./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/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 ab22c0365eb274fbdef281fcc68fa9748749388c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:10:42,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:10:42,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:10:42,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:10:42,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:10:42,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:10:42,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:10:42,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:10:42,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:10:42,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:10:42,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:10:42,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:10:42,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:10:42,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:10:42,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:10:42,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:10:42,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:10:42,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:10:42,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:10:42,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:10:42,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:10:42,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:10:42,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:10:42,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:10:42,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:10:42,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:10:42,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:10:42,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:10:42,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:10:42,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:10:42,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:10:42,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:10:42,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:10:42,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:10:42,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:10:42,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:10:42,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:10:42,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:10:42,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:10:42,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:10:42,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:10:42,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:10:42,199 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:10:42,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:10:42,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:10:42,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:10:42,202 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:10:42,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:10:42,203 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:10:42,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:10:42,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:10:42,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:10:42,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:10:42,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:10:42,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:10:42,205 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:10:42,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:10:42,206 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:10:42,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:10:42,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:10:42,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:10:42,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:10:42,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:10:42,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:10:42,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:10:42,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:10:42,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:10:42,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:10:42,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:10:42,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:10:42,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:10:42,209 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_e5824ba5-36f3-4355-b793-ca1a9e5703b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab22c0365eb274fbdef281fcc68fa9748749388c [2020-11-29 22:10:42,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:10:42,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:10:42,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:10:42,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:10:42,529 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:10:42,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2020-11-29 22:10:42,614 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/data/924389626/22f2d2705cc8448494c01eea24852e1c/FLAG22fdfa141 [2020-11-29 22:10:43,417 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:10:43,417 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/sv-benchmarks/c/eca-rers2012/Problem03_label22.c [2020-11-29 22:10:43,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/data/924389626/22f2d2705cc8448494c01eea24852e1c/FLAG22fdfa141 [2020-11-29 22:10:43,532 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/data/924389626/22f2d2705cc8448494c01eea24852e1c [2020-11-29 22:10:43,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:10:43,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:10:43,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:10:43,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:10:43,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:10:43,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:10:43" (1/1) ... [2020-11-29 22:10:43,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14066370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:43, skipping insertion in model container [2020-11-29 22:10:43,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:10:43" (1/1) ... [2020-11-29 22:10:43,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:10:43,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:10:44,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:10:44,434 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:10:44,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:10:44,804 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:10:44,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44 WrapperNode [2020-11-29 22:10:44,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:10:44,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:10:44,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:10:44,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:10:44,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (1/1) ... [2020-11-29 22:10:44,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (1/1) ... [2020-11-29 22:10:44,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:10:44,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:10:44,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:10:44,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:10:44,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (1/1) ... [2020-11-29 22:10:44,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (1/1) ... [2020-11-29 22:10:44,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (1/1) ... [2020-11-29 22:10:44,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (1/1) ... [2020-11-29 22:10:45,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (1/1) ... [2020-11-29 22:10:45,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (1/1) ... [2020-11-29 22:10:45,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (1/1) ... [2020-11-29 22:10:45,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:10:45,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:10:45,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:10:45,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:10:45,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:10:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:10:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:10:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:10:45,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:10:47,473 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:10:47,473 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 22:10:47,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:10:47 BoogieIcfgContainer [2020-11-29 22:10:47,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:10:47,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:10:47,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:10:47,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:10:47,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:10:43" (1/3) ... [2020-11-29 22:10:47,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19144c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:10:47, skipping insertion in model container [2020-11-29 22:10:47,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:10:44" (2/3) ... [2020-11-29 22:10:47,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19144c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:10:47, skipping insertion in model container [2020-11-29 22:10:47,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:10:47" (3/3) ... [2020-11-29 22:10:47,487 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label22.c [2020-11-29 22:10:47,498 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:10:47,504 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:10:47,516 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:10:47,556 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:10:47,556 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:10:47,556 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:10:47,557 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:10:47,557 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:10:47,557 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:10:47,557 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:10:47,557 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:10:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-11-29 22:10:47,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-29 22:10:47,599 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:47,600 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, 1, 1] [2020-11-29 22:10:47,600 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:47,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:47,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1133598669, now seen corresponding path program 1 times [2020-11-29 22:10:47,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:47,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137589494] [2020-11-29 22:10:47,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:10:48,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137589494] [2020-11-29 22:10:48,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:48,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:48,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058125571] [2020-11-29 22:10:48,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:48,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:48,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:48,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:48,399 INFO L87 Difference]: Start difference. First operand 303 states. Second operand 3 states. [2020-11-29 22:10:50,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:50,160 INFO L93 Difference]: Finished difference Result 830 states and 1479 transitions. [2020-11-29 22:10:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:50,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2020-11-29 22:10:50,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:50,181 INFO L225 Difference]: With dead ends: 830 [2020-11-29 22:10:50,181 INFO L226 Difference]: Without dead ends: 463 [2020-11-29 22:10:50,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:50,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-11-29 22:10:50,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2020-11-29 22:10:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-11-29 22:10:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2020-11-29 22:10:50,257 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 167 [2020-11-29 22:10:50,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:50,258 INFO L481 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2020-11-29 22:10:50,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:50,259 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2020-11-29 22:10:50,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-29 22:10:50,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:50,264 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-11-29 22:10:50,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:10:50,264 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:50,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:50,265 INFO L82 PathProgramCache]: Analyzing trace with hash -2002964831, now seen corresponding path program 1 times [2020-11-29 22:10:50,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:50,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443129415] [2020-11-29 22:10:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:10:50,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443129415] [2020-11-29 22:10:50,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:50,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:50,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594925985] [2020-11-29 22:10:50,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:50,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:50,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:50,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:50,379 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand 3 states. [2020-11-29 22:10:51,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:51,529 INFO L93 Difference]: Finished difference Result 1319 states and 2138 transitions. [2020-11-29 22:10:51,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:51,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2020-11-29 22:10:51,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:51,537 INFO L225 Difference]: With dead ends: 1319 [2020-11-29 22:10:51,537 INFO L226 Difference]: Without dead ends: 872 [2020-11-29 22:10:51,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:51,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-11-29 22:10:51,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 870. [2020-11-29 22:10:51,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2020-11-29 22:10:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2020-11-29 22:10:51,603 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 172 [2020-11-29 22:10:51,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:51,603 INFO L481 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2020-11-29 22:10:51,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2020-11-29 22:10:51,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-29 22:10:51,609 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:51,610 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2020-11-29 22:10:51,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:10:51,610 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:51,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:51,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1952902673, now seen corresponding path program 1 times [2020-11-29 22:10:51,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:51,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074353533] [2020-11-29 22:10:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:51,800 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 22:10:51,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074353533] [2020-11-29 22:10:51,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:51,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:10:51,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137079813] [2020-11-29 22:10:51,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:51,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:51,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:51,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:51,810 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand 3 states. [2020-11-29 22:10:52,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:52,980 INFO L93 Difference]: Finished difference Result 2558 states and 3874 transitions. [2020-11-29 22:10:52,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:52,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2020-11-29 22:10:52,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:52,993 INFO L225 Difference]: With dead ends: 2558 [2020-11-29 22:10:52,993 INFO L226 Difference]: Without dead ends: 1690 [2020-11-29 22:10:52,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:52,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-11-29 22:10:53,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1689. [2020-11-29 22:10:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1689 states. [2020-11-29 22:10:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2379 transitions. [2020-11-29 22:10:53,054 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2379 transitions. Word has length 187 [2020-11-29 22:10:53,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:53,055 INFO L481 AbstractCegarLoop]: Abstraction has 1689 states and 2379 transitions. [2020-11-29 22:10:53,055 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:53,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2379 transitions. [2020-11-29 22:10:53,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-11-29 22:10:53,062 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:53,062 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:53,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 22:10:53,063 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:53,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:53,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1067299642, now seen corresponding path program 1 times [2020-11-29 22:10:53,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:53,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547758480] [2020-11-29 22:10:53,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:10:53,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547758480] [2020-11-29 22:10:53,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:53,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:53,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606051256] [2020-11-29 22:10:53,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:53,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:53,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:53,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:53,218 INFO L87 Difference]: Start difference. First operand 1689 states and 2379 transitions. Second operand 3 states. [2020-11-29 22:10:54,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:54,669 INFO L93 Difference]: Finished difference Result 4823 states and 6844 transitions. [2020-11-29 22:10:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:54,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2020-11-29 22:10:54,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:54,688 INFO L225 Difference]: With dead ends: 4823 [2020-11-29 22:10:54,688 INFO L226 Difference]: Without dead ends: 3136 [2020-11-29 22:10:54,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:54,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3136 states. [2020-11-29 22:10:54,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3136 to 3114. [2020-11-29 22:10:54,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3114 states. [2020-11-29 22:10:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 4420 transitions. [2020-11-29 22:10:54,804 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 4420 transitions. Word has length 193 [2020-11-29 22:10:54,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:54,804 INFO L481 AbstractCegarLoop]: Abstraction has 3114 states and 4420 transitions. [2020-11-29 22:10:54,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 4420 transitions. [2020-11-29 22:10:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-11-29 22:10:54,814 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:54,815 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2020-11-29 22:10:54,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 22:10:54,815 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:54,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:54,816 INFO L82 PathProgramCache]: Analyzing trace with hash 613101378, now seen corresponding path program 1 times [2020-11-29 22:10:54,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:54,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011300408] [2020-11-29 22:10:54,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 22:10:54,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011300408] [2020-11-29 22:10:54,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:54,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:10:54,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982697246] [2020-11-29 22:10:54,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:54,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:54,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:54,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:54,956 INFO L87 Difference]: Start difference. First operand 3114 states and 4420 transitions. Second operand 3 states. [2020-11-29 22:10:56,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:56,270 INFO L93 Difference]: Finished difference Result 9071 states and 12882 transitions. [2020-11-29 22:10:56,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:56,271 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2020-11-29 22:10:56,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:56,303 INFO L225 Difference]: With dead ends: 9071 [2020-11-29 22:10:56,303 INFO L226 Difference]: Without dead ends: 5959 [2020-11-29 22:10:56,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:56,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5959 states. [2020-11-29 22:10:56,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5959 to 4738. [2020-11-29 22:10:56,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4738 states. [2020-11-29 22:10:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4738 states to 4738 states and 6273 transitions. [2020-11-29 22:10:56,444 INFO L78 Accepts]: Start accepts. Automaton has 4738 states and 6273 transitions. Word has length 195 [2020-11-29 22:10:56,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:56,445 INFO L481 AbstractCegarLoop]: Abstraction has 4738 states and 6273 transitions. [2020-11-29 22:10:56,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 4738 states and 6273 transitions. [2020-11-29 22:10:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-29 22:10:56,455 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:56,455 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:56,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 22:10:56,456 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:56,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:56,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1672345217, now seen corresponding path program 1 times [2020-11-29 22:10:56,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:56,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496033799] [2020-11-29 22:10:56,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:56,554 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 22:10:56,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496033799] [2020-11-29 