./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa --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 0de0fd0b8cb0cee609d45117c8166ea2b32bbf1ee23893cc14af47ce8649a66b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:51:47,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:51:47,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:51:47,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:51:47,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:51:47,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:51:47,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:51:47,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:51:47,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:51:47,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:51:47,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:51:47,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:51:47,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:51:47,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:51:47,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:51:47,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:51:47,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:51:47,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:51:47,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:51:47,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:51:47,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:51:47,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:51:47,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:51:47,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:51:47,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:51:47,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:51:47,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:51:47,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:51:47,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:51:47,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:51:47,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:51:47,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:51:47,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:51:47,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:51:47,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:51:47,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:51:47,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:51:47,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:51:47,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:51:47,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:51:47,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:51:47,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:51:48,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:51:48,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:51:48,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:51:48,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:51:48,013 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:51:48,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:51:48,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:51:48,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:51:48,015 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:51:48,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:51:48,015 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:51:48,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:51:48,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:51:48,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:51:48,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:51:48,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:51:48,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:51:48,016 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:51:48,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:51:48,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:51:48,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:51:48,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:51:48,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:51:48,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:51:48,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:51:48,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:51:48,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:51:48,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:51:48,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:51:48,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:51:48,019 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:51:48,019 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:51:48,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:51:48,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:51:48,019 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_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0de0fd0b8cb0cee609d45117c8166ea2b32bbf1ee23893cc14af47ce8649a66b [2021-12-06 23:51:48,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:51:48,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:51:48,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:51:48,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:51:48,237 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:51:48,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem03_label57.c [2021-12-06 23:51:48,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/data/dd5c9e012/ca132e6112b74999b26603be6cb67a57/FLAG0843ba9ba [2021-12-06 23:51:48,751 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:51:48,751 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/sv-benchmarks/c/eca-rers2012/Problem03_label57.c [2021-12-06 23:51:48,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/data/dd5c9e012/ca132e6112b74999b26603be6cb67a57/FLAG0843ba9ba [2021-12-06 23:51:48,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/data/dd5c9e012/ca132e6112b74999b26603be6cb67a57 [2021-12-06 23:51:48,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:51:48,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:51:48,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:51:48,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:51:48,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:51:48,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:51:48" (1/1) ... [2021-12-06 23:51:48,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f03d0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:48, skipping insertion in model container [2021-12-06 23:51:48,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:51:48" (1/1) ... [2021-12-06 23:51:48,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:51:48,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:51:49,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/sv-benchmarks/c/eca-rers2012/Problem03_label57.c[55951,55964] [2021-12-06 23:51:49,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:51:49,226 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:51:49,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/sv-benchmarks/c/eca-rers2012/Problem03_label57.c[55951,55964] [2021-12-06 23:51:49,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:51:49,403 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:51:49,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49 WrapperNode [2021-12-06 23:51:49,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:51:49,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:51:49,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:51:49,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:51:49,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (1/1) ... [2021-12-06 23:51:49,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (1/1) ... [2021-12-06 23:51:49,510 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2021-12-06 23:51:49,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:51:49,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:51:49,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:51:49,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:51:49,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (1/1) ... [2021-12-06 23:51:49,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (1/1) ... [2021-12-06 23:51:49,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (1/1) ... [2021-12-06 23:51:49,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (1/1) ... [2021-12-06 23:51:49,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (1/1) ... [2021-12-06 23:51:49,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (1/1) ... [2021-12-06 23:51:49,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (1/1) ... [2021-12-06 23:51:49,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:51:49,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:51:49,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:51:49,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:51:49,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (1/1) ... [2021-12-06 23:51:49,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:51:49,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:51:49,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:51:49,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:51:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:51:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:51:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:51:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:51:49,718 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:51:49,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:51:50,789 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:51:50,797 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:51:50,797 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:51:50,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:51:50 BoogieIcfgContainer [2021-12-06 23:51:50,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:51:50,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:51:50,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:51:50,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:51:50,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:51:48" (1/3) ... [2021-12-06 23:51:50,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6384f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:51:50, skipping insertion in model container [2021-12-06 23:51:50,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:51:49" (2/3) ... [2021-12-06 23:51:50,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6384f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:51:50, skipping insertion in model container [2021-12-06 23:51:50,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:51:50" (3/3) ... [2021-12-06 23:51:50,805 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label57.c [2021-12-06 23:51:50,809 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:51:50,810 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:51:50,847 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:51:50,852 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:51:50,852 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:51:50,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:50,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-06 23:51:50,881 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:51:50,882 INFO L514 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] [2021-12-06 23:51:50,882 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:51:50,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:51:50,886 INFO L85 PathProgramCache]: Analyzing trace with hash -10226053, now seen corresponding path program 1 times [2021-12-06 