cse1 .cse2 .cse15 .cse4 .cse7 .cse10) (and .cse13 .cse1 .cse12 .cse8 .cse9 .cse4 .cse7 .cse5) (and .cse1 .cse2 .cse6 .cse8 .cse7 .cse5) (and .cse0 .cse1 .cse6 .cse9 .cse14 .cse5) (and .cse13 .cse1 .cse2 .cse12 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse6 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse0 .cse1 .cse6 .cse8 .cse9 .cse5) (and .cse1 .cse8 .cse9 .cse4 .cse7 .cse10) (and .cse1 .cse2 .cse6 .cse12 .cse8 .cse7 .cse10) (and .cse13 .cse0 .cse1 .cse12 .cse9 .cse4 .cse10) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse10) (and .cse1 .cse11 .cse6 .cse9 .cse7 .cse5) (and .cse0 .cse1 .cse2 (= ~a23~0 ~a12~0) .cse15 .cse4 (= ~a26~0 ~a23~0)) (and .cse13 .cse0 .cse1 .cse6 .cse12 .cse9 .cse10) (and .cse0 .cse1 .cse15 .cse6 .cse3 .cse9 .cse10)))) [2020-12-01 15:04:32,529 INFO L262 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,529 INFO L262 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,530 INFO L262 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,530 INFO L262 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-12-01 15:04:32,530 INFO L262 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-12-01 15:04:32,530 INFO L262 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,530 INFO L262 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,530 INFO L262 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,530 INFO L265 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-12-01 15:04:32,530 INFO L262 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,531 INFO L262 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,531 INFO L262 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,531 INFO L262 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,531 INFO L262 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,531 INFO L262 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,531 INFO L262 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-12-01 15:04:32,531 INFO L262 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-12-01 15:04:32,531 INFO L262 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-12-01 15:04:32,532 INFO L262 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,532 INFO L262 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,532 INFO L262 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,532 INFO L262 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,532 INFO L262 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,532 INFO L262 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,532 INFO L262 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,532 INFO L262 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,533 INFO L262 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,533 INFO L262 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-12-01 15:04:32,533 INFO L262 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-12-01 15:04:32,533 INFO L262 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,533 INFO L262 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,533 INFO L262 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-12-01 15:04:32,533 INFO L262 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-12-01 15:04:32,533 INFO L262 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,534 INFO L258 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse13 (= ~a12~0 1))) (let ((.cse14 (<= ~a3~0 1)) (.cse8 (= ~a26~0 1)) (.cse11 (<= ~a12~0 0)) (.cse7 (= ~a11~0 1)) (.cse5 (<= ~a6~0 0)) (.cse2 (= ~a27~0 1)) (.cse4 (= ~a3~0 0)) (.cse12 (= ~a16~0 1)) (.cse0 (<= ~a11~0 0)) (.cse1 (= ~a5~0 1)) (.cse15 (<= ~a23~0 0)) (.cse6 (<= 1 ~a3~0)) (.cse3 (not .cse13)) (.cse9 (<= ~a27~0 0)) (.cse10 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse7 .cse5) (and .cse1 .cse6 .cse8 .cse9 .cse7 .cse5) (and .cse0 .cse1 .cse3 .cse8 .cse9 .cse4 .cse10) (and .cse1 .cse11 .cse12 .cse8 .cse9 .cse4 .cse7 .cse5) (and .cse13 .cse1 .cse6 .cse12 .cse9 .cse7 .cse10 .cse14) (and .cse1 .cse2 .cse11 .cse4 .cse7 .cse10) (and .cse13 .cse1 .cse2 .cse12 .cse4 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse6 .cse5) (and .cse0 .cse1 .cse2 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse15 .cse6 .cse10) (and .cse0 .cse1 .cse11 .cse6 .cse9 .cse10) (and .cse1 .cse6 .cse3 .cse8 .cse9 .cse7 .cse10) (and .cse1 .cse2 .cse8 .cse4 .cse7 .cse10) (and .cse1 .cse2 .cse11 .cse6 .cse7 .cse10) (and .cse1 .cse2 .cse12 .cse8 .