./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0 --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 7f151a13e47989a65c4ec5b5333c24fda53f0a15e0e3e933f79a23263bfef839 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:16:25,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:16:25,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:16:25,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:16:25,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:16:25,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:16:25,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:16:25,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:16:25,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:16:25,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:16:25,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:16:25,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:16:25,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:16:25,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:16:25,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:16:25,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:16:25,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:16:25,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:16:25,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:16:25,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:16:25,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:16:25,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:16:25,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:16:25,962 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:16:25,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:16:25,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:16:25,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:16:25,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:16:25,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:16:25,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:16:25,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:16:25,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:16:25,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:16:25,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:16:25,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:16:25,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:16:25,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:16:25,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:16:25,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:16:25,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:16:25,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:16:25,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:16:26,022 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:16:26,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:16:26,023 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:16:26,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:16:26,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:16:26,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:16:26,025 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:16:26,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:16:26,026 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:16:26,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:16:26,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:16:26,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:16:26,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:16:26,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:16:26,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:16:26,029 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:16:26,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:16:26,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:16:26,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:16:26,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:16:26,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:16:26,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:16:26,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:16:26,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:16:26,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:16:26,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:16:26,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:16:26,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:16:26,032 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:16:26,034 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:16:26,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:16:26,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:16:26,035 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_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f151a13e47989a65c4ec5b5333c24fda53f0a15e0e3e933f79a23263bfef839 [2021-11-22 15:16:26,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:16:26,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:16:26,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:16:26,363 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:16:26,364 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:16:26,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/eca-rers2012/Problem15_label10.c [2021-11-22 15:16:26,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/data/41167d31d/137b6f20ee89450d9a5fb6b5c361755c/FLAGd75b20a19 [2021-11-22 15:16:27,186 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:16:27,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/sv-benchmarks/c/eca-rers2012/Problem15_label10.c [2021-11-22 15:16:27,218 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/data/41167d31d/137b6f20ee89450d9a5fb6b5c361755c/FLAGd75b20a19 [2021-11-22 15:16:27,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/data/41167d31d/137b6f20ee89450d9a5fb6b5c361755c [2021-11-22 15:16:27,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:16:27,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:16:27,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:16:27,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:16:27,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:16:27,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:16:27" (1/1) ... [2021-11-22 15:16:27,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d381e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:27, skipping insertion in model container [2021-11-22 15:16:27,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:16:27" (1/1) ... [2021-11-22 15:16:27,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:16:27,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:16:27,744 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_9118c16d-3d00-4a80-8d7e-2a938c54b584/sv-benchmarks/c/eca-rers2012/Problem15_label10.c[4275,4288] [2021-11-22 15:16:28,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:16:28,362 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:16:28,410 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_9118c16d-3d00-4a80-8d7e-2a938c54b584/sv-benchmarks/c/eca-rers2012/Problem15_label10.c[4275,4288] [2021-11-22 15:16:28,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:16:28,741 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:16:28,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28 WrapperNode [2021-11-22 15:16:28,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:16:28,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:16:28,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:16:28,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:16:28,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (1/1) ... [2021-11-22 15:16:28,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (1/1) ... [2021-11-22 15:16:29,051 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-11-22 15:16:29,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:16:29,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:16:29,053 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:16:29,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:16:29,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (1/1) ... [2021-11-22 15:16:29,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (1/1) ... [2021-11-22 15:16:29,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (1/1) ... [2021-11-22 15:16:29,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (1/1) ... [2021-11-22 15:16:29,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (1/1) ... [2021-11-22 15:16:29,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (1/1) ... [2021-11-22 15:16:29,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (1/1) ... [2021-11-22 15:16:29,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:16:29,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:16:29,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:16:29,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:16:29,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (1/1) ... [2021-11-22 15:16:29,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:16:29,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:16:29,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:16:29,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:16:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:16:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:16:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:16:29,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:16:29,543 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:16:29,545 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:16:33,172 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:16:33,198 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:16:33,200 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 15:16:33,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:16:33 BoogieIcfgContainer [2021-11-22 15:16:33,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:16:33,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:16:33,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:16:33,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:16:33,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:16:27" (1/3) ... [2021-11-22 15:16:33,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2717c8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:16:33, skipping insertion in model container [2021-11-22 15:16:33,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:16:28" (2/3) ... [2021-11-22 15:16:33,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2717c8a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:16:33, skipping insertion in model container [2021-11-22 15:16:33,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:16:33" (3/3) ... [2021-11-22 15:16:33,217 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label10.c [2021-11-22 15:16:33,224 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:16:33,224 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-22 15:16:33,316 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:16:33,326 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 [2021-11-22 15:16:33,327 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-22 15:16:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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) [2021-11-22 15:16:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 15:16:33,384 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:16:33,385 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] [2021-11-22 15:16:33,386 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:16:33,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:16:33,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1089129850, now seen corresponding path program 1 times [2021-11-22 15:16:33,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:16:33,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548685978] [2021-11-22 15:16:33,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:16:33,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:16:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:16:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:16:33,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:16:33,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548685978] [2021-11-22 15:16:33,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548685978] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:16:33,635 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:16:33,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:16:33,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271100615] [2021-11-22 15:16:33,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:16:33,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:16:33,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:16:33,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:16:33,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:33,680 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-11-22 15:16:36,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:16:36,760 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions. [2021-11-22 15:16:36,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:16:36,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 34 [2021-11-22 15:16:36,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:16:36,781 INFO L225 Difference]: With dead ends: 1154 [2021-11-22 15:16:36,781 INFO L226 Difference]: Without dead ends: 665 [2021-11-22 15:16:36,787 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 [2021-11-22 15:16:36,791 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 287 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:16:36,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 383 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-22 15:16:36,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-11-22 15:16:36,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663. [2021-11-22 15:16:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 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) [2021-11-22 15:16:36,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions. [2021-11-22 15:16:36,922 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 34 [2021-11-22 15:16:36,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:16:36,923 INFO L470 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions. [2021-11-22 15:16:36,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-11-22 15:16:36,924 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions. [2021-11-22 15:16:36,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 15:16:36,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:16:36,933 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, 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] [2021-11-22 15:16:36,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:16:36,935 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:16:36,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:16:36,937 INFO L85 PathProgramCache]: Analyzing trace with hash 513841653, now seen corresponding path program 1 times [2021-11-22 15:16:36,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:16:36,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516527528] [2021-11-22 15:16:36,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:16:36,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:16:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:16:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:16:37,259 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:16:37,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516527528] [2021-11-22 15:16:37,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516527528] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:16:37,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:16:37,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:16:37,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379900086] [2021-11-22 15:16:37,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:16:37,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:16:37,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:16:37,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:16:37,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:37,267 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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) [2021-11-22 15:16:38,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:16:38,975 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions. [2021-11-22 15:16:38,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:16:38,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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 99 [2021-11-22 15:16:38,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:16:38,982 INFO L225 Difference]: With dead ends: 1624 [2021-11-22 15:16:38,983 INFO L226 Difference]: Without dead ends: 963 [2021-11-22 15:16:38,987 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 [2021-11-22 15:16:38,989 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:16:38,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-22 15:16:38,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-11-22 15:16:39,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2021-11-22 15:16:39,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 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) [2021-11-22 15:16:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions. [2021-11-22 15:16:39,029 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 99 [2021-11-22 15:16:39,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:16:39,030 INFO L470 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions. [2021-11-22 15:16:39,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 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) [2021-11-22 15:16:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions. [2021-11-22 15:16:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 15:16:39,033 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:16:39,033 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, 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] [2021-11-22 15:16:39,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:16:39,034 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:16:39,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:16:39,034 INFO L85 PathProgramCache]: Analyzing trace with hash 226015812, now seen corresponding path program 1 times [2021-11-22 15:16:39,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:16:39,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301879455] [2021-11-22 15:16:39,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:16:39,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:16:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:16:39,141 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:16:39,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:16:39,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301879455] [2021-11-22 15:16:39,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301879455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:16:39,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:16:39,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:16:39,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126594791] [2021-11-22 15:16:39,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:16:39,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:16:39,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:16:39,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:16:39,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:16:39,145 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2021-11-22 15:16:42,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:16:42,138 INFO L93 Difference]: Finished difference Result 2244 states and 3201 transitions. [2021-11-22 15:16:42,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:16:42,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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 104 [2021-11-22 15:16:42,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:16:42,148 INFO L225 Difference]: With dead ends: 2244 [2021-11-22 15:16:42,149 INFO L226 Difference]: Without dead ends: 1582 [2021-11-22 15:16:42,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:16:42,152 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 361 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 2146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 482 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:16:42,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [361 Valid, 366 Invalid, 2146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [482 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-11-22 15:16:42,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2021-11-22 15:16:42,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1266. [2021-11-22 15:16:42,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 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) [2021-11-22 15:16:42,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions. [2021-11-22 15:16:42,192 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 104 [2021-11-22 15:16:42,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:16:42,193 INFO L470 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions. [2021-11-22 15:16:42,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 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) [2021-11-22 15:16:42,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions. [2021-11-22 15:16:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-22 15:16:42,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:16:42,198 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 15:16:42,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:16:42,198 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:16:42,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:16:42,199 INFO L85 PathProgramCache]: Analyzing trace with hash 527806185, now seen corresponding path program 1 times [2021-11-22 15:16:42,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:16:42,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570220429] [2021-11-22 15:16:42,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:16:42,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:16:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:16:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:16:42,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:16:42,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570220429] [2021-11-22 15:16:42,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570220429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:16:42,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:16:42,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:16:42,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867584759] [2021-11-22 15:16:42,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:16:42,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:16:42,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:16:42,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:16:42,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:16:42,432 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 50.0) internal successors, (200), 3 states have internal predecessors, (200), 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) [2021-11-22 15:16:46,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:16:46,544 INFO L93 Difference]: Finished difference Result 4668 states and 6169 transitions. [2021-11-22 15:16:46,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:16:46,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 3 states have internal predecessors, (200), 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 200 [2021-11-22 15:16:46,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:16:46,566 INFO L225 Difference]: With dead ends: 4668 [2021-11-22 15:16:46,566 INFO L226 Difference]: Without dead ends: 3404 [2021-11-22 15:16:46,569 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 [2021-11-22 15:16:46,571 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 488 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 2237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:16:46,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 346 Invalid, 2237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1953 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-22 15:16:46,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3404 states. [2021-11-22 15:16:46,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3404 to 3381. [2021-11-22 15:16:46,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.2363905325443787) internal successors, (4179), 3380 states have internal predecessors, (4179), 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) [2021-11-22 15:16:46,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4179 transitions. [2021-11-22 15:16:46,677 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4179 transitions. Word has length 200 [2021-11-22 15:16:46,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:16:46,679 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4179 transitions. [2021-11-22 15:16:46,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 3 states have internal predecessors, (200), 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) [2021-11-22 15:16:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4179 transitions. [2021-11-22 15:16:46,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-22 15:16:46,686 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:16:46,687 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 15:16:46,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:16:46,688 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:16:46,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:16:46,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1817183713, now seen corresponding path program 1 times [2021-11-22 15:16:46,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:16:46,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683991795] [2021-11-22 15:16:46,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:16:46,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:16:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:16:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-22 15:16:46,910 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:16:46,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683991795] [2021-11-22 15:16:46,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683991795] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:16:46,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:16:46,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:16:46,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345042313] [2021-11-22 15:16:46,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:16:46,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:16:46,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:16:46,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:16:46,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:46,917 INFO L87 Difference]: Start difference. First operand 3381 states and 4179 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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) [2021-11-22 15:16:48,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:16:48,639 INFO L93 Difference]: Finished difference Result 8563 states and 10751 transitions. [2021-11-22 15:16:48,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:16:48,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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 204 [2021-11-22 15:16:48,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:16:48,673 INFO L225 Difference]: With dead ends: 8563 [2021-11-22 15:16:48,673 INFO L226 Difference]: Without dead ends: 5483 [2021-11-22 15:16:48,677 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 [2021-11-22 15:16:48,679 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:16:48,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 339 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-22 15:16:48,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states. [2021-11-22 15:16:48,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478. [2021-11-22 15:16:48,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1683403322987036) internal successors, (6399), 5477 states have internal predecessors, (6399), 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) [2021-11-22 15:16:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6399 transitions. [2021-11-22 15:16:48,835 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6399 transitions. Word has length 204 [2021-11-22 15:16:48,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:16:48,836 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6399 transitions. [2021-11-22 15:16:48,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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) [2021-11-22 15:16:48,837 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6399 transitions. [2021-11-22 15:16:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-22 15:16:48,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:16:48,847 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 15:16:48,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:16:48,848 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:16:48,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:16:48,849 INFO L85 PathProgramCache]: Analyzing trace with hash 224343269, now seen corresponding path program 1 times [2021-11-22 15:16:48,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:16:48,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327808507] [2021-11-22 15:16:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:16:48,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:16:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:16:49,062 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 15:16:49,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:16:49,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327808507] [2021-11-22 15:16:49,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327808507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:16:49,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:16:49,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:16:49,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354705159] [2021-11-22 15:16:49,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:16:49,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:16:49,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:16:49,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:16:49,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:49,065 INFO L87 Difference]: Start difference. First operand 5478 states and 6399 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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) [2021-11-22 15:16:51,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:16:51,061 INFO L93 Difference]: Finished difference Result 10655 states and 12485 transitions. [2021-11-22 15:16:51,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:16:51,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 306 [2021-11-22 15:16:51,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:16:51,091 INFO L225 Difference]: With dead ends: 10655 [2021-11-22 15:16:51,091 INFO L226 Difference]: Without dead ends: 5478 [2021-11-22 15:16:51,098 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 [2021-11-22 15:16:51,099 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:16:51,100 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-22 15:16:51,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states. [2021-11-22 15:16:51,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478. [2021-11-22 15:16:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1672448420668249) internal successors, (6393), 5477 states have internal predecessors, (6393), 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) [2021-11-22 15:16:51,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6393 transitions. [2021-11-22 15:16:51,315 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6393 transitions. Word has length 306 [2021-11-22 15:16:51,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:16:51,315 INFO L470 AbstractCegarLoop]: Abstraction has 5478 states and 6393 transitions. [2021-11-22 15:16:51,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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) [2021-11-22 15:16:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6393 transitions. [2021-11-22 15:16:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-22 15:16:51,323 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:16:51,324 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 15:16:51,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:16:51,325 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:16:51,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:16:51,326 INFO L85 PathProgramCache]: Analyzing trace with hash 559264950, now seen corresponding path program 1 times [2021-11-22 15:16:51,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:16:51,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794371506] [2021-11-22 15:16:51,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:16:51,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:16:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:16:51,500 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-22 15:16:51,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:16:51,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794371506] [2021-11-22 15:16:51,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794371506] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:16:51,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:16:51,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:16:51,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627381999] [2021-11-22 15:16:51,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:16:51,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:16:51,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:16:51,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:16:51,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:51,505 INFO L87 Difference]: Start difference. First operand 5478 states and 6393 transitions. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2021-11-22 15:16:53,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:16:53,640 INFO L93 Difference]: Finished difference Result 11851 states and 14145 transitions. [2021-11-22 15:16:53,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:16:53,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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 321 [2021-11-22 15:16:53,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:16:53,684 INFO L225 Difference]: With dead ends: 11851 [2021-11-22 15:16:53,684 INFO L226 Difference]: Without dead ends: 6674 [2021-11-22 15:16:53,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:53,697 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 281 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:16:53,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 322 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-22 15:16:53,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states. [2021-11-22 15:16:53,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 4577. [2021-11-22 15:16:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4577 states, 4576 states have (on average 1.1840034965034965) internal successors, (5418), 4576 states have internal predecessors, (5418), 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) [2021-11-22 15:16:53,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5418 transitions. [2021-11-22 15:16:53,908 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5418 transitions. Word has length 321 [2021-11-22 15:16:53,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:16:53,909 INFO L470 AbstractCegarLoop]: Abstraction has 4577 states and 5418 transitions. [2021-11-22 15:16:53,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2021-11-22 15:16:53,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5418 transitions. [2021-11-22 15:16:53,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-11-22 15:16:53,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:16:53,919 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:16:53,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 15:16:53,920 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:16:53,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:16:53,921 INFO L85 PathProgramCache]: Analyzing trace with hash 11227575, now seen corresponding path program 1 times [2021-11-22 15:16:53,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:16:53,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122500714] [2021-11-22 15:16:53,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:16:53,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:16:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:16:54,150 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-22 15:16:54,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:16:54,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122500714] [2021-11-22 15:16:54,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122500714] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:16:54,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:16:54,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:16:54,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830663656] [2021-11-22 15:16:54,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:16:54,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:16:54,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:16:54,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:16:54,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:54,154 INFO L87 Difference]: Start difference. First operand 4577 states and 5418 transitions. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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) [2021-11-22 15:16:56,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:16:56,457 INFO L93 Difference]: Finished difference Result 10955 states and 13233 transitions. [2021-11-22 15:16:56,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:16:56,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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 380 [2021-11-22 15:16:56,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:16:56,494 INFO L225 Difference]: With dead ends: 10955 [2021-11-22 15:16:56,494 INFO L226 Difference]: Without dead ends: 6679 [2021-11-22 15:16:56,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:56,501 INFO L933 BasicCegarLoop]: 600 mSDtfsCounter, 294 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:16:56,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [294 Valid, 637 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-22 15:16:56,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6679 states. [2021-11-22 15:16:56,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6679 to 6081. [2021-11-22 15:16:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6081 states, 6080 states have (on average 1.1572368421052632) internal successors, (7036), 6080 states have internal predecessors, (7036), 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) [2021-11-22 15:16:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6081 states to 6081 states and 7036 transitions. [2021-11-22 15:16:56,697 INFO L78 Accepts]: Start accepts. Automaton has 6081 states and 7036 transitions. Word has length 380 [2021-11-22 15:16:56,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:16:56,702 INFO L470 AbstractCegarLoop]: Abstraction has 6081 states and 7036 transitions. [2021-11-22 15:16:56,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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) [2021-11-22 15:16:56,704 INFO L276 IsEmpty]: Start isEmpty. Operand 6081 states and 7036 transitions. [2021-11-22 15:16:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2021-11-22 15:16:56,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:16:56,715 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:16:56,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 15:16:56,716 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:16:56,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:16:56,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1017767819, now seen corresponding path program 1 times [2021-11-22 15:16:56,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:16:56,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319980864] [2021-11-22 15:16:56,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:16:56,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:16:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:16:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:16:56,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:16:56,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319980864] [2021-11-22 15:16:56,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319980864] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:16:56,978 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:16:56,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:16:56,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911424866] [2021-11-22 15:16:56,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:16:56,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:16:56,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:16:56,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:16:56,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:56,981 INFO L87 Difference]: Start difference. First operand 6081 states and 7036 transitions. Second operand has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2021-11-22 15:16:58,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:16:58,721 INFO L93 Difference]: Finished difference Result 11857 states and 13761 transitions. [2021-11-22 15:16:58,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:16:58,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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 386 [2021-11-22 15:16:58,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:16:58,738 INFO L225 Difference]: With dead ends: 11857 [2021-11-22 15:16:58,738 INFO L226 Difference]: Without dead ends: 6077 [2021-11-22 15:16:58,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:58,746 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 314 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:16:58,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 144 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-22 15:16:58,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6077 states. [2021-11-22 15:16:58,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6077 to 6075. [2021-11-22 15:16:58,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6075 states, 6074 states have (on average 1.141751728679618) internal successors, (6935), 6074 states have internal predecessors, (6935), 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) [2021-11-22 15:16:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6075 states to 6075 states and 6935 transitions. [2021-11-22 15:16:58,845 INFO L78 Accepts]: Start accepts. Automaton has 6075 states and 6935 transitions. Word has length 386 [2021-11-22 15:16:58,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:16:58,846 INFO L470 AbstractCegarLoop]: Abstraction has 6075 states and 6935 transitions. [2021-11-22 15:16:58,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.66666666666666) internal successors, (386), 3 states have internal predecessors, (386), 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) [2021-11-22 15:16:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand 6075 states and 6935 transitions. [2021-11-22 15:16:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-11-22 15:16:58,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:16:58,856 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:16:58,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 15:16:58,857 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:16:58,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:16:58,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1956207138, now seen corresponding path program 1 times [2021-11-22 15:16:58,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:16:58,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146227550] [2021-11-22 15:16:58,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:16:58,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:16:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:16:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:16:59,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:16:59,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146227550] [2021-11-22 15:16:59,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146227550] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:16:59,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:16:59,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:16:59,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413619569] [2021-11-22 15:16:59,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:16:59,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:16:59,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:16:59,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:16:59,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:16:59,107 INFO L87 Difference]: Start difference. First operand 6075 states and 6935 transitions. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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) [2021-11-22 15:17:01,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:01,011 INFO L93 Difference]: Finished difference Result 13954 states and 16191 transitions. [2021-11-22 15:17:01,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:01,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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 397 [2021-11-22 15:17:01,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:01,036 INFO L225 Difference]: With dead ends: 13954 [2021-11-22 15:17:01,036 INFO L226 Difference]: Without dead ends: 8180 [2021-11-22 15:17:01,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:01,044 INFO L933 BasicCegarLoop]: 561 mSDtfsCounter, 247 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:01,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 599 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-22 15:17:01,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8180 states. [2021-11-22 15:17:01,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8180 to 7579. [2021-11-22 15:17:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7579 states, 7578 states have (on average 1.1307732911058326) internal successors, (8569), 7578 states have internal predecessors, (8569), 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) [2021-11-22 15:17:01,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7579 states to 7579 states and 8569 transitions. [2021-11-22 15:17:01,161 INFO L78 Accepts]: Start accepts. Automaton has 7579 states and 8569 transitions. Word has length 397 [2021-11-22 15:17:01,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:01,162 INFO L470 AbstractCegarLoop]: Abstraction has 7579 states and 8569 transitions. [2021-11-22 15:17:01,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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) [2021-11-22 15:17:01,162 INFO L276 IsEmpty]: Start isEmpty. Operand 7579 states and 8569 transitions. [2021-11-22 15:17:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2021-11-22 15:17:01,170 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:01,171 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:01,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 15:17:01,172 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:01,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:01,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1857017877, now seen corresponding path program 1 times [2021-11-22 15:17:01,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:01,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589893770] [2021-11-22 15:17:01,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:01,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-22 15:17:01,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:01,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589893770] [2021-11-22 15:17:01,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589893770] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:01,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:17:01,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:17:01,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302408700] [2021-11-22 15:17:01,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:01,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:01,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:01,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:01,405 INFO L87 Difference]: Start difference. First operand 7579 states and 8569 transitions. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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) [2021-11-22 15:17:03,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:03,833 INFO L93 Difference]: Finished difference Result 17315 states and 19927 transitions. [2021-11-22 15:17:03,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:03,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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 411 [2021-11-22 15:17:03,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:03,855 INFO L225 Difference]: With dead ends: 17315 [2021-11-22 15:17:03,855 INFO L226 Difference]: Without dead ends: 10037 [2021-11-22 15:17:03,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:03,863 INFO L933 BasicCegarLoop]: 476 mSDtfsCounter, 382 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:03,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [382 Valid, 540 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-22 15:17:03,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10037 states. [2021-11-22 15:17:03,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10037 to 10032. [2021-11-22 15:17:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10032 states, 10031 states have (on average 1.1470441630944073) internal successors, (11506), 10031 states have internal predecessors, (11506), 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) [2021-11-22 15:17:04,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10032 states to 10032 states and 11506 transitions. [2021-11-22 15:17:04,011 INFO L78 Accepts]: Start accepts. Automaton has 10032 states and 11506 transitions. Word has length 411 [2021-11-22 15:17:04,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:04,013 INFO L470 AbstractCegarLoop]: Abstraction has 10032 states and 11506 transitions. [2021-11-22 15:17:04,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 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) [2021-11-22 15:17:04,013 INFO L276 IsEmpty]: Start isEmpty. Operand 10032 states and 11506 transitions. [2021-11-22 15:17:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-11-22 15:17:04,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:04,018 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, 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] [2021-11-22 15:17:04,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 15:17:04,019 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:04,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:04,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1307685406, now seen corresponding path program 1 times [2021-11-22 15:17:04,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:04,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265469232] [2021-11-22 15:17:04,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:04,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-11-22 15:17:04,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:04,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265469232] [2021-11-22 15:17:04,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265469232] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:04,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:17:04,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:17:04,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084763328] [2021-11-22 15:17:04,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:04,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:04,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:04,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:04,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:04,249 INFO L87 Difference]: Start difference. First operand 10032 states and 11506 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2021-11-22 15:17:06,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:06,058 INFO L93 Difference]: Finished difference Result 22158 states and 25850 transitions. [2021-11-22 15:17:06,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:06,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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 413 [2021-11-22 15:17:06,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:06,092 INFO L225 Difference]: With dead ends: 22158 [2021-11-22 15:17:06,092 INFO L226 Difference]: Without dead ends: 12427 [2021-11-22 15:17:06,102 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:06,103 INFO L933 BasicCegarLoop]: 578 mSDtfsCounter, 236 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:06,103 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 616 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-22 15:17:06,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12427 states. [2021-11-22 15:17:06,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12427 to 12423. [2021-11-22 15:17:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12423 states, 12422 states have (on average 1.13524392207374) internal successors, (14102), 12422 states have internal predecessors, (14102), 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) [2021-11-22 15:17:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12423 states to 12423 states and 14102 transitions. [2021-11-22 15:17:06,303 INFO L78 Accepts]: Start accepts. Automaton has 12423 states and 14102 transitions. Word has length 413 [2021-11-22 15:17:06,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:06,304 INFO L470 AbstractCegarLoop]: Abstraction has 12423 states and 14102 transitions. [2021-11-22 15:17:06,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 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) [2021-11-22 15:17:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 12423 states and 14102 transitions. [2021-11-22 15:17:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-11-22 15:17:06,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:06,312 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:06,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 15:17:06,313 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:06,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:06,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1762941478, now seen corresponding path program 1 times [2021-11-22 15:17:06,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:06,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629281994] [2021-11-22 15:17:06,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:06,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:06,632 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-22 15:17:06,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:06,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629281994] [2021-11-22 15:17:06,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629281994] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:06,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:17:06,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:17:06,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520397379] [2021-11-22 15:17:06,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:06,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:06,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:06,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:06,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:06,635 INFO L87 Difference]: Start difference. First operand 12423 states and 14102 transitions. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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) [2021-11-22 15:17:08,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:08,750 INFO L93 Difference]: Finished difference Result 32317 states and 36783 transitions. [2021-11-22 15:17:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:08,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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 483 [2021-11-22 15:17:08,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:08,797 INFO L225 Difference]: With dead ends: 32317 [2021-11-22 15:17:08,797 INFO L226 Difference]: Without dead ends: 20195 [2021-11-22 15:17:08,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:08,813 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 301 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:08,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [301 Valid, 193 Invalid, 1186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-22 15:17:08,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20195 states. [2021-11-22 15:17:09,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20195 to 17205. [2021-11-22 15:17:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17205 states, 17204 states have (on average 1.1337479655893978) internal successors, (19505), 17204 states have internal predecessors, (19505), 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) [2021-11-22 15:17:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17205 states to 17205 states and 19505 transitions. [2021-11-22 15:17:09,188 INFO L78 Accepts]: Start accepts. Automaton has 17205 states and 19505 transitions. Word has length 483 [2021-11-22 15:17:09,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:09,189 INFO L470 AbstractCegarLoop]: Abstraction has 17205 states and 19505 transitions. [2021-11-22 15:17:09,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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) [2021-11-22 15:17:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 17205 states and 19505 transitions. [2021-11-22 15:17:09,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-11-22 15:17:09,197 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:09,198 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:09,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 15:17:09,199 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:09,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:09,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1063330375, now seen corresponding path program 1 times [2021-11-22 15:17:09,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:09,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221203987] [2021-11-22 15:17:09,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:09,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 363 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-11-22 15:17:09,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:09,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221203987] [2021-11-22 15:17:09,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221203987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:09,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:17:09,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:17:09,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5463465] [2021-11-22 15:17:09,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:09,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:09,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:09,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:09,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:09,403 INFO L87 Difference]: Start difference. First operand 17205 states and 19505 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2021-11-22 15:17:11,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:11,545 INFO L93 Difference]: Finished difference Result 41907 states and 47931 transitions. [2021-11-22 15:17:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:11,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 522 [2021-11-22 15:17:11,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:11,589 INFO L225 Difference]: With dead ends: 41907 [2021-11-22 15:17:11,590 INFO L226 Difference]: Without dead ends: 25003 [2021-11-22 15:17:11,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:11,600 INFO L933 BasicCegarLoop]: 563 mSDtfsCounter, 248 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 595 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:11,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 595 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-22 15:17:11,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25003 states. [2021-11-22 15:17:11,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25003 to 24684. [2021-11-22 15:17:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24684 states, 24683 states have (on average 1.1249848073572903) internal successors, (27768), 24683 states have internal predecessors, (27768), 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) [2021-11-22 15:17:11,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24684 states to 24684 states and 27768 transitions. [2021-11-22 15:17:11,973 INFO L78 Accepts]: Start accepts. Automaton has 24684 states and 27768 transitions. Word has length 522 [2021-11-22 15:17:11,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:11,974 INFO L470 AbstractCegarLoop]: Abstraction has 24684 states and 27768 transitions. [2021-11-22 15:17:11,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2021-11-22 15:17:11,974 INFO L276 IsEmpty]: Start isEmpty. Operand 24684 states and 27768 transitions. [2021-11-22 15:17:11,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2021-11-22 15:17:11,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:11,990 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:11,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 15:17:11,990 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:11,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:11,991 INFO L85 PathProgramCache]: Analyzing trace with hash -192587655, now seen corresponding path program 1 times [2021-11-22 15:17:11,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:11,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061251744] [2021-11-22 15:17:11,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:11,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:12,311 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 628 proven. 39 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2021-11-22 15:17:12,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:12,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061251744] [2021-11-22 15:17:12,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061251744] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:17:12,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82001217] [2021-11-22 15:17:12,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:12,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:17:12,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:12,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:17:12,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:17:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:12,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:17:12,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:17:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 467 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-11-22 15:17:13,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:17:13,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82001217] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:13,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:17:13,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-22 15:17:13,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9808478] [2021-11-22 15:17:13,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:13,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:13,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:13,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:13,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:17:13,636 INFO L87 Difference]: Start difference. First operand 24684 states and 27768 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2021-11-22 15:17:15,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:15,811 INFO L93 Difference]: Finished difference Result 55342 states and 62182 transitions. [2021-11-22 15:17:15,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:15,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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 596 [2021-11-22 15:17:15,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:15,869 INFO L225 Difference]: With dead ends: 55342 [2021-11-22 15:17:15,870 INFO L226 Difference]: Without dead ends: 30959 [2021-11-22 15:17:15,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:17:15,889 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 265 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:15,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 250 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-22 15:17:15,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30959 states. [2021-11-22 15:17:16,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30959 to 27070. [2021-11-22 15:17:16,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27070 states, 27069 states have (on average 1.1213565333037792) internal successors, (30354), 27069 states have internal predecessors, (30354), 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) [2021-11-22 15:17:16,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27070 states to 27070 states and 30354 transitions. [2021-11-22 15:17:16,557 INFO L78 Accepts]: Start accepts. Automaton has 27070 states and 30354 transitions. Word has length 596 [2021-11-22 15:17:16,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:16,558 INFO L470 AbstractCegarLoop]: Abstraction has 27070 states and 30354 transitions. [2021-11-22 15:17:16,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 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) [2021-11-22 15:17:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 27070 states and 30354 transitions. [2021-11-22 15:17:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2021-11-22 15:17:16,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:16,576 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:16,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:16,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-22 15:17:16,790 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:16,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:16,791 INFO L85 PathProgramCache]: Analyzing trace with hash -95465411, now seen corresponding path program 1 times [2021-11-22 15:17:16,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:16,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208174305] [2021-11-22 15:17:16,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:16,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2021-11-22 15:17:17,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:17,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208174305] [2021-11-22 15:17:17,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208174305] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:17,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:17:17,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:17:17,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476629704] [2021-11-22 15:17:17,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:17,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:17,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:17,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:17,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:17,251 INFO L87 Difference]: Start difference. First operand 27070 states and 30354 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:17:19,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:19,469 INFO L93 Difference]: Finished difference Result 61045 states and 68675 transitions. [2021-11-22 15:17:19,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:19,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 596 [2021-11-22 15:17:19,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:19,499 INFO L225 Difference]: With dead ends: 61045 [2021-11-22 15:17:19,499 INFO L226 Difference]: Without dead ends: 34276 [2021-11-22 15:17:19,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:19,514 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 321 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:19,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [321 Valid, 180 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-22 15:17:19,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34276 states. [2021-11-22 15:17:20,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34276 to 32152. [2021-11-22 15:17:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32152 states, 32151 states have (on average 1.1230443843115299) internal successors, (36107), 32151 states have internal predecessors, (36107), 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) [2021-11-22 15:17:20,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32152 states to 32152 states and 36107 transitions. [2021-11-22 15:17:20,261 INFO L78 Accepts]: Start accepts. Automaton has 32152 states and 36107 transitions. Word has length 596 [2021-11-22 15:17:20,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:20,262 INFO L470 AbstractCegarLoop]: Abstraction has 32152 states and 36107 transitions. [2021-11-22 15:17:20,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:17:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 32152 states and 36107 transitions. [2021-11-22 15:17:20,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-11-22 15:17:20,273 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:20,274 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 15:17:20,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-22 15:17:20,275 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:20,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:20,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1339152220, now seen corresponding path program 1 times [2021-11-22 15:17:20,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:20,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300982256] [2021-11-22 15:17:20,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:20,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 557 proven. 39 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2021-11-22 15:17:20,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:20,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300982256] [2021-11-22 15:17:20,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300982256] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:17:20,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008406178] [2021-11-22 15:17:20,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:20,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:17:20,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:20,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:17:20,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 15:17:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:20,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:17:20,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:17:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-22 15:17:21,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:17:21,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008406178] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:21,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:17:21,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-11-22 15:17:21,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919390016] [2021-11-22 15:17:21,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:21,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:21,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:21,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:21,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:17:21,850 INFO L87 Difference]: Start difference. First operand 32152 states and 36107 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:17:23,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:23,699 INFO L93 Difference]: Finished difference Result 63701 states and 71579 transitions. [2021-11-22 15:17:23,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:23,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 598 [2021-11-22 15:17:23,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:23,737 INFO L225 Difference]: With dead ends: 63701 [2021-11-22 15:17:23,737 INFO L226 Difference]: Without dead ends: 31850 [2021-11-22 15:17:23,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:17:23,752 INFO L933 BasicCegarLoop]: 565 mSDtfsCounter, 297 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:23,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [297 Valid, 602 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-22 15:17:23,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31850 states. [2021-11-22 15:17:24,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31850 to 31252. [2021-11-22 15:17:24,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31252 states, 31251 states have (on average 1.084733288534767) internal successors, (33899), 31251 states have internal predecessors, (33899), 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) [2021-11-22 15:17:24,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31252 states to 31252 states and 33899 transitions. [2021-11-22 15:17:24,273 INFO L78 Accepts]: Start accepts. Automaton has 31252 states and 33899 transitions. Word has length 598 [2021-11-22 15:17:24,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:24,273 INFO L470 AbstractCegarLoop]: Abstraction has 31252 states and 33899 transitions. [2021-11-22 15:17:24,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:17:24,274 INFO L276 IsEmpty]: Start isEmpty. Operand 31252 states and 33899 transitions. [2021-11-22 15:17:24,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2021-11-22 15:17:24,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:24,290 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:24,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-22 15:17:24,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-22 15:17:24,491 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:24,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:24,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1544203669, now seen corresponding path program 1 times [2021-11-22 15:17:24,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:24,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811664396] [2021-11-22 15:17:24,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:24,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 678 proven. 39 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2021-11-22 15:17:24,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:24,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811664396] [2021-11-22 15:17:24,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811664396] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:17:24,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159218219] [2021-11-22 15:17:24,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:24,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:17:24,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:24,926 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:17:24,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 15:17:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:25,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-22 15:17:25,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:17:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-11-22 15:17:26,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:17:26,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159218219] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:26,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:17:26,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-11-22 15:17:26,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117610462] [2021-11-22 15:17:26,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:26,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:26,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:26,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:26,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:17:26,122 INFO L87 Difference]: Start difference. First operand 31252 states and 33899 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2021-11-22 15:17:27,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:27,973 INFO L93 Difference]: Finished difference Result 67581 states and 73181 transitions. [2021-11-22 15:17:27,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:27,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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 686 [2021-11-22 15:17:27,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:28,020 INFO L225 Difference]: With dead ends: 67581 [2021-11-22 15:17:28,020 INFO L226 Difference]: Without dead ends: 30949 [2021-11-22 15:17:28,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 689 GetRequests, 686 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:17:28,039 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 300 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:28,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [300 Valid, 414 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-22 15:17:28,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30949 states. [2021-11-22 15:17:28,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30949 to 27060. [2021-11-22 15:17:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27060 states, 27059 states have (on average 1.0410584278798183) internal successors, (28170), 27059 states have internal predecessors, (28170), 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) [2021-11-22 15:17:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27060 states to 27060 states and 28170 transitions. [2021-11-22 15:17:28,406 INFO L78 Accepts]: Start accepts. Automaton has 27060 states and 28170 transitions. Word has length 686 [2021-11-22 15:17:28,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:28,407 INFO L470 AbstractCegarLoop]: Abstraction has 27060 states and 28170 transitions. [2021-11-22 15:17:28,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 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) [2021-11-22 15:17:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 27060 states and 28170 transitions. [2021-11-22 15:17:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 704 [2021-11-22 15:17:28,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:28,418 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-22 15:17:28,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:28,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-22 15:17:28,619 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:28,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:28,620 INFO L85 PathProgramCache]: Analyzing trace with hash -253950539, now seen corresponding path program 1 times [2021-11-22 15:17:28,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:28,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116273280] [2021-11-22 15:17:28,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:28,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 202 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:17:29,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:29,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116273280] [2021-11-22 15:17:29,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116273280] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:17:29,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846178467] [2021-11-22 15:17:29,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:29,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:17:29,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:29,308 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:17:29,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-22 15:17:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:29,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-22 15:17:29,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:17:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 470 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:17:32,550 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:17:35,459 INFO L134 CoverageAnalysis]: Checked inductivity of 577 backedges. 470 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:17:35,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846178467] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:17:35,459 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 15:17:35,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2021-11-22 15:17:35,460 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774671220] [2021-11-22 15:17:35,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 15:17:35,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-22 15:17:35,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:35,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-22 15:17:35,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-22 15:17:35,464 INFO L87 Difference]: Start difference. First operand 27060 states and 28170 transitions. Second operand has 11 states, 11 states have (on average 135.0909090909091) internal successors, (1486), 11 states have internal predecessors, (1486), 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) [2021-11-22 15:17:44,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:44,762 INFO L93 Difference]: Finished difference Result 96692 states and 100559 transitions. [2021-11-22 15:17:44,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-11-22 15:17:44,763 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 135.0909090909091) internal successors, (1486), 11 states have internal predecessors, (1486), 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 703 [2021-11-22 15:17:44,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:44,833 INFO L225 Difference]: With dead ends: 96692 [2021-11-22 15:17:44,833 INFO L226 Difference]: Without dead ends: 69933 [2021-11-22 15:17:44,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1489 GetRequests, 1437 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 991 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=506, Invalid=2356, Unknown=0, NotChecked=0, Total=2862 [2021-11-22 15:17:44,850 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 9872 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 6613 mSolverCounterSat, 2124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9872 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 8737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2124 IncrementalHoareTripleChecker+Valid, 6613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:44,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9872 Valid, 301 Invalid, 8737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2124 Valid, 6613 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2021-11-22 15:17:44,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69933 states. [2021-11-22 15:17:45,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69933 to 27957. [2021-11-22 15:17:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27957 states, 27956 states have (on average 1.0382028902561167) internal successors, (29024), 27956 states have internal predecessors, (29024), 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) [2021-11-22 15:17:45,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27957 states to 27957 states and 29024 transitions. [2021-11-22 15:17:45,620 INFO L78 Accepts]: Start accepts. Automaton has 27957 states and 29024 transitions. Word has length 703 [2021-11-22 15:17:45,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:45,621 INFO L470 AbstractCegarLoop]: Abstraction has 27957 states and 29024 transitions. [2021-11-22 15:17:45,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 135.0909090909091) internal successors, (1486), 11 states have internal predecessors, (1486), 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) [2021-11-22 15:17:45,622 INFO L276 IsEmpty]: Start isEmpty. Operand 27957 states and 29024 transitions. [2021-11-22 15:17:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2021-11-22 15:17:45,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:45,649 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:45,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-22 15:17:45,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:17:45,854 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:45,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:45,855 INFO L85 PathProgramCache]: Analyzing trace with hash 653935701, now seen corresponding path program 1 times [2021-11-22 15:17:45,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:45,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872086415] [2021-11-22 15:17:45,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:45,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:46,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 737 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2021-11-22 15:17:46,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:46,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872086415] [2021-11-22 15:17:46,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872086415] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:46,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:17:46,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:17:46,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010374109] [2021-11-22 15:17:46,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:46,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:46,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:46,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:46,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:46,317 INFO L87 Difference]: Start difference. First operand 27957 states and 29024 transitions. Second operand has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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) [2021-11-22 15:17:47,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:47,723 INFO L93 Difference]: Finished difference Result 55611 states and 57749 transitions. [2021-11-22 15:17:47,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:47,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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 780 [2021-11-22 15:17:47,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:47,752 INFO L225 Difference]: With dead ends: 55611 [2021-11-22 15:17:47,752 INFO L226 Difference]: Without dead ends: 27955 [2021-11-22 15:17:47,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:47,763 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 462 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:47,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [462 Valid, 68 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 15:17:47,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27955 states. [2021-11-22 15:17:48,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27955 to 27656. [2021-11-22 15:17:48,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27656 states, 27655 states have (on average 1.0381847767130719) internal successors, (28711), 27655 states have internal predecessors, (28711), 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) [2021-11-22 15:17:48,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27656 states to 27656 states and 28711 transitions. [2021-11-22 15:17:48,275 INFO L78 Accepts]: Start accepts. Automaton has 27656 states and 28711 transitions. Word has length 780 [2021-11-22 15:17:48,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:48,275 INFO L470 AbstractCegarLoop]: Abstraction has 27656 states and 28711 transitions. [2021-11-22 15:17:48,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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) [2021-11-22 15:17:48,276 INFO L276 IsEmpty]: Start isEmpty. Operand 27656 states and 28711 transitions. [2021-11-22 15:17:48,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2021-11-22 15:17:48,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:48,322 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:48,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-22 15:17:48,323 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:48,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:48,324 INFO L85 PathProgramCache]: Analyzing trace with hash 314151990, now seen corresponding path program 1 times [2021-11-22 15:17:48,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:48,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851907228] [2021-11-22 15:17:48,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:48,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 951 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2021-11-22 15:17:48,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:48,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851907228] [2021-11-22 15:17:48,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851907228] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:48,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:17:48,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:17:48,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089499588] [2021-11-22 15:17:48,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:48,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:17:48,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:48,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:17:48,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:17:48,668 INFO L87 Difference]: Start difference. First operand 27656 states and 28711 transitions. Second operand has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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) [2021-11-22 15:17:50,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:50,577 INFO L93 Difference]: Finished difference Result 58898 states and 61137 transitions. [2021-11-22 15:17:50,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:17:50,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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 805 [2021-11-22 15:17:50,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:50,609 INFO L225 Difference]: With dead ends: 58898 [2021-11-22 15:17:50,609 INFO L226 Difference]: Without dead ends: 31543 [2021-11-22 15:17:50,621 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 [2021-11-22 15:17:50,621 INFO L933 BasicCegarLoop]: 411 mSDtfsCounter, 622 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1399 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 1654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 1399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:50,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [622 Valid, 443 Invalid, 1654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 1399 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-22 15:17:50,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31543 states. [2021-11-22 15:17:50,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31543 to 29747. [2021-11-22 15:17:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29747 states, 29746 states have (on average 1.0297182814496066) internal successors, (30630), 29746 states have internal predecessors, (30630), 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) [2021-11-22 15:17:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29747 states to 29747 states and 30630 transitions. [2021-11-22 15:17:51,004 INFO L78 Accepts]: Start accepts. Automaton has 29747 states and 30630 transitions. Word has length 805 [2021-11-22 15:17:51,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:51,005 INFO L470 AbstractCegarLoop]: Abstraction has 29747 states and 30630 transitions. [2021-11-22 15:17:51,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 137.0) internal successors, (548), 4 states have internal predecessors, (548), 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) [2021-11-22 15:17:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29747 states and 30630 transitions. [2021-11-22 15:17:51,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2021-11-22 15:17:51,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:51,017 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:51,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-22 15:17:51,017 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:51,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:51,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1586778385, now seen corresponding path program 1 times [2021-11-22 15:17:51,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:51,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918641503] [2021-11-22 15:17:51,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:51,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2021-11-22 15:17:51,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:51,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918641503] [2021-11-22 15:17:51,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918641503] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:51,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:17:51,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:17:51,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963415689] [2021-11-22 15:17:51,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:51,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:51,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:51,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:51,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:51,329 INFO L87 Difference]: Start difference. First operand 29747 states and 30630 transitions. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2021-11-22 15:17:52,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:52,654 INFO L93 Difference]: Finished difference Result 62201 states and 64045 transitions. [2021-11-22 15:17:52,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:52,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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 829 [2021-11-22 15:17:52,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:52,680 INFO L225 Difference]: With dead ends: 62201 [2021-11-22 15:17:52,680 INFO L226 Difference]: Without dead ends: 32456 [2021-11-22 15:17:52,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:52,690 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 315 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:52,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 135 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-22 15:17:52,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32456 states. [2021-11-22 15:17:53,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32456 to 29745. [2021-11-22 15:17:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29745 states, 29744 states have (on average 1.0296194190424959) internal successors, (30625), 29744 states have internal predecessors, (30625), 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) [2021-11-22 15:17:53,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29745 states to 29745 states and 30625 transitions. [2021-11-22 15:17:53,083 INFO L78 Accepts]: Start accepts. Automaton has 29745 states and 30625 transitions. Word has length 829 [2021-11-22 15:17:53,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:53,084 INFO L470 AbstractCegarLoop]: Abstraction has 29745 states and 30625 transitions. [2021-11-22 15:17:53,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2021-11-22 15:17:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 29745 states and 30625 transitions. [2021-11-22 15:17:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 863 [2021-11-22 15:17:53,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:53,098 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:53,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-22 15:17:53,098 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:53,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:53,099 INFO L85 PathProgramCache]: Analyzing trace with hash 24286981, now seen corresponding path program 1 times [2021-11-22 15:17:53,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:53,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314825539] [2021-11-22 15:17:53,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:53,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 751 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2021-11-22 15:17:53,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:53,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314825539] [2021-11-22 15:17:53,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314825539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:53,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:17:53,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:17:53,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851406619] [2021-11-22 15:17:53,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:53,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:53,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:53,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:53,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:53,422 INFO L87 Difference]: Start difference. First operand 29745 states and 30625 transitions. Second operand has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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) [2021-11-22 15:17:54,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:54,694 INFO L93 Difference]: Finished difference Result 54049 states and 55638 transitions. [2021-11-22 15:17:54,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:54,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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 862 [2021-11-22 15:17:54,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:54,716 INFO L225 Difference]: With dead ends: 54049 [2021-11-22 15:17:54,716 INFO L226 Difference]: Without dead ends: 24605 [2021-11-22 15:17:54,727 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:54,728 INFO L933 BasicCegarLoop]: 397 mSDtfsCounter, 340 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:54,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [340 Valid, 408 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-22 15:17:54,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24605 states. [2021-11-22 15:17:54,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24605 to 14702. [2021-11-22 15:17:54,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14702 states, 14701 states have (on average 1.0268689204816) internal successors, (15096), 14701 states have internal predecessors, (15096), 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) [2021-11-22 15:17:54,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14702 states to 14702 states and 15096 transitions. [2021-11-22 15:17:54,957 INFO L78 Accepts]: Start accepts. Automaton has 14702 states and 15096 transitions. Word has length 862 [2021-11-22 15:17:54,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:54,958 INFO L470 AbstractCegarLoop]: Abstraction has 14702 states and 15096 transitions. [2021-11-22 15:17:54,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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) [2021-11-22 15:17:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 14702 states and 15096 transitions. [2021-11-22 15:17:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2021-11-22 15:17:55,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:55,133 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:17:55,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-22 15:17:55,133 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:55,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:55,134 INFO L85 PathProgramCache]: Analyzing trace with hash -926627041, now seen corresponding path program 1 times [2021-11-22 15:17:55,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:55,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925838394] [2021-11-22 15:17:55,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:55,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 692 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-11-22 15:17:55,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:55,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925838394] [2021-11-22 15:17:55,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925838394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:17:55,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:17:55,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:17:55,548 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985536484] [2021-11-22 15:17:55,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:17:55,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:17:55,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:17:55,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:17:55,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:55,550 INFO L87 Difference]: Start difference. First operand 14702 states and 15096 transitions. Second operand has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 states have internal predecessors, (614), 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) [2021-11-22 15:17:56,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:17:56,447 INFO L93 Difference]: Finished difference Result 33004 states and 33910 transitions. [2021-11-22 15:17:56,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:17:56,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 states have internal predecessors, (614), 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 895 [2021-11-22 15:17:56,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:17:56,557 INFO L225 Difference]: With dead ends: 33004 [2021-11-22 15:17:56,558 INFO L226 Difference]: Without dead ends: 18603 [2021-11-22 15:17:56,561 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:17:56,562 INFO L933 BasicCegarLoop]: 443 mSDtfsCounter, 31 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-22 15:17:56,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 469 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-22 15:17:56,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18603 states. [2021-11-22 15:17:56,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18603 to 17405. [2021-11-22 15:17:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17405 states, 17404 states have (on average 1.0241898414157664) internal successors, (17825), 17404 states have internal predecessors, (17825), 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) [2021-11-22 15:17:56,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17405 states to 17405 states and 17825 transitions. [2021-11-22 15:17:56,725 INFO L78 Accepts]: Start accepts. Automaton has 17405 states and 17825 transitions. Word has length 895 [2021-11-22 15:17:56,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:17:56,726 INFO L470 AbstractCegarLoop]: Abstraction has 17405 states and 17825 transitions. [2021-11-22 15:17:56,726 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 204.66666666666666) internal successors, (614), 3 states have internal predecessors, (614), 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) [2021-11-22 15:17:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 17405 states and 17825 transitions. [2021-11-22 15:17:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 968 [2021-11-22 15:17:56,738 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:17:56,739 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-22 15:17:56,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-22 15:17:56,740 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:17:56,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:17:56,741 INFO L85 PathProgramCache]: Analyzing trace with hash 625408752, now seen corresponding path program 1 times [2021-11-22 15:17:56,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:17:56,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930336103] [2021-11-22 15:17:56,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:56,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:17:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 810 proven. 113 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-11-22 15:17:57,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:17:57,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930336103] [2021-11-22 15:17:57,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930336103] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:17:57,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783651752] [2021-11-22 15:17:57,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:17:57,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:17:57,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:17:57,495 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:17:57,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-22 15:17:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:17:57,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 15:17:57,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:17:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 730 proven. 32 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2021-11-22 15:17:59,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:18:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 762 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2021-11-22 15:18:01,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783651752] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-22 15:18:01,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-22 15:18:01,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 4] total 12 [2021-11-22 15:18:01,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104181961] [2021-11-22 15:18:01,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:18:01,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:18:01,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:18:01,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:18:01,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-22 15:18:01,347 INFO L87 Difference]: Start difference. First operand 17405 states and 17825 transitions. Second operand has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 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) [2021-11-22 15:18:02,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:18:02,974 INFO L93 Difference]: Finished difference Result 19507 states and 19958 transitions. [2021-11-22 15:18:02,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 15:18:02,974 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 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 967 [2021-11-22 15:18:02,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:18:02,990 INFO L225 Difference]: With dead ends: 19507 [2021-11-22 15:18:02,990 INFO L226 Difference]: Without dead ends: 19206 [2021-11-22 15:18:02,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1941 GetRequests, 1931 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-22 15:18:02,995 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 354 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 241 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-22 15:18:02,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 44 Invalid, 1336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [241 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-22 15:18:03,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19206 states. [2021-11-22 15:18:03,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19206 to 17405. [2021-11-22 15:18:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17405 states, 17404 states have (on average 1.0240174672489082) internal successors, (17822), 17404 states have internal predecessors, (17822), 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) [2021-11-22 15:18:03,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17405 states to 17405 states and 17822 transitions. [2021-11-22 15:18:03,198 INFO L78 Accepts]: Start accepts. Automaton has 17405 states and 17822 transitions. Word has length 967 [2021-11-22 15:18:03,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:18:03,198 INFO L470 AbstractCegarLoop]: Abstraction has 17405 states and 17822 transitions. [2021-11-22 15:18:03,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 154.0) internal successors, (616), 4 states have internal predecessors, (616), 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) [2021-11-22 15:18:03,199 INFO L276 IsEmpty]: Start isEmpty. Operand 17405 states and 17822 transitions. [2021-11-22 15:18:03,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1502 [2021-11-22 15:18:03,227 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:18:03,228 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-11-22 15:18:03,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-22 15:18:03,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:18:03,454 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:18:03,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:18:03,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1754258623, now seen corresponding path program 1 times [2021-11-22 15:18:03,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:18:03,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131735604] [2021-11-22 15:18:03,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:18:03,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:18:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:18:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3805 backedges. 2163 proven. 0 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2021-11-22 15:18:04,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:18:04,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131735604] [2021-11-22 15:18:04,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131735604] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:18:04,306 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:18:04,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:18:04,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017618973] [2021-11-22 15:18:04,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:18:04,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:18:04,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:18:04,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:18:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:18:04,310 INFO L87 Difference]: Start difference. First operand 17405 states and 17822 transitions. Second operand has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2021-11-22 15:18:05,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:18:05,119 INFO L93 Difference]: Finished difference Result 34796 states and 35640 transitions. [2021-11-22 15:18:05,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:18:05,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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 1501 [2021-11-22 15:18:05,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:18:05,121 INFO L225 Difference]: With dead ends: 34796 [2021-11-22 15:18:05,121 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 15:18:05,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:18:05,129 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 46 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-22 15:18:05,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 125 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 691 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-22 15:18:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 15:18:05,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 15:18:05,131 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) [2021-11-22 15:18:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 15:18:05,131 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1501 [2021-11-22 15:18:05,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:18:05,132 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 15:18:05,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2021-11-22 15:18:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 15:18:05,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 15:18:05,135 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-22 15:18:05,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-22 15:18:05,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 15:18:25,755 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,755 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,755 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,755 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,755 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,755 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,755 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-11-22 15:18:25,755 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-11-22 15:18:25,755 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-11-22 15:18:25,756 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-11-22 15:18:25,757 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,758 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,758 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,758 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,758 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,758 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-11-22 15:18:25,758 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,758 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,759 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,759 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,759 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,759 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,759 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-11-22 15:18:25,759 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,760 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,760 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,760 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,760 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,760 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,760 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-11-22 15:18:25,760 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,761 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,761 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,761 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,761 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,761 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,761 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-11-22 15:18:25,762 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,762 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,762 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,762 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,762 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-11-22 15:18:25,762 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-11-22 15:18:25,763 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,763 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,763 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,763 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,763 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-11-22 15:18:25,763 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,764 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,764 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,764 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,764 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,764 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,764 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-11-22 15:18:25,765 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,765 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-11-22 15:18:25,765 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-11-22 15:18:25,765 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-11-22 15:18:25,765 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-11-22 15:18:25,765 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,766 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,766 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,766 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,766 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,766 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,766 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,766 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,767 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-11-22 15:18:25,767 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 15:18:25,767 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 119) no Hoare annotation was computed. [2021-11-22 15:18:25,767 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,767 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,768 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,768 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,768 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,768 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-11-22 15:18:25,768 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,768 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-11-22 15:18:25,769 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-11-22 15:18:25,769 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-11-22 15:18:25,769 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-11-22 15:18:25,769 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-11-22 15:18:25,769 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-11-22 15:18:25,769 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,769 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,770 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,770 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,770 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-11-22 15:18:25,770 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-11-22 15:18:25,770 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,770 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-11-22 15:18:25,771 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,771 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,771 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,771 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,771 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,771 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,772 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-22 15:18:25,772 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,772 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,772 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,772 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,772 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,773 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-11-22 15:18:25,773 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-11-22 15:18:25,773 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,773 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-11-22 15:18:25,773 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-11-22 15:18:25,773 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-11-22 15:18:25,774 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,774 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-11-22 15:18:25,774 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-11-22 15:18:25,774 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,774 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,774 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,775 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,775 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-11-22 15:18:25,775 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,775 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,775 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,775 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,775 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-11-22 15:18:25,776 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-11-22 15:18:25,776 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,776 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-11-22 15:18:25,776 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,776 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,776 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,777 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,777 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,777 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,777 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-11-22 15:18:25,777 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,777 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,777 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,778 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,778 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,778 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,778 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,778 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-11-22 15:18:25,778 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,779 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,779 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,779 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,779 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,779 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-11-22 15:18:25,779 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,779 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,780 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,780 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,780 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,780 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,780 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,780 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 15:18:25,781 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,781 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-11-22 15:18:25,781 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-11-22 15:18:25,781 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,781 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,781 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-11-22 15:18:25,782 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,782 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,782 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,782 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,782 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,782 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-22 15:18:25,782 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,783 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,783 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,783 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,783 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,783 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-11-22 15:18:25,783 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,784 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,784 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,784 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,784 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-11-22 15:18:25,784 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-11-22 15:18:25,784 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,784 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,785 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,785 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,785 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,785 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-11-22 15:18:25,785 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-11-22 15:18:25,785 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,786 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-11-22 15:18:25,786 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-11-22 15:18:25,786 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,786 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,786 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,786 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,787 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,787 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-11-22 15:18:25,787 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-11-22 15:18:25,787 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-11-22 15:18:25,787 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-11-22 15:18:25,787 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,787 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,787 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,787 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-11-22 15:18:25,787 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,788 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,789 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,789 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,789 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,789 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,789 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,789 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,789 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-11-22 15:18:25,790 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-11-22 15:18:25,790 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-11-22 15:18:25,790 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-11-22 15:18:25,790 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,790 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,790 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,791 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,791 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse17 (+ 98 ~a0~0))) (let ((.cse5 (<= 0 (+ 146 ~a0~0))) (.cse10 (<= .cse17 0)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse3 (<= (+ 104 ~a0~0) 0)) (.cse6 (= ~a2~0 4)) (.cse13 (<= (+ 148 ~a0~0) 0)) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse20 (<= 0 (+ ~a4~0 74))) (.cse14 (<= ~a29~0 43)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse16 (= 3 ~a2~0)) (.cse8 (= ~a2~0 1)) (.cse21 (<= (+ ~a29~0 127) 0)) (.cse7 (<= ~a29~0 42)) (.cse11 (<= 5 ~a2~0)) (.cse9 (<= 0 (+ ~a29~0 192415))) (.cse18 (< 43 ~a29~0)) (.cse0 (= 2 ~a2~0)) (.cse19 (<= 0 (+ ~a0~0 60))) (.cse15 (<= (+ ~a4~0 86) 0)) (.cse12 (<= (div ~a29~0 5) 186040))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse6) (and .cse4 .cse8 .cse7 .cse9) (and .cse4 .cse10 .cse7 .cse11 .cse9) (and .cse1 .cse8 .cse2) (and .cse4 .cse10 .cse5 .cse8 .cse12) (and .cse1 .cse11 .cse2) (and .cse13 .cse4 .cse0 .cse14) (and .cse4 .cse0 .cse10 .cse7 .cse9) (and .cse7 .cse15 .cse16 (< 0 .cse17) .cse2 .cse9) (and .cse1 .cse5 .cse16 .cse2) (and .cse18 .cse4 .cse10 .cse11 .cse12) (and .cse1 .cse16 .cse14 .cse2) (and .cse19 .cse7 .cse15 .cse6 .cse9) (and .cse1 .cse8 .cse14) (and .cse18 .cse19 .cse11 .cse15 .cse12) (and .cse3 .cse4 .cse7 .cse16) (and .cse4 .cse10 .cse5 .cse12 .cse20 .cse16) (and .cse3 .cse4 .cse20 .cse16 .cse14) (and .cse19 .cse7 .cse15 (< 0 (+ ~a29~0 16)) .cse16) (and .cse18 .cse19 .cse15 .cse12 .cse16) (and .cse18 .cse4 .cse0 .cse10 .cse12) (and .cse0 .cse19 .cse15 .cse21) (and .cse3 .cse8 .cse15 .cse12) (and .cse1 .cse6 .cse2) (and .cse13 .cse4 .cse8 .cse12) (and .cse3 .cse4 .cse11 .cse12) (and .cse3 .cse18 .cse4 .cse12 .cse6) (and .cse3 .cse18 .cse0 .cse12) (and (or (and .cse13 .cse4 .cse6) (and .cse13 .cse4 .cse20 .cse16)) .cse12) (and .cse0 .cse1 .cse14) (and .cse1 .cse16 .cse21) (and .cse8 .cse15 .cse21) (and .cse19 .cse7 .cse11 .cse15 .cse9) (and .cse18 .cse0 .cse19 .cse15 .cse12)))) [2021-11-22 15:18:25,791 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-11-22 15:18:25,791 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-11-22 15:18:25,791 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,792 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,792 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,792 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,792 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,792 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,792 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,793 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-11-22 15:18:25,793 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,793 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-11-22 15:18:25,793 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-11-22 15:18:25,793 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,793 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-11-22 15:18:25,793 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-11-22 15:18:25,793 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-11-22 15:18:25,793 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-11-22 15:18:25,793 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,794 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,794 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,794 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,794 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,794 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-11-22 15:18:25,794 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-11-22 15:18:25,794 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,795 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-11-22 15:18:25,795 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-11-22 15:18:25,795 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,795 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,795 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 15:18:25,795 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,795 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,796 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,796 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,796 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse18 (+ 98 ~a0~0))) (let ((.cse5 (<= 0 (+ 146 ~a0~0))) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse3 (<= (+ 104 ~a0~0) 0)) (.cse6 (= ~a2~0 4)) (.cse14 (<= (+ 148 ~a0~0) 0)) (.cse20 (<= 0 (+ ~a4~0 74))) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse10 (<= .cse18 0)) (.cse15 (<= ~a29~0 43)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse17 (= 3 ~a2~0)) (.cse8 (= ~a2~0 1)) (.cse21 (<= (+ ~a29~0 127) 0)) (.cse7 (<= ~a29~0 42)) (.cse11 (<= 5 ~a2~0)) (.cse9 (<= 0 (+ ~a29~0 192415))) (.cse13 (< 43 ~a29~0)) (.cse0 (= 2 ~a2~0)) (.cse19 (<= 0 (+ ~a0~0 60))) (.cse16 (<= (+ ~a4~0 86) 0)) (.cse12 (<= (div ~a29~0 5) 186040))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse6) (and .cse4 .cse8 .cse7 .cse9) (and .cse4 .cse10 .cse7 .cse11 .cse9) (and .cse1 .cse8 .cse2) (and .cse4 .cse10 .cse5 .cse8 .cse12) (and .cse1 .cse11 .cse2) (and .cse13 .cse14 .cse4 .cse8 .cse12 .cse2) (and .cse14 .cse4 .cse0 .cse15) (and .cse4 .cse0 .cse10 .cse7 .cse9) (and .cse7 .cse16 .cse17 (< 0 .cse18) .cse2 .cse9) (and .cse1 .cse5 .cse17 .cse2) (and .cse13 .cse4 .cse10 .cse11 .cse12) (and .cse1 .cse17 .cse15 .cse2) (and .cse19 .cse7 .cse16 .cse6 .cse9) (and .cse14 .cse4 .cse10 .cse8 .cse15) (and .cse1 .cse8 .cse15) (and .cse13 .cse19 .cse11 .cse16 .cse12) (and .cse3 .cse4 .cse7 .cse17) (and .cse0 .cse1 .cse12) (and .cse4 .cse10 .cse5 .cse12 .cse20 .cse17) (and .cse3 .cse4 .cse20 .cse17 .cse15) (and .cse3 .cse13 .cse8 .cse16 .cse12 .cse2) (and .cse19 .cse7 .cse16 (< 0 (+ ~a29~0 16)) .cse17) (and .cse13 .cse19 .cse16 .cse12 .cse17) (and .cse13 .cse4 .cse0 .cse10 .cse12) (and .cse0 .cse19 .cse16 .cse21) (and .cse1 .cse6 .cse2) (and .cse3 .cse4 .cse11 .cse12) (and .cse3 .cse13 .cse4 .cse12 .cse6) (and .cse3 .cse13 .cse0 .cse12) (and (or (and .cse14 .cse4 .cse6) (and .cse14 .cse4 .cse20 .cse17)) .cse12) (and .cse4 .cse10 .cse8 .cse16 .cse15) (and .cse1 .cse17 .cse21) (and .cse8 .cse16 .cse21) (and .cse19 .cse7 .cse11 .cse16 .cse9) (and .cse13 .cse0 .cse19 .cse16 .cse12)))) [2021-11-22 15:18:25,796 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,797 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,798 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-11-22 15:18:25,798 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,798 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,798 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,798 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,798 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,798 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,798 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-11-22 15:18:25,799 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-11-22 15:18:25,799 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,799 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,799 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,799 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,799 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,799 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,800 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-11-22 15:18:25,800 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,800 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-11-22 15:18:25,800 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,800 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,800 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,800 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,801 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,801 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,801 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,801 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-11-22 15:18:25,801 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-11-22 15:18:25,801 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,802 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,802 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,802 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,802 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,802 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,802 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,802 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-11-22 15:18:25,803 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-11-22 15:18:25,803 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,803 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,803 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,803 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,803 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,804 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,804 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,804 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-11-22 15:18:25,804 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-11-22 15:18:25,804 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,804 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-11-22 15:18:25,804 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-11-22 15:18:25,805 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,805 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,805 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,805 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,805 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,805 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,806 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse18 (+ 98 ~a0~0))) (let ((.cse5 (<= 0 (+ 146 ~a0~0))) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse3 (<= (+ 104 ~a0~0) 0)) (.cse6 (= ~a2~0 4)) (.cse14 (<= (+ 148 ~a0~0) 0)) (.cse20 (<= 0 (+ ~a4~0 74))) (.cse4 (<= (+ 42 ~a4~0) 0)) (.cse10 (<= .cse18 0)) (.cse15 (<= ~a29~0 43)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse17 (= 3 ~a2~0)) (.cse8 (= ~a2~0 1)) (.cse21 (<= (+ ~a29~0 127) 0)) (.cse7 (<= ~a29~0 42)) (.cse11 (<= 5 ~a2~0)) (.cse9 (<= 0 (+ ~a29~0 192415))) (.cse13 (< 43 ~a29~0)) (.cse0 (= 2 ~a2~0)) (.cse19 (<= 0 (+ ~a0~0 60))) (.cse16 (<= (+ ~a4~0 86) 0)) (.cse12 (<= (div ~a29~0 5) 186040))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse6) (and .cse4 .cse8 .cse7 .cse9) (and .cse4 .cse10 .cse7 .cse11 .cse9) (and .cse1 .cse8 .cse2) (and .cse4 .cse10 .cse5 .cse8 .cse12) (and .cse1 .cse11 .cse2) (and .cse13 .cse14 .cse4 .cse8 .cse12 .cse2) (and .cse14 .cse4 .cse0 .cse15) (and .cse4 .cse0 .cse10 .cse7 .cse9) (and .cse7 .cse16 .cse17 (< 0 .cse18) .cse2 .cse9) (and .cse1 .cse5 .cse17 .cse2) (and .cse13 .cse4 .cse10 .cse11 .cse12) (and .cse1 .cse17 .cse15 .cse2) (and .cse19 .cse7 .cse16 .cse6 .cse9) (and .cse14 .cse4 .cse10 .cse8 .cse15) (and .cse1 .cse8 .cse15) (and .cse13 .cse19 .cse11 .cse16 .cse12) (and .cse3 .cse4 .cse7 .cse17) (and .cse0 .cse1 .cse12) (and .cse4 .cse10 .cse5 .cse12 .cse20 .cse17) (and .cse3 .cse4 .cse20 .cse17 .cse15) (and .cse3 .cse13 .cse8 .cse16 .cse12 .cse2) (and .cse19 .cse7 .cse16 (< 0 (+ ~a29~0 16)) .cse17) (and .cse13 .cse19 .cse16 .cse12 .cse17) (and .cse13 .cse4 .cse0 .cse10 .cse12) (and .cse0 .cse19 .cse16 .cse21) (and .cse1 .cse6 .cse2) (and .cse3 .cse4 .cse11 .cse12) (and .cse3 .cse13 .cse4 .cse12 .cse6) (and .cse3 .cse13 .cse0 .cse12) (and (or (and .cse14 .cse4 .cse6) (and .cse14 .cse4 .cse20 .cse17)) .cse12) (and .cse4 .cse10 .cse8 .cse16 .cse15) (and .cse1 .cse17 .cse21) (and .cse8 .cse16 .cse21) (and .cse19 .cse7 .cse11 .cse16 .cse9) (and .cse13 .cse0 .cse19 .cse16 .cse12)))) [2021-11-22 15:18:25,806 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-11-22 15:18:25,806 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-11-22 15:18:25,806 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,806 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,807 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,807 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,807 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,807 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,807 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,807 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,808 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-22 15:18:25,808 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-11-22 15:18:25,808 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,808 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-11-22 15:18:25,808 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-11-22 15:18:25,808 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,808 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,809 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,809 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,809 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,809 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,809 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 15:18:25,809 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-11-22 15:18:25,810 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,810 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,810 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,810 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,810 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-11-22 15:18:25,810 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-11-22 15:18:25,811 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-11-22 15:18:25,811 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,811 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-11-22 15:18:25,811 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-11-22 15:18:25,811 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,811 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,811 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,812 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,812 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,812 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,812 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,812 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-22 15:18:25,812 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,813 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,813 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,813 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,813 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-11-22 15:18:25,813 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,813 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,813 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-11-22 15:18:25,814 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,814 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,814 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,814 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,814 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,814 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,815 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,815 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-11-22 15:18:25,815 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-11-22 15:18:25,815 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,815 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-11-22 15:18:25,815 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,816 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-11-22 15:18:25,816 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,816 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-11-22 15:18:25,816 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-11-22 15:18:25,820 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, 1, 1, 1, 1, 1] [2021-11-22 15:18:25,821 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:18:25,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:18:25 BoogieIcfgContainer [2021-11-22 15:18:25,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:18:25,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:18:25,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:18:25,873 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:18:25,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:16:33" (3/4) ... [2021-11-22 15:18:25,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 15:18:25,926 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-22 15:18:25,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 15:18:25,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 15:18:25,938 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 15:18:26,167 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 15:18:26,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:18:26,168 INFO L158 Benchmark]: Toolchain (without parser) took 118864.97ms. Allocated memory was 92.3MB in the beginning and 6.1GB in the end (delta: 6.0GB). Free memory was 50.6MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2021-11-22 15:18:26,168 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:18:26,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1437.19ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 50.4MB in the beginning and 75.3MB in the end (delta: -24.9MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2021-11-22 15:18:26,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 308.52ms. Allocated memory is still 113.2MB. Free memory was 75.3MB in the beginning and 57.5MB in the end (delta: 17.8MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2021-11-22 15:18:26,169 INFO L158 Benchmark]: Boogie Preprocessor took 309.96ms. Allocated memory is still 113.2MB. Free memory was 57.5MB in the beginning and 46.7MB in the end (delta: 10.8MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-22 15:18:26,169 INFO L158 Benchmark]: RCFGBuilder took 3841.30ms. Allocated memory was 113.2MB in the beginning and 287.3MB in the end (delta: 174.1MB). Free memory was 46.7MB in the beginning and 199.6MB in the end (delta: -153.0MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2021-11-22 15:18:26,170 INFO L158 Benchmark]: TraceAbstraction took 112664.25ms. Allocated memory was 287.3MB in the beginning and 6.1GB in the end (delta: 5.8GB). Free memory was 198.6MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2021-11-22 15:18:26,170 INFO L158 Benchmark]: Witness Printer took 294.79ms. Allocated memory is still 6.1GB. Free memory was 4.3GB in the beginning and 4.3GB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-22 15:18:26,172 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 92.3MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1437.19ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 50.4MB in the beginning and 75.3MB in the end (delta: -24.9MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 308.52ms. Allocated memory is still 113.2MB. Free memory was 75.3MB in the beginning and 57.5MB in the end (delta: 17.8MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 309.96ms. Allocated memory is still 113.2MB. Free memory was 57.5MB in the beginning and 46.7MB in the end (delta: 10.8MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3841.30ms. Allocated memory was 113.2MB in the beginning and 287.3MB in the end (delta: 174.1MB). Free memory was 46.7MB in the beginning and 199.6MB in the end (delta: -153.0MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * TraceAbstraction took 112664.25ms. Allocated memory was 287.3MB in the beginning and 6.1GB in the end (delta: 5.8GB). Free memory was 198.6MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * Witness Printer took 294.79ms. Allocated memory is still 6.1GB. Free memory was 4.3GB in the beginning and 4.3GB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. 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: 119]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 112.5s, OverallIterations: 26, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 60.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 20.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17263 SdHoareTripleChecker+Valid, 54.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17263 mSDsluCounter, 9215 SdHoareTripleChecker+Invalid, 46.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1141 mSDsCounter, 6825 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31078 IncrementalHoareTripleChecker+Invalid, 37903 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6825 mSolverCounterUnsat, 8074 mSDtfsCounter, 31078 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5382 GetRequests, 5284 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32152occurred in iteration=16, InterpolantAutomatonStates: 131, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 77146 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 246 NumberOfFragments, 2237 HoareAnnotationTreeSize, 4 FomulaSimplifications, 44886 FormulaSimplificationTreeSizeReduction, 10.2s HoareSimplificationTime, 4 FomulaSimplificationsInter, 114408 FormulaSimplificationTreeSizeReductionInter, 10.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 18.5s InterpolantComputationTime, 17628 NumberOfCodeBlocks, 17628 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 19265 ConstructedInterpolants, 0 QuantifiedInterpolants, 58198 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4338 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 33 InterpolantComputations, 25 PerfectInterpolantSequences, 22929/23780 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: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 4)) || ((89 + a4 <= 0 && a29 <= 42) && a2 == 4)) || (((42 + a4 <= 0 && a2 == 1) && a29 <= 42) && 0 <= a29 + 192415)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && a29 <= 42) && 5 <= a2) && 0 <= a29 + 192415)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1) && a29 / 5 <= 186040)) || ((89 + a4 <= 0 && 5 <= a2) && a0 + 61 <= 0)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 2 == a2) && a29 <= 43)) || ((((42 + a4 <= 0 && 2 == a2) && 98 + a0 <= 0) && a29 <= 42) && 0 <= a29 + 192415)) || (((((a29 <= 42 && a4 + 86 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && a29 / 5 <= 186040)) || (((89 + a4 <= 0 && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 <= a0 + 60 && a29 <= 42) && a4 + 86 <= 0) && a2 == 4) && 0 <= a29 + 192415)) || ((89 + a4 <= 0 && a2 == 1) && a29 <= 43)) || ((((43 < a29 && 0 <= a0 + 60) && 5 <= a2) && a4 + 86 <= 0) && a29 / 5 <= 186040)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a29 <= 42) && 3 == a2)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a29 / 5 <= 186040) && 0 <= a4 + 74) && 3 == a2)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= a4 + 74) && 3 == a2) && a29 <= 43)) || ((((0 <= a0 + 60 && a29 <= 42) && a4 + 86 <= 0) && 0 < a29 + 16) && 3 == a2)) || ((((43 < a29 && 0 <= a0 + 60) && a4 + 86 <= 0) && a29 / 5 <= 186040) && 3 == a2)) || ((((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 / 5 <= 186040)) || (((2 == a2 && 0 <= a0 + 60) && a4 + 86 <= 0) && a29 + 127 <= 0)) || (((104 + a0 <= 0 && a2 == 1) && a4 + 86 <= 0) && a29 / 5 <= 186040)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 1) && a29 / 5 <= 186040)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && a29 / 5 <= 186040)) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && a29 / 5 <= 186040) && a2 == 4)) || (((104 + a0 <= 0 && 43 < a29) && 2 == a2) && a29 / 5 <= 186040)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 4) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 0 <= a4 + 74) && 3 == a2)) && a29 / 5 <= 186040)) || ((2 == a2 && 89 + a4 <= 0) && a29 <= 43)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 127 <= 0)) || ((((0 <= a0 + 60 && a29 <= 42) && 5 <= a2) && a4 + 86 <= 0) && 0 <= a29 + 192415)) || ((((43 < a29 && 2 == a2) && 0 <= a0 + 60) && a4 + 86 <= 0) && a29 / 5 <= 186040) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 4)) || ((89 + a4 <= 0 && a29 <= 42) && a2 == 4)) || (((42 + a4 <= 0 && a2 == 1) && a29 <= 42) && 0 <= a29 + 192415)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && a29 <= 42) && 5 <= a2) && 0 <= a29 + 192415)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1) && a29 / 5 <= 186040)) || ((89 + a4 <= 0 && 5 <= a2) && a0 + 61 <= 0)) || (((((43 < a29 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 1) && a29 / 5 <= 186040) && a0 + 61 <= 0)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 2 == a2) && a29 <= 43)) || ((((42 + a4 <= 0 && 2 == a2) && 98 + a0 <= 0) && a29 <= 42) && 0 <= a29 + 192415)) || (((((a29 <= 42 && a4 + 86 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && a29 / 5 <= 186040)) || (((89 + a4 <= 0 && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 <= a0 + 60 && a29 <= 42) && a4 + 86 <= 0) && a2 == 4) && 0 <= a29 + 192415)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 <= 43)) || ((89 + a4 <= 0 && a2 == 1) && a29 <= 43)) || ((((43 < a29 && 0 <= a0 + 60) && 5 <= a2) && a4 + 86 <= 0) && a29 / 5 <= 186040)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a29 <= 42) && 3 == a2)) || ((2 == a2 && 89 + a4 <= 0) && a29 / 5 <= 186040)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a29 / 5 <= 186040) && 0 <= a4 + 74) && 3 == a2)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= a4 + 74) && 3 == a2) && a29 <= 43)) || (((((104 + a0 <= 0 && 43 < a29) && a2 == 1) && a4 + 86 <= 0) && a29 / 5 <= 186040) && a0 + 61 <= 0)) || ((((0 <= a0 + 60 && a29 <= 42) && a4 + 86 <= 0) && 0 < a29 + 16) && 3 == a2)) || ((((43 < a29 && 0 <= a0 + 60) && a4 + 86 <= 0) && a29 / 5 <= 186040) && 3 == a2)) || ((((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 / 5 <= 186040)) || (((2 == a2 && 0 <= a0 + 60) && a4 + 86 <= 0) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && a29 / 5 <= 186040)) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && a29 / 5 <= 186040) && a2 == 4)) || (((104 + a0 <= 0 && 43 < a29) && 2 == a2) && a29 / 5 <= 186040)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 4) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 0 <= a4 + 74) && 3 == a2)) && a29 / 5 <= 186040)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && a4 + 86 <= 0) && a29 <= 43)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 127 <= 0)) || ((((0 <= a0 + 60 && a29 <= 42) && 5 <= a2) && a4 + 86 <= 0) && 0 <= a29 + 192415)) || ((((43 < a29 && 2 == a2) && 0 <= a0 + 60) && a4 + 86 <= 0) && a29 / 5 <= 186040) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= 146 + a0) && a2 == 4)) || ((89 + a4 <= 0 && a29 <= 42) && a2 == 4)) || (((42 + a4 <= 0 && a2 == 1) && a29 <= 42) && 0 <= a29 + 192415)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && a29 <= 42) && 5 <= a2) && 0 <= a29 + 192415)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a2 == 1) && a29 / 5 <= 186040)) || ((89 + a4 <= 0 && 5 <= a2) && a0 + 61 <= 0)) || (((((43 < a29 && 148 + a0 <= 0) && 42 + a4 <= 0) && a2 == 1) && a29 / 5 <= 186040) && a0 + 61 <= 0)) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 2 == a2) && a29 <= 43)) || ((((42 + a4 <= 0 && 2 == a2) && 98 + a0 <= 0) && a29 <= 42) && 0 <= a29 + 192415)) || (((((a29 <= 42 && a4 + 86 <= 0) && 3 == a2) && 0 < 98 + a0) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((89 + a4 <= 0 && 0 <= 146 + a0) && 3 == a2) && a0 + 61 <= 0)) || ((((43 < a29 && 42 + a4 <= 0) && 98 + a0 <= 0) && 5 <= a2) && a29 / 5 <= 186040)) || (((89 + a4 <= 0 && 3 == a2) && a29 <= 43) && a0 + 61 <= 0)) || ((((0 <= a0 + 60 && a29 <= 42) && a4 + 86 <= 0) && a2 == 4) && 0 <= a29 + 192415)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && 98 + a0 <= 0) && a2 == 1) && a29 <= 43)) || ((89 + a4 <= 0 && a2 == 1) && a29 <= 43)) || ((((43 < a29 && 0 <= a0 + 60) && 5 <= a2) && a4 + 86 <= 0) && a29 / 5 <= 186040)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && a29 <= 42) && 3 == a2)) || ((2 == a2 && 89 + a4 <= 0) && a29 / 5 <= 186040)) || (((((42 + a4 <= 0 && 98 + a0 <= 0) && 0 <= 146 + a0) && a29 / 5 <= 186040) && 0 <= a4 + 74) && 3 == a2)) || ((((104 + a0 <= 0 && 42 + a4 <= 0) && 0 <= a4 + 74) && 3 == a2) && a29 <= 43)) || (((((104 + a0 <= 0 && 43 < a29) && a2 == 1) && a4 + 86 <= 0) && a29 / 5 <= 186040) && a0 + 61 <= 0)) || ((((0 <= a0 + 60 && a29 <= 42) && a4 + 86 <= 0) && 0 < a29 + 16) && 3 == a2)) || ((((43 < a29 && 0 <= a0 + 60) && a4 + 86 <= 0) && a29 / 5 <= 186040) && 3 == a2)) || ((((43 < a29 && 42 + a4 <= 0) && 2 == a2) && 98 + a0 <= 0) && a29 / 5 <= 186040)) || (((2 == a2 && 0 <= a0 + 60) && a4 + 86 <= 0) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (((104 + a0 <= 0 && 42 + a4 <= 0) && 5 <= a2) && a29 / 5 <= 186040)) || ((((104 + a0 <= 0 && 43 < a29) && 42 + a4 <= 0) && a29 / 5 <= 186040) && a2 == 4)) || (((104 + a0 <= 0 && 43 < a29) && 2 == a2) && a29 / 5 <= 186040)) || ((((148 + a0 <= 0 && 42 + a4 <= 0) && a2 == 4) || (((148 + a0 <= 0 && 42 + a4 <= 0) && 0 <= a4 + 74) && 3 == a2)) && a29 / 5 <= 186040)) || ((((42 + a4 <= 0 && 98 + a0 <= 0) && a2 == 1) && a4 + 86 <= 0) && a29 <= 43)) || ((89 + a4 <= 0 && 3 == a2) && a29 + 127 <= 0)) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 127 <= 0)) || ((((0 <= a0 + 60 && a29 <= 42) && 5 <= a2) && a4 + 86 <= 0) && 0 <= a29 + 192415)) || ((((43 < a29 && 2 == a2) && 0 <= a0 + 60) && a4 + 86 <= 0) && a29 / 5 <= 186040) RESULT: Ultimate proved your program to be correct! [2021-11-22 15:18:26,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9118c16d-3d00-4a80-8d7e-2a938c54b584/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE