./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be --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 f869ff34b8d1fc9233da1bce651f8bc007d942cb0a36d4a975409aebb2d888b1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:28:40,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:28:40,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:28:40,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:28:40,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:28:40,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:28:40,724 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:28:40,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:28:40,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:28:40,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:28:40,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:28:40,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:28:40,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:28:40,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:28:40,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:28:40,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:28:40,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:28:40,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:28:40,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:28:40,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:28:40,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:28:40,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:28:40,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:28:40,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:28:40,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:28:40,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:28:40,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:28:40,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:28:40,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:28:40,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:28:40,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:28:40,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:28:40,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:28:40,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:28:40,792 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:28:40,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:28:40,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:28:40,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:28:40,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:28:40,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:28:40,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:28:40,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:28:40,847 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:28:40,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:28:40,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:28:40,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:28:40,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:28:40,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:28:40,856 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:28:40,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:28:40,857 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:28:40,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:28:40,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:28:40,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:28:40,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:28:40,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:28:40,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:28:40,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:28:40,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:28:40,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:28:40,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:28:40,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:28:40,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:28:40,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:28:40,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:28:40,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:28:40,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:28:40,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:28:40,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:28:40,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:28:40,862 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:28:40,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:28:40,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:28:40,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:28:40,864 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_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f869ff34b8d1fc9233da1bce651f8bc007d942cb0a36d4a975409aebb2d888b1 [2021-10-21 19:28:41,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:28:41,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:28:41,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:28:41,233 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:28:41,234 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:28:41,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem11_label23.c [2021-10-21 19:28:41,329 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/data/65dcb63f9/f79c2fda217249509ac6d82c54d45e7c/FLAG9814b0b82 [2021-10-21 19:28:42,041 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:28:42,042 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/sv-benchmarks/c/eca-rers2012/Problem11_label23.c [2021-10-21 19:28:42,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/data/65dcb63f9/f79c2fda217249509ac6d82c54d45e7c/FLAG9814b0b82 [2021-10-21 19:28:42,230 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/data/65dcb63f9/f79c2fda217249509ac6d82c54d45e7c [2021-10-21 19:28:42,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:28:42,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:28:42,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:28:42,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:28:42,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:28:42,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:28:42" (1/1) ... [2021-10-21 19:28:42,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e9e50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:42, skipping insertion in model container [2021-10-21 19:28:42,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:28:42" (1/1) ... [2021-10-21 19:28:42,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:28:42,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:28:42,613 WARN L228 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_de82936a-26bd-4dc6-bf63-4349556da79a/sv-benchmarks/c/eca-rers2012/Problem11_label23.c[9364,9377] [2021-10-21 19:28:42,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:28:42,934 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:28:42,985 WARN L228 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_de82936a-26bd-4dc6-bf63-4349556da79a/sv-benchmarks/c/eca-rers2012/Problem11_label23.c[9364,9377] [2021-10-21 19:28:43,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:28:43,164 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:28:43,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43 WrapperNode [2021-10-21 19:28:43,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:28:43,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:28:43,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:28:43,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:28:43,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (1/1) ... [2021-10-21 19:28:43,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (1/1) ... [2021-10-21 19:28:43,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:28:43,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:28:43,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:28:43,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:28:43,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (1/1) ... [2021-10-21 19:28:43,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (1/1) ... [2021-10-21 19:28:43,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (1/1) ... [2021-10-21 19:28:43,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (1/1) ... [2021-10-21 19:28:43,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (1/1) ... [2021-10-21 19:28:43,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (1/1) ... [2021-10-21 19:28:43,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (1/1) ... [2021-10-21 19:28:43,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:28:43,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:28:43,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:28:43,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:28:43,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (1/1) ... [2021-10-21 19:28:43,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:28:43,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:28:43,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:28:43,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:28:43,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:28:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:28:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:28:43,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:28:45,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:28:45,253 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:28:45,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:28:45 BoogieIcfgContainer [2021-10-21 19:28:45,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:28:45,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:28:45,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:28:45,261 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:28:45,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:28:42" (1/3) ... [2021-10-21 19:28:45,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a15e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:28:45, skipping insertion in model container [2021-10-21 19:28:45,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:43" (2/3) ... [2021-10-21 19:28:45,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a15e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:28:45, skipping insertion in model container [2021-10-21 19:28:45,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:28:45" (3/3) ... [2021-10-21 19:28:45,264 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label23.c [2021-10-21 19:28:45,269 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:28:45,270 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:28:45,335 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:28:45,344 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 [2021-10-21 19:28:45,344 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:28:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:45,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-10-21 19:28:45,384 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:45,385 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:28:45,386 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:45,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:45,394 INFO L82 PathProgramCache]: Analyzing trace with hash 962891993, now seen corresponding path program 1 times [2021-10-21 19:28:45,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:45,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082788986] [2021-10-21 19:28:45,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:45,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:45,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:45,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082788986] [2021-10-21 19:28:45,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082788986] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:45,768 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:45,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:28:45,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581296214] [2021-10-21 19:28:45,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:45,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:45,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:45,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:45,795 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:47,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:47,090 INFO L93 Difference]: Finished difference Result 769 states and 1360 transitions. [2021-10-21 19:28:47,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:47,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2021-10-21 19:28:47,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:47,107 INFO L225 Difference]: With dead ends: 769 [2021-10-21 19:28:47,108 INFO L226 Difference]: Without dead ends: 422 [2021-10-21 19:28:47,112 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:47,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-10-21 19:28:47,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2021-10-21 19:28:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.5231143552311435) internal successors, (626), 411 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2021-10-21 19:28:47,182 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 65 [2021-10-21 19:28:47,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:47,183 INFO L470 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2021-10-21 19:28:47,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:47,183 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2021-10-21 19:28:47,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-10-21 19:28:47,190 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:47,190 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:28:47,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:28:47,191 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:47,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:47,191 INFO L82 PathProgramCache]: Analyzing trace with hash -566112933, now seen corresponding path program 1 times [2021-10-21 19:28:47,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:47,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037121230] [2021-10-21 19:28:47,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:47,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:47,352 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:47,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037121230] [2021-10-21 19:28:47,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037121230] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:47,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:47,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:28:47,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844828936] [2021-10-21 19:28:47,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:47,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:47,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:47,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:47,356 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:48,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:48,203 INFO L93 Difference]: Finished difference Result 1194 states and 1821 transitions. [2021-10-21 19:28:48,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:48,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2021-10-21 19:28:48,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:48,210 INFO L225 Difference]: With dead ends: 1194 [2021-10-21 19:28:48,210 INFO L226 Difference]: Without dead ends: 784 [2021-10-21 19:28:48,212 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:48,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2021-10-21 19:28:48,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2021-10-21 19:28:48,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 1.3742017879948913) internal successors, (1076), 783 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:48,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1076 transitions. [2021-10-21 19:28:48,247 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1076 transitions. Word has length 131 [2021-10-21 19:28:48,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:48,248 INFO L470 AbstractCegarLoop]: Abstraction has 784 states and 1076 transitions. [2021-10-21 19:28:48,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1076 transitions. [2021-10-21 19:28:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-21 19:28:48,254 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:48,254 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:28:48,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:28:48,255 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:48,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:48,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1935044965, now seen corresponding path program 1 times [2021-10-21 19:28:48,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:48,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317474514] [2021-10-21 19:28:48,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:48,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:48,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:48,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317474514] [2021-10-21 19:28:48,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317474514] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:48,382 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:48,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:28:48,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831627200] [2021-10-21 19:28:48,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:48,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:48,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:48,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:48,386 INFO L87 Difference]: Start difference. First operand 784 states and 1076 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:49,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:49,178 INFO L93 Difference]: Finished difference Result 1936 states and 2599 transitions. [2021-10-21 19:28:49,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:49,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 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 135 [2021-10-21 19:28:49,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:49,186 INFO L225 Difference]: With dead ends: 1936 [2021-10-21 19:28:49,186 INFO L226 Difference]: Without dead ends: 1154 [2021-10-21 19:28:49,187 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:49,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2021-10-21 19:28:49,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1153. [2021-10-21 19:28:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.2699652777777777) internal successors, (1463), 1152 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1463 transitions. [2021-10-21 19:28:49,218 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1463 transitions. Word has length 135 [2021-10-21 19:28:49,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:49,219 INFO L470 AbstractCegarLoop]: Abstraction has 1153 states and 1463 transitions. [2021-10-21 19:28:49,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:49,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1463 transitions. [2021-10-21 19:28:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-10-21 19:28:49,224 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:49,224 INFO L512 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, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:28:49,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:28:49,225 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:49,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:49,226 INFO L82 PathProgramCache]: Analyzing trace with hash -444441444, now seen corresponding path program 1 times [2021-10-21 19:28:49,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:49,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977685264] [2021-10-21 19:28:49,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:49,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:49,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:49,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977685264] [2021-10-21 19:28:49,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977685264] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:49,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:49,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:49,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128763938] [2021-10-21 19:28:49,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:49,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:49,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:49,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:49,367 INFO L87 Difference]: Start difference. First operand 1153 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:50,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:50,201 INFO L93 Difference]: Finished difference Result 2679 states and 3481 transitions. [2021-10-21 19:28:50,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:50,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 177 [2021-10-21 19:28:50,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:50,252 INFO L225 Difference]: With dead ends: 2679 [2021-10-21 19:28:50,253 INFO L226 Difference]: Without dead ends: 1712 [2021-10-21 19:28:50,258 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:50,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2021-10-21 19:28:50,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1521. [2021-10-21 19:28:50,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1520 states have (on average 1.255921052631579) internal successors, (1909), 1520 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:50,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1909 transitions. [2021-10-21 19:28:50,303 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1909 transitions. Word has length 177 [2021-10-21 19:28:50,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:50,306 INFO L470 AbstractCegarLoop]: Abstraction has 1521 states and 1909 transitions. [2021-10-21 19:28:50,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1909 transitions. [2021-10-21 19:28:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-10-21 19:28:50,313 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:50,313 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:28:50,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:28:50,313 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:50,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:50,315 INFO L82 PathProgramCache]: Analyzing trace with hash 522290920, now seen corresponding path program 1 times [2021-10-21 19:28:50,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:50,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361474610] [2021-10-21 19:28:50,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:50,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-21 19:28:50,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:50,503 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361474610] [2021-10-21 19:28:50,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361474610] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:50,503 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:50,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:50,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153357713] [2021-10-21 19:28:50,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:50,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:50,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:50,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:50,505 INFO L87 Difference]: Start difference. First operand 1521 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:51,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:51,398 INFO L93 Difference]: Finished difference Result 3597 states and 4559 transitions. [2021-10-21 19:28:51,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:51,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 247 [2021-10-21 19:28:51,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:51,412 INFO L225 Difference]: With dead ends: 3597 [2021-10-21 19:28:51,412 INFO L226 Difference]: Without dead ends: 2078 [2021-10-21 19:28:51,414 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:51,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2021-10-21 19:28:51,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1889. [2021-10-21 19:28:51,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1889 states, 1888 states have (on average 1.2473516949152543) internal successors, (2355), 1888 states have internal predecessors, (2355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:51,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 1889 states and 2355 transitions. [2021-10-21 19:28:51,464 INFO L78 Accepts]: Start accepts. Automaton has 1889 states and 2355 transitions. Word has length 247 [2021-10-21 19:28:51,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:51,467 INFO L470 AbstractCegarLoop]: Abstraction has 1889 states and 2355 transitions. [2021-10-21 19:28:51,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:51,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2355 transitions. [2021-10-21 19:28:51,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-10-21 19:28:51,473 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:51,474 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:28:51,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:28:51,474 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:51,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:51,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1609653245, now seen corresponding path program 1 times [2021-10-21 19:28:51,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:51,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030432729] [2021-10-21 19:28:51,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:51,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:51,732 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:51,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:51,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030432729] [2021-10-21 19:28:51,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030432729] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:51,733 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:51,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:51,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169232817] [2021-10-21 19:28:51,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:51,738 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:51,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:51,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:51,739 INFO L87 Difference]: Start difference. First operand 1889 states and 2355 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:52,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:52,656 INFO L93 Difference]: Finished difference Result 5075 states and 6326 transitions. [2021-10-21 19:28:52,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:52,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 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 274 [2021-10-21 19:28:52,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:52,678 INFO L225 Difference]: With dead ends: 5075 [2021-10-21 19:28:52,678 INFO L226 Difference]: Without dead ends: 3188 [2021-10-21 19:28:52,683 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:52,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3188 states. [2021-10-21 19:28:52,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3188 to 3186. [2021-10-21 19:28:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3186 states, 3185 states have (on average 1.2160125588697017) internal successors, (3873), 3185 states have internal predecessors, (3873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 3186 states and 3873 transitions. [2021-10-21 19:28:52,770 INFO L78 Accepts]: Start accepts. Automaton has 3186 states and 3873 transitions. Word has length 274 [2021-10-21 19:28:52,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:52,770 INFO L470 AbstractCegarLoop]: Abstraction has 3186 states and 3873 transitions. [2021-10-21 19:28:52,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 3873 transitions. [2021-10-21 19:28:52,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-10-21 19:28:52,778 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:52,778 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:28:52,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:28:52,779 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:52,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:52,779 INFO L82 PathProgramCache]: Analyzing trace with hash 328502846, now seen corresponding path program 1 times [2021-10-21 19:28:52,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:52,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001108782] [2021-10-21 19:28:52,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:52,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:53,055 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:53,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:53,056 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001108782] [2021-10-21 19:28:53,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001108782] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:53,057 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:53,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:53,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128801964] [2021-10-21 19:28:53,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:28:53,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:53,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:28:53,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:28:53,060 INFO L87 Difference]: Start difference. First operand 3186 states and 3873 transitions. Second operand has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:54,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:54,654 INFO L93 Difference]: Finished difference Result 10433 states and 12706 transitions. [2021-10-21 19:28:54,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:28:54,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 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 280 [2021-10-21 19:28:54,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:54,691 INFO L225 Difference]: With dead ends: 10433 [2021-10-21 19:28:54,691 INFO L226 Difference]: Without dead ends: 7249 [2021-10-21 19:28:54,696 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:28:54,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7249 states. [2021-10-21 19:28:54,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7249 to 7242. [2021-10-21 19:28:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 7241 states have (on average 1.1959674078165998) internal successors, (8660), 7241 states have internal predecessors, (8660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:54,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 8660 transitions. [2021-10-21 19:28:54,905 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 8660 transitions. Word has length 280 [2021-10-21 19:28:54,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:54,906 INFO L470 AbstractCegarLoop]: Abstraction has 7242 states and 8660 transitions. [2021-10-21 19:28:54,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.0) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 8660 transitions. [2021-10-21 19:28:54,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-21 19:28:54,913 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:54,914 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:28:54,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:28:54,914 