./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label40.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_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/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_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/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_f011601f-7b90-4dcc-9282-3aaddda1ed69/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 50a84ef689ee1e06fdacd72e7701ff2c38527734cebc573231d698f970fe37fd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:05:18,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:05:18,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:05:18,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:05:18,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:05:18,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:05:18,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:05:18,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:05:18,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:05:18,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:05:18,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:05:18,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:05:18,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:05:18,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:05:18,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:05:18,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:05:18,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:05:18,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:05:18,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:05:18,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:05:18,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:05:18,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:05:18,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:05:18,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:05:18,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:05:18,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:05:18,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:05:18,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:05:18,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:05:18,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:05:18,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:05:18,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:05:18,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:05:18,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:05:18,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:05:18,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:05:18,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:05:18,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:05:18,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:05:18,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:05:18,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:05:18,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 21:05:18,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:05:18,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:05:18,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:05:18,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:05:18,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:05:18,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:05:18,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:05:18,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:05:18,520 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:05:18,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:05:18,520 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 21:05:18,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:05:18,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 21:05:18,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:05:18,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:05:18,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:05:18,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:05:18,521 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 21:05:18,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:05:18,521 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:05:18,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:05:18,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:05:18,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:05:18,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:05:18,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:05:18,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:05:18,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:05:18,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:05:18,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:05:18,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:05:18,522 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:05:18,523 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:05:18,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:05:18,523 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:05:18,523 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_f011601f-7b90-4dcc-9282-3aaddda1ed69/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50a84ef689ee1e06fdacd72e7701ff2c38527734cebc573231d698f970fe37fd [2021-12-06 21:05:18,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:05:18,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:05:18,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:05:18,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:05:18,731 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:05:18,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem03_label40.c [2021-12-06 21:05:18,779 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/data/dd66af2cd/14d27d7ec1444091868bd80527ee264e/FLAG3400ac431 [2021-12-06 21:05:19,266 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:05:19,266 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/sv-benchmarks/c/eca-rers2012/Problem03_label40.c [2021-12-06 21:05:19,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/data/dd66af2cd/14d27d7ec1444091868bd80527ee264e/FLAG3400ac431 [2021-12-06 21:05:19,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/data/dd66af2cd/14d27d7ec1444091868bd80527ee264e [2021-12-06 21:05:19,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:05:19,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:05:19,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:05:19,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:05:19,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:05:19,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:05:19" (1/1) ... [2021-12-06 21:05:19,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c36af47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:19, skipping insertion in model container [2021-12-06 21:05:19,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:05:19" (1/1) ... [2021-12-06 21:05:19,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:05:19,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:05:20,003 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_f011601f-7b90-4dcc-9282-3aaddda1ed69/sv-benchmarks/c/eca-rers2012/Problem03_label40.c[59070,59083] [2021-12-06 21:05:20,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:05:20,029 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:05:20,249 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_f011601f-7b90-4dcc-9282-3aaddda1ed69/sv-benchmarks/c/eca-rers2012/Problem03_label40.c[59070,59083] [2021-12-06 21:05:20,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:05:20,270 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:05:20,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20 WrapperNode [2021-12-06 21:05:20,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:05:20,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:05:20,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:05:20,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:05:20,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (1/1) ... [2021-12-06 21:05:20,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (1/1) ... [2021-12-06 21:05:20,356 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2021-12-06 21:05:20,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:05:20,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:05:20,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:05:20,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:05:20,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (1/1) ... [2021-12-06 21:05:20,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (1/1) ... [2021-12-06 21:05:20,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (1/1) ... [2021-12-06 21:05:20,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (1/1) ... [2021-12-06 21:05:20,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (1/1) ... [2021-12-06 21:05:20,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (1/1) ... [2021-12-06 21:05:20,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (1/1) ... [2021-12-06 21:05:20,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:05:20,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:05:20,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:05:20,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:05:20,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (1/1) ... [2021-12-06 21:05:20,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:05:20,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:20,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:05:20,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:05:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:05:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:05:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:05:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:05:20,555 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:05:20,556 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:05:21,520 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:05:21,539 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:05:21,539 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 21:05:21,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:05:21 BoogieIcfgContainer [2021-12-06 21:05:21,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:05:21,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:05:21,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:05:21,548 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:05:21,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:05:19" (1/3) ... [2021-12-06 21:05:21,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9f5dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:05:21, skipping insertion in model container [2021-12-06 21:05:21,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:05:20" (2/3) ... [2021-12-06 21:05:21,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9f5dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:05:21, skipping insertion in model container [2021-12-06 21:05:21,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:05:21" (3/3) ... [2021-12-06 21:05:21,551 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label40.c [2021-12-06 21:05:21,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:05:21,557 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:05:21,595 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:05:21,601 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 21:05:21,601 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 21:05:21,619 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 21:05:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-12-06 21:05:21,634 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:21,635 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, 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 21:05:21,635 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:21,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:21,639 INFO L85 PathProgramCache]: Analyzing trace with hash 359811874, now seen corresponding path program 1 times [2021-12-06 21:05:21,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:21,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987140648] [2021-12-06 21:05:21,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:21,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:22,045 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 21:05:22,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:22,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987140648] [2021-12-06 21:05:22,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987140648] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:22,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:22,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:05:22,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424995005] [2021-12-06 21:05:22,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:22,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:22,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:22,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:22,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:05:22,075 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 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 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 21:05:22,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:22,756 INFO L93 Difference]: Finished difference Result 855 states and 1496 transitions. [2021-12-06 21:05:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:22,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 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 184 [2021-12-06 21:05:22,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:22,773 INFO L225 Difference]: With dead ends: 855 [2021-12-06 21:05:22,773 INFO L226 Difference]: Without dead ends: 460 [2021-12-06 21:05:22,777 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 21:05:22,780 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 112 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:22,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 176 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:05:22,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2021-12-06 21:05:22,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2021-12-06 21:05:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.5502183406113537) internal successors, (710), 458 states have internal predecessors, (710), 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 21:05:22,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions. [2021-12-06 21:05:22,828 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 184 [2021-12-06 21:05:22,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:22,829 INFO L470 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions. [2021-12-06 21:05:22,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 2 states have internal predecessors, (184), 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 21:05:22,829 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions. [2021-12-06 21:05:22,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-06 21:05:22,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:22,834 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:05:22,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 21:05:22,834 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:22,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:22,835 INFO L85 PathProgramCache]: Analyzing trace with hash -116317198, now seen corresponding path program 1 times [2021-12-06 21:05:22,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:22,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053349326] [2021-12-06 21:05:22,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:22,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:05:22,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:22,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053349326] [2021-12-06 21:05:22,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053349326] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:22,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:22,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:05:22,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033137277] [2021-12-06 21:05:22,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:22,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:22,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:22,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:22,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:05:22,936 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 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 21:05:23,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:23,458 INFO L93 Difference]: Finished difference Result 1342 states and 2082 transitions. [2021-12-06 21:05:23,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:23,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 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 189 [2021-12-06 21:05:23,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:23,463 INFO L225 Difference]: With dead ends: 1342 [2021-12-06 21:05:23,463 INFO L226 Difference]: Without dead ends: 885 [2021-12-06 21:05:23,464 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 21:05:23,465 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 251 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:23,465 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 181 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 21:05:23,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2021-12-06 21:05:23,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 880. [2021-12-06 21:05:23,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 879 states have (on average 1.4687144482366326) internal successors, (1291), 879 states have internal predecessors, (1291), 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 21:05:23,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1291 transitions. [2021-12-06 21:05:23,495 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1291 transitions. Word has length 189 [2021-12-06 21:05:23,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:23,495 INFO L470 AbstractCegarLoop]: Abstraction has 880 states and 1291 transitions. [2021-12-06 21:05:23,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 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 21:05:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1291 transitions. [2021-12-06 21:05:23,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-06 21:05:23,498 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:23,499 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:05:23,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 21:05:23,499 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:23,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:23,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1976846399, now seen corresponding path program 1 times [2021-12-06 21:05:23,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:23,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935268492] [2021-12-06 21:05:23,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:23,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:23,562 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:05:23,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:23,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935268492] [2021-12-06 21:05:23,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935268492] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:23,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:23,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:05:23,563 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648616775] [2021-12-06 21:05:23,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:23,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:23,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:23,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:23,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:05:23,565 INFO L87 Difference]: Start difference. First operand 880 states and 1291 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 21:05:24,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:24,109 INFO L93 Difference]: Finished difference Result 2594 states and 3822 transitions. [2021-12-06 21:05:24,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:24,109 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 192 [2021-12-06 21:05:24,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:24,116 INFO L225 Difference]: With dead ends: 2594 [2021-12-06 21:05:24,117 INFO L226 Difference]: Without dead ends: 1716 [2021-12-06 21:05:24,118 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 21:05:24,119 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 249 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:24,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 90 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 21:05:24,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2021-12-06 21:05:24,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1696. [2021-12-06 21:05:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1695 states have (on average 1.4395280235988202) internal successors, (2440), 1695 states have internal predecessors, (2440), 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 21:05:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2440 transitions. [2021-12-06 21:05:24,168 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2440 transitions. Word has length 192 [2021-12-06 21:05:24,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:24,169 INFO L470 AbstractCegarLoop]: Abstraction has 1696 states and 2440 transitions. [2021-12-06 21:05:24,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 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 21:05:24,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2440 transitions. [2021-12-06 21:05:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-06 21:05:24,172 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:24,172 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:05:24,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 21:05:24,173 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:24,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:24,173 INFO L85 PathProgramCache]: Analyzing trace with hash 2013935212, now seen corresponding path program 1 times [2021-12-06 21:05:24,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:24,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463914174] [2021-12-06 21:05:24,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:24,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 21:05:24,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:24,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463914174] [2021-12-06 21:05:24,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463914174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:24,341 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:24,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:05:24,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790525091] [2021-12-06 21:05:24,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:24,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:05:24,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:24,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:05:24,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:24,343 INFO L87 Difference]: Start difference. First operand 1696 states and 2440 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 3 states have internal predecessors, (194), 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 21:05:25,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:25,030 INFO L93 Difference]: Finished difference Result 3531 states and 5130 transitions. [2021-12-06 21:05:25,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 21:05:25,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 3 states have internal predecessors, (194), 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 199 [2021-12-06 21:05:25,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:25,037 INFO L225 Difference]: With dead ends: 3531 [2021-12-06 21:05:25,038 INFO L226 Difference]: Without dead ends: 1663 [2021-12-06 21:05:25,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:25,041 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 300 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:25,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 47 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:05:25,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2021-12-06 21:05:25,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1663. [2021-12-06 21:05:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1662 states have (on average 1.325511432009627) internal successors, (2203), 1662 states have internal predecessors, (2203), 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 21:05:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2203 transitions. [2021-12-06 21:05:25,071 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2203 transitions. Word has length 199 [2021-12-06 21:05:25,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:25,072 INFO L470 AbstractCegarLoop]: Abstraction has 1663 states and 2203 transitions. [2021-12-06 21:05:25,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 3 states have internal predecessors, (194), 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 21:05:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2203 transitions. [2021-12-06 21:05:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-06 21:05:25,075 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:25,075 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:25,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 21:05:25,076 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:25,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:25,076 INFO L85 PathProgramCache]: Analyzing trace with hash -611089167, now seen corresponding path program 1 times [2021-12-06 21:05:25,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:25,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27446221] [2021-12-06 21:05:25,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:25,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:05:25,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:25,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27446221] [2021-12-06 21:05:25,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27446221] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:25,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:25,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:05:25,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899466541] [2021-12-06 21:05:25,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:25,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:05:25,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:25,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:05:25,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:25,258 INFO L87 Difference]: Start difference. First operand 1663 states and 2203 transitions. Second operand has 4 states, 4 states have (on average 53.75) internal successors, (215), 3 states have internal predecessors, (215), 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 21:05:26,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:26,006 INFO L93 Difference]: Finished difference Result 4323 states and 5743 transitions. [2021-12-06 21:05:26,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 21:05:26,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 3 states have internal predecessors, (215), 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 215 [2021-12-06 21:05:26,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:26,016 INFO L225 Difference]: With dead ends: 4323 [2021-12-06 21:05:26,016 INFO L226 Difference]: Without dead ends: 2488 [2021-12-06 21:05:26,018 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:26,018 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 195 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:26,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 94 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 994 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-06 21:05:26,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2021-12-06 21:05:26,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 2487. [2021-12-06 21:05:26,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2486 states have (on average 1.3085277554304102) internal successors, (3253), 2486 states have internal predecessors, (3253), 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 21:05:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3253 transitions. [2021-12-06 21:05:26,058 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3253 transitions. Word has length 215 [2021-12-06 21:05:26,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:26,058 INFO L470 AbstractCegarLoop]: Abstraction has 2487 states and 3253 transitions. [2021-12-06 21:05:26,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 3 states have internal predecessors, (215), 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 