23:51:50,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:51:50,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444013038] [2021-12-06 23:51:50,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:50,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:51:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:51:51,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:51:51,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444013038] [2021-12-06 23:51:51,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444013038] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:51:51,304 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:51:51,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:51:51,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714765976] [2021-12-06 23:51:51,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:51:51,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:51:51,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:51:51,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:51:51,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:51:51,336 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:52,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:51:52,075 INFO L93 Difference]: Finished difference Result 835 states and 1478 transitions. [2021-12-06 23:51:52,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:51:52,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2021-12-06 23:51:52,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:51:52,088 INFO L225 Difference]: With dead ends: 835 [2021-12-06 23:51:52,089 INFO L226 Difference]: Without dead ends: 456 [2021-12-06 23:51:52,092 INFO L932 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 [2021-12-06 23:51:52,094 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 127 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 23:51:52,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 161 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 23:51:52,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-12-06 23:51:52,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 451. [2021-12-06 23:51:52,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 450 states have (on average 1.5622222222222222) internal successors, (703), 450 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:52,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 703 transitions. [2021-12-06 23:51:52,143 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 703 transitions. Word has length 161 [2021-12-06 23:51:52,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:51:52,144 INFO L470 AbstractCegarLoop]: Abstraction has 451 states and 703 transitions. [2021-12-06 23:51:52,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 703 transitions. [2021-12-06 23:51:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-06 23:51:52,147 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:51:52,148 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:51:52,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:51:52,148 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:51:52,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:51:52,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1912871251, now seen corresponding path program 1 times [2021-12-06 23:51:52,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:51:52,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754112487] [2021-12-06 23:51:52,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:52,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:51:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:52,229 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:51:52,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:51:52,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754112487] [2021-12-06 23:51:52,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754112487] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:51:52,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:51:52,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:51:52,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382194276] [2021-12-06 23:51:52,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:51:52,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:51:52,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:51:52,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:51:52,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:51:52,234 INFO L87 Difference]: Start difference. First operand 451 states and 703 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:52,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:51:52,733 INFO L93 Difference]: Finished difference Result 1340 states and 2094 transitions. [2021-12-06 23:51:52,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:51:52,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2021-12-06 23:51:52,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:51:52,739 INFO L225 Difference]: With dead ends: 1340 [2021-12-06 23:51:52,740 INFO L226 Difference]: Without dead ends: 891 [2021-12-06 23:51:52,741 INFO L932 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 [2021-12-06 23:51:52,742 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 285 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:51:52,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 154 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:51:52,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2021-12-06 23:51:52,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 887. [2021-12-06 23:51:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 886 states have (on average 1.5474040632054176) internal successors, (1371), 886 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1371 transitions. [2021-12-06 23:51:52,783 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1371 transitions. Word has length 167 [2021-12-06 23:51:52,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:51:52,783 INFO L470 AbstractCegarLoop]: Abstraction has 887 states and 1371 transitions. [2021-12-06 23:51:52,783 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:52,784 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1371 transitions. [2021-12-06 23:51:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-06 23:51:52,788 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:51:52,788 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-06 23:51:52,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:51:52,789 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:51:52,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:51:52,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1078481951, now seen corresponding path program 1 times [2021-12-06 23:51:52,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:51:52,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657127624] [2021-12-06 23:51:52,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:52,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:51:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:51:52,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:51:52,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657127624] [2021-12-06 23:51:52,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657127624] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:51:52,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:51:52,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:51:52,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233240551] [2021-12-06 23:51:52,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:51:52,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:51:52,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:51:52,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:51:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:51:52,897 INFO L87 Difference]: Start difference. First operand 887 states and 1371 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:53,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:51:53,504 INFO L93 Difference]: Finished difference Result 2612 states and 4042 transitions. [2021-12-06 23:51:53,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:51:53,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2021-12-06 23:51:53,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:51:53,514 INFO L225 Difference]: With dead ends: 2612 [2021-12-06 23:51:53,515 INFO L226 Difference]: Without dead ends: 1727 [2021-12-06 23:51:53,516 INFO L932 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 [2021-12-06 23:51:53,518 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 234 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 23:51:53,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 114 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 23:51:53,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2021-12-06 23:51:53,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1725. [2021-12-06 23:51:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1724 states have (on average 1.4715777262180973) internal successors, (2537), 1724 states have internal predecessors, (2537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2537 transitions. [2021-12-06 23:51:53,566 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2537 transitions. Word has length 171 [2021-12-06 23:51:53,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:51:53,566 INFO L470 AbstractCegarLoop]: Abstraction has 1725 states and 2537 transitions. [2021-12-06 23:51:53,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2537 transitions. [2021-12-06 23:51:53,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-06 23:51:53,571 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:51:53,571 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:51:53,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:51:53,572 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:51:53,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:51:53,573 INFO L85 PathProgramCache]: Analyzing trace with hash -585255518, now seen corresponding path program 1 times [2021-12-06 23:51:53,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:51:53,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648134671] [2021-12-06 23:51:53,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:53,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:51:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:53,638 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:51:53,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:51:53,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648134671] [2021-12-06 23:51:53,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648134671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:51:53,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:51:53,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:51:53,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476769009] [2021-12-06 23:51:53,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:51:53,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:51:53,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:51:53,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:51:53,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:51:53,640 INFO L87 Difference]: Start difference. First operand 1725 states and 2537 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:54,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:51:54,242 INFO L93 Difference]: Finished difference Result 5091 states and 7490 transitions. [2021-12-06 23:51:54,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:51:54,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 