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:54,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:54,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1580395159, now seen corresponding path program 1 times [2021-10-21 19:28:54,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:54,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872659750] [2021-10-21 19:28:54,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:54,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 157 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:55,195 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:55,195 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872659750] [2021-10-21 19:28:55,196 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872659750] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:28:55,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047570996] [2021-10-21 19:28:55,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:55,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:28:55,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:28:55,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:28:55,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:28:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:55,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:28:55,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:28:56,440 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-10-21 19:28:56,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047570996] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:56,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:28:56,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-21 19:28:56,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605765514] [2021-10-21 19:28:56,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:28:56,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:56,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:28:56,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:28:56,444 INFO L87 Difference]: Start difference. First operand 7242 states and 8660 transitions. Second operand has 4 states, 4 states have (on average 44.75) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:57,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:57,842 INFO L93 Difference]: Finished difference Result 19470 states and 23084 transitions. [2021-10-21 19:28:57,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:28:57,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 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 283 [2021-10-21 19:28:57,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:57,903 INFO L225 Difference]: With dead ends: 19470 [2021-10-21 19:28:57,904 INFO L226 Difference]: Without dead ends: 12598 [2021-10-21 19:28:57,912 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 40.7ms TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:28:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12598 states. [2021-10-21 19:28:58,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12598 to 10010. [2021-10-21 19:28:58,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10010 states, 10009 states have (on average 1.1815366170446597) internal successors, (11826), 10009 states have internal predecessors, (11826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10010 states to 10010 states and 11826 transitions. [2021-10-21 19:28:58,166 INFO L78 Accepts]: Start accepts. Automaton has 10010 states and 11826 transitions. Word has length 283 [2021-10-21 19:28:58,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:58,167 INFO L470 AbstractCegarLoop]: Abstraction has 10010 states and 11826 transitions. [2021-10-21 19:28:58,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 44.75) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 10010 states and 11826 transitions. [2021-10-21 19:28:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-10-21 19:28:58,176 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:58,177 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:28:58,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:28:58,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:28:58,401 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:58,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:58,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1984989751, now seen corresponding path program 1 times [2021-10-21 19:28:58,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:58,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695686037] [2021-10-21 19:28:58,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:58,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-10-21 19:28:58,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:58,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695686037] [2021-10-21 19:28:58,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695686037] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:58,545 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:58,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:58,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95190859] [2021-10-21 19:28:58,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:58,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:58,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:58,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:58,552 INFO L87 Difference]: Start difference. First operand 10010 states and 11826 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:59,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:59,360 INFO L93 Difference]: Finished difference Result 19648 states and 23262 transitions. [2021-10-21 19:28:59,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:59,360 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 295 [2021-10-21 19:28:59,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:59,381 INFO L225 Difference]: With dead ends: 19648 [2021-10-21 19:28:59,381 INFO L226 Difference]: Without dead ends: 10008 [2021-10-21 19:28:59,393 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:59,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10008 states. [2021-10-21 19:28:59,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10008 to 10008. [2021-10-21 19:28:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10008 states, 10007 states have (on average 1.1504946537423804) internal successors, (11513), 10007 states have internal predecessors, (11513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:59,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10008 states to 10008 states and 11513 transitions. [2021-10-21 19:28:59,649 INFO L78 Accepts]: Start accepts. Automaton has 10008 states and 11513 transitions. Word has length 295 [2021-10-21 19:28:59,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:59,650 INFO L470 AbstractCegarLoop]: Abstraction has 10008 states and 11513 transitions. [2021-10-21 19:28:59,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 10008 states and 11513 transitions. [2021-10-21 19:28:59,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-10-21 19:28:59,659 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:59,660 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2021-10-21 19:28:59,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:28:59,660 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:59,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:59,661 INFO L82 PathProgramCache]: Analyzing trace with hash 286412562, now seen corresponding path program 1 times [2021-10-21 19:28:59,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:59,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348315661] [2021-10-21 19:28:59,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:59,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 125 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:59,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:59,852 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348315661] [2021-10-21 19:28:59,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348315661] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:28:59,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891118265] [2021-10-21 19:28:59,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:59,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:28:59,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:28:59,861 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:28:59,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:29:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:00,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:29:00,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:01,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891118265] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:01,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:01,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 19:29:01,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228784939] [2021-10-21 19:29:01,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:01,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:01,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:01,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:01,163 INFO L87 Difference]: Start difference. First operand 10008 states and 11513 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:01,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:01,932 INFO L93 Difference]: Finished difference Result 20579 states and 23715 transitions. [2021-10-21 19:29:01,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:01,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 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 298 [2021-10-21 19:29:01,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:01,953 INFO L225 Difference]: With dead ends: 20579 [2021-10-21 19:29:01,953 INFO L226 Difference]: Without dead ends: 10941 [2021-10-21 19:29:01,964 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 13.5ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:01,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10941 states. [2021-10-21 19:29:02,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10941 to 10934. [2021-10-21 19:29:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10934 states, 10933 states have (on average 1.14790085063569) internal successors, (12550), 10933 states have internal predecessors, (12550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10934 states to 10934 states and 12550 transitions. [2021-10-21 19:29:02,262 INFO L78 Accepts]: Start accepts. Automaton has 10934 states and 12550 transitions. Word has length 298 [2021-10-21 19:29:02,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:02,263 INFO L470 AbstractCegarLoop]: Abstraction has 10934 states and 12550 transitions. [2021-10-21 19:29:02,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 10934 states and 12550 transitions. [2021-10-21 19:29:02,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-10-21 19:29:02,270 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:02,271 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:29:02,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:02,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-21 19:29:02,497 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:02,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:02,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1382301666, now seen corresponding path program 1 times [2021-10-21 19:29:02,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:02,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420021979] [2021-10-21 19:29:02,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:02,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-21 19:29:02,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:02,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420021979] [2021-10-21 19:29:02,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420021979] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:02,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098090613] [2021-10-21 19:29:02,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:02,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:02,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:02,713 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:02,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 19:29:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:03,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:29:03,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-21 19:29:04,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098090613] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:04,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:29:04,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-10-21 19:29:04,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510255474] [2021-10-21 19:29:04,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:29:04,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:04,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:29:04,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:04,016 INFO L87 Difference]: Start difference. First operand 10934 states and 12550 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:05,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:05,006 INFO L93 Difference]: Finished difference Result 25372 states and 29134 transitions. [2021-10-21 19:29:05,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:29:05,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 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 303 [2021-10-21 19:29:05,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:05,035 INFO L225 Difference]: With dead ends: 25372 [2021-10-21 19:29:05,035 INFO L226 Difference]: Without dead ends: 14808 [2021-10-21 19:29:05,048 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:05,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14808 states. [2021-10-21 19:29:05,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14808 to 12406. [2021-10-21 19:29:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12406 states, 12405 states have (on average 1.1490528012898025) internal successors, (14254), 12405 states have internal predecessors, (14254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:05,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12406 states to 12406 states and 14254 transitions. [2021-10-21 19:29:05,330 INFO L78 Accepts]: Start accepts. Automaton has 12406 states and 14254 transitions. Word has length 303 [2021-10-21 19:29:05,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:05,331 INFO L470 AbstractCegarLoop]: Abstraction has 12406 states and 14254 transitions. [2021-10-21 19:29:05,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:05,331 INFO L276 IsEmpty]: Start isEmpty. Operand 12406 states and 14254 transitions. [2021-10-21 19:29:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-10-21 19:29:05,339 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:05,339 INFO L512 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:05,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:05,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:05,565 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:05,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:05,565 INFO L82 PathProgramCache]: Analyzing trace with hash -807971748, now seen corresponding path program 1 times [2021-10-21 19:29:05,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:05,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877269654] [2021-10-21 19:29:05,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:05,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:05,773 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 55 proven. 