21:05:26,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3253 transitions. [2021-12-06 21:05:26,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-06 21:05:26,063 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:26,063 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:26,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 21:05:26,063 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:26,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:26,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1625909836, now seen corresponding path program 1 times [2021-12-06 21:05:26,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:26,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094730139] [2021-12-06 21:05:26,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:26,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 21:05:26,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:26,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094730139] [2021-12-06 21:05:26,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094730139] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:26,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:26,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:05:26,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703318659] [2021-12-06 21:05:26,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:26,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:26,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:26,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:26,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:05:26,134 INFO L87 Difference]: Start difference. First operand 2487 states and 3253 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 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 21:05:26,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:26,555 INFO L93 Difference]: Finished difference Result 7431 states and 9726 transitions. [2021-12-06 21:05:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:26,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 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 217 [2021-12-06 21:05:26,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:26,572 INFO L225 Difference]: With dead ends: 7431 [2021-12-06 21:05:26,572 INFO L226 Difference]: Without dead ends: 4946 [2021-12-06 21:05:26,575 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 21:05:26,575 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 204 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:26,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 63 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:05:26,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4946 states. [2021-12-06 21:05:26,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4946 to 4937. [2021-12-06 21:05:26,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 4936 states have (on average 1.2872771474878444) internal successors, (6354), 4936 states have internal predecessors, (6354), 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 21:05:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 6354 transitions. [2021-12-06 21:05:26,651 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 6354 transitions. Word has length 217 [2021-12-06 21:05:26,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:26,652 INFO L470 AbstractCegarLoop]: Abstraction has 4937 states and 6354 transitions. [2021-12-06 21:05:26,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 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 21:05:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 6354 transitions. [2021-12-06 21:05:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-06 21:05:26,667 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:26,667 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:26,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 21:05:26,668 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:26,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:26,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1282255010, now seen corresponding path program 1 times [2021-12-06 21:05:26,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:26,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082504180] [2021-12-06 21:05:26,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:26,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:26,739 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 53 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 21:05:26,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:26,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082504180] [2021-12-06 21:05:26,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082504180] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:05:26,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316829876] [2021-12-06 21:05:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:26,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:26,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:26,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:05:26,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 21:05:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:26,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:05:26,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:05:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-12-06 21:05:27,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:05:27,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316829876] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:27,064 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:05:27,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-12-06 21:05:27,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958828090] [2021-12-06 21:05:27,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:27,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:27,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:27,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:27,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:05:27,066 INFO L87 Difference]: Start difference. First operand 4937 states and 6354 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 2 states have internal predecessors, (221), 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 21:05:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:27,218 INFO L93 Difference]: Finished difference Result 14805 states and 19056 transitions. [2021-12-06 21:05:27,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:27,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 2 states have internal predecessors, (221), 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 233 [2021-12-06 21:05:27,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:27,261 INFO L225 Difference]: With dead ends: 14805 [2021-12-06 21:05:27,261 INFO L226 Difference]: Without dead ends: 9870 [2021-12-06 21:05:27,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 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 21:05:27,265 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 268 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:27,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 507 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 21:05:27,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9870 states. [2021-12-06 21:05:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9870 to 9868. [2021-12-06 21:05:27,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9868 states, 9867 states have (on average 1.2839768926725448) internal successors, (12669), 9867 states have internal predecessors, (12669), 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 21:05:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9868 states to 9868 states and 12669 transitions. [2021-12-06 21:05:27,386 INFO L78 Accepts]: Start accepts. Automaton has 9868 states and 12669 transitions. Word has length 233 [2021-12-06 21:05:27,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:27,386 INFO L470 AbstractCegarLoop]: Abstraction has 9868 states and 12669 transitions. [2021-12-06 21:05:27,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 2 states have internal predecessors, (221), 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 21:05:27,386 INFO L276 IsEmpty]: Start isEmpty. Operand 9868 states and 12669 transitions. [2021-12-06 21:05:27,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-06 21:05:27,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:27,400 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:27,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 21:05:27,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-12-06 21:05:27,602 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:27,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:27,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1372364853, now seen corresponding path program 1 times [2021-12-06 21:05:27,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:27,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611839313] [2021-12-06 21:05:27,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:27,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-06 21:05:27,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:27,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611839313] [2021-12-06 21:05:27,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611839313] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:05:27,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43728283] [2021-12-06 21:05:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:27,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:27,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:27,703 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:05:27,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 21:05:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:27,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:05:27,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:05:28,058 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-06 21:05:28,058 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:05:28,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43728283] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:28,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:05:28,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 21:05:28,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207133314] [2021-12-06 21:05:28,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:28,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:28,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:28,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:28,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:05:28,061 INFO L87 Difference]: Start difference. First operand 9868 states and 12669 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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 21:05:28,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:28,561 INFO L93 Difference]: Finished difference Result 24679 states and 31789 transitions. [2021-12-06 21:05:28,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:28,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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 241 [2021-12-06 21:05:28,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:28,597 INFO L225 Difference]: With dead ends: 24679 [2021-12-06 21:05:28,597 INFO L226 Difference]: Without dead ends: 14813 [2021-12-06 21:05:28,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 240 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 21:05:28,605 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 74 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:28,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 106 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:05:28,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14813 states. [2021-12-06 21:05:28,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14813 to 14801. [2021-12-06 21:05:28,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14801 states, 14800 states have (on average 1.262027027027027) internal successors, (18678), 14800 states have internal predecessors, (18678), 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 21:05:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14801 states to 14801 states and 18678 transitions. [2021-12-06 21:05:28,780 INFO L78 Accepts]: Start accepts. Automaton has 14801 states and 18678 transitions. Word has length 241 [2021-12-06 21:05:28,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:28,781 INFO L470 AbstractCegarLoop]: Abstraction has 14801 states and 18678 transitions. [2021-12-06 21:05:28,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 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 21:05:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 14801 states and 18678 transitions. [2021-12-06 21:05:28,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-06 21:05:28,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:28,798 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:05:28,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 21:05:28,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-06 21:05:28,999 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:29,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:29,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1700715822, now seen corresponding path program 1 times [2021-12-06 21:05:29,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:29,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188234480] [2021-12-06 21:05:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:29,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-06 21:05:29,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:29,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188234480] [2021-12-06 21:05:29,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188234480] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:29,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:29,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:05:29,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847821359] [2021-12-06 21:05:29,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:29,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:29,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:29,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:29,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:05:29,086 INFO L87 Difference]: Start difference. First operand 14801 states and 18678 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 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 