22:10:56,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:56,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:56,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329190132] [2020-11-29 22:10:56,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:56,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:56,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:56,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:56,560 INFO L87 Difference]: Start difference. First operand 4738 states and 6273 transitions. Second operand 3 states. [2020-11-29 22:10:57,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:57,633 INFO L93 Difference]: Finished difference Result 9475 states and 12546 transitions. [2020-11-29 22:10:57,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:57,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2020-11-29 22:10:57,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:57,659 INFO L225 Difference]: With dead ends: 9475 [2020-11-29 22:10:57,659 INFO L226 Difference]: Without dead ends: 4739 [2020-11-29 22:10:57,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:57,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4739 states. [2020-11-29 22:10:57,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4739 to 4738. [2020-11-29 22:10:57,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4738 states. [2020-11-29 22:10:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4738 states to 4738 states and 5972 transitions. [2020-11-29 22:10:57,782 INFO L78 Accepts]: Start accepts. Automaton has 4738 states and 5972 transitions. Word has length 201 [2020-11-29 22:10:57,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:57,787 INFO L481 AbstractCegarLoop]: Abstraction has 4738 states and 5972 transitions. [2020-11-29 22:10:57,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 4738 states and 5972 transitions. [2020-11-29 22:10:57,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-11-29 22:10:57,799 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:57,800 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:57,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 22:10:57,800 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:57,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:57,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1484628760, now seen corresponding path program 1 times [2020-11-29 22:10:57,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:57,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348896680] [2020-11-29 22:10:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:57,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-29 22:10:57,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348896680] [2020-11-29 22:10:57,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:57,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:57,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933964387] [2020-11-29 22:10:57,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:57,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:57,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:57,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:57,984 INFO L87 Difference]: Start difference. First operand 4738 states and 5972 transitions. Second operand 3 states. [2020-11-29 22:10:58,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:10:58,599 INFO L93 Difference]: Finished difference Result 9442 states and 11899 transitions. [2020-11-29 22:10:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:10:58,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 215 [2020-11-29 22:10:58,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:10:58,622 INFO L225 Difference]: With dead ends: 9442 [2020-11-29 22:10:58,623 INFO L226 Difference]: Without dead ends: 4706 [2020-11-29 22:10:58,629 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:58,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4706 states. [2020-11-29 22:10:58,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4706 to 4706. [2020-11-29 22:10:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4706 states. [2020-11-29 22:10:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4706 states to 4706 states and 5794 transitions. [2020-11-29 22:10:58,733 INFO L78 Accepts]: Start accepts. Automaton has 4706 states and 5794 transitions. Word has length 215 [2020-11-29 22:10:58,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:10:58,734 INFO L481 AbstractCegarLoop]: Abstraction has 4706 states and 5794 transitions. [2020-11-29 22:10:58,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:10:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 4706 states and 5794 transitions. [2020-11-29 22:10:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-11-29 22:10:58,744 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:10:58,745 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:10:58,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 22:10:58,745 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:10:58,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:10:58,746 INFO L82 PathProgramCache]: Analyzing trace with hash -4399995, now seen corresponding path program 1 times [2020-11-29 22:10:58,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:10:58,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558135735] [2020-11-29 22:10:58,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:10:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:10:58,962 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-29 22:10:58,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558135735] [2020-11-29 22:10:58,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:10:58,963 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:10:58,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925236978] [2020-11-29 22:10:58,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:10:58,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:10:58,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:10:58,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:10:58,965 INFO L87 Difference]: Start difference. First operand 4706 states and 5794 transitions. Second operand 3 states. [2020-11-29 22:11:00,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:00,042 INFO L93 Difference]: Finished difference Result 11247 states and 13790 transitions. [2020-11-29 22:11:00,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:00,042 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2020-11-29 22:11:00,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:00,096 INFO L225 Difference]: With dead ends: 11247 [2020-11-29 22:11:00,096 INFO L226 Difference]: Without dead ends: 6949 [2020-11-29 22:11:00,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:00,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6949 states. [2020-11-29 22:11:00,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6949 to 6948. [2020-11-29 22:11:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6948 states. [2020-11-29 22:11:00,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6948 states to 6948 states and 8449 transitions. [2020-11-29 22:11:00,221 INFO L78 Accepts]: Start accepts. Automaton has 6948 states and 8449 transitions. Word has length 221 [2020-11-29 22:11:00,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:00,222 INFO L481 AbstractCegarLoop]: Abstraction has 6948 states and 8449 transitions. [2020-11-29 22:11:00,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 6948 states and 8449 transitions. [2020-11-29 22:11:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-29 22:11:00,235 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:00,236 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:00,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 22:11:00,236 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:00,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:00,237 INFO L82 PathProgramCache]: Analyzing trace with hash 210829432, now seen corresponding path program 2 times [2020-11-29 22:11:00,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:00,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209619440] [2020-11-29 22:11:00,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 22:11:00,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209619440] [2020-11-29 22:11:00,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:11:00,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:11:00,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295242833] [2020-11-29 22:11:00,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:00,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:00,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:00,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:00,361 INFO L87 Difference]: Start difference. First operand 6948 states and 8449 transitions. Second operand 3 states. [2020-11-29 22:11:01,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:01,323 INFO L93 Difference]: Finished difference Result 16736 states and 20585 transitions. [2020-11-29 22:11:01,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:01,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2020-11-29 22:11:01,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:01,344 INFO L225 Difference]: With dead ends: 16736 [2020-11-29 22:11:01,344 INFO L226 Difference]: Without dead ends: 10399 [2020-11-29 22:11:01,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:01,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10399 states. [2020-11-29 22:11:01,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10399 to 10399. [2020-11-29 22:11:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10399 states. [2020-11-29 22:11:01,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10399 states to 10399 states and 12086 transitions. [2020-11-29 22:11:01,519 INFO L78 Accepts]: Start accepts. Automaton has 10399 states and 12086 transitions. Word has length 228 [2020-11-29 22:11:01,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:01,519 INFO L481 AbstractCegarLoop]: Abstraction has 10399 states and 12086 transitions. [2020-11-29 22:11:01,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:01,519 INFO L276 IsEmpty]: Start isEmpty. Operand 10399 states and 12086 transitions. [2020-11-29 22:11:01,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-11-29 22:11:01,536 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:01,537 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-11-29 22:11:01,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 22:11:01,537 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:01,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:01,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1483792844, now seen corresponding path program 1 times [2020-11-29 22:11:01,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:01,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543728641] [2020-11-29 22:11:01,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 22:11:01,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543728641] [2020-11-29 22:11:01,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668791972] [2020-11-29 22:11:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:01,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 22:11:01,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:02,098 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 22:11:02,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:02,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:11:02,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622131980] [2020-11-29 22:11:02,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:02,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:02,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:02,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:02,104 INFO L87 Difference]: Start difference. First operand 10399 states and 12086 transitions. Second operand 3 states. [2020-11-29 22:11:03,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:03,336 INFO L93 Difference]: Finished difference Result 19169 states and 22241 transitions. [2020-11-29 22:11:03,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:03,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2020-11-29 22:11:03,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:03,361 INFO L225 Difference]: With dead ends: 19169 [2020-11-29 22:11:03,361 INFO L226 Difference]: Without dead ends: 9381 [2020-11-29 22:11:03,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:03,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9381 states. [2020-11-29 22:11:03,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9381 to 7348. [2020-11-29 22:11:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7348 states. [2020-11-29 22:11:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7348 states to 7348 states and 8249 transitions. [2020-11-29 22:11:03,517 INFO L78 Accepts]: Start accepts. Automaton has 7348 states and 8249 transitions. Word has length 235 [2020-11-29 22:11:03,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:03,517 INFO L481 AbstractCegarLoop]: Abstraction has 7348 states and 8249 transitions. [2020-11-29 22:11:03,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 7348 states and 8249 transitions. [2020-11-29 22:11:03,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-29 22:11:03,535 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:03,535 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:11:03,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-29 22:11:03,763 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:03,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:03,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1376774944, now seen corresponding path program 1 times [2020-11-29 22:11:03,763 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:03,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075584673] [2020-11-29 22:11:03,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-11-29 22:11:03,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075584673] [2020-11-29 22:11:03,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013496060] [2020-11-29 22:11:03,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:04,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:11:04,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 22:11:04,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:04,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:11:04,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744703073] [2020-11-29 22:11:04,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:04,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:04,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:04,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:04,328 INFO L87 Difference]: Start difference. First operand 7348 states and 8249 transitions. Second operand 3 states. [2020-11-29 22:11:04,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:04,959 INFO L93 Difference]: Finished difference Result 22026 states and 24727 transitions. [2020-11-29 22:11:04,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:04,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 268 [2020-11-29 22:11:04,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:04,994 INFO L225 Difference]: With dead ends: 22026 [2020-11-29 22:11:04,994 INFO L226 Difference]: Without dead ends: 14680 [2020-11-29 22:11:05,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:05,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14680 states. [2020-11-29 22:11:05,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14680 to 14678. [2020-11-29 22:11:05,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14678 states. [2020-11-29 22:11:05,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14678 states to 14678 states and 16282 transitions. [2020-11-29 22:11:05,298 INFO L78 Accepts]: Start accepts. Automaton has 14678 states and 16282 transitions. Word has length 268 [2020-11-29 22:11:05,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:05,298 INFO L481 AbstractCegarLoop]: Abstraction has 14678 states and 16282 transitions. [2020-11-29 22:11:05,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:05,302 INFO L276 IsEmpty]: Start isEmpty. Operand 14678 states and 16282 transitions. [2020-11-29 22:11:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-11-29 22:11:05,325 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:05,326 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:11:05,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:05,544 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:05,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:05,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1325937073, now seen corresponding path program 1 times [2020-11-29 22:11:05,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:05,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897745300] [2020-11-29 22:11:05,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:05,849 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-29 22:11:05,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897745300] [2020-11-29 22:11:05,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:11:05,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:11:05,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829069956] [2020-11-29 22:11:05,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:05,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:05,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:05,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:05,851 INFO L87 Difference]: Start difference. First operand 14678 states and 16282 transitions. Second operand 3 states. [2020-11-29 22:11:07,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:07,154 INFO L93 Difference]: Finished difference Result 34045 states and 37778 transitions. [2020-11-29 22:11:07,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:07,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-11-29 22:11:07,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:07,191 INFO L225 Difference]: With dead ends: 34045 [2020-11-29 22:11:07,192 INFO L226 Difference]: Without dead ends: 19369 [2020-11-29 22:11:07,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:07,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19369 states. [2020-11-29 22:11:07,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19369 to 19367. [2020-11-29 22:11:07,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19367 states. [2020-11-29 22:11:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19367 states to 19367 states and 21487 transitions. [2020-11-29 22:11:07,507 INFO L78 Accepts]: Start accepts. Automaton has 19367 states and 21487 transitions. Word has length 274 [2020-11-29 22:11:07,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:07,508 INFO L481 AbstractCegarLoop]: Abstraction has 19367 states and 21487 transitions. [2020-11-29 22:11:07,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand 19367 states and 21487 transitions. [2020-11-29 22:11:07,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-11-29 22:11:07,540 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:07,541 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:11:07,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-29 22:11:07,541 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:07,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:07,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1962099652, now seen corresponding path program 1 times [2020-11-29 22:11:07,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:07,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624591552] [2020-11-29 22:11:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:07,734 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 120 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-29 22:11:07,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624591552] [2020-11-29 22:11:07,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846371968] [2020-11-29 22:11:07,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:07,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:11:07,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-29 22:11:08,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:08,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 22:11:08,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447649551] [2020-11-29 22:11:08,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:08,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:08,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:08,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:08,143 INFO L87 Difference]: Start difference. First operand 19367 states and 21487 transitions. Second operand 3 states. [2020-11-29 22:11:09,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:09,428 INFO L93 Difference]: Finished difference Result 51140 states and 56724 transitions. [2020-11-29 22:11:09,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:09,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 281 [2020-11-29 22:11:09,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:09,478 INFO L225 Difference]: With dead ends: 51140 [2020-11-29 22:11:09,478 INFO L226 Difference]: Without dead ends: 31775 [2020-11-29 22:11:09,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:09,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31775 states. [2020-11-29 22:11:09,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31775 to 21399. [2020-11-29 22:11:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21399 states. [2020-11-29 22:11:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21399 states to 21399 states and 24025 transitions. [2020-11-29 22:11:09,933 INFO L78 Accepts]: Start accepts. Automaton has 21399 states and 24025 transitions. Word has length 281 [2020-11-29 22:11:09,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:09,933 INFO L481 AbstractCegarLoop]: Abstraction has 21399 states and 24025 transitions. [2020-11-29 22:11:09,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:09,933 INFO L276 IsEmpty]: Start isEmpty. Operand 21399 states and 24025 transitions. [2020-11-29 22:11:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-11-29 22:11:09,955 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:09,956 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:11:10,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-29 22:11:10,171 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:10,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:10,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1169207660, now seen corresponding path program 1 times [2020-11-29 22:11:10,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:10,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76123700] [2020-11-29 22:11:10,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:10,351 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-11-29 22:11:10,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76123700] [2020-11-29 22:11:10,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986126792] [2020-11-29 22:11:10,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:10,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 22:11:10,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-29 22:11:10,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:10,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:11:10,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455201296] [2020-11-29 22:11:10,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:10,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:10,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:10,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:10,630 INFO L87 Difference]: Start difference. First operand 21399 states and 24025 transitions. Second operand 3 states. [2020-11-29 22:11:12,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:12,003 INFO L93 Difference]: Finished difference Result 54185 states and 60669 transitions. [2020-11-29 