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse9 .cse4 .cse5) (and .cse0 .cse1 .cse15 .cse6 .cse9 .cse10 .cse14) (and .cse0 .cse1 .cse2 .cse8 .cse4 .cse10) (and .cse0 .cse1 .cse2 .cse6 .cse8 .cse10) (and .cse1 .cse2 .cse15 .cse8 .cse4 .cse7 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse7 .cse5) (and .cse1 .cse2 .cse15 .cse4 .cse7 .cse10) (and .cse13 .cse1 .cse12 .cse8 .cse9 .cse4 .cse7 .cse5) (and .cse1 .cse2 .cse6 .cse8 .cse7 .cse5) (and .cse0 .cse1 .cse6 .cse9 .cse14 .cse5) (and .cse13 .cse1 .cse2 .cse12 .cse6 .cse7 .cse10) (and .cse0 .cse1 .cse6 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse10) (and .cse0 .cse1 .cse6 .cse8 .cse9 .cse5) (and .cse1 .cse8 .cse9 .cse4 .cse7 .cse10) (and .cse1 .cse2 .cse6 .cse12 .cse8 .cse7 .cse10) (and .cse13 .cse0 .cse1 .cse12 .cse9 .cse4 .cse10) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse10) (and .cse1 .cse11 .cse6 .cse9 .cse7 .cse5) (and .cse0 .cse1 .cse2 (= ~a23~0 ~a12~0) .cse15 .cse4 (= ~a26~0 ~a23~0)) (and .cse13 .cse0 .cse1 .cse6 .cse12 .cse9 .cse10) (and .cse0 .cse1 .cse15 .cse6 .cse3 .cse9 .cse10)))) [2020-12-01 15:04:32,534 INFO L262 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,535 INFO L262 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,535 INFO L262 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,535 INFO L262 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,535 INFO L262 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-12-01 15:04:32,535 INFO L262 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-12-01 15:04:32,535 INFO L262 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,535 INFO L262 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,535 INFO L262 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,536 INFO L262 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,536 INFO L262 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,536 INFO L262 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,536 INFO L262 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,536 INFO L262 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,536 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:04:32,536 INFO L262 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-12-01 15:04:32,536 INFO L262 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-12-01 15:04:32,537 INFO L262 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-12-01 15:04:32,537 INFO L262 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,537 INFO L262 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-12-01 15:04:32,537 INFO L262 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,537 INFO L262 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,537 INFO L262 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-12-01 15:04:32,537 INFO L262 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,537 INFO L262 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,537 INFO L262 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,538 INFO L262 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,538 INFO L262 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,538 INFO L262 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-12-01 15:04:32,538 INFO L262 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,538 INFO L262 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-12-01 15:04:32,538 INFO L262 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-12-01 15:04:32,538 INFO L262 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-12-01 15:04:32,538 INFO L262 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,539 INFO L262 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,539 INFO L262 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,539 INFO L262 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,539 INFO L262 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,539 INFO L262 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,539 INFO L262 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,539 INFO L262 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,539 INFO L262 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-12-01 15:04:32,540 INFO L262 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-12-01 15:04:32,540 INFO L262 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,540 INFO L262 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,540 INFO L262 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-12-01 15:04:32,540 INFO L262 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-12-01 15:04:32,540 INFO L262 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-12-01 15:04:32,540 INFO L262 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,540 INFO L262 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,540 INFO L262 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,541 INFO L262 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,541 