21:05:29,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:29,620 INFO L93 Difference]: Finished difference Result 44216 states and 55778 transitions. [2021-12-06 21:05:29,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:29,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 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 244 [2021-12-06 21:05:29,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:29,664 INFO L225 Difference]: With dead ends: 44216 [2021-12-06 21:05:29,664 INFO L226 Difference]: Without dead ends: 29417 [2021-12-06 21:05:29,674 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 21:05:29,674 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 204 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:29,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 127 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:05:29,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29417 states. [2021-12-06 21:05:29,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29417 to 29417. [2021-12-06 21:05:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29417 states, 29416 states have (on average 1.1694316018493336) internal successors, (34400), 29416 states have internal predecessors, (34400), 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 21:05:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29417 states to 29417 states and 34400 transitions. [2021-12-06 21:05:30,008 INFO L78 Accepts]: Start accepts. Automaton has 29417 states and 34400 transitions. Word has length 244 [2021-12-06 21:05:30,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:30,008 INFO L470 AbstractCegarLoop]: Abstraction has 29417 states and 34400 transitions. [2021-12-06 21:05:30,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 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 21:05:30,009 INFO L276 IsEmpty]: Start isEmpty. Operand 29417 states and 34400 transitions. [2021-12-06 21:05:30,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-06 21:05:30,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:30,029 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:05:30,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 21:05:30,029 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:30,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:30,029 INFO L85 PathProgramCache]: Analyzing trace with hash 216253889, now seen corresponding path program 1 times [2021-12-06 21:05:30,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:30,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913564902] [2021-12-06 21:05:30,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:30,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:30,143 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-12-06 21:05:30,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:30,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913564902] [2021-12-06 21:05:30,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913564902] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:05:30,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722597812] [2021-12-06 21:05:30,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:30,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:30,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:30,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:05:30,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 21:05:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:30,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:05:30,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:05:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-12-06 21:05:30,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:05:30,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722597812] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:30,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:05:30,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 21:05:30,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924352661] [2021-12-06 21:05:30,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:30,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:30,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:30,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:30,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:05:30,503 INFO L87 Difference]: Start difference. First operand 29417 states and 34400 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 21:05:31,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:31,074 INFO L93 Difference]: Finished difference Result 55819 states and 65588 transitions. [2021-12-06 21:05:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:31,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 245 [2021-12-06 21:05:31,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:31,103 INFO L225 Difference]: With dead ends: 55819 [2021-12-06 21:05:31,103 INFO L226 Difference]: Without dead ends: 26404 [2021-12-06 21:05:31,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 244 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 21:05:31,118 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 191 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:31,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 287 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:05:31,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26404 states. [2021-12-06 21:05:31,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26404 to 26372. [2021-12-06 21:05:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26372 states, 26371 states have (on average 1.1672670736794206) internal successors, (30782), 26371 states have internal predecessors, (30782), 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 21:05:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26372 states to 26372 states and 30782 transitions. [2021-12-06 21:05:31,361 INFO L78 Accepts]: Start accepts. Automaton has 26372 states and 30782 transitions. Word has length 245 [2021-12-06 21:05:31,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:31,361 INFO L470 AbstractCegarLoop]: Abstraction has 26372 states and 30782 transitions. [2021-12-06 21:05:31,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 21:05:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 26372 states and 30782 transitions. [2021-12-06 21:05:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-06 21:05:31,381 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:31,381 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, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:05:31,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 21:05:31,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 21:05:31,582 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:31,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:31,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1597815934, now seen corresponding path program 1 times [2021-12-06 21:05:31,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:31,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023308673] [2021-12-06 21:05:31,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:31,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-06 21:05:31,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:31,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023308673] [2021-12-06 21:05:31,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023308673] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:05:31,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247651537] [2021-12-06 21:05:31,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:31,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:31,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:31,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:05:31,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 21:05:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:31,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:05:31,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:05:31,971 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 21:05:31,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:05:31,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247651537] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:31,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:05:31,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 21:05:31,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586260778] [2021-12-06 21:05:31,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:31,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:31,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:31,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:31,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:05:31,973 INFO L87 Difference]: Start difference. First operand 26372 states and 30782 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 21:05:32,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:32,545 INFO L93 Difference]: Finished difference Result 63712 states and 75538 transitions. [2021-12-06 21:05:32,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:32,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 254 [2021-12-06 21:05:32,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:32,581 INFO L225 Difference]: With dead ends: 63712 [2021-12-06 21:05:32,581 INFO L226 Difference]: Without dead ends: 37342 [2021-12-06 21:05:32,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 253 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 21:05:32,595 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 185 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:32,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 333 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:05:32,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37342 states. [2021-12-06 21:05:32,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37342 to 37334. [2021-12-06 21:05:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37334 states, 37333 states have (on average 1.1299922320735007) internal successors, (42186), 37333 states have internal predecessors, (42186), 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 21:05:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37334 states to 37334 states and 42186 transitions. [2021-12-06 21:05:32,959 INFO L78 Accepts]: Start accepts. Automaton has 37334 states and 42186 transitions. Word has length 254 [2021-12-06 21:05:32,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:32,959 INFO L470 AbstractCegarLoop]: Abstraction has 37334 states and 42186 transitions. [2021-12-06 21:05:32,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 21:05:32,960 INFO L276 IsEmpty]: Start isEmpty. Operand 37334 states and 42186 transitions. [2021-12-06 21:05:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-12-06 21:05:33,019 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:33,020 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-06 21:05:33,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 21:05:33,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 21:05:33,221 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:33,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:33,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1093536924, now seen corresponding path program 1 times [2021-12-06 21:05:33,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:33,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509580678] [2021-12-06 21:05:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:33,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:33,330 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-12-06 21:05:33,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:33,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509580678] [2021-12-06 21:05:33,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509580678] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:05:33,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690023948] [2021-12-06 21:05:33,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:33,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:33,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:33,331 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:05:33,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 21:05:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:33,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 21:05:33,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:05:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-06 21:05:33,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:05:33,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690023948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:33,636 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:05:33,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 21:05:33,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884287628] [2021-12-06 21:05:33,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:33,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:33,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:33,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:33,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:05:33,638 INFO L87 Difference]: Start difference. First operand 37334 states and 42186 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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 21:05:34,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:34,134 INFO L93 Difference]: Finished difference Result 73212 states and 82800 transitions. [2021-12-06 21:05:34,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:34,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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 297 [2021-12-06 21:05:34,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:34,164 INFO L225 Difference]: With dead ends: 73212 [2021-12-06 21:05:34,164 INFO L226 Difference]: Without dead ends: 36286 [2021-12-06 21:05:34,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 296 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 21:05:34,180 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 208 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:34,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 312 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:05:34,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36286 states. [2021-12-06 21:05:34,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36286 to 36274. [2021-12-06 21:05:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36274 states, 36273 states have (on average 1.1095029360681499) internal successors, (40245), 36273 states have internal predecessors, (40245), 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 21:05:34,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36274 states to 36274 states and 40245 transitions. [2021-12-06 21:05:34,569 INFO L78 Accepts]: Start accepts. Automaton has 36274 states and 40245 transitions. Word has length 297 [2021-12-06 21:05:34,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:34,569 INFO L470 AbstractCegarLoop]: Abstraction has 36274 states and 40245 transitions. [2021-12-06 21:05:34,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 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 21:05:34,570 INFO L276 IsEmpty]: Start isEmpty. Operand 36274 states and 40245 transitions. [2021-12-06 21:05:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-12-06 21:05:34,597 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:34,597 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:05:34,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 21:05:34,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 21:05:34,799 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:34,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:34,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1039532014, now seen corresponding path program 1 times [2021-12-06 21:05:34,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:34,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316762182] [2021-12-06 21:05:34,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:34,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 121 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 21:05:35,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:35,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316762182] [2021-12-06 21:05:35,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316762182] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:05:35,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152678242] [2021-12-06 21:05:35,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:35,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:35,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:35,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:05:35,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 21:05:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:35,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:05:35,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:05:35,521 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 21:05:35,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:05:35,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152678242] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:35,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:05:35,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-06 21:05:35,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845094642] [2021-12-06 21:05:35,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:35,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:35,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:35,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:35,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:05:35,522 INFO L87 Difference]: Start difference. First operand 36274 states and 40245 transitions. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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 21:05:36,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:36,037 INFO L93 Difference]: Finished difference Result 77020 states and 85888 transitions. [2021-12-06 21:05:36,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:36,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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 314 [2021-12-06 21:05:36,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:36,073 INFO L225 Difference]: With dead ends: 77020 [2021-12-06 21:05:36,073 INFO L226 Difference]: Without dead ends: 41154 [2021-12-06 21:05:36,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:05:36,089 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 79 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:36,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 282 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:05:36,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41154 states. [2021-12-06 21:05:36,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41154 to 41146. [2021-12-06 21:05:36,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41146 states, 41145 states have (on average 1.1140600315955766) internal successors, (45838), 41145 states have internal predecessors, (45838), 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 21:05:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41146 states to 41146 states and 45838 transitions. [2021-12-06 21:05:36,488 INFO L78 Accepts]: Start accepts. Automaton has 41146 states and 45838 transitions. Word has length 314 [2021-12-06 21:05:36,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:36,489 INFO L470 AbstractCegarLoop]: Abstraction has 41146 states and 45838 transitions. [2021-12-06 21:05:36,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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 21:05:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 41146 states and 45838 transitions. [2021-12-06 21:05:36,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-12-06 21:05:36,523 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:36,523 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 21:05:36,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 21:05:36,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:36,726 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:36,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:36,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1562967734, now seen corresponding path program 1 times [2021-12-06 21:05:36,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:36,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936213836] [2021-12-06 21:05:36,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:36,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-12-06 21:05:36,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:36,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936213836] [2021-12-06 21:05:36,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936213836] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:36,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:36,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:05:36,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244730175] [2021-12-06 21:05:36,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:36,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:36,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:36,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:36,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:05:36,853 INFO L87 Difference]: Start difference. First operand 41146 states and 45838 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 2 states have internal predecessors, (263), 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 21:05:37,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:37,364 INFO L93 Difference]: Finished difference Result 94721 states and 105590 transitions. [2021-12-06 21:05:37,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:37,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 2 states have internal predecessors, (263), 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 384 [2021-12-06 21:05:37,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:37,469 INFO L225 Difference]: With dead ends: 94721 [2021-12-06 21:05:37,469 INFO L226 Difference]: Without dead ends: 53983 [2021-12-06 21:05:37,482 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 21:05:37,482 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 155 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:37,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 126 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 21:05:37,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53983 states. [2021-12-06 21:05:37,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53983 to 49475. [2021-12-06 21:05:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49475 states, 49474 states have (on average 1.1135545943323766) internal successors, (55092), 49474 states have internal predecessors, (55092), 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 21:05:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49475 states to 49475 states and 55092 transitions. [2021-12-06 21:05:38,009 INFO L78 Accepts]: Start accepts. Automaton has 49475 states and 55092 transitions. Word has length 384 [2021-12-06 21:05:38,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:38,009 INFO L470 AbstractCegarLoop]: Abstraction has 49475 states and 55092 transitions. [2021-12-06 21:05:38,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 2 states have internal predecessors, (263), 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 21:05:38,009 INFO L276 IsEmpty]: Start isEmpty. Operand 49475 states and 55092 transitions. [2021-12-06 21:05:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-12-06 21:05:38,047 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:38,047 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 21:05:38,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 21:05:38,047 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:38,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash -493270935, now seen corresponding path program 1 times [2021-12-06 21:05:38,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:38,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090135890] [2021-12-06 21:05:38,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:38,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 204 proven. 6 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2021-12-06 21:05:38,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:38,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090135890] [2021-12-06 21:05:38,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090135890] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:05:38,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670781805] [2021-12-06 21:05:38,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:38,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:38,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:38,180 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:05:38,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 21:05:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:38,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:05:38,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:05:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2021-12-06 21:05:38,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:05:38,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670781805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:38,681 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:05:38,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 21:05:38,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438972318] [2021-12-06 21:05:38,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:38,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:38,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:38,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:38,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:05:38,683 INFO L87 Difference]: Start difference. First operand 49475 states and 55092 transitions. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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 21:05:39,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:39,173 INFO L93 Difference]: Finished difference Result 137642 states and 153225 transitions. [2021-12-06 21:05:39,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:39,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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 414 [2021-12-06 21:05:39,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:39,260 INFO L225 Difference]: With dead ends: 137642 [2021-12-06 21:05:39,260 INFO L226 Difference]: Without dead ends: 88981 [2021-12-06 21:05:39,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 413 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 21:05:39,293 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 228 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:39,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [228 Valid, 497 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:05:39,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88981 states. [2021-12-06 21:05:40,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88981 to 88976. [2021-12-06 21:05:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88976 states, 88975 states have (on average 1.111851643720146) internal successors, (98927), 88975 states have internal predecessors, (98927), 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 21:05:40,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88976 states to 88976 states and 98927 transitions. [2021-12-06 21:05:40,238 INFO L78 Accepts]: Start accepts. Automaton has 88976 states and 98927 transitions. Word has length 414 [2021-12-06 21:05:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:40,238 INFO L470 AbstractCegarLoop]: Abstraction has 88976 states and 98927 transitions. [2021-12-06 21:05:40,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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 21:05:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand 88976 states and 98927 transitions. [2021-12-06 21:05:40,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-12-06 21:05:40,287 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:40,287 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 21:05:40,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 21:05:40,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:40,490 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:40,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:40,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1425788597, now seen corresponding path program 1 times [2021-12-06 21:05:40,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:40,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518358340] [2021-12-06 21:05:40,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:40,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:40,621 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 190 proven. 6 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-12-06 21:05:40,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:40,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518358340] [2021-12-06 21:05:40,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518358340] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:05:40,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820481484] [2021-12-06 21:05:40,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:40,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:40,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:40,623 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:05:40,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 21:05:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:40,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 21:05:40,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:05:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-12-06 21:05:41,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:05:41,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820481484] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:41,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:05:41,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 21:05:41,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711004596] [2021-12-06 21:05:41,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:41,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:41,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:41,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:41,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:05:41,082 INFO L87 Difference]: Start difference. First operand 88976 states and 98927 transitions. Second operand has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 21:05:41,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:41,977 INFO L93 Difference]: Finished difference Result 177153 states and 197026 transitions. [2021-12-06 21:05:41,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:41,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 420 [2021-12-06 21:05:41,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:42,060 INFO L225 Difference]: With dead ends: 177153 [2021-12-06 21:05:42,060 INFO L226 Difference]: Without dead ends: 88991 [2021-12-06 21:05:42,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 422 GetRequests, 419 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 21:05:42,093 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 159 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:42,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [159 Valid, 113 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:05:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88991 states. [2021-12-06 21:05:42,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88991 to 88976. [2021-12-06 21:05:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88976 states, 88975 states have (on average 1.0987693172239392) internal successors, (97763), 88975 states have internal predecessors, (97763), 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 21:05:43,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88976 states to 88976 states and 97763 transitions. [2021-12-06 21:05:43,018 INFO L78 Accepts]: Start accepts. Automaton has 88976 states and 97763 transitions. Word has length 420 [2021-12-06 21:05:43,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:43,018 INFO L470 AbstractCegarLoop]: Abstraction has 88976 states and 97763 transitions. [2021-12-06 21:05:43,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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 21:05:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 88976 states and 97763 transitions. [2021-12-06 21:05:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-12-06 21:05:43,065 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:43,065 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:43,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 21:05:43,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-06 21:05:43,268 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:43,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:43,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1785867775, now seen corresponding path program 1 times [2021-12-06 21:05:43,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:43,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657538154] [2021-12-06 21:05:43,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:43,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 269 proven. 95 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-06 21:05:43,578 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:43,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657538154] [2021-12-06 21:05:43,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657538154] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:05:43,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523151012] [2021-12-06 21:05:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:43,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:43,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:43,579 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:05:43,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 21:05:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:43,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 21:05:43,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:05:44,018 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 364 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-06 21:05:44,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:05:44,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523151012] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:44,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:05:44,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-06 21:05:44,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054640877] [2021-12-06 21:05:44,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:44,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:44,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:44,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:44,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:05:44,020 INFO L87 Difference]: Start difference. First operand 88976 states and 97763 transitions. Second operand has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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 21:05:44,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:44,672 INFO L93 Difference]: Finished difference Result 167122 states and 183334 transitions. [2021-12-06 21:05:44,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:44,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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 423 [2021-12-06 21:05:44,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:44,884 INFO L225 Difference]: With dead ends: 167122 [2021-12-06 21:05:44,884 INFO L226 Difference]: Without dead ends: 78960 [2021-12-06 21:05:44,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:05:44,903 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 132 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:44,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 303 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:05:44,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78960 states. [2021-12-06 21:05:45,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78960 to 75911. [2021-12-06 21:05:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75911 states, 75910 states have (on average 1.0786325912264523) internal successors, (81879), 75910 states have internal predecessors, (81879), 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 21:05:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75911 states to 75911 states and 81879 transitions. [2021-12-06 21:05:45,827 INFO L78 Accepts]: Start accepts. Automaton has 75911 states and 81879 transitions. Word has length 423 [2021-12-06 21:05:45,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:45,827 INFO L470 AbstractCegarLoop]: Abstraction has 75911 states and 81879 transitions. [2021-12-06 21:05:45,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.66666666666666) internal successors, (392), 3 states have internal predecessors, (392), 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 21:05:45,827 INFO L276 IsEmpty]: Start isEmpty. Operand 75911 states and 81879 transitions. [2021-12-06 21:05:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-12-06 21:05:45,885 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:45,885 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:45,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-06 21:05:46,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-06 21:05:46,088 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:46,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:46,089 INFO L85 PathProgramCache]: Analyzing trace with hash 787184307, now seen corresponding path program 1 times [2021-12-06 21:05:46,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:46,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229958956] [2021-12-06 21:05:46,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:46,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2021-12-06 21:05:46,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:46,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229958956] [2021-12-06 21:05:46,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229958956] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:46,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:46,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:05:46,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298511619] [2021-12-06 21:05:46,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:46,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:05:46,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:46,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:05:46,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:46,355 INFO L87 Difference]: Start difference. First operand 75911 states and 81879 transitions. Second operand has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 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 21:05:47,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:47,250 INFO L93 Difference]: Finished difference Result 158997 states and 171829 transitions. [2021-12-06 21:05:47,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 21:05:47,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 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 429 [2021-12-06 21:05:47,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:47,328 INFO L225 Difference]: With dead ends: 158997 [2021-12-06 21:05:47,328 INFO L226 Difference]: Without dead ends: 84103 [2021-12-06 21:05:47,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:47,358 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 341 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:47,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [341 Valid, 110 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:05:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84103 states. [2021-12-06 21:05:48,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84103 to 84063. [2021-12-06 21:05:48,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84063 states, 84062 states have (on average 1.0770859603625895) internal successors, (90542), 84062 states have internal predecessors, (90542), 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 21:05:48,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84063 states to 84063 states and 90542 transitions. [2021-12-06 21:05:48,288 INFO L78 Accepts]: Start accepts. Automaton has 84063 states and 90542 transitions. Word has length 429 [2021-12-06 21:05:48,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:48,288 INFO L470 AbstractCegarLoop]: Abstraction has 84063 states and 90542 transitions. [2021-12-06 21:05:48,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.0) internal successors, (288), 3 states have internal predecessors, (288), 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 21:05:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand 84063 states and 90542 transitions. [2021-12-06 21:05:48,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-12-06 21:05:48,337 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:48,337 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 21:05:48,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 21:05:48,338 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:48,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:48,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1288204574, now seen corresponding path program 1 times [2021-12-06 21:05:48,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:48,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777257178] [2021-12-06 21:05:48,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:48,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:48,458 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 311 proven. 