70 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-21 19:29:05,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:05,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877269654] [2021-10-21 19:29:05,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877269654] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:05,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274151732] [2021-10-21 19:29:05,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:05,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:05,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:05,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:05,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 19:29:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:06,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:29:06,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-10-21 19:29:07,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [274151732] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:07,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:07,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 19:29:07,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118324421] [2021-10-21 19:29:07,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:07,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:07,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:07,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:07,012 INFO L87 Difference]: Start difference. First operand 12406 states and 14254 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:07,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:07,837 INFO L93 Difference]: Finished difference Result 27201 states and 31343 transitions. [2021-10-21 19:29:07,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:07,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 327 [2021-10-21 19:29:07,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:07,863 INFO L225 Difference]: With dead ends: 27201 [2021-10-21 19:29:07,864 INFO L226 Difference]: Without dead ends: 15165 [2021-10-21 19:29:07,877 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.8ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:07,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15165 states. [2021-10-21 19:29:08,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15165 to 14061. [2021-10-21 19:29:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14061 states, 14060 states have (on average 1.141180654338549) internal successors, (16045), 14060 states have internal predecessors, (16045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14061 states to 14061 states and 16045 transitions. [2021-10-21 19:29:08,201 INFO L78 Accepts]: Start accepts. Automaton has 14061 states and 16045 transitions. Word has length 327 [2021-10-21 19:29:08,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:08,202 INFO L470 AbstractCegarLoop]: Abstraction has 14061 states and 16045 transitions. [2021-10-21 19:29:08,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:08,202 INFO L276 IsEmpty]: Start isEmpty. Operand 14061 states and 16045 transitions. [2021-10-21 19:29:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-10-21 19:29:08,214 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:08,215 INFO L512 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:29:08,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:08,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-21 19:29:08,437 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:08,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:08,437 INFO L82 PathProgramCache]: Analyzing trace with hash 332634922, now seen corresponding path program 1 times [2021-10-21 19:29:08,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:08,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227472023] [2021-10-21 19:29:08,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:08,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 281 proven. 27 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-10-21 19:29:08,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:08,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227472023] [2021-10-21 19:29:08,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227472023] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:08,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149148917] [2021-10-21 19:29:08,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:08,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:08,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:08,749 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:08,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 19:29:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:09,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:29:09,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-10-21 19:29:10,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149148917] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:10,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:10,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 19:29:10,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749179867] [2021-10-21 19:29:10,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:10,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:10,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:10,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:10,367 INFO L87 Difference]: Start difference. First operand 14061 states and 16045 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:11,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:11,044 INFO L93 Difference]: Finished difference Result 29601 states and 33802 transitions. [2021-10-21 19:29:11,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:11,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 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 352 [2021-10-21 19:29:11,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:11,072 INFO L225 Difference]: With dead ends: 29601 [2021-10-21 19:29:11,072 INFO L226 Difference]: Without dead ends: 15910 [2021-10-21 19:29:11,083 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 23.4ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:11,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15910 states. [2021-10-21 19:29:11,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15910 to 14803. [2021-10-21 19:29:11,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14803 states, 14802 states have (on average 1.1375489798675855) internal successors, (16838), 14802 states have internal predecessors, (16838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:11,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14803 states to 14803 states and 16838 transitions. [2021-10-21 19:29:11,382 INFO L78 Accepts]: Start accepts. Automaton has 14803 states and 16838 transitions. Word has length 352 [2021-10-21 19:29:11,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:11,383 INFO L470 AbstractCegarLoop]: Abstraction has 14803 states and 16838 transitions. [2021-10-21 19:29:11,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 14803 states and 16838 transitions. [2021-10-21 19:29:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-10-21 19:29:11,398 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:11,399 INFO L512 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, 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, 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] [2021-10-21 19:29:11,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:11,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:11,619 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:11,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:11,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1737705753, now seen corresponding path program 1 times [2021-10-21 19:29:11,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:11,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68231223] [2021-10-21 19:29:11,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:11,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 208 proven. 168 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-21 19:29:11,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:11,874 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68231223] [2021-10-21 19:29:11,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68231223] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:11,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434709743] [2021-10-21 19:29:11,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:11,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:11,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:11,881 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:11,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 19:29:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:12,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:29:12,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:13,662 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 383 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-10-21 19:29:13,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434709743] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:13,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:13,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 19:29:13,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114470627] [2021-10-21 19:29:13,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:13,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:13,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:13,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:13,666 INFO L87 Difference]: Start difference. First operand 14803 states and 16838 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:14,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:14,268 INFO L93 Difference]: Finished difference Result 29606 states and 33670 transitions. [2021-10-21 19:29:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:14,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 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 373 [2021-10-21 19:29:14,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:14,292 INFO L225 Difference]: With dead ends: 29606 [2021-10-21 19:29:14,292 INFO L226 Difference]: Without dead ends: 14805 [2021-10-21 19:29:14,301 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 20.3ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:14,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14805 states. [2021-10-21 19:29:14,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14805 to 13699. [2021-10-21 19:29:14,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13699 states, 13698 states have (on average 1.1317710614688277) internal successors, (15503), 13698 states have internal predecessors, (15503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13699 states to 13699 states and 15503 transitions. [2021-10-21 19:29:14,596 INFO L78 Accepts]: Start accepts. Automaton has 13699 states and 15503 transitions. Word has length 373 [2021-10-21 19:29:14,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:14,597 INFO L470 AbstractCegarLoop]: Abstraction has 13699 states and 15503 transitions. [2021-10-21 19:29:14,597 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:14,597 INFO L276 IsEmpty]: Start isEmpty. Operand 13699 states and 15503 transitions. [2021-10-21 19:29:14,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2021-10-21 19:29:14,615 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:14,615 INFO L512 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, 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, 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] [2021-10-21 19:29:14,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:14,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:14,841 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:14,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:14,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1768080256, now seen corresponding path program 1 times [2021-10-21 19:29:14,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:14,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100111355] [2021-10-21 19:29:14,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:14,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:15,039 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 389 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-10-21 19:29:15,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:15,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100111355] [2021-10-21 19:29:15,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100111355] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:15,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:15,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:15,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829315020] [2021-10-21 19:29:15,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:15,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:15,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:15,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:15,042 INFO L87 Difference]: Start difference. First operand 13699 states and 15503 transitions. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:16,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:16,015 INFO L93 Difference]: Finished difference Result 26844 states and 30408 transitions. [2021-10-21 19:29:16,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:16,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 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 396 [2021-10-21 19:29:16,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:16,028 INFO L225 Difference]: With dead ends: 26844 [2021-10-21 19:29:16,028 INFO L226 Difference]: Without dead ends: 13331 [2021-10-21 19:29:16,035 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:16,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13331 states. [2021-10-21 19:29:16,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13331 to 13326. [2021-10-21 19:29:16,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13326 states, 13325 states have (on average 1.1079174484052532) internal successors, (14763), 13325 states have internal predecessors, (14763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13326 states to 13326 states and 14763 transitions. [2021-10-21 19:29:16,236 INFO L78 Accepts]: Start accepts. Automaton has 13326 states and 14763 transitions. Word has length 396 [2021-10-21 19:29:16,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:16,236 INFO L470 AbstractCegarLoop]: Abstraction has 13326 states and 14763 transitions. [2021-10-21 19:29:16,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 13326 states and 14763 transitions. [2021-10-21 19:29:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2021-10-21 19:29:16,252 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:16,253 INFO L512 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, 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, 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] [2021-10-21 19:29:16,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 19:29:16,253 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:16,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:16,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1305312854, now seen corresponding path program 1 times [2021-10-21 19:29:16,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:16,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028788920] [2021-10-21 19:29:16,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:16,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 396 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-10-21 19:29:16,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:16,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028788920] [2021-10-21 19:29:16,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028788920] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:16,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:16,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:16,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315496063] [2021-10-21 19:29:16,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:16,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:16,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:16,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:16,466 INFO L87 Difference]: Start difference. First operand 13326 states and 14763 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:17,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:17,158 INFO L93 Difference]: Finished difference Result 26472 states and 29366 transitions. [2021-10-21 19:29:17,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:17,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 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 401 [2021-10-21 19:29:17,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:17,169 INFO L225 Difference]: With dead ends: 26472 [2021-10-21 19:29:17,169 INFO L226 Difference]: Without dead ends: 13516 [2021-10-21 19:29:17,177 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:17,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13516 states. [2021-10-21 19:29:17,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13516 to 13512. [2021-10-21 19:29:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13512 states, 13511 states have (on average 1.107393975279402) internal successors, (14962), 13511 states have internal predecessors, (14962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13512 states to 13512 states and 14962 transitions. [2021-10-21 19:29:17,354 INFO L78 Accepts]: Start accepts. Automaton has 13512 states and 14962 transitions. Word has length 401 [2021-10-21 19:29:17,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:17,354 INFO L470 AbstractCegarLoop]: Abstraction has 13512 states and 14962 transitions. [2021-10-21 19:29:17,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:17,355 INFO L276 IsEmpty]: Start isEmpty. Operand 13512 states and 14962 transitions. [2021-10-21 19:29:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2021-10-21 19:29:17,369 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:17,369 INFO L512 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, 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, 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] [2021-10-21 19:29:17,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 19:29:17,370 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:17,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:17,370 INFO L82 PathProgramCache]: Analyzing trace with hash -764587049, now seen corresponding path program 1 times [2021-10-21 19:29:17,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:17,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436087190] [2021-10-21 19:29:17,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:17,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 188 proven. 211 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-21 19:29:17,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:17,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436087190] [2021-10-21 19:29:17,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436087190] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:17,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837648358] [2021-10-21 19:29:17,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:17,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:17,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:17,581 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:17,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 19:29:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:18,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:29:18,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:19,635 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 399 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-21 19:29:19,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837648358] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:19,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:19,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 19:29:19,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462753535] [2021-10-21 19:29:19,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:19,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:19,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:19,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:19,638 INFO L87 Difference]: Start difference. First operand 13512 states and 14962 transitions. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:20,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:20,289 INFO L93 Difference]: Finished difference Result 30180 states and 33558 transitions. [2021-10-21 19:29:20,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:20,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 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 410 [2021-10-21 19:29:20,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:20,303 INFO L225 Difference]: With dead ends: 30180 [2021-10-21 19:29:20,303 INFO L226 Difference]: Without dead ends: 17038 [2021-10-21 19:29:20,311 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 409 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:20,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17038 states. [2021-10-21 19:29:20,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17038 to 15737. [2021-10-21 19:29:20,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15737 states, 15736 states have (on average 1.1101931875953228) internal successors, (17470), 15736 states have internal predecessors, (17470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:20,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15737 states to 15737 states and 17470 transitions. [2021-10-21 19:29:20,488 INFO L78 Accepts]: Start accepts. Automaton has 15737 states and 17470 transitions. Word has length 410 [2021-10-21 19:29:20,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:20,489 INFO L470 AbstractCegarLoop]: Abstraction has 15737 states and 17470 transitions. [2021-10-21 19:29:20,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 15737 states and 17470 transitions. [2021-10-21 19:29:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-10-21 19:29:20,505 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:20,505 INFO L512 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, 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, 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] [2021-10-21 19:29:20,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:20,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-10-21 19:29:20,707 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:20,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:20,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1745485911, now seen corresponding path program 1 times [2021-10-21 19:29:20,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:20,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861656406] [2021-10-21 19:29:20,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:20,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:20,936 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-10-21 19:29:20,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:20,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861656406] [2021-10-21 19:29:20,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861656406] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:20,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:20,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:20,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307454220] [2021-10-21 19:29:20,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:20,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:20,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:20,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:20,939 INFO L87 Difference]: Start difference. First operand 15737 states and 17470 transitions. Second operand has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:21,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:21,805 INFO L93 Difference]: Finished difference Result 34238 states and 38003 transitions. [2021-10-21 19:29:21,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:21,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 420 [2021-10-21 19:29:21,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:21,819 INFO L225 Difference]: With dead ends: 34238 [2021-10-21 19:29:21,819 INFO L226 Difference]: Without dead ends: 18871 [2021-10-21 19:29:21,826 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:21,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18871 states. [2021-10-21 19:29:21,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18871 to 18307. [2021-10-21 19:29:21,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18307 states, 18306 states have (on average 1.101933792199279) internal successors, (20172), 18306 states have internal predecessors, (20172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18307 states to 18307 states and 20172 transitions. [2021-10-21 19:29:22,010 INFO L78 Accepts]: Start accepts. Automaton has 18307 states and 20172 transitions. Word has length 420 [2021-10-21 19:29:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:22,011 INFO L470 AbstractCegarLoop]: Abstraction has 18307 states and 20172 transitions. [2021-10-21 19:29:22,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 18307 states and 20172 transitions. [2021-10-21 19:29:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-10-21 19:29:22,021 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:22,022 INFO L512 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:22,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 19:29:22,022 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:22,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:22,023 INFO L82 PathProgramCache]: Analyzing trace with hash 417403016, now seen corresponding path program 1 times [2021-10-21 19:29:22,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:22,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185779060] [2021-10-21 19:29:22,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:22,023 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 422 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-21 19:29:22,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:22,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185779060] [2021-10-21 19:29:22,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185779060] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:22,213 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:22,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:22,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515238784] [2021-10-21 19:29:22,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:29:22,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:22,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:29:22,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:22,215 INFO L87 Difference]: Start difference. First operand 18307 states and 20172 transitions. Second operand has 4 states, 4 states have (on average 79.75) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:23,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:23,569 INFO L93 Difference]: Finished difference Result 44556 states and 49045 transitions. [2021-10-21 19:29:23,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:29:23,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.75) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 429 [2021-10-21 19:29:23,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:23,598 INFO L225 Difference]: With dead ends: 44556 [2021-10-21 19:29:23,598 INFO L226 Difference]: Without dead ends: 26619 [2021-10-21 19:29:23,608 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:23,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26619 states. [2021-10-21 19:29:23,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26619 to 24023. [2021-10-21 19:29:23,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24023 states, 24022 states have (on average 1.0986179335609025) internal successors, (26391), 24022 states have internal predecessors, (26391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:23,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24023 states to 24023 states and 26391 transitions. [2021-10-21 19:29:23,920 INFO L78 Accepts]: Start accepts. Automaton has 24023 states and 26391 transitions. Word has length 429 [2021-10-21 19:29:23,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:23,921 INFO L470 AbstractCegarLoop]: Abstraction has 24023 states and 26391 transitions. [2021-10-21 19:29:23,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.75) internal successors, (319), 3 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:23,921 INFO L276 IsEmpty]: Start isEmpty. Operand 24023 states and 26391 transitions. [2021-10-21 19:29:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2021-10-21 19:29:23,930 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:23,931 INFO L512 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, 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, 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] [2021-10-21 19:29:23,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-21 19:29:23,931 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:23,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:23,932 INFO L82 PathProgramCache]: Analyzing trace with hash 890840300, now seen corresponding path program 1 times [2021-10-21 19:29:23,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:23,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995117744] [2021-10-21 19:29:23,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:23,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 188 proven. 229 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-10-21 19:29:24,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:24,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995117744] [2021-10-21 19:29:24,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995117744] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:24,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141998966] [2021-10-21 19:29:24,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:24,139 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:24,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:24,149 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:24,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-21 19:29:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:25,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-21 19:29:25,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 293 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:28,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141998966] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:28,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:29:28,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-10-21 19:29:28,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31795557] [2021-10-21 19:29:28,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:29:28,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:28,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:29:28,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:29:28,228 INFO L87 Difference]: Start difference. First operand 24023 states and 26391 transitions. Second operand has 9 states, 9 states have (on average 84.22222222222223) internal successors, (758), 8 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:32,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:32,441 INFO L93 Difference]: Finished difference Result 63978 states and 70135 transitions. [2021-10-21 19:29:32,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-21 19:29:32,445 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 84.22222222222223) internal successors, (758), 8 states have internal predecessors, (758), 0 states have call successors, (0), 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 432 [2021-10-21 19:29:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:32,478 INFO L225 Difference]: With dead ends: 63978 [2021-10-21 19:29:32,478 INFO L226 Difference]: Without dead ends: 40325 [2021-10-21 19:29:32,486 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 143.6ms TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2021-10-21 19:29:32,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40325 states. [2021-10-21 19:29:32,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40325 to 32478. [2021-10-21 19:29:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32478 states, 32477 states have (on average 1.0948671367429257) internal successors, (35558), 32477 states have internal predecessors, (35558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32478 states to 32478 states and 35558 transitions. [2021-10-21 19:29:32,877 INFO L78 Accepts]: Start accepts. Automaton has 32478 states and 35558 transitions. Word has length 432 [2021-10-21 19:29:32,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:32,877 INFO L470 AbstractCegarLoop]: Abstraction has 32478 states and 35558 transitions. [2021-10-21 19:29:32,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 84.22222222222223) internal successors, (758), 8 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:32,878 INFO L276 IsEmpty]: Start isEmpty. Operand 32478 states and 35558 transitions. [2021-10-21 19:29:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2021-10-21 19:29:32,892 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:32,893 INFO L512 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, 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, 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] [2021-10-21 19:29:32,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:33,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:33,109 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:33,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:33,109 INFO L82 PathProgramCache]: Analyzing trace with hash -482780604, now seen corresponding path program 1 times [2021-10-21 19:29:33,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:33,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266214397] [2021-10-21 19:29:33,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:33,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 525 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:29:33,411 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:33,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266214397] [2021-10-21 19:29:33,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266214397] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:33,412 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254503712] [2021-10-21 19:29:33,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:33,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:33,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:33,417 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:33,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-21 19:29:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:34,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:29:34,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:36,234 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-21 19:29:36,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254503712] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:36,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:36,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-10-21 19:29:36,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613093686] [2021-10-21 19:29:36,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:36,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:36,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:36,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:29:36,236 INFO L87 Difference]: Start difference. First operand 32478 states and 35558 transitions. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:37,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:37,034 INFO L93 Difference]: Finished difference Result 63299 states and 69371 transitions. [2021-10-21 19:29:37,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:37,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 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 448 [2021-10-21 19:29:37,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:37,065 INFO L225 Difference]: With dead ends: 63299 [2021-10-21 19:29:37,065 INFO L226 Difference]: Without dead ends: 32849 [2021-10-21 19:29:37,078 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 44.3ms TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:29:37,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32849 states. [2021-10-21 19:29:37,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32849 to 32846. [2021-10-21 19:29:37,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32846 states, 32845 states have (on average 1.093438879585934) internal successors, (35914), 32845 states have internal predecessors, (35914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32846 states to 32846 states and 35914 transitions. [2021-10-21 19:29:37,624 INFO L78 Accepts]: Start accepts. Automaton has 32846 states and 35914 transitions. Word has length 448 [2021-10-21 19:29:37,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:37,625 INFO L470 AbstractCegarLoop]: Abstraction has 32846 states and 35914 transitions. [2021-10-21 19:29:37,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:37,625 INFO L276 IsEmpty]: Start isEmpty. Operand 32846 states and 35914 transitions. [2021-10-21 19:29:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-10-21 19:29:37,760 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:37,761 INFO L512 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, 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, 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] [2021-10-21 19:29:37,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-10-21 19:29:37,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-21 19:29:37,961 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:37,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:37,962 INFO L82 PathProgramCache]: Analyzing trace with hash 949033026, now seen corresponding path program 1 times [2021-10-21 19:29:37,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:37,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655008691] [2021-10-21 19:29:37,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:37,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 673 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-10-21 19:29:38,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:38,172 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655008691] [2021-10-21 19:29:38,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655008691] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:38,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:38,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:29:38,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015698609] [2021-10-21 19:29:38,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:29:38,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:38,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:29:38,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:38,175 INFO L87 Difference]: Start difference. First operand 32846 states and 35914 transitions. Second operand has 4 states, 4 states have (on average 90.25) internal successors, (361), 4 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:39,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:39,229 INFO L93 Difference]: Finished difference Result 65688 states and 71873 transitions. [2021-10-21 19:29:39,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:29:39,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.25) internal successors, (361), 4 states have internal predecessors, (361), 0 states have call successors, (0), 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 449 [2021-10-21 19:29:39,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:39,272 INFO L225 Difference]: With dead ends: 65688 [2021-10-21 19:29:39,272 INFO L226 Difference]: Without dead ends: 34318 [2021-10-21 19:29:39,287 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:39,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34318 states. [2021-10-21 19:29:39,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34318 to 31558. [2021-10-21 19:29:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31558 states, 31557 states have (on average 1.0883163798840194) internal successors, (34344), 31557 states have internal predecessors, (34344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31558 states to 31558 states and 34344 transitions. [2021-10-21 19:29:39,761 INFO L78 Accepts]: Start accepts. Automaton has 31558 states and 34344 transitions. Word has length 449 [2021-10-21 19:29:39,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:39,761 INFO L470 AbstractCegarLoop]: Abstraction has 31558 states and 34344 transitions. [2021-10-21 19:29:39,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.25) internal successors, (361), 4 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:39,762 INFO L276 IsEmpty]: Start isEmpty. Operand 31558 states and 34344 transitions. [2021-10-21 19:29:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2021-10-21 19:29:39,788 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:39,789 INFO L512 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:29:39,789 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-21 19:29:39,789 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:39,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:39,790 INFO L82 PathProgramCache]: Analyzing trace with hash -78633666, now seen corresponding path program 1 times [2021-10-21 19:29:39,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:39,790 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377069687] [2021-10-21 19:29:39,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:39,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:40,164 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 577 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-10-21 19:29:40,164 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:40,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377069687] [2021-10-21 19:29:40,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377069687] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:40,165 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:40,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:40,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195240913] [2021-10-21 19:29:40,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:40,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:40,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:40,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:40,167 INFO L87 Difference]: Start difference. First operand 31558 states and 34344 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:41,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:41,120 INFO L93 Difference]: Finished difference Result 61835 states and 67397 transitions. [2021-10-21 19:29:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:41,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 526 [2021-10-21 19:29:41,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:41,156 INFO L225 Difference]: With dead ends: 61835 [2021-10-21 19:29:41,156 INFO L226 Difference]: Without dead ends: 32305 [2021-10-21 19:29:41,168 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:41,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32305 states. [2021-10-21 19:29:41,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32305 to 31926. [2021-10-21 19:29:41,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31926 states, 31925 states have (on average 1.0868598277212216) internal successors, (34698), 31925 states have internal predecessors, (34698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31926 states to 31926 states and 34698 transitions. [2021-10-21 19:29:41,683 INFO L78 Accepts]: Start accepts. Automaton has 31926 states and 34698 transitions. Word has length 526 [2021-10-21 19:29:41,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:41,684 INFO L470 AbstractCegarLoop]: Abstraction has 31926 states and 34698 transitions. [2021-10-21 19:29:41,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:41,684 INFO L276 IsEmpty]: Start isEmpty. Operand 31926 states and 34698 transitions. [2021-10-21 19:29:41,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2021-10-21 19:29:41,705 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:41,705 INFO L512 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:29:41,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-21 19:29:41,705 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:41,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:41,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1235514717, now seen corresponding path program 1 times [2021-10-21 19:29:41,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:41,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405715677] [2021-10-21 19:29:41,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:41,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 574 proven. 3 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-10-21 19:29:42,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:42,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405715677] [2021-10-21 19:29:42,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405715677] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:42,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331707753] [2021-10-21 19:29:42,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:42,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:42,125 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:42,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-21 19:29:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:43,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:29:43,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:44,998 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 577 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2021-10-21 19:29:44,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331707753] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:44,999 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:44,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2021-10-21 19:29:45,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319832891] [2021-10-21 19:29:45,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:29:45,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:45,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:29:45,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:29:45,001 INFO L87 Difference]: Start difference. First operand 31926 states and 34698 transitions. Second operand has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:46,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:46,005 INFO L93 Difference]: Finished difference Result 64391 states and 69994 transitions. [2021-10-21 19:29:46,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:29:46,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 527 [2021-10-21 19:29:46,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:46,035 INFO L225 Difference]: With dead ends: 64391 [2021-10-21 19:29:46,035 INFO L226 Difference]: Without dead ends: 32651 [2021-10-21 19:29:46,048 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 40.6ms TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:29:46,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32651 states. [2021-10-21 19:29:46,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32651 to 29707. [2021-10-21 19:29:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29707 states, 29706 states have (on average 1.0816333400659799) internal successors, (32131), 29706 states have internal predecessors, (32131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29707 states to 29707 states and 32131 transitions. [2021-10-21 19:29:46,459 INFO L78 Accepts]: Start accepts. Automaton has 29707 states and 32131 transitions. Word has length 527 [2021-10-21 19:29:46,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:46,459 INFO L470 AbstractCegarLoop]: Abstraction has 29707 states and 32131 transitions. [2021-10-21 19:29:46,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 29707 states and 32131 transitions. [2021-10-21 19:29:46,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-10-21 19:29:46,472 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:46,473 INFO L512 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, 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, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:46,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:46,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-21 19:29:46,674 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:46,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:46,674 INFO L82 PathProgramCache]: Analyzing trace with hash 200352003, now seen corresponding path program 1 times [2021-10-21 19:29:46,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:46,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056906706] [2021-10-21 19:29:46,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:46,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 251 proven. 0 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2021-10-21 19:29:46,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:46,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056906706] [2021-10-21 19:29:46,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056906706] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:46,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:46,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:46,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415694476] [2021-10-21 19:29:46,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:46,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:46,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:46,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:46,897 INFO L87 Difference]: Start difference. First operand 29707 states and 32131 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:47,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:47,876 INFO L93 Difference]: Finished difference Result 62921 states and 68063 transitions. [2021-10-21 19:29:47,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:47,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 554 [2021-10-21 19:29:47,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:47,878 INFO L225 Difference]: With dead ends: 62921 [2021-10-21 19:29:47,878 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:29:47,891 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:47,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:29:47,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:29:47,891 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) [2021-10-21 19:29:47,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:29:47,892 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 554 [2021-10-21 19:29:47,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:47,892 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:29:47,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:47,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:29:47,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:29:47,894 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:29:47,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-21 19:29:47,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:29:47,903 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:49,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:50,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:29:52,854 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-21 19:29:52,854 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,854 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-21 19:29:52,854 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,854 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,854 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,854 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,854 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,855 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,855 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-21 19:29:52,855 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-21 19:29:52,855 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-21 19:29:52,855 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,855 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,855 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,855 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,856 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,856 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,856 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,856 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,856 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,856 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,856 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-21 19:29:52,857 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-21 19:29:52,857 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-21 19:29:52,857 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,857 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-21 19:29:52,857 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-21 19:29:52,857 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,857 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,858 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,858 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,858 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,858 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,858 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-21 19:29:52,858 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-21 19:29:52,858 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-21 19:29:52,858 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,859 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,859 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,859 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse19 (+ ~a23~0 43)) (.cse9 (= ~a4~0 1))) (let ((.cse5 (<= 203 ~a29~0)) (.cse14 (<= ~a29~0 140)) (.cse0 (<= 0 (+ ~a23~0 599772))) (.cse11 (or (not (= 3 ULTIMATE.start_calculate_output_~input)) (< 140 ~a29~0) (< 0 .cse19) .cse9)) (.cse7 (not .cse9)) (.cse8 (<= ~a25~0 10)) (.cse10 (= ~a25~0 12)) (.cse18 (<= ~a4~0 0)) (.cse16 (= ~a25~0 10)) (.cse12 (= ~a25~0 13)) (.cse6 (<= .cse19 0)) (.cse13 (<= ~a29~0 245)) (.cse15 (<= 130 ~a29~0)) (.cse1 (= ~a25~0 11)) (.cse17 (<= 165 ~a23~0)) (.cse2 (= ~a3~0 1)) (.cse3 (<= ~a23~0 312)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse7 .cse4) (and .cse8 .cse2 .cse9 .cse4) (and .cse10 .cse0 .cse11 .cse2 .cse3 .cse4) (and .cse12 .cse13 .cse2 .cse9 .cse4 .cse5) (and .cse14 .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse9 .cse4 .cse15) (and .cse0 .cse14 .cse2 .cse3 .cse4 .cse16) (and .cse6 .cse10 .cse11 .cse2 .cse7 .cse4) (and .cse6 .cse0 .cse8 .cse2 .cse4) (and .cse10 .cse2 .cse9 (<= 312 ~a23~0) .cse4 .cse15) (and .cse12 .cse17 .cse2 .cse9 .cse4) (and .cse14 .cse2 .cse3 (<= ~a25~0 9) .cse4) (and .cse0 .cse14 .cse2 .cse4 .cse18 .cse16) (and .cse12 .cse0 .cse2 .cse7 .cse3 .cse4) (and .cse10 .cse11 .cse2 .cse4 .cse18) (and (<= 260 ~a29~0) .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse1 (<= ~a29~0 274) .cse2 .cse9 .cse4 .cse15) (and .cse6 .cse8 .cse9) (and .cse6 .cse8 (<= 10250 ~a29~0) .cse2 .cse4) (and .cse10 (< 371191 ~a23~0) .cse2 .cse9 .cse4) (and (<= 0 (+ (div (+ (- 28690) (* ~a29~0 (- 1))) 5) 49)) .cse2 .cse4 .cse18 .cse16) (and .cse12 .cse6 .cse13 .cse2 .cse9 .cse4 .cse15) (and .cse1 .cse17 .cse2 .cse9 .cse3 .cse4)))) [2021-10-21 19:29:52,859 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,860 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-21 19:29:52,860 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-21 19:29:52,860 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,860 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,860 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,860 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,860 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,860 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,861 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-21 19:29:52,861 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-21 19:29:52,861 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-21 19:29:52,861 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-21 19:29:52,861 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,861 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,861 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,862 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,862 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,862 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,862 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,862 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-21 19:29:52,862 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-21 19:29:52,862 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-21 19:29:52,863 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,863 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,863 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,863 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,863 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,863 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,863 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,863 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,864 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,864 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-21 19:29:52,864 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-21 19:29:52,864 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-21 19:29:52,864 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,865 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse19 (+ ~a23~0 43)) (.cse9 (= ~a4~0 1))) (let ((.cse5 (<= 203 ~a29~0)) (.cse14 (<= ~a29~0 140)) (.cse0 (<= 0 (+ ~a23~0 599772))) (.cse11 (or (not (= 3 ULTIMATE.start_calculate_output_~input)) (< 140 ~a29~0) (< 0 .cse19) .cse9)) (.cse7 (not .cse9)) (.cse8 (<= ~a25~0 10)) (.cse10 (= ~a25~0 12)) (.cse18 (<= ~a4~0 0)) (.cse16 (= ~a25~0 10)) (.cse12 (= ~a25~0 13)) (.cse6 (<= .cse19 0)) (.cse13 (<= ~a29~0 245)) (.cse15 (<= 130 ~a29~0)) (.cse1 (= ~a25~0 11)) (.cse17 (<= 165 ~a23~0)) (.cse2 (= ~a3~0 1)) (.cse3 (<= ~a23~0 312)) (.cse4 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse7 .cse4) (and .cse8 .cse2 .cse9 .cse4) (and .cse10 .cse0 .cse11 .cse2 .cse3 .cse4) (and .cse12 .cse13 .cse2 .cse9 .cse4 .cse5) (and .cse14 .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse9 .cse4 .cse15) (and .cse0 .cse14 .cse2 .cse3 .cse4 .cse16) (and .cse6 .cse10 .cse11 .cse2 .cse7 .cse4) (and .cse6 .cse0 .cse8 .cse2 .cse4) (and .cse10 .cse2 .cse9 (<= 312 ~a23~0) .cse4 .cse15) (and .cse12 .cse17 .cse2 .cse9 .cse4) (and .cse14 .cse2 .cse3 (<= ~a25~0 9) .cse4) (and .cse0 .cse14 .cse2 .cse4 .cse18 .cse16) (and .cse12 .cse0 .cse2 .cse7 .cse3 .cse4) (and .cse10 .cse11 .cse2 .cse4 .cse18) (and (<= 260 ~a29~0) .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse1 (<= ~a29~0 274) .cse2 .cse9 .cse4 .cse15) (and .cse6 .cse8 .cse9) (and .cse6 .cse8 (<= 10250 ~a29~0) .cse2 .cse4) (and .cse10 (< 371191 ~a23~0) .cse2 .cse9 .cse4) (and (<= 0 (+ (div (+ (- 28690) (* ~a29~0 (- 1))) 5) 49)) .cse2 .cse4 .cse18 .cse16) (and .cse12 .cse6 .cse13 .cse2 .cse9 .cse4 .cse15) (and .cse1 .cse17 .cse2 .cse9 .cse3 .cse4)))) [2021-10-21 19:29:52,865 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,865 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,865 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,865 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,865 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,866 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,866 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,866 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,866 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-21 19:29:52,866 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-21 19:29:52,866 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-21 19:29:52,866 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-21 19:29:52,866 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:29:52,867 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-21 19:29:52,867 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:29:52,867 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,867 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,867 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,867 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,867 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,868 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,868 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,868 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,868 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,868 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,868 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:29:52,868 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-21 19:29:52,869 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-21 19:29:52,869 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-21 19:29:52,869 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-21 19:29:52,869 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,869 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,869 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,869 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,870 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,870 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-21 19:29:52,870 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-21 19:29:52,870 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-21 19:29:52,870 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,870 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,871 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,871 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,871 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-21 19:29:52,871 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-21 19:29:52,871 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,871 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,871 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,872 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,872 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,872 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,872 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-21 19:29:52,872 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-21 19:29:52,872 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,872 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,873 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-21 19:29:52,873 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-21 19:29:52,873 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-21 19:29:52,873 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:29:52,873 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2021-10-21 19:29:52,873 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-21 19:29:52,874 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,875 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-21 19:29:52,876 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-21 19:29:52,877 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-21 19:29:52,877 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,877 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,877 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,877 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,877 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,877 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,877 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,877 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,877 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,878 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,878 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,878 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-21 19:29:52,878 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-21 19:29:52,878 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-21 19:29:52,878 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-21 19:29:52,878 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-21 19:29:52,879 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,879 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,879 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,879 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,879 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,879 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,879 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,880 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-21 19:29:52,880 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-21 19:29:52,880 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-21 19:29:52,880 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,880 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,880 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,880 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-21 19:29:52,881 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-21 19:29:52,881 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,881 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,881 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,881 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,881 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,881 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-21 19:29:52,882 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-21 19:29:52,882 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,882 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,882 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-21 19:29:52,882 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-21 19:29:52,882 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,882 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:29:52,882 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,883 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,883 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,883 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,883 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,883 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-21 19:29:52,883 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-21 19:29:52,883 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-21 19:29:52,884 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-21 19:29:52,884 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,884 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,884 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,884 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,884 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,884 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,885 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,885 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,885 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-21 19:29:52,885 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-21 19:29:52,885 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-21 19:29:52,885 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-21 19:29:52,885 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-21 19:29:52,885 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-21 19:29:52,886 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,886 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,886 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,886 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,886 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,886 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,886 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,887 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-21 19:29:52,887 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-21 19:29:52,887 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:29:52,887 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,887 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,887 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,887 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,888 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,888 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,888 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-21 19:29:52,888 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-21 19:29:52,888 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,888 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,888 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,889 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,889 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,889 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,889 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,889 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-21 19:29:52,889 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:29:52,889 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,889 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,890 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-21 19:29:52,890 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-21 19:29:52,890 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-21 19:29:52,890 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-21 19:29:52,894 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:29:52,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:29:52 BoogieIcfgContainer [2021-10-21 19:29:52,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:29:52,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:29:52,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:29:52,945 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:29:52,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:28:45" (3/4) ... [2021-10-21 19:29:52,949 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:29:52,985 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:29:52,987 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:29:52,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:29:52,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:29:53,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:29:53,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:29:53,187 INFO L168 Benchmark]: Toolchain (without parser) took 70952.01 ms. Allocated memory was 94.4 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 57.1 MB in the beginning and 2.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 923.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:53,187 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:29:53,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 930.25 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 57.0 MB in the beginning and 79.8 MB in the end (delta: -22.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:53,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 178.92 ms. Allocated memory is still 138.4 MB. Free memory was 79.8 MB in the beginning and 63.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:53,189 INFO L168 Benchmark]: Boogie Preprocessor took 175.96 ms. Allocated memory is still 138.4 MB. Free memory was 63.0 MB in the beginning and 100.2 MB in the end (delta: -37.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:53,189 INFO L168 Benchmark]: RCFGBuilder took 1718.75 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 157.7 MB in the end (delta: -57.5 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:53,190 INFO L168 Benchmark]: TraceAbstraction took 67686.59 ms. Allocated memory was 203.4 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 157.7 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2021-10-21 19:29:53,190 INFO L168 Benchmark]: Witness Printer took 240.37 ms. Allocated memory is still 3.0 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:29:53,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 94.4 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 930.25 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 57.0 MB in the beginning and 79.8 MB in the end (delta: -22.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 178.92 ms. Allocated memory is still 138.4 MB. Free memory was 79.8 MB in the beginning and 63.0 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 175.96 ms. Allocated memory is still 138.4 MB. Free memory was 63.0 MB in the beginning and 100.2 MB in the end (delta: -37.1 MB). Peak memory consumption was 24.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1718.75 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 157.7 MB in the end (delta: -57.5 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 67686.59 ms. Allocated memory was 203.4 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 157.7 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 240.37 ms. Allocated memory is still 3.0 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 211]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 67560.6ms, OverallIterations: 25, TraceHistogramMax: 5, EmptinessCheckTime: 409.6ms, AutomataDifference: 27668.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4958.7ms, InitialAbstractionConstructionTime: 20.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5148 SDtfs, 5474 SDslu, 700 SDs, 0 SdLazy, 20025 SolverSat, 2740 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19214.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3843 GetRequests, 3766 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 402.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=32846occurred in iteration=21, InterpolantAutomatonStates: 94, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 5903.2ms AutomataMinimizationTime, 25 MinimizatonAttempts, 27117 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 379 NumberOfFragments, 1009 HoareAnnotationTreeSize, 3 FomulaSimplifications, 48242 FormulaSimplificationTreeSizeReduction, 2521.2ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 6556 FormulaSimplificationTreeSizeReductionInter, 2424.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 786.0ms SsaConstructionTime, 2011.9ms SatisfiabilityAnalysisTime, 17389.2ms InterpolantComputationTime, 12285 NumberOfCodeBlocks, 12285 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 12250 ConstructedInterpolants, 0 QuantifiedInterpolants, 52353 SizeOfPredicates, 4 NumberOfNonLiveVariables, 5206 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 35 InterpolantComputations, 23 PerfectInterpolantSequences, 12806/14184 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((0 <= a23 + 599772 && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15) && 203 <= a29) || (((((a23 + 43 <= 0 && 0 <= a23 + 599772) && a25 == 11) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || (((a25 <= 10 && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && 0 <= a23 + 599772) && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 == 13 && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && 203 <= a29)) || (((((a29 <= 140 && a25 == 11) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || (((((0 <= a23 + 599772 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((0 <= a23 + 599772 && a29 <= 140) && a3 == 1) && a23 <= 312) && a8 == 15) && a25 == 10)) || (((((a23 + 43 <= 0 && a25 == 12) && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || ((((a23 + 43 <= 0 && 0 <= a23 + 599772) && a25 <= 10) && a3 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && 130 <= a29)) || ((((a25 == 13 && 165 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a29 <= 140 && a3 == 1) && a23 <= 312) && a25 <= 9) && a8 == 15)) || (((((0 <= a23 + 599772 && a29 <= 140) && a3 == 1) && a8 == 15) && a4 <= 0) && a25 == 10)) || (((((a25 == 13 && 0 <= a23 + 599772) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || ((((a25 == 12 && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((((260 <= a29 && a25 == 11) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || (((((a25 == 11 && a29 <= 274) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)) || ((((a23 + 43 <= 0 && a25 <= 10) && 10250 <= a29) && a3 == 1) && a8 == 15)) || ((((a25 == 12 && 371191 < a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((0 <= (-28690 + a29 * -1) / 5 + 49 && a3 == 1) && a8 == 15) && a4 <= 0) && a25 == 10)) || ((((((a25 == 13 && a23 + 43 <= 0) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((a25 == 11 && 165 <= a23) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((0 <= a23 + 599772 && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15) && 203 <= a29) || (((((a23 + 43 <= 0 && 0 <= a23 + 599772) && a25 == 11) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || (((a25 <= 10 && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && 0 <= a23 + 599772) && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((a25 == 13 && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && 203 <= a29)) || (((((a29 <= 140 && a25 == 11) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || (((((0 <= a23 + 599772 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((0 <= a23 + 599772 && a29 <= 140) && a3 == 1) && a23 <= 312) && a8 == 15) && a25 == 10)) || (((((a23 + 43 <= 0 && a25 == 12) && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || ((((a23 + 43 <= 0 && 0 <= a23 + 599772) && a25 <= 10) && a3 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && 130 <= a29)) || ((((a25 == 13 && 165 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a29 <= 140 && a3 == 1) && a23 <= 312) && a25 <= 9) && a8 == 15)) || (((((0 <= a23 + 599772 && a29 <= 140) && a3 == 1) && a8 == 15) && a4 <= 0) && a25 == 10)) || (((((a25 == 13 && 0 <= a23 + 599772) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || ((((a25 == 12 && (((!(3 == input) || 140 < a29) || 0 < a23 + 43) || a4 == 1)) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((((260 <= a29 && a25 == 11) && a3 == 1) && !(a4 == 1)) && a23 <= 312) && a8 == 15)) || (((((a25 == 11 && a29 <= 274) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((a23 + 43 <= 0 && a25 <= 10) && a4 == 1)) || ((((a23 + 43 <= 0 && a25 <= 10) && 10250 <= a29) && a3 == 1) && a8 == 15)) || ((((a25 == 12 && 371191 < a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((0 <= (-28690 + a29 * -1) / 5 + 49 && a3 == 1) && a8 == 15) && a4 <= 0) && a25 == 10)) || ((((((a25 == 13 && a23 + 43 <= 0) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && 130 <= a29)) || (((((a25 == 11 && 165 <= a23) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:29:53,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de82936a-26bd-4dc6-bf63-4349556da79a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...