INFO L262 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,541 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:04:32,541 INFO L262 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,541 INFO L262 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,541 INFO L262 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,541 INFO L262 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,542 INFO L262 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,542 INFO L262 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,542 INFO L262 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-12-01 15:04:32,542 INFO L262 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-12-01 15:04:32,542 INFO L262 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-12-01 15:04:32,542 INFO L262 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,542 INFO L262 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,542 INFO L262 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,542 INFO L262 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,543 INFO L262 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,543 INFO L262 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,543 INFO L262 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,543 INFO L262 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-12-01 15:04:32,543 INFO L262 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-12-01 15:04:32,543 INFO L262 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,543 INFO L262 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,544 INFO L262 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-12-01 15:04:32,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:04:32 BoogieIcfgContainer [2020-12-01 15:04:32,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:04:32,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:04:32,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:04:32,584 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:04:32,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:03:34" (3/4) ... [2020-12-01 15:04:32,587 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:04:32,631 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 15:04:32,635 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 15:04:32,639 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:04:32,642 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:04:32,841 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b8f80c8c-97ba-43da-8626-56cc0dd9a84e/bin/uautomizer/witness.graphml [2020-12-01 15:04:32,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:04:32,842 INFO L168 Benchmark]: Toolchain (without parser) took 62770.53 ms. Allocated memory was 81.8 MB in the beginning and 13.5 GB in the end (delta: 13.4 GB). Free memory was 46.1 MB in the beginning and 11.3 GB in the end (delta: -11.3 GB). Peak memory consumption was 2.1 GB. Max. memory is 16.1 GB. [2020-12-01 15:04:32,843 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 81.8 MB. Free memory was 38.7 MB in the beginning and 38.7 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:04:32,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1291.21 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 45.9 MB in the beginning and 49.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:04:32,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.43 ms. Allocated memory is still 98.6 MB. Free memory was 49.8 MB in the beginning and 58.3 MB in the end (delta: -8.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:04:32,844 INFO L168 Benchmark]: Boogie Preprocessor took 137.22 ms. Allocated memory is still 98.6 MB. Free memory was 58.3 MB in the beginning and 47.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:04:32,845 INFO L168 Benchmark]: RCFGBuilder took 2505.67 ms. Allocated memory was 98.6 MB in the beginning and 237.0 MB in the end (delta: 138.4 MB). Free memory was 47.4 MB in the beginning and 144.0 MB in the end (delta: -96.6 MB). Peak memory consumption was 59.5 MB. Max. memory is 16.1 GB. [2020-12-01 15:04:32,845 INFO L168 Benchmark]: TraceAbstraction took 58365.97 ms. Allocated memory was 237.0 MB in the beginning and 13.5 GB in the end (delta: 13.3 GB). Free memory was 144.0 MB in the beginning and 11.4 GB in the end (delta: -11.