174 [2021-12-06 23:51:54,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:51:54,256 INFO L225 Difference]: With dead ends: 5091 [2021-12-06 23:51:54,256 INFO L226 Difference]: Without dead ends: 3368 [2021-12-06 23:51:54,259 INFO L932 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 [2021-12-06 23:51:54,260 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 252 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:51:54,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 155 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:51:54,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2021-12-06 23:51:54,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3366. [2021-12-06 23:51:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3366 states, 3365 states have (on average 1.4056463595839523) internal successors, (4730), 3365 states have internal predecessors, (4730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:54,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3366 states to 3366 states and 4730 transitions. [2021-12-06 23:51:54,326 INFO L78 Accepts]: Start accepts. Automaton has 3366 states and 4730 transitions. Word has length 174 [2021-12-06 23:51:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:51:54,326 INFO L470 AbstractCegarLoop]: Abstraction has 3366 states and 4730 transitions. [2021-12-06 23:51:54,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 4730 transitions. [2021-12-06 23:51:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-12-06 23:51:54,331 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:51:54,331 INFO L514 BasicCegarLoop]: trace histogram [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, 1] [2021-12-06 23:51:54,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:51:54,332 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:51:54,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:51:54,332 INFO L85 PathProgramCache]: Analyzing trace with hash 288702254, now seen corresponding path program 1 times [2021-12-06 23:51:54,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:51:54,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306216348] [2021-12-06 23:51:54,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:54,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:51:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:54,396 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:51:54,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:51:54,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306216348] [2021-12-06 23:51:54,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306216348] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:51:54,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:51:54,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:51:54,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625569381] [2021-12-06 23:51:54,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:51:54,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:51:54,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:51:54,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:51:54,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:51:54,399 INFO L87 Difference]: Start difference. First operand 3366 states and 4730 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:54,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:51:54,948 INFO L93 Difference]: Finished difference Result 8986 states and 12606 transitions. [2021-12-06 23:51:54,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:51:54,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 180 [2021-12-06 23:51:54,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:51:54,974 INFO L225 Difference]: With dead ends: 8986 [2021-12-06 23:51:54,974 INFO L226 Difference]: Without dead ends: 5622 [2021-12-06 23:51:54,978 INFO L932 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 [2021-12-06 23:51:54,980 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 208 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:51:54,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 155 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:51:54,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5622 states. [2021-12-06 23:51:55,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5622 to 5599. [2021-12-06 23:51:55,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5599 states, 5598 states have (on average 1.354769560557342) internal successors, (7584), 5598 states have internal predecessors, (7584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:55,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5599 states to 5599 states and 7584 transitions. [2021-12-06 23:51:55,075 INFO L78 Accepts]: Start accepts. Automaton has 5599 states and 7584 transitions. Word has length 180 [2021-12-06 23:51:55,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:51:55,075 INFO L470 AbstractCegarLoop]: Abstraction has 5599 states and 7584 transitions. [2021-12-06 23:51:55,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:55,076 INFO L276 IsEmpty]: Start isEmpty. Operand 5599 states and 7584 transitions. [2021-12-06 23:51:55,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-06 23:51:55,082 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:51:55,083 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:51:55,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:51:55,083 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:51:55,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:51:55,083 INFO L85 PathProgramCache]: Analyzing trace with hash -26883798, now seen corresponding path program 1 times [2021-12-06 23:51:55,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:51:55,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941033370] [2021-12-06 23:51:55,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:55,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:51:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:55,156 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:51:55,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:51:55,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941033370] [2021-12-06 23:51:55,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941033370] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:51:55,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485299339] [2021-12-06 23:51:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:55,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:51:55,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:51:55,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:51:55,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 23:51:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:55,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:51:55,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:51:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 23:51:55,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:51:55,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485299339] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:51:55,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:51:55,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-12-06 23:51:55,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553215495] [2021-12-06 23:51:55,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:51:55,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:51:55,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:51:55,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:51:55,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:51:55,442 INFO L87 Difference]: Start difference. First operand 5599 states and 7584 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 2 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:55,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:51:55,981 INFO L93 Difference]: Finished difference Result 16090 states and 21907 transitions. [2021-12-06 23:51:55,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:51:55,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 2 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-12-06 23:51:55,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:51:56,019 INFO L225 Difference]: With dead ends: 16090 [2021-12-06 23:51:56,020 INFO L226 Difference]: Without dead ends: 10696 [2021-12-06 23:51:56,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:51:56,025 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 241 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:51:56,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 167 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:51:56,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10696 states. [2021-12-06 23:51:56,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10696 to 10690. [2021-12-06 23:51:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10690 states, 10689 states have (on average 1.3091028159790439) internal successors, (13993), 10689 states have internal predecessors, (13993), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:56,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10690 states to 10690 states and 13993 transitions. [2021-12-06 23:51:56,196 INFO L78 Accepts]: Start accepts. Automaton has 10690 states and 13993 transitions. Word has length 181 [2021-12-06 23:51:56,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:51:56,196 INFO L470 AbstractCegarLoop]: Abstraction has 10690 states and 13993 transitions. [2021-12-06 23:51:56,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 2 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 10690 states and 13993 transitions. [2021-12-06 23:51:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-06 23:51:56,209 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:51:56,209 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:51:56,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:51:56,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:51:56,411 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:51:56,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:51:56,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1527292661, now seen corresponding path program 1 times [2021-12-06 23:51:56,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:51:56,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474222977] [2021-12-06 23:51:56,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:56,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:51:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:51:56,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:51:56,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474222977] [2021-12-06 23:51:56,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474222977] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:51:56,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137311938] [2021-12-06 23:51:56,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:56,520 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:51:56,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:51:56,522 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:51:56,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 23:51:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:56,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:51:56,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:51:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 23:51:56,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:51:56,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137311938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:51:56,793 