29 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2021-12-06 21:05:48,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:48,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777257178] [2021-12-06 21:05:48,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777257178] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:05:48,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296023074] [2021-12-06 21:05:48,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:48,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:48,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:05:48,460 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:05:48,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 21:05:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:48,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 21:05:48,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:05:48,904 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 340 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2021-12-06 21:05:48,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:05:48,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296023074] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:48,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:05:48,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 21:05:48,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249716279] [2021-12-06 21:05:48,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:48,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:05:48,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:48,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:05:48,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:05:48,906 INFO L87 Difference]: Start difference. First operand 84063 states and 90542 transitions. Second operand has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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 21:05:49,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:49,559 INFO L93 Difference]: Finished difference Result 159995 states and 172351 transitions. [2021-12-06 21:05:49,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:05:49,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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 453 [2021-12-06 21:05:49,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:49,630 INFO L225 Difference]: With dead ends: 159995 [2021-12-06 21:05:49,630 INFO L226 Difference]: Without dead ends: 76949 [2021-12-06 21:05:49,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 455 GetRequests, 452 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 21:05:49,662 INFO L933 BasicCegarLoop]: 280 mSDtfsCounter, 209 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:49,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 295 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 21:05:49,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76949 states. [2021-12-06 21:05:50,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76949 to 70843. [2021-12-06 21:05:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70843 states, 70842 states have (on average 1.0643403630614607) internal successors, (75400), 70842 states have internal predecessors, (75400), 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 21:05:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70843 states to 70843 states and 75400 transitions. [2021-12-06 21:05:50,479 INFO L78 Accepts]: Start accepts. Automaton has 70843 states and 75400 transitions. Word has length 453 [2021-12-06 21:05:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:50,479 INFO L470 AbstractCegarLoop]: Abstraction has 70843 states and 75400 transitions. [2021-12-06 21:05:50,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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 21:05:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 70843 states and 75400 transitions. [2021-12-06 21:05:50,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-06 21:05:50,524 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:50,524 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 21:05:50,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 21:05:50,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:05:50,726 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:50,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:50,728 INFO L85 PathProgramCache]: Analyzing trace with hash 236642471, now seen corresponding path program 1 times [2021-12-06 21:05:50,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:50,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211982274] [2021-12-06 21:05:50,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:50,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 473 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-12-06 21:05:50,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:50,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211982274] [2021-12-06 21:05:50,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211982274] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:50,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:50,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:05:50,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540342956] [2021-12-06 21:05:50,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:50,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:05:50,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:50,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:05:50,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:50,936 INFO L87 Difference]: Start difference. First operand 70843 states and 75400 transitions. Second operand has 4 states, 4 states have (on average 103.25) internal successors, (413), 3 states have internal predecessors, (413), 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 21:05:51,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:51,970 INFO L93 Difference]: Finished difference Result 198448 states and 211001 transitions. [2021-12-06 21:05:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 21:05:51,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 3 states have internal predecessors, (413), 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 473 [2021-12-06 21:05:51,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:52,107 INFO L225 Difference]: With dead ends: 198448 [2021-12-06 21:05:52,107 INFO L226 Difference]: Without dead ends: 128622 [2021-12-06 21:05:52,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:52,140 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 313 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:52,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [313 Valid, 431 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 21:05:52,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128622 states. [2021-12-06 21:05:53,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128622 to 122108. [2021-12-06 21:05:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122108 states, 122107 states have (on average 1.0633051340218005) internal successors, (129837), 122107 states have internal predecessors, (129837), 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 21:05:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122108 states to 122108 states and 129837 transitions. [2021-12-06 21:05:53,660 INFO L78 Accepts]: Start accepts. Automaton has 122108 states and 129837 transitions. Word has length 473 [2021-12-06 21:05:53,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:53,661 INFO L470 AbstractCegarLoop]: Abstraction has 122108 states and 129837 transitions. [2021-12-06 21:05:53,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.25) internal successors, (413), 3 states have internal predecessors, (413), 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 21:05:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 122108 states and 129837 transitions. [2021-12-06 21:05:53,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2021-12-06 21:05:53,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:05:53,713 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 21:05:53,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 21:05:53,714 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:05:53,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:05:53,714 INFO L85 PathProgramCache]: Analyzing trace with hash 65683284, now seen corresponding path program 1 times [2021-12-06 21:05:53,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:05:53,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497739733] [2021-12-06 21:05:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:05:53,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:05:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:05:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 570 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-06 21:05:53,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:05:53,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497739733] [2021-12-06 21:05:53,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497739733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:05:53,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:05:53,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 21:05:53,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312135984] [2021-12-06 21:05:53,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:05:53,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 21:05:53,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:05:53,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 21:05:53,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:53,908 INFO L87 Difference]: Start difference. First operand 122108 states and 129837 transitions. Second operand has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 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 21:05:55,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:05:55,236 INFO L93 Difference]: Finished difference Result 273746 states and 291742 transitions. [2021-12-06 21:05:55,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 21:05:55,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 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 505 [2021-12-06 21:05:55,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:05:55,237 INFO L225 Difference]: With dead ends: 273746 [2021-12-06 21:05:55,237 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 21:05:55,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 21:05:55,289 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 302 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 21:05:55,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 100 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 21:05:55,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 21:05:55,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 21:05:55,289 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 21:05:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 21:05:55,290 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 505 [2021-12-06 21:05:55,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:05:55,290 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:05:55,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.25) internal successors, (469), 4 states have internal predecessors, (469), 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 21:05:55,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 21:05:55,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 21:05:55,292 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 21:05:55,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 21:05:55,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 21:06:10,099 WARN L227 SmtUtils]: Spent 14.80s on a formula simplification. DAG size of input: 772 DAG size of output: 772 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 21:06:24,129 WARN L227 SmtUtils]: Spent 14.02s on a formula simplification. DAG size of input: 772 DAG size of output: 772 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 21:06:31,207 WARN L227 SmtUtils]: Spent 7.07s on a formula simplification. DAG size of input: 772 DAG size of output: 84 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 21:06:38,100 WARN L227 SmtUtils]: Spent 6.89s on a formula simplification. DAG size of input: 772 DAG size of output: 84 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-06 21:06:38,102 INFO L858 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-12-06 21:06:38,102 INFO L858 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,103 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,104 INFO L858 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-12-06 21:06:38,105 INFO L858 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,106 INFO L858 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,107 INFO L858 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,108 INFO L858 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-12-06 21:06:38,109 INFO L858 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,110 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,111 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,112 INFO L858 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1597) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,113 INFO L858 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,114 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-12-06 21:06:38,115 INFO L858 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-12-06 21:06:38,116 INFO L858 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-12-06 21:06:38,116 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,116 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,116 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,116 INFO L854 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse8 (= ~a3~0 1)) (.cse18 (<= ~a20~0 0)) (.cse12 (<= ~a17~0 0)) (.cse11 (= ~a12~0 1)) (.cse7 (= ~a11~0 0)) (.cse9 (<= ~a27~0 0)) (.cse1 (<= ~a3~0 0)) (.cse14 (= ~a15~0 1)) (.cse13 (= ~a16~0 1)) (.cse15 (= ~a6~0 1)) (.cse16 (= ~a12~0 ~a6~0)) (.cse10 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse17 (<= 2 ~a3~0)) (.cse2 (= ~a11~0 1)) (.cse3 (= ~a6~0 0)) (.cse4 (<= ~a12~0 0)) (.cse5 (= ~a27~0 1)) (.cse6 (= ~a18~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse7 .cse8 .cse4 .cse6 .cse9) (and .cse10 .cse0 .cse11 .cse2 .cse3 .cse12 .cse5 .cse6) (and .cse0 .cse13 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse14 .cse0 .cse1 .cse2 .cse12 .cse15 .cse5 .cse16 .cse6) (and .cse0 .cse17 .cse2 .cse15 .cse4 .cse5 .cse6) (and .cse14 .cse10 .cse0 .cse7 .cse15 .cse5 .cse16 .cse6) (and .cse0 .cse11 .cse7 .cse15 .cse6 .cse9) (and .cse18 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse11 .cse17 .cse7 .cse15 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse7 .cse4 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse17 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse11 .cse13 .cse2 .cse8 .cse15 .cse6 .cse9) (and .cse10 .cse0 .cse11 .cse12 .cse7 .cse15 .cse5 .cse6) (and .cse0 .cse17 .cse2 .cse15 .cse4 .cse6 .cse9) (and .cse0 .cse11 .cse17 .cse13 .cse2 .cse12 .cse15 .cse5 .cse6) (and .cse0 .cse11 .cse2 .cse3 .cse6 .cse9) (and .cse14 .cse10 .cse0 .cse2 .cse3 .cse5 .cse16 .cse6) (and .cse0 .cse13 .cse2 .cse15 .cse4 .cse6 .cse9) (and .cse10 .cse0 .cse11 .cse3 .cse7 .cse5 .cse6) (and .cse18 .cse0 .cse2 .cse15 .cse4 .cse6 .cse9) (and .cse10 .cse0 .cse2 .cse15 .cse4 .cse5 .cse6) (and .cse18 .cse0 .cse3 .cse7 .cse4 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse1 .cse2 .cse15 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse6 .cse9) (and .cse0 .cse7 .cse15 .cse4 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse17 .cse13 .cse2 .cse15 .cse5 .cse6) (and .cse0 .cse11 .cse1 .cse3 .cse7 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse15 .cse4 .cse6 .cse9) (and .cse18 .cse0 (<= ~a3~0 1) .cse3 .cse12 .cse7 .cse4 .cse6 .cse9) (and .cse0 .cse11 .cse17 .cse3 .cse7 .cse6 .cse9) (and .cse0 .cse11 .cse17 .cse3 .cse7 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse1 .cse7 .cse15 .cse5 .cse6) (and .cse0 .cse11 .cse1 .cse2 .cse15 .cse6 .cse9) (and .cse0 .cse7 .cse15 .cse4 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse15 .cse4 .cse5 .cse6) (and .cse14 .cse10 .cse0 .cse13 .cse2 .cse15 .cse5 .cse16 .cse6) (and .cse10 .cse0 .cse17 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-12-06 21:06:38,116 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,116 INFO L858 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L861 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,117 INFO L858 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,118 INFO L858 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,119 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-12-06 21:06:38,119 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-12-06 21:06:38,119 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,119 INFO L854 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse8 (= ~a3~0 1)) (.cse18 (<= ~a20~0 0)) (.cse12 (<= ~a17~0 0)) (.cse11 (= ~a12~0 1)) (.cse7 (= ~a11~0 0)) (.cse9 (<= ~a27~0 0)) (.cse1 (<= ~a3~0 0)) (.cse14 (= ~a15~0 1)) (.cse13 (= ~a16~0 1)) (.cse15 (= ~a6~0 1)) (.cse16 (= ~a12~0 ~a6~0)) (.cse10 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse17 (<= 2 ~a3~0)) (.cse2 (= ~a11~0 1)) (.cse3 (= ~a6~0 0)) (.cse4 (<= ~a12~0 0)) (.cse5 (= ~a27~0 1)) (.cse6 (= ~a18~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse3 .cse7 .cse8 .cse4 .cse6 .cse9) (and .cse10 .cse0 .cse11 .cse2 .cse3 .cse12 .cse5 .cse6) (and .cse0 .cse13 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse14 .cse0 .cse1 .cse2 .cse12 .cse15 .cse5 .cse16 .cse6) (and .cse0 .cse17 .cse2 .cse15 .cse4 .cse5 .cse6) (and .cse14 .cse10 .cse0 .cse7 .cse15 .cse5 .cse16 .cse6) (and .cse0 .cse11 .cse7 .cse15 .cse6 .cse9) (and .cse18 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse11 .cse17 .cse7 .cse15 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse7 .cse4 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse17 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse11 .cse13 .cse2 .cse8 .cse15 .cse6 .cse9) (and .cse10 .cse0 .cse11 .cse12 .cse7 .cse15 .cse5 .cse6) (and .cse0 .cse17 .cse2 .cse15 .cse4 .cse6 .cse9) (and .cse0 .cse11 .cse17 .cse13 .cse2 .cse12 .cse15 .cse5 .cse6) (and .cse0 .cse11 .cse2 .cse3 .cse6 .cse9) (and .cse14 .cse10 .cse0 .cse2 .cse3 .cse5 .cse16 .cse6) (and .cse0 .cse13 .cse2 .cse15 .cse4 .cse6 .cse9) (and .cse10 .cse0 .cse11 .cse3 .cse7 .cse5 .cse6) (and .cse18 .cse0 .cse2 .cse15 .cse4 .cse6 .cse9) (and .cse10 .cse0 .cse2 .cse15 .cse4 .cse5 .cse6) (and .cse18 .cse0 .cse3 .cse7 .cse4 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse1 .cse2 .cse15 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse6 .cse9) (and .cse0 .cse7 .cse15 .cse4 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse17 .cse13 .cse2 .cse15 .cse5 .cse6) (and .cse0 .cse11 .cse1 .cse3 .cse7 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse15 .cse4 .cse6 .cse9) (and .cse18 .cse0 (<= ~a3~0 1) .cse3 .cse12 .cse7 .cse4 .cse6 .cse9) (and .cse0 .cse11 .cse17 .cse3 .cse7 .cse6 .cse9) (and .cse0 .cse11 .cse17 .cse3 .cse7 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse1 .cse7 .cse15 .cse5 .cse6) (and .cse0 .cse11 .cse1 .cse2 .cse15 .cse6 .cse9) (and .cse0 .cse7 .cse15 .cse4 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse15 .cse4 .cse5 .cse6) (and .cse14 .cse10 .cse0 .cse13 .cse2 .cse15 .cse5 .cse16 .cse6) (and .cse10 .cse0 .cse17 .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-12-06 21:06:38,119 INFO L858 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,119 INFO L858 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,119 INFO L858 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,119 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,119 INFO L858 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-12-06 21:06:38,119 INFO L858 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-12-06 21:06:38,119 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-12-06 21:06:38,120 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,121 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-12-06 21:06:38,122 INFO L858 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-12-06 21:06:38,123 INFO L858 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-12-06 21:06:38,124 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,125 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,125 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,125 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,125 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-12-06 21:06:38,125 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-12-06 21:06:38,125 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-12-06 21:06:38,125 INFO L858 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,125 INFO L858 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,125 INFO L858 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-12-06 21:06:38,128 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:06:38,129 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 21:06:38,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 09:06:38 BoogieIcfgContainer [2021-12-06 21:06:38,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 21:06:38,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:06:38,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:06:38,160 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:06:38,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:05:21" (3/4) ... [2021-12-06 21:06:38,163 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 21:06:38,189 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 21:06:38,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 21:06:38,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 21:06:38,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 21:06:38,336 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 21:06:38,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:06:38,336 INFO L158 Benchmark]: Toolchain (without parser) took 78777.49ms. Allocated memory was 102.8MB in the beginning and 6.8GB in the end (delta: 6.7GB). Free memory was 62.9MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 5.6GB. Max. memory is 16.1GB. [2021-12-06 21:06:38,337 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:06:38,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.96ms. Allocated memory is still 102.8MB. Free memory was 62.7MB in the beginning and 57.2MB in the end (delta: 5.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-12-06 21:06:38,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.73ms. Allocated memory is still 102.8MB. Free memory was 57.2MB in the beginning and 42.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 21:06:38,337 INFO L158 Benchmark]: Boogie Preprocessor took 83.77ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 42.5MB in the beginning and 79.2MB in the end (delta: -36.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-12-06 21:06:38,338 INFO L158 Benchmark]: RCFGBuilder took 1100.78ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 79.2MB in the beginning and 105.9MB in the end (delta: -26.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2021-12-06 21:06:38,338 INFO L158 Benchmark]: TraceAbstraction took 76615.21ms. Allocated memory was 153.1MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 105.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 6.0GB. Max. memory is 16.1GB. [2021-12-06 21:06:38,338 INFO L158 Benchmark]: Witness Printer took 176.22ms. Allocated memory is still 6.8GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-06 21:06:38,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.96ms. Allocated memory is still 102.8MB. Free memory was 62.7MB in the beginning and 57.2MB in the end (delta: 5.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.73ms. Allocated memory is still 102.8MB. Free memory was 57.2MB in the beginning and 42.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.77ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 42.5MB in the beginning and 79.2MB in the end (delta: -36.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1100.78ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 79.2MB in the beginning and 105.9MB in the end (delta: -26.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 76615.21ms. Allocated memory was 153.1MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 105.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 6.0GB. Max. memory is 16.1GB. * Witness Printer took 176.22ms. Allocated memory is still 6.8GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 37.7MB). 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: 1597]: 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: 76.5s, OverallIterations: 21, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 14.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 42.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4359 SdHoareTripleChecker+Valid, 9.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4359 mSDsluCounter, 4580 SdHoareTripleChecker+Invalid, 7.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1068 mSDsCounter, 1914 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12553 IncrementalHoareTripleChecker+Invalid, 14467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1914 mSolverCounterUnsat, 3512 mSDtfsCounter, 12553 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3346 GetRequests, 3296 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122108occurred in iteration=20, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.9s AutomataMinimizationTime, 21 MinimizatonAttempts, 20347 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 1175 NumberOfFragments, 1809 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2184 FormulaSimplificationTreeSizeReduction, 28.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 48304 FormulaSimplificationTreeSizeReductionInter, 14.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 9819 NumberOfCodeBlocks, 9819 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 9788 ConstructedInterpolants, 0 QuantifiedInterpolants, 34915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 6230 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 7814/7992 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 <= 0) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a18 == 1) || ((((((a5 == 1 && a6 == 0) && a11 == 0) && a3 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 0) && a17 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((((a15 == 1 && a5 == 1) && a3 <= 0) && a11 == 1) && a17 <= 0) && a6 == 1) && a27 == 1) && a12 == a6) && a18 == 1)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a11 == 0) && a6 == 1) && a27 == 1) && a12 == a6) && a18 == 1)) || (((((a5 == 1 && a12 == 1) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || ((((((a20 <= 0 && a5 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 <= 0) && a6 == 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a6 == 0) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a3 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a17 <= 0) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((((a5 == 1 && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a17 <= 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a18 == 1) && a27 <= 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a11 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a18 == 1)) || ((((((a5 == 1 && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 0) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((((a20 <= 0 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a20 <= 0 && a5 == 1) && a6 == 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a11 == 1) && a6 == 0) && a12 <= 0) && a18 == 1) && a27 <= 0)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a6 == 0) && a11 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((((a20 <= 0 && a5 == 1) && a3 <= 1) && a6 == 0) && a17 <= 0) && a11 == 0) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a6 == 0) && a11 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a6 == 0) && a11 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a12 == a6) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a18 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a18 == 1) || ((((((a5 == 1 && a6 == 0) && a11 == 0) && a3 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 1) && a6 == 0) && a17 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((((a15 == 1 && a5 == 1) && a3 <= 0) && a11 == 1) && a17 <= 0) && a6 == 1) && a27 == 1) && a12 == a6) && a18 == 1)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a11 == 0) && a6 == 1) && a27 == 1) && a12 == a6) && a18 == 1)) || (((((a5 == 1 && a12 == 1) && a11 == 0) && a6 == 1) && a18 == 1) && a27 <= 0)) || ((((((a20 <= 0 && a5 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 <= 0) && a6 == 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a11 == 1) && a6 == 0) && a27 == 1) && a18 == 1)) || (((((((a5 == 1 && a12 == 1) && a16 == 1) && a11 == 1) && a3 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a17 <= 0) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && 2 <= a3) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((((a5 == 1 && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a17 <= 0) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a12 == 1) && a11 == 1) && a6 == 0) && a18 == 1) && a27 <= 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a11 == 1) && a6 == 0) && a27 == 1) && a12 == a6) && a18 == 1)) || ((((((a5 == 1 && a16 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a6 == 0) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((((a20 <= 0 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((a20 <= 0 && a5 == 1) && a6 == 0) && a11 == 0) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a11 == 1) && a6 == 0) && a12 <= 0) && a18 == 1) && a27 <= 0)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a6 == 0) && a11 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((((a20 <= 0 && a5 == 1) && a3 <= 1) && a6 == 0) && a17 <= 0) && a11 == 0) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a6 == 0) && a11 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && 2 <= a3) && a6 == 0) && a11 == 0) && a27 == 1) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 0) && a11 == 0) && a6 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a12 == 1) && a3 <= 0) && a11 == 1) && a6 == 1) && a18 == 1) && a27 <= 0)) || (((((a5 == 1 && a11 == 0) && a6 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a27 == 1) && a12 == a6) && a18 == 1)) || (((((((a26 == 1 && a5 == 1) && 2 <= a3) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1) && a18 == 1) RESULT: Ultimate proved your program to be correct! [2021-12-06 21:06:38,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f011601f-7b90-4dcc-9282-3aaddda1ed69/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