22:11:12,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:12,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2020-11-29 22:11:12,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:12,047 INFO L225 Difference]: With dead ends: 54185 [2020-11-29 22:11:12,047 INFO L226 Difference]: Without dead ends: 32788 [2020-11-29 22:11:12,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:12,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32788 states. [2020-11-29 22:11:12,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32788 to 31967. [2020-11-29 22:11:12,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31967 states. [2020-11-29 22:11:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31967 states to 31967 states and 35429 transitions. [2020-11-29 22:11:12,483 INFO L78 Accepts]: Start accepts. Automaton has 31967 states and 35429 transitions. Word has length 286 [2020-11-29 22:11:12,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:12,484 INFO L481 AbstractCegarLoop]: Abstraction has 31967 states and 35429 transitions. [2020-11-29 22:11:12,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 31967 states and 35429 transitions. [2020-11-29 22:11:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-11-29 22:11:12,508 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:12,508 INFO L422 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:11:12,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:12,734 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:12,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:12,735 INFO L82 PathProgramCache]: Analyzing trace with hash -763742145, now seen corresponding path program 1 times [2020-11-29 22:11:12,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:12,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302764342] [2020-11-29 22:11:12,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-29 22:11:12,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302764342] [2020-11-29 22:11:12,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:11:12,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:11:12,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295214190] [2020-11-29 22:11:12,958 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 22:11:12,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:12,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 22:11:12,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:11:12,960 INFO L87 Difference]: Start difference. First operand 31967 states and 35429 transitions. Second operand 4 states. [2020-11-29 22:11:14,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:14,961 INFO L93 Difference]: Finished difference Result 65772 states and 72865 transitions. [2020-11-29 22:11:14,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 22:11:14,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 295 [2020-11-29 22:11:14,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:14,997 INFO L225 Difference]: With dead ends: 65772 [2020-11-29 22:11:14,997 INFO L226 Difference]: Without dead ends: 33807 [2020-11-29 22:11:15,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 22:11:15,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33807 states. [2020-11-29 22:11:15,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33807 to 33797. [2020-11-29 22:11:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33797 states. [2020-11-29 22:11:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33797 states to 33797 states and 37316 transitions. [2020-11-29 22:11:15,608 INFO L78 Accepts]: Start accepts. Automaton has 33797 states and 37316 transitions. Word has length 295 [2020-11-29 22:11:15,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:15,609 INFO L481 AbstractCegarLoop]: Abstraction has 33797 states and 37316 transitions. [2020-11-29 22:11:15,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 22:11:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 33797 states and 37316 transitions. [2020-11-29 22:11:15,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-11-29 22:11:15,632 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:15,632 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-29 22:11:15,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-29 22:11:15,633 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:15,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:15,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1657619653, now seen corresponding path program 1 times [2020-11-29 22:11:15,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:15,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131638760] [2020-11-29 22:11:15,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:11:16,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131638760] [2020-11-29 22:11:16,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547064124] [2020-11-29 22:11:16,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/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 [2020-11-29 22:11:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:16,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:11:16,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 22:11:16,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:16,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2020-11-29 22:11:16,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113111426] [2020-11-29 22:11:16,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:16,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:16,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:16,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:16,363 INFO L87 Difference]: Start difference. First operand 33797 states and 37316 transitions. Second operand 3 states. [2020-11-29 22:11:17,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:17,067 INFO L93 Difference]: Finished difference Result 99151 states and 109489 transitions. [2020-11-29 22:11:17,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:17,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2020-11-29 22:11:17,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:17,128 INFO L225 Difference]: With dead ends: 99151 [2020-11-29 22:11:17,128 INFO L226 Difference]: Without dead ends: 65356 [2020-11-29 22:11:17,145 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:17,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65356 states. [2020-11-29 22:11:18,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65356 to 65353. [2020-11-29 22:11:18,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65353 states. [2020-11-29 22:11:18,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65353 states to 65353 states and 72151 transitions. [2020-11-29 22:11:18,379 INFO L78 Accepts]: Start accepts. Automaton has 65353 states and 72151 transitions. Word has length 297 [2020-11-29 22:11:18,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:18,381 INFO L481 AbstractCegarLoop]: Abstraction has 65353 states and 72151 transitions. [2020-11-29 22:11:18,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:18,382 INFO L276 IsEmpty]: Start isEmpty. Operand 65353 states and 72151 transitions. [2020-11-29 22:11:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-11-29 22:11:18,402 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:18,402 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:18,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-11-29 22:11:18,621 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:18,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:18,622 INFO L82 PathProgramCache]: Analyzing trace with hash -599300828, now seen corresponding path program 1 times [2020-11-29 22:11:18,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:18,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993692798] [2020-11-29 22:11:18,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-11-29 22:11:18,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993692798] [2020-11-29 22:11:18,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:11:18,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:11:18,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087492997] [2020-11-29 22:11:18,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:18,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:18,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:18,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:18,900 INFO L87 Difference]: Start difference. First operand 65353 states and 72151 transitions. Second operand 3 states. [2020-11-29 22:11:20,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:20,510 INFO L93 Difference]: Finished difference Result 168367 states and 186662 transitions. [2020-11-29 22:11:20,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:20,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 303 [2020-11-29 22:11:20,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:20,639 INFO L225 Difference]: With dead ends: 168367 [2020-11-29 22:11:20,640 INFO L226 Difference]: Without dead ends: 103016 [2020-11-29 22:11:20,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 22:11:20,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103016 states. [2020-11-29 22:11:22,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103016 to 102992. [2020-11-29 22:11:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102992 states. [2020-11-29 22:11:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102992 states to 102992 states and 114018 transitions. [2020-11-29 22:11:22,144 INFO L78 Accepts]: Start accepts. Automaton has 102992 states and 114018 transitions. Word has length 303 [2020-11-29 22:11:22,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:22,144 INFO L481 AbstractCegarLoop]: Abstraction has 102992 states and 114018 transitions. [2020-11-29 22:11:22,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 102992 states and 114018 transitions. [2020-11-29 22:11:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-11-29 22:11:22,162 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:22,163 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-11-29 22:11:22,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-29 22:11:22,163 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:22,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:22,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1870553717, now seen corresponding path program 1 times [2020-11-29 22:11:22,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:22,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259429411] [2020-11-29 22:11:22,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 107 proven. 