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:51:56,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-06 23:51:56,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236712049] [2021-12-06 23:51:56,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:51:56,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:51:56,794 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:51:56,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:51:56,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:51:56,795 INFO L87 Difference]: Start difference. First operand 10690 states and 13993 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:57,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:51:57,332 INFO L93 Difference]: Finished difference Result 29502 states and 38797 transitions. [2021-12-06 23:51:57,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:51:57,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 185 [2021-12-06 23:51:57,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:51:57,370 INFO L225 Difference]: With dead ends: 29502 [2021-12-06 23:51:57,371 INFO L226 Difference]: Without dead ends: 19017 [2021-12-06 23:51:57,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:51:57,378 INFO L933 BasicCegarLoop]: 385 mSDtfsCounter, 229 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:51:57,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 414 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:51:57,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19017 states. [2021-12-06 23:51:57,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19017 to 19013. [2021-12-06 23:51:57,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19013 states, 19012 states have (on average 1.1962970755312434) internal successors, (22744), 19012 states have internal predecessors, (22744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:57,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19013 states to 19013 states and 22744 transitions. [2021-12-06 23:51:57,600 INFO L78 Accepts]: Start accepts. Automaton has 19013 states and 22744 transitions. Word has length 185 [2021-12-06 23:51:57,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:51:57,600 INFO L470 AbstractCegarLoop]: Abstraction has 19013 states and 22744 transitions. [2021-12-06 23:51:57,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 19013 states and 22744 transitions. [2021-12-06 23:51:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-06 23:51:57,630 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:51:57,630 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1] [2021-12-06 23:51:57,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 23:51:57,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-06 23:51:57,832 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:51:57,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:51:57,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1053546919, now seen corresponding path program 1 times [2021-12-06 23:51:57,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:51:57,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622474149] [2021-12-06 23:51:57,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:57,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:51:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:51:57,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:51:57,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622474149] [2021-12-06 23:51:57,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622474149] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:51:57,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123101514] [2021-12-06 23:51:57,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:57,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:51:57,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:51:57,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:51:57,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 23:51:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:58,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:51:58,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:51:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 23:51:58,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:51:58,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123101514] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:51:58,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:51:58,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-12-06 23:51:58,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293433780] [2021-12-06 23:51:58,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:51:58,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:51:58,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:51:58,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:51:58,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:51:58,216 INFO L87 Difference]: Start difference. First operand 19013 states and 22744 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:58,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:51:58,808 INFO L93 Difference]: Finished difference Result 43712 states and 53282 transitions. [2021-12-06 23:51:58,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:51:58,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2021-12-06 23:51:58,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:51:58,841 INFO L225 Difference]: With dead ends: 43712 [2021-12-06 23:51:58,841 INFO L226 Difference]: Without dead ends: 24904 [2021-12-06 23:51:58,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:51:58,855 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 222 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:51:58,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 171 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:51:58,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24904 states. [2021-12-06 23:51:59,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24904 to 24900. [2021-12-06 23:51:59,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24900 states, 24899 states have (on average 1.1796859311618941) internal successors, (29373), 24899 states have internal predecessors, (29373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:59,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24900 states to 24900 states and 29373 transitions. [2021-12-06 23:51:59,218 INFO L78 Accepts]: Start accepts. Automaton has 24900 states and 29373 transitions. Word has length 187 [2021-12-06 23:51:59,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:51:59,218 INFO L470 AbstractCegarLoop]: Abstraction has 24900 states and 29373 transitions. [2021-12-06 23:51:59,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 2 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:51:59,219 INFO L276 IsEmpty]: Start isEmpty. Operand 24900 states and 29373 transitions. [2021-12-06 23:51:59,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-12-06 23:51:59,275 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:51:59,276 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:51:59,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 23:51:59,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-06 23:51:59,478 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:51:59,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:51:59,479 INFO L85 PathProgramCache]: Analyzing trace with hash 383666067, now seen corresponding path program 1 times [2021-12-06 23:51:59,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:51:59,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5210292] [2021-12-06 23:51:59,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:59,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:51:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:59,588 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-06 23:51:59,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:51:59,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5210292] [2021-12-06 23:51:59,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5210292] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:51:59,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615167370] [2021-12-06 23:51:59,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:51:59,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:51:59,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:51:59,589 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:51:59,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 23:51:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:51:59,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:51:59,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:51:59,971 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-06 23:51:59,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:51:59,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615167370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:51:59,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:51:59,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 23:51:59,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161638121] [2021-12-06 23:51:59,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:51:59,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:51:59,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:51:59,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:51:59,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:51:59,973 INFO L87 Difference]: Start difference. First operand 24900 states and 29373 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:00,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:00,532 INFO L93 Difference]: Finished difference Result 49599 states and 58532 transitions. [2021-12-06 23:52:00,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:00,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 219 [2021-12-06 23:52:00,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:00,571 INFO L225 Difference]: With dead ends: 49599 [2021-12-06 23:52:00,571 INFO L226 Difference]: Without dead ends: 24904 [2021-12-06 23:52:00,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:52:00,588 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 110 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:00,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 342 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:52:00,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24904 states. [2021-12-06 23:52:00,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24904 to 24900. [2021-12-06 23:52:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24900 states, 24899 states have (on average 1.1602473994939555) internal successors, (28889), 24899 states have internal predecessors, (28889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24900 states to 24900 states and 28889 transitions. [2021-12-06 23:52:00,855 INFO L78 Accepts]: Start accepts. Automaton has 24900 states and 28889 transitions. Word has length 219 [2021-12-06 23:52:00,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:00,856 INFO L470 AbstractCegarLoop]: Abstraction has 24900 states and 28889 transitions. [2021-12-06 23:52:00,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:00,856 INFO L276 IsEmpty]: Start isEmpty. Operand 24900 states and 28889 transitions. [2021-12-06 23:52:00,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-12-06 23:52:00,874 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:00,874 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:00,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 