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.1 GB. [2020-12-01 15:04:32,845 INFO L168 Benchmark]: Witness Printer took 257.94 ms. Allocated memory is still 13.5 GB. Free memory was 11.4 GB in the beginning and 11.3 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-01 15:04:32,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 81.8 MB. Free memory was 38.7 MB in the beginning and 38.7 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1291.21 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 45.9 MB in the beginning and 49.8 MB in the end (delta: -4.0 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 204.43 ms. Allocated memory is still 98.6 MB. Free memory was 49.8 MB in the beginning and 58.3 MB in the end (delta: -8.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 137.22 ms. Allocated memory is still 98.6 MB. Free memory was 58.3 MB in the beginning and 47.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2505.67 ms. Allocated memory was 98.6 MB in the beginning and 237.0 MB in the end (delta: 138.4 MB). Free memory was 47.4 MB in the beginning and 144.0 MB in the end (delta: -96.6 MB). Peak memory consumption was 59.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 58365.97 ms. Allocated memory was 237.0 MB in the beginning and 13.5 GB in the end (delta: 13.3 GB). Free memory was 144.0 MB in the beginning and 11.4 GB in the end (delta: -11.2 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.1 GB. * Witness Printer took 257.94 ms. Allocated memory is still 13.5 GB. Free memory was 11.4 GB in the beginning and 11.3 GB in the end (delta: 37.7 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: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((a11 <= 0 && a5 == 1) && a27 == 1) && !(a12 == 1)) && a3 == 0) && a6 <= 0) || (((((a5 == 1 && a27 == 1) && 1 <= a3) && !(a12 == 1)) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && 1 <= a3) && a26 == 1) && a27 <= 0) && a11 == 1) && a6 <= 0)) || ((((((a11 <= 0 && a5 == 1) && !(a12 == 1)) && a26 == 1) && a27 <= 0) && a3 == 0) && a6 == 1)) || (((((((a5 == 1 && a12 <= 0) && a16 == 1) && a26 == 1) && a27 <= 0) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((((a12 == 1 && a5 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && a11 == 1) && a6 == 1) && a3 <= 1)) || (((((a5 == 1 && a27 == 1) && a12 <= 0) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((((a12 == 1 && a5 == 1) && a27 == 1) && a16 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((a11 <= 0 && a5 == 1) && a27 == 1) && 1 <= a3) && a6 <= 0)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && a26 == 1) && a3 == 0) && a6 <= 0)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && a23 <= 0) && 1 <= a3) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && a12 <= 0) && 1 <= a3) && a27 <= 0) && a6 == 1)) || ((((((a5 == 1 && 1 <= a3) && !(a12 == 1)) && a26 == 1) && a27 <= 0) && a11 == 1) && a6 == 1)) || (((((a5 == 1 && a27 == 1) && a26 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || (((((a5 == 1 && a27 == 1) && a12 <= 0) && 1 <= a3) && a11 == 1) && a6 == 1)) || ((((((a5 == 1 && a27 == 1) && a16 == 1) && a26 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a11 <= 0 && a5 == 1) && a27 <= 0) && a3 == 0) && a6 <= 0)) || ((((((a11 <= 0 && a5 == 1) && a23 <= 0) && 1 <= a3) && a27 <= 0) && a6 == 1) && a3 <= 1)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && a26 == 1) && a3 == 0) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && 1 <= a3) && a26 == 1) && a6 == 1)) || ((((((a5 == 1 && a27 == 1) && a23 <= 0) && a26 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && !(a12 == 1)) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && a23 <= 0) && a3 == 0) && a11 == 1) && a6 == 1)) || (((((((a12 == 1 && a5 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && 1 <= a3) && a26 == 1) && a11 == 1) && a6 <= 0)) || (((((a11 <= 0 && a5 == 1) && 1 <= a3) && a27 <= 0) && a3 <= 1) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 == 1) && a16 == 1) && 1 <= a3) && a11 == 1) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && 1 <= a3) && a26 == 1) && a27 <= 0) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && !(a12 == 1)) && a3 == 0) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && 1 <= a3) && a26 == 1) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a26 == 1) && a27 <= 0) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((((a5 == 1 && a27 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a6 == 1)) || ((((((a12 == 1 && a11 <= 0) && a5 == 1) && a16 == 1) && a27 <= 0) && a3 == 0) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && 1 <= a3) && !(a12 == 1)) && a6 == 1)) || (((((a5 == 1 && a12 <= 0) && 1 <= a3) && a27 <= 0) && a11 == 1) && a6 <= 0)) || ((((((a11 <= 0 && a5 == 1) && a27 == 1) && a23 == a12) && a23 <= 0) && a3 == 0) && a26 == a23)) || ((((((a12 == 1 && a11 <= 0) && a5 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && a6 == 1)) || ((((((a11 <= 0 && a5 == 1) && a23 <= 0) && 1 <= a3) && !