6 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2020-11-29 22:11:22,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259429411] [2020-11-29 22:11:22,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759887985] [2020-11-29 22:11:22,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/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 [2020-11-29 22:11:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:22,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 22:11:22,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:23,270 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-11-29 22:11:23,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:23,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:11:23,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369499773] [2020-11-29 22:11:23,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:23,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:23,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:23,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:23,272 INFO L87 Difference]: Start difference. First operand 102992 states and 114018 transitions. Second operand 3 states. [2020-11-29 22:11:24,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:24,545 INFO L93 Difference]: Finished difference Result 203558 states and 225400 transitions. [2020-11-29 22:11:24,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:24,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 307 [2020-11-29 22:11:24,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:24,648 INFO L225 Difference]: With dead ends: 203558 [2020-11-29 22:11:24,648 INFO L226 Difference]: Without dead ends: 100568 [2020-11-29 22:11:24,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:24,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100568 states. [2020-11-29 22:11:26,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100568 to 99338. [2020-11-29 22:11:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99338 states. [2020-11-29 22:11:26,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99338 states to 99338 states and 109660 transitions. [2020-11-29 22:11:26,137 INFO L78 Accepts]: Start accepts. Automaton has 99338 states and 109660 transitions. Word has length 307 [2020-11-29 22:11:26,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:26,138 INFO L481 AbstractCegarLoop]: Abstraction has 99338 states and 109660 transitions. [2020-11-29 22:11:26,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand 99338 states and 109660 transitions. [2020-11-29 22:11:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-11-29 22:11:26,162 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:11:26,163 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:11:26,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-11-29 22:11:26,364 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:11:26,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:11:26,364 INFO L82 PathProgramCache]: Analyzing trace with hash 194592960, now seen corresponding path program 1 times [2020-11-29 22:11:26,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:11:26,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308250514] [2020-11-29 22:11:26,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:11:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 110 proven. 6 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-11-29 22:11:26,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308250514] [2020-11-29 22:11:26,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837786619] [2020-11-29 22:11:26,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/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 [2020-11-29 22:11:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:11:26,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-29 22:11:26,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:11:27,252 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-29 22:11:27,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 22:11:27,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2020-11-29 22:11:27,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203467874] [2020-11-29 22:11:27,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 22:11:27,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:11:27,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 22:11:27,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:27,256 INFO L87 Difference]: Start difference. First operand 99338 states and 109660 transitions. Second operand 3 states. [2020-11-29 22:11:28,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:11:28,937 INFO L93 Difference]: Finished difference Result 213960 states and 236564 transitions. [2020-11-29 22:11:28,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 22:11:28,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 308 [2020-11-29 22:11:28,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:11:28,938 INFO L225 Difference]: With dead ends: 213960 [2020-11-29 22:11:28,938 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 22:11:28,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:11:28,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 22:11:28,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 22:11:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 22:11:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 22:11:28,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 308 [2020-11-29 22:11:28,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:11:28,968 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 22:11:28,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 22:11:28,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 22:11:28,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:11:29,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 22:11:29,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 22:11:32,066 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 671 DAG size of output: 281 [2020-11-29 22:11:34,099 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 671 DAG size of output: 281 [2020-11-29 22:11:36,889 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 266 DAG size of output: 62 [2020-11-29 22:11:39,319 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 266 DAG size of output: 62 [2020-11-29 22:11:39,323 INFO L274 CegarLoopResult]: For program point L1621(line 1621) no Hoare annotation was computed. [2020-11-29 22:11:39,323 INFO L274 CegarLoopResult]: For program point L1555(line 1555) no Hoare annotation was computed. [2020-11-29 22:11:39,323 INFO L274 CegarLoopResult]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,323 INFO L274 CegarLoopResult]: For program point L1489(line 1489) no Hoare annotation was computed. [2020-11-29 22:11:39,323 INFO L274 CegarLoopResult]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,323 INFO L274 CegarLoopResult]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L1624(line 1624) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L1558(line 1558) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L1492(line 1492) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 22:11:39,324 INFO L274 CegarLoopResult]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L1627(line 1627) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L1561(line 1561) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L1495(line 1495) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,325 INFO L274 CegarLoopResult]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,326 INFO L274 CegarLoopResult]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,326 INFO L274 CegarLoopResult]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,326 INFO L274 CegarLoopResult]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,326 INFO L274 CegarLoopResult]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,326 INFO L274 CegarLoopResult]: For program point L1630(line 1630) no Hoare annotation was computed. [2020-11-29 22:11:39,326 INFO L274 CegarLoopResult]: For program point L1564(line 1564) no Hoare annotation was computed. [2020-11-29 22:11:39,326 INFO L274 CegarLoopResult]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,326 INFO L274 CegarLoopResult]: For program point L1498(line 1498) no Hoare annotation was computed. [2020-11-29 22:11:39,326 INFO L274 CegarLoopResult]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,327 INFO L274 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-11-29 22:11:39,327 INFO L274 CegarLoopResult]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2020-11-29 22:11:39,327 INFO L274 CegarLoopResult]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L1633(line 1633) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L1567(line 1567) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L1501(line 1501) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,328 INFO L274 CegarLoopResult]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L1636(line 1636) no Hoare annotation was computed. [2020-11-29 22:11:39,329 INFO L274 CegarLoopResult]: For program point L1570(line 1570) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L1504(line 1504) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L1639(line 1639) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L1573(line 1573) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L1507(line 1507) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,330 INFO L274 CegarLoopResult]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L1642(line 1642) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L1576(line 1576) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L1510(line 1510) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L388(lines 388 405) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,331 INFO L274 CegarLoopResult]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L720(lines 720 741) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L1645(line 1645) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L1579(line 1579) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L1513(line 1513) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,332 INFO L274 CegarLoopResult]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L1648(line 1648) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L1582(line 1582) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L1516(line 1516) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,333 INFO L274 CegarLoopResult]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,334 INFO L274 CegarLoopResult]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,334 INFO L274 CegarLoopResult]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,334 INFO L274 CegarLoopResult]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,334 INFO L274 CegarLoopResult]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,334 INFO L274 CegarLoopResult]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,334 INFO L274 CegarLoopResult]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,334 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 22:11:39,334 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-11-29 22:11:39,337 INFO L274 CegarLoopResult]: For program point L1651(line 1651) no Hoare annotation was computed. [2020-11-29 22:11:39,337 INFO L274 CegarLoopResult]: For program point L1585(line 1585) no Hoare annotation was computed. [2020-11-29 22:11:39,337 INFO L274 CegarLoopResult]: For program point L1519(line 1519) no Hoare annotation was computed. [2020-11-29 22:11:39,337 INFO L274 CegarLoopResult]: For program point L66(lines 66 81) no Hoare annotation was computed. [2020-11-29 22:11:39,337 INFO L274 CegarLoopResult]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2020-11-29 22:11:39,337 INFO L274 CegarLoopResult]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,338 INFO L274 CegarLoopResult]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,338 INFO L274 CegarLoopResult]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,338 INFO L274 CegarLoopResult]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,338 INFO L274 CegarLoopResult]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,338 INFO L274 CegarLoopResult]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,338 INFO L274 CegarLoopResult]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,338 INFO L274 CegarLoopResult]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,339 INFO L274 CegarLoopResult]: For program point L1654(line 1654) no Hoare annotation was computed. [2020-11-29 22:11:39,339 INFO L274 CegarLoopResult]: For program point L1588(line 1588) no Hoare annotation was computed. [2020-11-29 22:11:39,339 INFO L274 CegarLoopResult]: For program point L1522(line 1522) no Hoare annotation was computed. [2020-11-29 22:11:39,339 INFO L274 CegarLoopResult]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,339 INFO L274 CegarLoopResult]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,339 INFO L274 CegarLoopResult]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,339 INFO L274 CegarLoopResult]: For program point L928(lines 928 945) no Hoare annotation was computed. [2020-11-29 22:11:39,339 INFO L274 CegarLoopResult]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2020-11-29 22:11:39,340 INFO L274 CegarLoopResult]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,340 INFO L274 CegarLoopResult]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,340 INFO L274 CegarLoopResult]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,340 INFO L274 CegarLoopResult]: For program point L202(lines 202 221) no Hoare annotation