23:52:01,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:01,075 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:01,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:01,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1507060477, now seen corresponding path program 1 times [2021-12-06 23:52:01,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:01,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639940007] [2021-12-06 23:52:01,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:01,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 23:52:01,175 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:01,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639940007] [2021-12-06 23:52:01,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639940007] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:01,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:01,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:01,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677007385] [2021-12-06 23:52:01,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:01,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:01,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:01,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:01,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:01,177 INFO L87 Difference]: Start difference. First operand 24900 states and 28889 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:01,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:01,531 INFO L93 Difference]: Finished difference Result 49138 states and 56988 transitions. [2021-12-06 23:52:01,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:01,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 222 [2021-12-06 23:52:01,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:01,551 INFO L225 Difference]: With dead ends: 49138 [2021-12-06 23:52:01,551 INFO L226 Difference]: Without dead ends: 24443 [2021-12-06 23:52:01,560 INFO L932 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 [2021-12-06 23:52:01,561 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 329 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:01,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:52:01,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24443 states. [2021-12-06 23:52:01,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24443 to 24443. [2021-12-06 23:52:01,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24443 states, 24442 states have (on average 1.151174208329924) internal successors, (28137), 24442 states have internal predecessors, (28137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:01,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24443 states to 24443 states and 28137 transitions. [2021-12-06 23:52:01,826 INFO L78 Accepts]: Start accepts. Automaton has 24443 states and 28137 transitions. Word has length 222 [2021-12-06 23:52:01,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:01,826 INFO L470 AbstractCegarLoop]: Abstraction has 24443 states and 28137 transitions. [2021-12-06 23:52:01,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:01,826 INFO L276 IsEmpty]: Start isEmpty. Operand 24443 states and 28137 transitions. [2021-12-06 23:52:01,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-06 23:52:01,842 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:01,842 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:01,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 23:52:01,843 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:01,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:01,843 INFO L85 PathProgramCache]: Analyzing trace with hash -361443703, now seen corresponding path program 1 times [2021-12-06 23:52:01,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:01,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190044970] [2021-12-06 23:52:01,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:01,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-12-06 23:52:01,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:01,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190044970] [2021-12-06 23:52:01,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190044970] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:52:01,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83047814] [2021-12-06 23:52:01,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:01,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:01,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:01,933 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:52:01,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 23:52:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:02,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:52:02,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-06 23:52:02,215 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:52:02,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83047814] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:02,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:52:02,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 23:52:02,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119770442] [2021-12-06 23:52:02,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:02,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:02,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:02,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:02,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:52:02,217 INFO L87 Difference]: Start difference. First operand 24443 states and 28137 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:02,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:02,554 INFO L93 Difference]: Finished difference Result 70041 states and 80593 transitions. [2021-12-06 23:52:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:02,555 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2021-12-06 23:52:02,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:02,593 INFO L225 Difference]: With dead ends: 70041 [2021-12-06 23:52:02,593 INFO L226 Difference]: Without dead ends: 45803 [2021-12-06 23:52:02,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:52:02,609 INFO L933 BasicCegarLoop]: 590 mSDtfsCounter, 288 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:02,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 816 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:52:02,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45803 states. [2021-12-06 23:52:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45803 to 45795. [2021-12-06 23:52:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45795 states, 45794 states have (on average 1.1337293095165306) internal successors, (51918), 45794 states have internal predecessors, (51918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45795 states to 45795 states and 51918 transitions. [2021-12-06 23:52:03,090 INFO L78 Accepts]: Start accepts. Automaton has 45795 states and 51918 transitions. Word has length 228 [2021-12-06 23:52:03,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:03,090 INFO L470 AbstractCegarLoop]: Abstraction has 45795 states and 51918 transitions. [2021-12-06 23:52:03,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand 45795 states and 51918 transitions. [2021-12-06 23:52:03,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-06 23:52:03,101 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:03,102 INFO L514 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, 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] [2021-12-06 23:52:03,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 23:52:03,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:03,304 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:03,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:03,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1616179030, now seen corresponding path program 1 times [2021-12-06 23:52:03,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:03,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38675968] [2021-12-06 23:52:03,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:03,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-06 23:52:03,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:03,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38675968] [2021-12-06 23:52:03,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38675968] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:52:03,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468040041] [2021-12-06 23:52:03,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:03,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:03,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:03,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:52:03,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 23:52:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:03,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:52:03,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-12-06 23:52:03,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:52:03,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468040041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:03,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:52:03,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 23:52:03,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050704398] [2021-12-06 23:52:03,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:03,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:03,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:03,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:03,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:52:03,722 INFO L87 Difference]: Start difference. First operand 45795 states and 51918 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:04,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:04,417 INFO L93 Difference]: Finished difference Result 113157 states and 128590 transitions. [2021-12-06 23:52:04,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:04,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-12-06 23:52:04,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:04,484 INFO L225 Difference]: With dead ends: 113157 [2021-12-06 23:52:04,484 INFO L226 Difference]: Without dead ends: 67567 [2021-12-06 23:52:04,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:52:04,511 INFO L933 BasicCegarLoop]: 141 mSDtfsCounter, 69 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:04,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 168 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:52:04,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67567 states. [2021-12-06 23:52:05,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67567 to 62463. [2021-12-06 23:52:05,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62463 states, 62462 states have (on average 1.138644295731805) internal successors, (71122), 62462 states have internal predecessors, (71122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62463 states to 62463 states and 71122 transitions. [2021-12-06 23:52:05,240 INFO L78 Accepts]: Start accepts. Automaton has 62463 states and 71122 transitions. Word has length 239 [2021-12-06 23:52:05,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:05,241 INFO L470 AbstractCegarLoop]: Abstraction has 62463 states and 71122 transitions. [2021-12-06 23:52:05,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:05,241 INFO L276 IsEmpty]: Start isEmpty. Operand 62463 states and 71122 transitions. [2021-12-06 23:52:05,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-12-06 23:52:05,265 