(a12 == 1)) && a27 <= 0) && a6 == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((a11 <= 0 && a5 == 1) && a27 == 1) && !(a12 == 1)) && a3 == 0) && a6 <= 0) || (((((a5 == 1 && a27 == 1) && 1 <= a3) && !(a12 == 1)) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && 1 <= a3) && a26 == 1) && a27 <= 0) && a11 == 1) && a6 <= 0)) || ((((((a11 <= 0 && a5 == 1) && !(a12 == 1)) && a26 == 1) && a27 <= 0) && a3 == 0) && a6 == 1)) || (((((((a5 == 1 && a12 <= 0) && a16 == 1) && a26 == 1) && a27 <= 0) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((((a12 == 1 && a5 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && a11 == 1) && a6 == 1) && a3 <= 1)) || (((((a5 == 1 && a27 == 1) && a12 <= 0) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((((a12 == 1 && a5 == 1) && a27 == 1) && a16 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((a11 <= 0 && a5 == 1) && a27 == 1) && 1 <= a3) && a6 <= 0)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && a26 == 1) && a3 == 0) && a6 <= 0)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && a23 <= 0) && 1 <= a3) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && a12 <= 0) && 1 <= a3) && a27 <= 0) && a6 == 1)) || ((((((a5 == 1 && 1 <= a3) && !(a12 == 1)) && a26 == 1) && a27 <= 0) && a11 == 1) && a6 == 1)) || (((((a5 == 1 && a27 == 1) && a26 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || (((((a5 == 1 && a27 == 1) && a12 <= 0) && 1 <= a3) && a11 == 1) && a6 == 1)) || ((((((a5 == 1 && a27 == 1) && a16 == 1) && a26 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a11 <= 0 && a5 == 1) && a27 <= 0) && a3 == 0) && a6 <= 0)) || ((((((a11 <= 0 && a5 == 1) && a23 <= 0) && 1 <= a3) && a27 <= 0) && a6 == 1) && a3 <= 1)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && a26 == 1) && a3 == 0) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && 1 <= a3) && a26 == 1) && a6 == 1)) || ((((((a5 == 1 && a27 == 1) && a23 <= 0) && a26 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && !(a12 == 1)) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && a23 <= 0) && a3 == 0) && a11 == 1) && a6 == 1)) || (((((((a12 == 1 && a5 == 1) && a16 == 1) && a26 == 1) && a27 <= 0) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && 1 <= a3) && a26 == 1) && a11 == 1) && a6 <= 0)) || (((((a11 <= 0 && a5 == 1) && 1 <= a3) && a27 <= 0) && a3 <= 1) && a6 <= 0)) || ((((((a12 == 1 && a5 == 1) && a27 == 1) && a16 == 1) && 1 <= a3) && a11 == 1) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && 1 <= a3) && a26 == 1) && a27 <= 0) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && !(a12 == 1)) && a3 == 0) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && 1 <= a3) && a26 == 1) && a27 <= 0) && a6 <= 0)) || (((((a5 == 1 && a26 == 1) && a27 <= 0) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((((a5 == 1 && a27 == 1) && 1 <= a3) && a16 == 1) && a26 == 1) && a11 == 1) && a6 == 1)) || ((((((a12 == 1 && a11 <= 0) && a5 == 1) && a16 == 1) && a27 <= 0) && a3 == 0) && a6 == 1)) || (((((a11 <= 0 && a5 == 1) && a27 == 1) && 1 <= a3) && !(a12 == 1)) && a6 == 1)) || (((((a5 == 1 && a12 <= 0) && 1 <= a3) && a27 <= 0) && a11 == 1) && a6 <= 0)) || ((((((a11 <= 0 && a5 == 1) && a27 == 1) && a23 == a12) && a23 <= 0) && a3 == 0) && a26 == a23)) || ((((((a12 == 1 && a11 <= 0) && a5 == 1) && 1 <= a3) && a16 == 1) && a27 <= 0) && a6 == 1)) || ((((((a11 <= 0 && a5 == 1) && a23 <= 0) && 1 <= a3) && !(a12 == 1)) && a27 <= 0) && a6 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 54.3s, OverallIterations: 18, TraceHistogramMax: 10, AutomataDifference: 25.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3271 SDtfs, 3758 SDslu, 781 SDs, 0 SdLazy, 10200 SolverSat, 2118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3333 GetRequests, 3289 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86871occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 12.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 3788 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 811 NumberOfFragments, 1559 HoareAnnotationTreeSize, 3 FomulaSimplifications, 23658 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 3 FomulaSimplificationsInter, 224 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 8283 NumberOfCodeBlocks, 8283 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 8255 ConstructedInterpolants, 0 QuantifiedInterpolants, 6915133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 6756 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 28 InterpolantComputations, 18 PerfectInterpolantSequences, 7469/7571 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...