was computed. [2020-11-29 22:11:39,340 INFO L274 CegarLoopResult]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,340 INFO L274 CegarLoopResult]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2020-11-29 22:11:39,340 INFO L274 CegarLoopResult]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,340 INFO L274 CegarLoopResult]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2020-11-29 22:11:39,340 INFO L274 CegarLoopResult]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,341 INFO L274 CegarLoopResult]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,341 INFO L274 CegarLoopResult]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 22:11:39,341 INFO L274 CegarLoopResult]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2020-11-29 22:11:39,341 INFO L274 CegarLoopResult]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 22:11:39,341 INFO L274 CegarLoopResult]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2020-11-29 22:11:39,341 INFO L274 CegarLoopResult]: For program point L1657(line 1657) no Hoare annotation was computed. [2020-11-29 22:11:39,341 INFO L274 CegarLoopResult]: For program point L1591(line 1591) no Hoare annotation was computed. [2020-11-29 22:11:39,341 INFO L274 CegarLoopResult]: For program point L1525(line 1525) no Hoare annotation was computed. [2020-11-29 22:11:39,342 INFO L274 CegarLoopResult]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,342 INFO L274 CegarLoopResult]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,342 INFO L274 CegarLoopResult]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,343 INFO L270 CegarLoopResult]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse10 (<= ~a26~0 0)) (.cse3 (= ~a3~0 0)) (.cse11 (= ~a27~0 1)) (.cse9 (<= 2 ~a3~0)) (.cse0 (= ~a12~0 1)) (.cse4 (= ~a11~0 0)) (.cse7 (= ~a6~0 1)) (.cse1 (= ~a5~0 1)) (.cse2 (= ~a26~0 1)) (.cse6 (= ~a11~0 1)) (.cse5 (<= ~a6~0 0)) (.cse8 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse4 .cse7) (and .cse1 .cse11 .cse3 .cse6 .cse7) (and .cse1 .cse2 .cse4 .cse5 .cse8) (and (= ~a10~0 1) .cse1 .cse11 .cse9 .cse4 .cse5) (and .cse1 .cse9 .cse2 .cse4 .cse7) (and .cse11 .cse1 .cse3 .cse6 .cse5) (and .cse1 .cse2 .cse3 .cse6 .cse5) (and .cse1 .cse11 .cse9 .cse10 .cse4 .cse5) (and .cse10 .cse1 .cse4 .cse5 .cse8) (and .cse1 .cse11 .cse6 .cse5 .cse8) (and .cse1 .cse11 .cse9 .cse2 .cse6 .cse5) (and .cse1 .cse11 .cse4 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse6 .cse5) (and .cse1 .cse11 .cse3 .cse4 .cse5) (and .cse11 .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse2 .cse4 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse6 .cse5) (and .cse1 .cse9 .cse2 .cse6 .cse7) (and .cse9 .cse1 .cse11 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse9 .cse2 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse7 .cse6) (and .cse0 .cse1 .cse3 .cse4 (<= ~a7~0 0) .cse7) (and .cse9 .cse1 .cse11 .cse4 .cse7) (and (<= ~a10~0 0) .cse0 .cse1 .cse11 .cse9 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse7 .cse8) (and .cse1 .cse2 .cse6 .cse5 .cse8))) [2020-11-29 22:11:39,343 INFO L274 CegarLoopResult]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,343 INFO L274 CegarLoopResult]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,343 INFO L274 CegarLoopResult]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,343 INFO L274 CegarLoopResult]: For program point L1594(line 1594) no Hoare annotation was computed. [2020-11-29 22:11:39,344 INFO L274 CegarLoopResult]: For program point L1528(line 1528) no Hoare annotation was computed. [2020-11-29 22:11:39,344 INFO L274 CegarLoopResult]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,344 INFO L274 CegarLoopResult]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,344 INFO L274 CegarLoopResult]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,344 INFO L277 CegarLoopResult]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2020-11-29 22:11:39,344 INFO L274 CegarLoopResult]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,344 INFO L274 CegarLoopResult]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,344 INFO L274 CegarLoopResult]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,345 INFO L274 CegarLoopResult]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,345 INFO L274 CegarLoopResult]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,345 INFO L274 CegarLoopResult]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,345 INFO L274 CegarLoopResult]: For program point L1597(line 1597) no Hoare annotation was computed. [2020-11-29 22:11:39,345 INFO L274 CegarLoopResult]: For program point L1531(line 1531) no Hoare annotation was computed. [2020-11-29 22:11:39,345 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-29 22:11:39,345 INFO L274 CegarLoopResult]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,345 INFO L274 CegarLoopResult]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,346 INFO L274 CegarLoopResult]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,346 INFO L274 CegarLoopResult]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,346 INFO L274 CegarLoopResult]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,346 INFO L274 CegarLoopResult]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,346 INFO L274 CegarLoopResult]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,346 INFO L274 CegarLoopResult]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,346 INFO L274 CegarLoopResult]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,346 INFO L274 CegarLoopResult]: For program point L1600(line 1600) no Hoare annotation was computed. [2020-11-29 22:11:39,347 INFO L274 CegarLoopResult]: For program point L1534(line 1534) no Hoare annotation was computed. [2020-11-29 22:11:39,347 INFO L274 CegarLoopResult]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,347 INFO L274 CegarLoopResult]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,347 INFO L274 CegarLoopResult]: For program point L478(lines 478 488) no Hoare annotation was computed. [2020-11-29 22:11:39,347 INFO L274 CegarLoopResult]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2020-11-29 22:11:39,347 INFO L274 CegarLoopResult]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,348 INFO L270 CegarLoopResult]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse10 (<= ~a26~0 0)) (.cse3 (= ~a3~0 0)) (.cse11 (= ~a27~0 1)) (.cse9 (<= 2 ~a3~0)) (.cse0 (= ~a12~0 1)) (.cse4 (= ~a11~0 0)) (.cse7 (= ~a6~0 1)) (.cse1 (= ~a5~0 1)) (.cse2 (= ~a26~0 1)) (.cse6 (= ~a11~0 1)) (.cse5 (<= ~a6~0 0)) (.cse8 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse4 .cse7) (and .cse1 .cse11 .cse3 .cse6 .cse7) (and .cse1 .cse2 .cse4 .cse5 .cse8) (and (= ~a10~0 1) .cse1 .cse11 .cse9 .cse4 .cse5) (and .cse1 .cse9 .cse2 .cse4 .cse7) (and .cse11 .cse1 .cse3 .cse6 .cse5) (and .cse1 .cse2 .cse3 .cse6 .cse5) (and .cse1 .cse11 .cse9 .cse10 .cse4 .cse5) (and .cse10 .cse1 .cse4 .cse5 .cse8) (and .cse1 .cse11 .cse6 .cse5 .cse8) (and .cse1 .cse11 .cse9 .cse2 .cse6 .cse5) (and .cse1 .cse11 .cse4 .cse7 .cse8) (and .cse0 .cse1 .cse9 .cse2 .cse6 .cse5) (and .cse1 .cse11 .cse3 .cse4 .cse5) (and .cse11 .cse1 .cse3 .cse4 .cse7) (and .cse1 .cse2 .cse4 .cse7 .cse8) (and .cse1 .cse9 .cse10 .cse6 .cse5) (and .cse1 .cse9 .cse2 .cse6 .cse7) (and .cse9 .cse1 .cse11 .cse6 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse4 .cse7) (and .cse0 .cse1 .cse9 .cse2 .cse4 .cse5) (and .cse1 .cse2 .cse3 .cse7 .cse6) (and .cse0 .cse1 .cse3 .cse4 (<= ~a7~0 0) .cse7) (and .cse9 .cse1 .cse11 .cse4 .cse7) (and (<= ~a10~0 0) .cse0 .cse1 .cse11 .cse9 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse4 .cse7 .cse8) (and .cse1 .cse2 .cse6 .cse5 .cse8))) [2020-11-29 22:11:39,348 INFO L274 CegarLoopResult]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,348 INFO L274 CegarLoopResult]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,348 INFO L274 CegarLoopResult]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,348 INFO L274 CegarLoopResult]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,348 INFO L274 CegarLoopResult]: For program point L1603(line 1603) no Hoare annotation was computed. [2020-11-29 22:11:39,348 INFO L274 CegarLoopResult]: For program point L1537(line 1537) no Hoare annotation was computed. [2020-11-29 22:11:39,349 INFO L274 CegarLoopResult]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,349 INFO L274 CegarLoopResult]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,349 INFO L274 CegarLoopResult]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,349 INFO L274 CegarLoopResult]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,349 INFO L274 CegarLoopResult]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,349 INFO L274 CegarLoopResult]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,349 INFO L274 CegarLoopResult]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,349 INFO L274 CegarLoopResult]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,350 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 22:11:39,350 INFO L274 CegarLoopResult]: For program point L879(lines 879 897) no Hoare annotation was computed. [2020-11-29 22:11:39,350 INFO L274 CegarLoopResult]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2020-11-29 22:11:39,350 INFO L274 CegarLoopResult]: For program point L1606(line 1606) no Hoare annotation was computed. [2020-11-29 22:11:39,350 INFO L274 CegarLoopResult]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,350 INFO L274 CegarLoopResult]: For program point L1540(line 1540) no Hoare annotation was computed. [2020-11-29 22:11:39,350 INFO L274 CegarLoopResult]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,350 INFO L274 CegarLoopResult]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,351 INFO L274 CegarLoopResult]: For program point L1673(line 1673) no Hoare annotation was computed. [2020-11-29 22:11:39,351 INFO L274 CegarLoopResult]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,351 INFO L274 CegarLoopResult]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,351 INFO L274 CegarLoopResult]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,351 INFO L274 CegarLoopResult]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,351 INFO L274 CegarLoopResult]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,351 INFO L274 CegarLoopResult]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2020-11-29 22:11:39,352 INFO L274 CegarLoopResult]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,352 INFO L274 CegarLoopResult]: For program point L1609(line 1609) no Hoare annotation was computed. [2020-11-29 22:11:39,352 INFO L274 CegarLoopResult]: For program point L1543(line 1543) no Hoare annotation was computed. [2020-11-29 22:11:39,352 INFO L274 CegarLoopResult]: For program point L1477(line 1477) no Hoare annotation was computed. [2020-11-29 22:11:39,352 INFO L274 CegarLoopResult]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,352 INFO L274 CegarLoopResult]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,352 INFO L274 CegarLoopResult]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,352 INFO L274 CegarLoopResult]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,353 INFO L274 CegarLoopResult]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,353 INFO L274 CegarLoopResult]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,353 INFO L274 CegarLoopResult]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,353 INFO L274 CegarLoopResult]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,353 INFO L274 CegarLoopResult]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 22:11:39,353 INFO L274 CegarLoopResult]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2020-11-29 22:11:39,353 INFO L274 CegarLoopResult]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,353 INFO L274 CegarLoopResult]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,354 INFO L274 CegarLoopResult]: For program point L1612(line 1612) no Hoare annotation was computed. [2020-11-29 22:11:39,354 INFO L274 CegarLoopResult]: For program point L1546(line 1546) no Hoare annotation was computed. [2020-11-29 22:11:39,354 INFO L274 