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:05,265 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:05,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 23:52:05,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 23:52:05,467 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:05,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:05,469 INFO L85 PathProgramCache]: Analyzing trace with hash -167226469, now seen corresponding path program 1 times [2021-12-06 23:52:05,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:05,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298634672] [2021-12-06 23:52:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:05,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-06 23:52:05,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:05,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298634672] [2021-12-06 23:52:05,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298634672] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:05,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:52:05,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:52:05,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960749212] [2021-12-06 23:52:05,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:05,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:05,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:05,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:05,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:52:05,576 INFO L87 Difference]: Start difference. First operand 62463 states and 71122 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:06,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:06,339 INFO L93 Difference]: Finished difference Result 124518 states and 141807 transitions. [2021-12-06 23:52:06,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:06,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 266 [2021-12-06 23:52:06,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:06,401 INFO L225 Difference]: With dead ends: 124518 [2021-12-06 23:52:06,401 INFO L226 Difference]: Without dead ends: 62260 [2021-12-06 23:52:06,429 INFO L932 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 [2021-12-06 23:52:06,429 INFO L933 BasicCegarLoop]: 322 mSDtfsCounter, 251 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:06,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 338 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:52:06,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62260 states. [2021-12-06 23:52:07,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62260 to 62258. [2021-12-06 23:52:07,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62258 states, 62257 states have (on average 1.1125656552676808) internal successors, (69265), 62257 states have internal predecessors, (69265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:07,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62258 states to 62258 states and 69265 transitions. [2021-12-06 23:52:07,120 INFO L78 Accepts]: Start accepts. Automaton has 62258 states and 69265 transitions. Word has length 266 [2021-12-06 23:52:07,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:07,121 INFO L470 AbstractCegarLoop]: Abstraction has 62258 states and 69265 transitions. [2021-12-06 23:52:07,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 62258 states and 69265 transitions. [2021-12-06 23:52:07,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-12-06 23:52:07,146 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:07,146 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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, 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] [2021-12-06 23:52:07,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 23:52:07,146 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:07,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:07,147 INFO L85 PathProgramCache]: Analyzing trace with hash 603368204, now seen corresponding path program 1 times [2021-12-06 23:52:07,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:07,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111715448] [2021-12-06 23:52:07,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:07,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 138 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-06 23:52:07,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:07,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111715448] [2021-12-06 23:52:07,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111715448] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:52:07,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774849040] [2021-12-06 23:52:07,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:07,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:07,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:07,248 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:52:07,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 23:52:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:07,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:52:07,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-06 23:52:07,661 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:52:07,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774849040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:07,661 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:52:07,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 23:52:07,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15225491] [2021-12-06 23:52:07,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:07,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:07,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:07,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:07,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:52:07,663 INFO L87 Difference]: Start difference. First operand 62258 states and 69265 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:08,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:08,454 INFO L93 Difference]: Finished difference Result 143253 states and 159965 transitions. [2021-12-06 23:52:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:08,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 272 [2021-12-06 23:52:08,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:08,545 INFO L225 Difference]: With dead ends: 143253 [2021-12-06 23:52:08,545 INFO L226 Difference]: Without dead ends: 81403 [2021-12-06 23:52:08,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:52:08,581 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 97 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:08,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 118 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:52:08,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81403 states. [2021-12-06 23:52:09,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81403 to 80785. [2021-12-06 23:52:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80785 states, 80784 states have (on average 1.1046122994652405) internal successors, (89235), 80784 states have internal predecessors, (89235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80785 states to 80785 states and 89235 transitions. [2021-12-06 23:52:09,571 INFO L78 Accepts]: Start accepts. Automaton has 80785 states and 89235 transitions. Word has length 272 [2021-12-06 23:52:09,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:09,572 INFO L470 AbstractCegarLoop]: Abstraction has 80785 states and 89235 transitions. [2021-12-06 23:52:09,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 80785 states and 89235 transitions. [2021-12-06 23:52:09,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-12-06 23:52:09,603 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:09,603 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 23:52:09,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-06 23:52:09,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-06 23:52:09,805 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:09,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:09,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1634425628, now seen corresponding path program 1 times [2021-12-06 23:52:09,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:09,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180619641] [2021-12-06 23:52:09,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:09,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:09,889 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 143 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-12-06 23:52:09,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:09,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180619641] [2021-12-06 23:52:09,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180619641] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:52:09,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108947047] [2021-12-06 23:52:09,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:09,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:09,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:09,891 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:52:09,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 23:52:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:10,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 23:52:10,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-12-06 23:52:10,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:52:10,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108947047] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:10,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:52:10,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 23:52:10,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510683624] [2021-12-06 23:52:10,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:10,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:10,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:10,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:10,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:52:10,207 INFO L87 Difference]: Start difference. First operand 80785 states and 89235 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:10,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:10,935 INFO L93 Difference]: Finished difference Result 156664 states and 172816 transitions. [2021-12-06 23:52:10,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:10,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 309 [2021-12-06 23:52:10,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:11,015 INFO L225 Difference]: With dead ends: 156664 [2021-12-06 23:52:11,015 INFO L226 Difference]: Without dead ends: 76084 [2021-12-06 23:52:11,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:52:11,054 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 219 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:11,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 332 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:52:11,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76084 states. [2021-12-06 23:52:11,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76084 to 66725. [2021-12-06 23:52:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66725 states, 66724 states have (on average 1.0838079251843415) internal successors, (72316), 66724 states have internal predecessors, (72316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66725 states to 66725 states and 72316 transitions. [2021-12-06 23:52:12,027 INFO L78 Accepts]: Start accepts. Automaton has 66725 states and 72316 transitions. Word has length 309 [2021-12-06 23:52:12,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:12,027 INFO L470 AbstractCegarLoop]: Abstraction has 66725 states and 72316 transitions. [2021-12-06 23:52:12,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 66725 states and 72316 transitions. [2021-12-06 23:52:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-12-06 23:52:12,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:12,054 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 23:52:12,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 23:52:12,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-06 23:52:12,256 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:12,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:12,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1360195708, now seen corresponding path program 1 times [2021-12-06 23:52:12,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:12,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391962293] [2021-12-06 23:52:12,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:12,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 130 proven. 