CegarLoopResult]: For program point L1480(line 1480) no Hoare annotation was computed. [2020-11-29 22:11:39,354 INFO L274 CegarLoopResult]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,354 INFO L274 CegarLoopResult]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,354 INFO L274 CegarLoopResult]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,354 INFO L274 CegarLoopResult]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,354 INFO L274 CegarLoopResult]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,355 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 22:11:39,355 INFO L274 CegarLoopResult]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,355 INFO L274 CegarLoopResult]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,355 INFO L274 CegarLoopResult]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,355 INFO L274 CegarLoopResult]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,355 INFO L274 CegarLoopResult]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,355 INFO L274 CegarLoopResult]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,355 INFO L274 CegarLoopResult]: For program point L1615(line 1615) no Hoare annotation was computed. [2020-11-29 22:11:39,356 INFO L274 CegarLoopResult]: For program point L1549(line 1549) no Hoare annotation was computed. [2020-11-29 22:11:39,356 INFO L274 CegarLoopResult]: For program point L1483(line 1483) no Hoare annotation was computed. [2020-11-29 22:11:39,356 INFO L274 CegarLoopResult]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,356 INFO L274 CegarLoopResult]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,356 INFO L274 CegarLoopResult]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,356 INFO L274 CegarLoopResult]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,356 INFO L274 CegarLoopResult]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,356 INFO L274 CegarLoopResult]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,357 INFO L274 CegarLoopResult]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,357 INFO L274 CegarLoopResult]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 22:11:39,357 INFO L274 CegarLoopResult]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2020-11-29 22:11:39,357 INFO L274 CegarLoopResult]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,357 INFO L274 CegarLoopResult]: For program point L1618(line 1618) no Hoare annotation was computed. [2020-11-29 22:11:39,357 INFO L274 CegarLoopResult]: For program point L1552(line 1552) no Hoare annotation was computed. [2020-11-29 22:11:39,357 INFO L274 CegarLoopResult]: For program point L1486(line 1486) no Hoare annotation was computed. [2020-11-29 22:11:39,357 INFO L274 CegarLoopResult]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,358 INFO L274 CegarLoopResult]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,358 INFO L274 CegarLoopResult]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,358 INFO L274 CegarLoopResult]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,358 INFO L274 CegarLoopResult]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2020-11-29 22:11:39,358 INFO L274 CegarLoopResult]: For program point L695(lines 695 709) no Hoare annotation was computed. [2020-11-29 22:11:39,358 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2020-11-29 22:11:39,358 INFO L274 CegarLoopResult]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,358 INFO L274 CegarLoopResult]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,359 INFO L274 CegarLoopResult]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2020-11-29 22:11:39,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:11:39 BoogieIcfgContainer [2020-11-29 22:11:39,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:11:39,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:11:39,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:11:39,391 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:11:39,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:10:47" (3/4) ... [2020-11-29 22:11:39,395 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:11:39,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 22:11:39,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 22:11:39,454 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:11:39,458 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:11:39,693 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e5824ba5-36f3-4355-b793-ca1a9e5703b5/bin/uautomizer/witness.graphml [2020-11-29 22:11:39,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:11:39,694 INFO L168 Benchmark]: Toolchain (without parser) took 56157.92 ms. Allocated memory was 98.6 MB in the beginning and 11.8 GB in the end (delta: 11.7 GB). Free memory was 62.4 MB in the beginning and 10.3 GB in the end (delta: -10.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2020-11-29 22:11:39,695 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:11:39,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1266.55 ms. Allocated memory is still 98.6 MB. Free memory was 62.4 MB in the beginning and 59.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:39,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.62 ms. Allocated memory is still 98.6 MB. Free memory was 59.4 MB in the beginning and 44.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:39,696 INFO L168 Benchmark]: Boogie Preprocessor took 190.08 ms. Allocated memory is still 98.6 MB. Free memory was 44.8 MB in the beginning and 56.6 MB in the end (delta: -11.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:39,696 INFO L168 Benchmark]: RCFGBuilder took 2340.72 ms. Allocated memory was 98.6 MB in the beginning and 211.8 MB in the end (delta: 113.2 MB). Free memory was 56.6 MB in the beginning and 131.8 MB in the end (delta: -75.2 MB). Peak memory consumption was 58.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:39,697 INFO L168 Benchmark]: TraceAbstraction took 51912.89 ms. Allocated memory was 211.8 MB in the beginning and 11.8 GB in the end (delta: 11.6 GB). Free memory was 131.8 MB in the beginning and 10.3 GB in the end (delta: -10.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2020-11-29 22:11:39,697 INFO L168 Benchmark]: Witness Printer took 302.63 ms. Allocated memory is still 11.8 GB. Free memory was 10.3 GB in the beginning and 10.3 GB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:11:39,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 79.7 MB. Free memory was 51.8 MB in the beginning and 51.8 MB in the end (delta: 27.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1266.55 ms. Allocated memory is still 98.6 MB. Free memory was 62.4 MB in the beginning and 59.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 135.62 ms. Allocated memory is still 98.6 MB. Free memory was 59.4 MB in the beginning and 44.8 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 190.08 ms. Allocated memory is still 98.6 MB. Free memory was 44.8 MB in the beginning and 56.6 MB in the end (delta: -11.7 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2340.72 ms. Allocated memory was 98.6 MB in the beginning and 211.8 MB in the end (delta: 113.2 MB). Free memory was 56.6 MB in the beginning and 131.8 MB in the end (delta: -75.2 MB). Peak memory consumption was 58.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 51912.89 ms. Allocated memory was 211.8 MB in the beginning and 11.8 GB in the end (delta: 11.6 GB). Free memory was 131.8 MB in the beginning and 10.3 GB in the end (delta: -10.2 GB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. * Witness Printer took 302.63 ms. Allocated memory is still 11.8 GB. Free memory was 10.3 GB in the beginning and 10.3 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: ((((((((((((((((((((((((((((((((((a12 == 1 && a5 == 1) && a26 == 1) && a3 == 0) && a11 == 0) && a6 <= 0) || ((((a5 == 1 && a26 == 1) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || (((((a10 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 == 1) && a11 == 0) && a6 == 1)) || ((((a27 == 1 && a5 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a26 <= 0) && a11 == 0) && a6 <= 0)) || ((((a26 <= 0 && a5 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || ((((a5 == 1 && a27 == 1) && a11 == 1) && a6 <= 0) && a3 == 1)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a26 == 1) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a26 == 1) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((a27 == 1 && a5 == 1) && a3 == 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 == 1) && a11 == 1) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && a26 <= 0) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a11 == 0) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a26 == 1) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a6 == 1) && a11 == 1)) || (((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 0) && a7 <= 0) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 0) && a6 == 1)) || ((((((a10 <= 0 && a12 == 1) && a5 == 1) && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 1) && a6 <= 0) && a3 == 1) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((a12 == 1 && a5 == 1) && a26 == 1) && a3 == 0) && a11 == 0) && a6 <= 0) || ((((a5 == 1 && a26 == 1) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || (((((a10 == 1 && a5 == 1) && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 == 1) && a11 == 0) && a6 == 1)) || ((((a27 == 1 && a5 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a11 == 1) && a6 <= 0)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a26 <= 0) && a11 == 0) && a6 <= 0)) || ((((a26 <= 0 && a5 == 1) && a11 == 0) && a6 <= 0) && a3 == 1)) || ((((a5 == 1 && a27 == 1) && a11 == 1) && a6 <= 0) && a3 == 1)) || (((((a5 == 1 && a27 == 1) && 2 <= a3) && a26 == 1) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a26 == 1) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && a27 == 1) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((a27 == 1 && a5 == 1) && a3 == 0) && a11 == 0) && a6 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 1) && a6 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 == 1) && a11 == 1) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 1) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && a26 <= 0) && a3 == 0) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a11 == 0) && a6 == 1)) || (((((a12 == 1 && a5 == 1) && 2 <= a3) && a26 == 1) && a11 == 0) && a6 <= 0)) || ((((a5 == 1 && a26 == 1) && a3 == 0) && a6 == 1) && a11 == 1)) || (((((a12 == 1 && a5 == 1) && a3 == 0) && a11 == 0) && a7 <= 0) && a6 == 1)) || ((((2 <= a3 && a5 == 1) && a27 == 1) && a11 == 0) && a6 == 1)) || ((((((a10 <= 0 && a12 == 1) && a5 == 1) && a27 == 1) && 2 <= a3) && a11 == 0) && a6 <= 0)) || ((((a12 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a3 == 1)) || ((((a12 == 1 && a5 == 1) && a11 == 0) && a6 == 1) && a3 == 1)) || ((((a5 == 1 && a26 == 1) && a11 == 1) && a6 <= 0) && a3 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 303 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.6s, OverallIterations: 19, TraceHistogramMax: 6, AutomataDifference: 24.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4081 SDtfs, 3912 SDslu, 831 SDs, 0 SdLazy, 10733 SolverSat, 1896 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2024 GetRequests, 1990 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102992occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 15763 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 943 NumberOfFragments, 1055 HoareAnnotationTreeSize, 3 FomulaSimplifications, 52508 FormulaSimplificationTreeSizeReduction, 4.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 14112 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 6615 NumberOfCodeBlocks, 6615 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 6589 ConstructedInterpolants, 0 QuantifiedInterpolants, 3103907 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3939 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 26 InterpolantComputations, 19 PerfectInterpolantSequences, 3329/3377 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...