12 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-12-06 23:52:12,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:12,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391962293] [2021-12-06 23:52:12,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391962293] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:52:12,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665309894] [2021-12-06 23:52:12,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:12,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:12,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:12,384 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:52:12,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 23:52:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:12,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 23:52:12,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-06 23:52:12,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:52:12,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665309894] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:12,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:52:12,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 23:52:12,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525374395] [2021-12-06 23:52:12,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:12,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:12,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:12,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:12,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:52:12,718 INFO L87 Difference]: Start difference. First operand 66725 states and 72316 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:13,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:13,383 INFO L93 Difference]: Finished difference Result 147277 states and 159366 transitions. [2021-12-06 23:52:13,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:13,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 323 [2021-12-06 23:52:13,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:13,462 INFO L225 Difference]: With dead ends: 147277 [2021-12-06 23:52:13,462 INFO L226 Difference]: Without dead ends: 80960 [2021-12-06 23:52:13,493 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:52:13,494 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 132 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:13,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 348 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:52:13,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80960 states. [2021-12-06 23:52:14,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80960 to 80318. [2021-12-06 23:52:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80318 states, 80317 states have (on average 1.0752393640200704) internal successors, (86360), 80317 states have internal predecessors, (86360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:14,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80318 states to 80318 states and 86360 transitions. [2021-12-06 23:52:14,532 INFO L78 Accepts]: Start accepts. Automaton has 80318 states and 86360 transitions. Word has length 323 [2021-12-06 23:52:14,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:14,533 INFO L470 AbstractCegarLoop]: Abstraction has 80318 states and 86360 transitions. [2021-12-06 23:52:14,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:14,533 INFO L276 IsEmpty]: Start isEmpty. Operand 80318 states and 86360 transitions. [2021-12-06 23:52:14,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2021-12-06 23:52:14,590 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:52:14,590 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:14,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-06 23:52:14,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-06 23:52:14,792 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:52:14,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:52:14,794 INFO L85 PathProgramCache]: Analyzing trace with hash 940109861, now seen corresponding path program 1 times [2021-12-06 23:52:14,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:52:14,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043409773] [2021-12-06 23:52:14,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:14,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:52:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 12 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-06 23:52:14,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:52:14,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043409773] [2021-12-06 23:52:14,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043409773] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:52:14,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334403333] [2021-12-06 23:52:14,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:52:14,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:52:14,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:52:14,915 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:52:14,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 23:52:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:52:15,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 23:52:15,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:52:15,288 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-12-06 23:52:15,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:52:15,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334403333] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:52:15,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:52:15,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-06 23:52:15,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874845697] [2021-12-06 23:52:15,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:52:15,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:52:15,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:52:15,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:52:15,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:52:15,290 INFO L87 Difference]: Start difference. First operand 80318 states and 86360 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:16,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:52:16,055 INFO L93 Difference]: Finished difference Result 142342 states and 152713 transitions. [2021-12-06 23:52:16,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:52:16,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 357 [2021-12-06 23:52:16,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:52:16,057 INFO L225 Difference]: With dead ends: 142342 [2021-12-06 23:52:16,057 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 23:52:16,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:52:16,095 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 215 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:52:16,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 324 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:52:16,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 23:52:16,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 23:52:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:16,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 23:52:16,096 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2021-12-06 23:52:16,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:52:16,096 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:52:16,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 3 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:52:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:52:16,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 23:52:16,099 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:52:16,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 23:52:16,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 23:52:16,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 23:52:29,085 INFO L858 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-12-06 23:52:29,085 INFO L858 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-12-06 23:52:29,085 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,085 INFO L858 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-12-06 23:52:29,085 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,085 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,085 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,085 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-12-06 23:52:29,086 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,087 INFO L858 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,088 INFO L858 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-12-06 23:52:29,089 INFO L858 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-12-06 23:52:29,090 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,091 INFO L858 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-12-06 23:52:29,092 INFO L858 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-12-06 23:52:29,093 INFO L858 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,094 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1528) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-12-06 23:52:29,095 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,096 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,097 INFO L858 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-12-06 23:52:29,098 INFO L858 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-12-06 23:52:29,098 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-12-06 23:52:29,098 INFO L858 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-12-06 23:52:29,098 INFO L858 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-12-06 23:52:29,098 INFO L858 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-12-06 23:52:29,098 INFO L858 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-12-06 23:52:29,098 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,098 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,098 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L854 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse2 (= ~a11~0 1))) (let ((.cse11 (not .cse2)) (.cse10 (= ~a12~0 1)) (.cse5 (<= 2 ~a3~0)) (.cse6 (<= ~a26~0 0)) (.cse14 (= ~a26~0 ~a11~0)) (.cse8 (= ~a27~0 1)) (.cse1 (<= ~a3~0 1)) (.cse3 (<= ~a12~0 0)) (.cse4 (<= ~a6~0 0)) (.cse9 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a3~0 0)) (.cse13 (= ~a12~0 ~a11~0)) (.cse7 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse9 .cse0 .cse10 .cse5 .cse4) (and .cse0 .cse10 .cse7 .cse8 .cse11) (and .cse0 .cse12 .cse3 .cse8 .cse4) (and .cse9 .cse0 .cse10 .cse7 .cse11) (and .cse9 .cse0 .cse10 .cse12 .cse4) (and .cse0 .cse13 .cse2 .cse7 .cse14 .cse8) (and .cse0 .cse10 .cse1 .cse7 .cse11) (and .cse9 .cse0 .cse7 .cse3) (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse13 .cse6 .cse2 .cse7) (and .cse0 .cse10 .cse6 .cse7 .cse11) (and .cse9 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse13 .cse2 .cse7 .cse8) (and .cse0 .cse5 .cse3 .cse8 .cse11 .cse4) (and .cse9 .cse0 .cse13 .cse2 .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse0 .cse12 .cse13 .cse2 .cse7 .cse8) (and .cse0 .cse12 .cse7 .cse3 .cse8) (and .cse9 (<= ~a10~0 0) .cse0 .cse10 .cse8 .cse4) (and .cse0 .cse7 .cse3 .cse11) (and .cse0 .cse10 .cse12 .cse6 .cse11 .cse4) (and .cse0 .cse10 .cse5 .cse6 .cse14 .cse8 .cse4) (and .cse9 .cse0 .cse1 .cse3 .cse4) (and .cse9 .cse0 .cse12 .cse13 .cse2 .cse7)))) [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L861 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,099 INFO L858 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,100 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L854 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse2 (= ~a11~0 1))) (let ((.cse11 (not .cse2)) (.cse10 (= ~a12~0 1)) (.cse5 (<= 2 ~a3~0)) (.cse6 (<= ~a26~0 0)) (.cse14 (= ~a26~0 ~a11~0)) (.cse8 (= ~a27~0 1)) (.cse1 (<= ~a3~0 1)) (.cse3 (<= ~a12~0 0)) (.cse4 (<= ~a6~0 0)) (.cse9 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse12 (<= ~a3~0 0)) (.cse13 (= ~a12~0 ~a11~0)) (.cse7 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse9 .cse0 .cse10 .cse5 .cse4) (and .cse0 .cse10 .cse7 .cse8 .cse11) (and .cse0 .cse12 .cse3 .cse8 .cse4) (and .cse9 .cse0 .cse10 .cse7 .cse11) (and .cse9 .cse0 .cse10 .cse12 .cse4) (and .cse0 .cse13 .cse2 .cse7 .cse14 .cse8) (and .cse0 .cse10 .cse1 .cse7 .cse11) (and .cse9 .cse0 .cse7 .cse3) (and (= ~a25~0 ~a11~0) .cse0 .cse1 .cse13 .cse6 .cse2 .cse7) (and .cse0 .cse10 .cse6 .cse7 .cse11) (and .cse9 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse13 .cse2 .cse7 .cse8) (and .cse0 .cse5 .cse3 .cse8 .cse11 .cse4) (and .cse9 .cse0 .cse13 .cse2 .cse4) (and .cse0 .cse6 .cse3 .cse4) (and .cse0 .cse12 .cse13 .cse2 .cse7 .cse8) (and .cse0 .cse12 .cse7 .cse3 .cse8) (and .cse9 (<= ~a10~0 0) .cse0 .cse10 .cse8 .cse4) (and .cse0 .cse7 .cse3 .cse11) (and .cse0 .cse10 .cse12 .cse6 .cse11 .cse4) (and .cse0 .cse10 .cse5 .cse6 .cse14 .cse8 .cse4) (and .cse9 .cse0 .cse1 .cse3 .cse4) (and .cse9 .cse0 .cse12 .cse13 .cse2 .cse7)))) [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,101 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-12-06 23:52:29,102 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,103 INFO L858 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-12-06 23:52:29,104 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,105 INFO L858 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,106 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,107 INFO L858 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 23:52:29,110 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:52:29,111 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:52:29,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:52:29 BoogieIcfgContainer [2021-12-06 23:52:29,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:52:29,142 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:52:29,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:52:29,142 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:52:29,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:51:50" (3/4) ... [2021-12-06 23:52:29,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 23:52:29,177 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 23:52:29,180 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 23:52:29,183 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 23:52:29,186 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 23:52:29,324 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:52:29,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:52:29,325 INFO L158 Benchmark]: Toolchain (without parser) took 40546.80ms. Allocated memory was 100.7MB in the beginning and 5.6GB in the end (delta: 5.5GB). Free memory was 56.8MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2021-12-06 23:52:29,325 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:52:29,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.44ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 56.6MB in the beginning and 69.4MB in the end (delta: -12.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-12-06 23:52:29,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.00ms. Allocated memory is still 121.6MB. Free memory was 69.4MB in the beginning and 54.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 23:52:29,326 INFO L158 Benchmark]: Boogie Preprocessor took 82.01ms. Allocated memory is still 121.6MB. Free memory was 54.2MB in the beginning and 79.7MB in the end (delta: -25.5MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-12-06 23:52:29,326 INFO L158 Benchmark]: RCFGBuilder took 1205.65ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 79.7MB in the beginning and 85.4MB in the end (delta: -5.7MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2021-12-06 23:52:29,327 INFO L158 Benchmark]: TraceAbstraction took 38341.07ms. Allocated memory was 157.3MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 85.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. [2021-12-06 23:52:29,327 INFO L158 Benchmark]: Witness Printer took 182.48ms. Allocated memory is still 5.6GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-06 23:52:29,328 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.44ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 56.6MB in the beginning and 69.4MB in the end (delta: -12.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.00ms. Allocated memory is still 121.6MB. Free memory was 69.4MB in the beginning and 54.2MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.01ms. Allocated memory is still 121.6MB. Free memory was 54.2MB in the beginning and 79.7MB in the end (delta: -25.5MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1205.65ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 79.7MB in the beginning and 85.4MB in the end (delta: -5.7MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * TraceAbstraction took 38341.07ms. Allocated memory was 157.3MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 85.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. * Witness Printer took 182.48ms. Allocated memory is still 5.6GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 36.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1528]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.3s, OverallIterations: 17, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3508 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3508 mSDsluCounter, 4308 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 589 mSDsCounter, 1743 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9384 IncrementalHoareTripleChecker+Invalid, 11127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1743 mSolverCounterUnsat, 3719 mSDtfsCounter, 9384 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2542 GetRequests, 2501 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80785occurred in iteration=14, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 15787 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 589 NumberOfFragments, 871 HoareAnnotationTreeSize, 3 FomulaSimplifications, 972 FormulaSimplificationTreeSizeReduction, 7.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 19402 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 6341 NumberOfCodeBlocks, 6341 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 6314 ConstructedInterpolants, 0 QuantifiedInterpolants, 11556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 5131 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 27 InterpolantComputations, 17 PerfectInterpolantSequences, 3152/3242 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 <= 0) && a6 <= 0) || (((((a5 == 1 && 2 <= a3) && a26 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a6 == 1) && a27 == 1) && !(a11 == 1))) || ((((a5 == 1 && a3 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && !(a11 == 1))) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == a11) && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1)) || ((((a5 == 1 && a12 == 1) && a3 <= 1) && a6 == 1) && !(a11 == 1))) || (((a26 == 1 && a5 == 1) && a6 == 1) && a12 <= 0)) || ((((((a25 == a11 && a5 == 1) && a3 <= 1) && a12 == a11) && a26 <= 0) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && !(a11 == 1))) || ((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((a5 == 1 && 2 <= a3) && a12 <= 0) && a27 == 1) && !(a11 == 1)) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a12 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 <= 0) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a5 == 1 && a3 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a10 <= 0) && a5 == 1) && a12 == 1) && a27 == 1) && a6 <= 0)) || (((a5 == 1 && a6 == 1) && a12 <= 0) && !(a11 == 1))) || (((((a5 == 1 && a12 == 1) && a3 <= 0) && a26 <= 0) && !(a11 == 1)) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a26 <= 0) && a26 == a11) && a27 == 1) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 <= 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a6 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 <= 0) && a6 <= 0) || (((((a5 == 1 && 2 <= a3) && a26 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a6 == 1) && a27 == 1) && !(a11 == 1))) || ((((a5 == 1 && a3 <= 0) && a12 <= 0) && a27 == 1) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 1) && !(a11 == 1))) || ((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a6 <= 0)) || (((((a5 == 1 && a12 == a11) && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1)) || ((((a5 == 1 && a12 == 1) && a3 <= 1) && a6 == 1) && !(a11 == 1))) || (((a26 == 1 && a5 == 1) && a6 == 1) && a12 <= 0)) || ((((((a25 == a11 && a5 == 1) && a3 <= 1) && a12 == a11) && a26 <= 0) && a11 == 1) && a6 == 1)) || ((((a5 == 1 && a12 == 1) && a26 <= 0) && a6 == 1) && !(a11 == 1))) || ((((a26 == 1 && a5 == 1) && a11 == 1) && a12 <= 0) && a6 <= 0)) || (((((a5 == 1 && 2 <= a3) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((a5 == 1 && 2 <= a3) && a12 <= 0) && a27 == 1) && !(a11 == 1)) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a12 == a11) && a11 == 1) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a12 <= 0) && a6 <= 0)) || (((((a5 == 1 && a3 <= 0) && a12 == a11) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((a5 == 1 && a3 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || (((((a26 == 1 && a10 <= 0) && a5 == 1) && a12 == 1) && a27 == 1) && a6 <= 0)) || (((a5 == 1 && a6 == 1) && a12 <= 0) && !(a11 == 1))) || (((((a5 == 1 && a12 == 1) && a3 <= 0) && a26 <= 0) && !(a11 == 1)) && a6 <= 0)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a26 <= 0) && a26 == a11) && a27 == 1) && a6 <= 0)) || ((((a26 == 1 && a5 == 1) && a3 <= 1) && a12 <= 0) && a6 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 <= 0) && a12 == a11) && a11 == 1) && a6 == 1) RESULT: Ultimate proved your program to be correct! [2021-12-06 23:52:29,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84ec13ce-f8ae-47a9-809f-c2c6ca9a410b/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE