./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label46.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_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/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_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label46.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/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_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/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 201cd0b9f7312851770c009ac8fff4b46d270c8816b37eb4df1c49891060a8fb ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:28:30,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:28:30,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:28:30,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:28:30,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:28:30,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:28:30,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:28:30,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:28:30,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:28:30,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:28:30,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:28:30,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:28:30,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:28:30,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:28:30,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:28:30,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:28:30,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:28:30,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:28:30,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:28:30,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:28:30,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:28:30,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:28:30,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:28:30,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:28:30,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:28:30,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:28:30,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:28:30,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:28:30,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:28:30,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:28:30,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:28:30,500 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:28:30,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:28:30,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:28:30,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:28:30,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:28:30,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:28:30,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:28:30,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:28:30,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:28:30,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:28:30,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:28:30,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:28:30,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:28:30,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:28:30,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:28:30,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:28:30,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:28:30,551 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:28:30,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:28:30,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:28:30,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:28:30,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:28:30,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:28:30,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:28:30,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:28:30,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:28:30,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:28:30,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:28:30,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:28:30,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:28:30,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:28:30,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:28:30,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:28:30,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:28:30,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:28:30,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:28:30,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:28:30,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:28:30,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:28:30,556 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:28:30,558 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:28:30,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:28:30,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:28:30,559 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_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 201cd0b9f7312851770c009ac8fff4b46d270c8816b37eb4df1c49891060a8fb [2021-10-21 19:28:30,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:28:30,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:28:30,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:28:30,867 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:28:30,867 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:28:30,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2021-10-21 19:28:30,945 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/data/154fb82e7/66d893a11deb456bbd647d186c1281e8/FLAG1d765d92d [2021-10-21 19:28:31,501 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:28:31,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2021-10-21 19:28:31,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/data/154fb82e7/66d893a11deb456bbd647d186c1281e8/FLAG1d765d92d [2021-10-21 19:28:31,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/data/154fb82e7/66d893a11deb456bbd647d186c1281e8 [2021-10-21 19:28:31,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:28:31,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:28:31,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:28:31,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:28:31,916 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:28:31,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:28:31" (1/1) ... [2021-10-21 19:28:31,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@494dd302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:31, skipping insertion in model container [2021-10-21 19:28:31,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:28:31" (1/1) ... [2021-10-21 19:28:31,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:28:32,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:28:32,271 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_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] [2021-10-21 19:28:32,585 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:28:32,597 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:28:32,645 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_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] [2021-10-21 19:28:32,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:28:32,779 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:28:32,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32 WrapperNode [2021-10-21 19:28:32,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:28:32,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:28:32,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:28:32,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:28:32,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (1/1) ... [2021-10-21 19:28:32,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (1/1) ... [2021-10-21 19:28:32,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:28:32,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:28:32,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:28:32,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:28:32,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (1/1) ... [2021-10-21 19:28:32,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (1/1) ... [2021-10-21 19:28:32,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (1/1) ... [2021-10-21 19:28:33,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (1/1) ... [2021-10-21 19:28:33,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (1/1) ... [2021-10-21 19:28:33,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (1/1) ... [2021-10-21 19:28:33,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (1/1) ... [2021-10-21 19:28:33,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:28:33,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:28:33,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:28:33,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:28:33,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (1/1) ... [2021-10-21 19:28:33,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:28:33,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:28:33,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:28:33,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:28:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:28:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:28:33,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:28:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:28:34,983 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:28:34,983 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:28:34,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:28:34 BoogieIcfgContainer [2021-10-21 19:28:34,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:28:34,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:28:34,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:28:34,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:28:34,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:28:31" (1/3) ... [2021-10-21 19:28:34,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15189498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:28:34, skipping insertion in model container [2021-10-21 19:28:34,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:28:32" (2/3) ... [2021-10-21 19:28:34,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15189498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:28:34, skipping insertion in model container [2021-10-21 19:28:34,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:28:34" (3/3) ... [2021-10-21 19:28:34,995 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label46.c [2021-10-21 19:28:35,000 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:28:35,000 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:28:35,051 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:28:35,057 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 19:28:35,058 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:28:35,080 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 19:28:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-21 19:28:35,088 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:35,089 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] [2021-10-21 19:28:35,090 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:35,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:35,095 INFO L82 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2021-10-21 19:28:35,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:35,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274499613] [2021-10-21 19:28:35,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:35,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:35,392 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 19:28:35,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:35,393 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274499613] [2021-10-21 19:28:35,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274499613] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:35,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:35,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:28:35,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618771984] [2021-10-21 19:28:35,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:35,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:35,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:35,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:35,427 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 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 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 19:28:36,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:36,719 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-10-21 19:28:36,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:36,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2021-10-21 19:28:36,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:36,737 INFO L225 Difference]: With dead ends: 776 [2021-10-21 19:28:36,737 INFO L226 Difference]: Without dead ends: 413 [2021-10-21 19:28:36,742 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:36,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-10-21 19:28:36,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-10-21 19:28:36,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 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 19:28:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-10-21 19:28:36,810 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 62 [2021-10-21 19:28:36,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:36,811 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-10-21 19:28:36,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 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 19:28:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-10-21 19:28:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-10-21 19:28:36,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:36,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:28:36,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:28:36,818 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:36,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:36,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1066754174, now seen corresponding path program 1 times [2021-10-21 19:28:36,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:36,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266834458] [2021-10-21 19:28:36,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:36,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:36,981 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:36,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:36,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266834458] [2021-10-21 19:28:36,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266834458] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:36,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:36,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:28:36,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324019997] [2021-10-21 19:28:36,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:36,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:36,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:36,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:36,986 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 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 19:28:37,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:37,857 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-10-21 19:28:37,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:37,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2021-10-21 19:28:37,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:37,863 INFO L225 Difference]: With dead ends: 1209 [2021-10-21 19:28:37,864 INFO L226 Difference]: Without dead ends: 800 [2021-10-21 19:28:37,866 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 19:28:37,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-10-21 19:28:37,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-10-21 19:28:37,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 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 19:28:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions. [2021-10-21 19:28:37,905 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 130 [2021-10-21 19:28:37,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:37,906 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions. [2021-10-21 19:28:37,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 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 19:28:37,906 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions. [2021-10-21 19:28:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-21 19:28:37,910 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:37,910 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:28:37,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:28:37,911 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:37,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:37,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1046029789, now seen corresponding path program 1 times [2021-10-21 19:28:37,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:37,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004968603] [2021-10-21 19:28:37,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:37,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:38,113 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:38,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:38,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004968603] [2021-10-21 19:28:38,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004968603] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:38,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:38,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:28:38,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376222658] [2021-10-21 19:28:38,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:38,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:38,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:38,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:38,126 INFO L87 Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 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 19:28:38,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:38,933 INFO L93 Difference]: Finished difference Result 1942 states and 2629 transitions. [2021-10-21 19:28:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:38,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2021-10-21 19:28:38,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:38,939 INFO L225 Difference]: With dead ends: 1942 [2021-10-21 19:28:38,939 INFO L226 Difference]: Without dead ends: 1157 [2021-10-21 19:28:38,941 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:38,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-10-21 19:28:38,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156. [2021-10-21 19:28:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 0 states have call successors, (0), 0 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 19:28:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions. [2021-10-21 19:28:38,973 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 132 [2021-10-21 19:28:38,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:38,974 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions. [2021-10-21 19:28:38,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 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 19:28:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions. [2021-10-21 19:28:38,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-10-21 19:28:38,978 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:38,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:28:38,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:28:38,979 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:38,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:38,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1696825530, now seen corresponding path program 1 times [2021-10-21 19:28:38,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:38,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363859021] [2021-10-21 19:28:38,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:38,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:39,118 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:28:39,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:39,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363859021] [2021-10-21 19:28:39,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363859021] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:39,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:39,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:39,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575875847] [2021-10-21 19:28:39,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:39,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:39,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:39,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:39,121 INFO L87 Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:39,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:39,964 INFO L93 Difference]: Finished difference Result 2691 states and 3513 transitions. [2021-10-21 19:28:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:39,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 174 [2021-10-21 19:28:39,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:39,981 INFO L225 Difference]: With dead ends: 2691 [2021-10-21 19:28:39,982 INFO L226 Difference]: Without dead ends: 1721 [2021-10-21 19:28:39,986 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 19:28:39,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2021-10-21 19:28:40,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1528. [2021-10-21 19:28:40,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.260641781270465) internal successors, (1925), 1527 states have internal predecessors, (1925), 0 states have call successors, (0), 0 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 19:28:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1925 transitions. [2021-10-21 19:28:40,026 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1925 transitions. Word has length 174 [2021-10-21 19:28:40,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:40,028 INFO L470 AbstractCegarLoop]: Abstraction has 1528 states and 1925 transitions. [2021-10-21 19:28:40,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1925 transitions. [2021-10-21 19:28:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-10-21 19:28:40,034 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:40,034 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, 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] [2021-10-21 19:28:40,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:28:40,035 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:40,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:40,037 INFO L82 PathProgramCache]: Analyzing trace with hash 800976377, now seen corresponding path program 1 times [2021-10-21 19:28:40,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:40,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815517908] [2021-10-21 19:28:40,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:40,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:40,321 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-21 19:28:40,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:40,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815517908] [2021-10-21 19:28:40,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815517908] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:40,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:40,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:40,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345748500] [2021-10-21 19:28:40,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:40,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:40,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:40,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:40,325 INFO L87 Difference]: Start difference. First operand 1528 states and 1925 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:41,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:41,300 INFO L93 Difference]: Finished difference Result 4160 states and 5315 transitions. [2021-10-21 19:28:41,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:41,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 244 [2021-10-21 19:28:41,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:41,317 INFO L225 Difference]: With dead ends: 4160 [2021-10-21 19:28:41,317 INFO L226 Difference]: Without dead ends: 2634 [2021-10-21 19:28:41,320 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 19:28:41,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2021-10-21 19:28:41,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 2634. [2021-10-21 19:28:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2634 states, 2633 states have (on average 1.2468666919863274) internal successors, (3283), 2633 states have internal predecessors, (3283), 0 states have call successors, (0), 0 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 19:28:41,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2634 states and 3283 transitions. [2021-10-21 19:28:41,385 INFO L78 Accepts]: Start accepts. Automaton has 2634 states and 3283 transitions. Word has length 244 [2021-10-21 19:28:41,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:41,388 INFO L470 AbstractCegarLoop]: Abstraction has 2634 states and 3283 transitions. [2021-10-21 19:28:41,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3283 transitions. [2021-10-21 19:28:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-10-21 19:28:41,394 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:41,394 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:28:41,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:28:41,395 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:41,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:41,395 INFO L82 PathProgramCache]: Analyzing trace with hash 531389150, now seen corresponding path program 1 times [2021-10-21 19:28:41,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:41,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290163113] [2021-10-21 19:28:41,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:41,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-10-21 19:28:41,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:41,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290163113] [2021-10-21 19:28:41,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290163113] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:41,537 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:41,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:28:41,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194560648] [2021-10-21 19:28:41,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:41,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:41,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:41,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:41,544 INFO L87 Difference]: Start difference. First operand 2634 states and 3283 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 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 19:28:42,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:42,327 INFO L93 Difference]: Finished difference Result 6553 states and 8157 transitions. [2021-10-21 19:28:42,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:42,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 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 255 [2021-10-21 19:28:42,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:42,356 INFO L225 Difference]: With dead ends: 6553 [2021-10-21 19:28:42,357 INFO L226 Difference]: Without dead ends: 3921 [2021-10-21 19:28:42,360 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:28:42,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3921 states. [2021-10-21 19:28:42,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3921 to 3185. [2021-10-21 19:28:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 3184 states have (on average 1.1699120603015076) internal successors, (3725), 3184 states have internal predecessors, (3725), 0 states have call successors, (0), 0 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 19:28:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 3725 transitions. [2021-10-21 19:28:42,450 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 3725 transitions. Word has length 255 [2021-10-21 19:28:42,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:42,451 INFO L470 AbstractCegarLoop]: Abstraction has 3185 states and 3725 transitions. [2021-10-21 19:28:42,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 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 19:28:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 3725 transitions. [2021-10-21 19:28:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-10-21 19:28:42,457 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:42,457 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:28:42,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:28:42,458 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:42,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:42,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1060462334, now seen corresponding path program 1 times [2021-10-21 19:28:42,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:42,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472088223] [2021-10-21 19:28:42,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:42,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-10-21 19:28:42,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:42,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472088223] [2021-10-21 19:28:42,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472088223] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:42,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:42,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:42,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747415687] [2021-10-21 19:28:42,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:42,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:42,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:42,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:42,666 INFO L87 Difference]: Start difference. First operand 3185 states and 3725 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:43,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:43,574 INFO L93 Difference]: Finished difference Result 7108 states and 8338 transitions. [2021-10-21 19:28:43,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:43,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2021-10-21 19:28:43,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:43,596 INFO L225 Difference]: With dead ends: 7108 [2021-10-21 19:28:43,596 INFO L226 Difference]: Without dead ends: 3925 [2021-10-21 19:28:43,600 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 19:28:43,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3925 states. [2021-10-21 19:28:43,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3925 to 3736. [2021-10-21 19:28:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3736 states, 3735 states have (on average 1.1606425702811245) internal successors, (4335), 3735 states have internal predecessors, (4335), 0 states have call successors, (0), 0 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 19:28:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3736 states to 3736 states and 4335 transitions. [2021-10-21 19:28:43,696 INFO L78 Accepts]: Start accepts. Automaton has 3736 states and 4335 transitions. Word has length 271 [2021-10-21 19:28:43,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:43,697 INFO L470 AbstractCegarLoop]: Abstraction has 3736 states and 4335 transitions. [2021-10-21 19:28:43,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 3736 states and 4335 transitions. [2021-10-21 19:28:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-10-21 19:28:43,703 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:43,704 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:28:43,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:28:43,704 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:43,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:43,705 INFO L82 PathProgramCache]: Analyzing trace with hash 639036590, now seen corresponding path program 1 times [2021-10-21 19:28:43,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:43,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586251074] [2021-10-21 19:28:43,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:43,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:43,915 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2021-10-21 19:28:43,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:43,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586251074] [2021-10-21 19:28:43,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586251074] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:43,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:43,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:43,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184440375] [2021-10-21 19:28:43,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:43,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:43,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:43,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:43,918 INFO L87 Difference]: Start difference. First operand 3736 states and 4335 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 19:28:44,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:44,730 INFO L93 Difference]: Finished difference Result 8579 states and 9918 transitions. [2021-10-21 19:28:44,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:44,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 284 [2021-10-21 19:28:44,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:44,758 INFO L225 Difference]: With dead ends: 8579 [2021-10-21 19:28:44,758 INFO L226 Difference]: Without dead ends: 4845 [2021-10-21 19:28:44,763 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 19:28:44,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4845 states. [2021-10-21 19:28:44,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4845 to 4844. [2021-10-21 19:28:44,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4844 states, 4843 states have (on average 1.1525913689861655) internal successors, (5582), 4843 states have internal predecessors, (5582), 0 states have call successors, (0), 0 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 19:28:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4844 states to 4844 states and 5582 transitions. [2021-10-21 19:28:44,870 INFO L78 Accepts]: Start accepts. Automaton has 4844 states and 5582 transitions. Word has length 284 [2021-10-21 19:28:44,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:44,871 INFO L470 AbstractCegarLoop]: Abstraction has 4844 states and 5582 transitions. [2021-10-21 19:28:44,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 19:28:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 4844 states and 5582 transitions. [2021-10-21 19:28:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-10-21 19:28:44,878 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:44,879 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:28:44,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:28:44,879 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:44,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:44,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1603746634, now seen corresponding path program 1 times [2021-10-21 19:28:44,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:44,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995240028] [2021-10-21 19:28:44,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:44,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-10-21 19:28:45,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:45,055 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995240028] [2021-10-21 19:28:45,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995240028] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:45,055 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:45,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:45,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346189420] [2021-10-21 19:28:45,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:45,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:45,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:45,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:45,057 INFO L87 Difference]: Start difference. First operand 4844 states and 5582 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 19:28:45,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:45,789 INFO L93 Difference]: Finished difference Result 10238 states and 11865 transitions. [2021-10-21 19:28:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:45,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 293 [2021-10-21 19:28:45,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:45,819 INFO L225 Difference]: With dead ends: 10238 [2021-10-21 19:28:45,819 INFO L226 Difference]: Without dead ends: 5764 [2021-10-21 19:28:45,825 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 19:28:45,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5764 states. [2021-10-21 19:28:45,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5764 to 5212. [2021-10-21 19:28:45,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5212 states, 5211 states have (on average 1.146421032431395) internal successors, (5974), 5211 states have internal predecessors, (5974), 0 states have call successors, (0), 0 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 19:28:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 5974 transitions. [2021-10-21 19:28:45,934 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 5974 transitions. Word has length 293 [2021-10-21 19:28:45,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:45,935 INFO L470 AbstractCegarLoop]: Abstraction has 5212 states and 5974 transitions. [2021-10-21 19:28:45,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 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 19:28:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 5974 transitions. [2021-10-21 19:28:45,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-10-21 19:28:45,944 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:45,944 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:28:45,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:28:45,945 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:45,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:45,945 INFO L82 PathProgramCache]: Analyzing trace with hash -971055813, now seen corresponding path program 1 times [2021-10-21 19:28:45,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:45,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781400865] [2021-10-21 19:28:45,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:45,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-21 19:28:46,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:46,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781400865] [2021-10-21 19:28:46,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781400865] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:46,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:46,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:46,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094508617] [2021-10-21 19:28:46,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:46,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:46,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:46,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:46,125 INFO L87 Difference]: Start difference. First operand 5212 states and 5974 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 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 19:28:46,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:46,907 INFO L93 Difference]: Finished difference Result 12262 states and 14255 transitions. [2021-10-21 19:28:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:46,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 321 [2021-10-21 19:28:46,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:46,942 INFO L225 Difference]: With dead ends: 12262 [2021-10-21 19:28:46,942 INFO L226 Difference]: Without dead ends: 7420 [2021-10-21 19:28:46,949 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 19:28:46,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7420 states. [2021-10-21 19:28:47,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7420 to 7235. [2021-10-21 19:28:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7235 states, 7234 states have (on average 1.1385125794857618) internal successors, (8236), 7234 states have internal predecessors, (8236), 0 states have call successors, (0), 0 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 19:28:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7235 states to 7235 states and 8236 transitions. [2021-10-21 19:28:47,091 INFO L78 Accepts]: Start accepts. Automaton has 7235 states and 8236 transitions. Word has length 321 [2021-10-21 19:28:47,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:47,092 INFO L470 AbstractCegarLoop]: Abstraction has 7235 states and 8236 transitions. [2021-10-21 19:28:47,092 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 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 19:28:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 7235 states and 8236 transitions. [2021-10-21 19:28:47,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-10-21 19:28:47,110 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:47,111 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:28:47,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:28:47,111 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:47,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:47,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1551061136, now seen corresponding path program 1 times [2021-10-21 19:28:47,112 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:47,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168049106] [2021-10-21 19:28:47,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:47,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:47,342 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 417 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-10-21 19:28:47,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:47,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168049106] [2021-10-21 19:28:47,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168049106] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:47,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:47,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:47,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638161181] [2021-10-21 19:28:47,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:47,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:47,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:47,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:47,346 INFO L87 Difference]: Start difference. First operand 7235 states and 8236 transitions. Second operand has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:48,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:48,075 INFO L93 Difference]: Finished difference Result 15954 states and 18177 transitions. [2021-10-21 19:28:48,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:48,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 434 [2021-10-21 19:28:48,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:48,103 INFO L225 Difference]: With dead ends: 15954 [2021-10-21 19:28:48,103 INFO L226 Difference]: Without dead ends: 8905 [2021-10-21 19:28:48,111 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 19:28:48,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8905 states. [2021-10-21 19:28:48,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8905 to 8891. [2021-10-21 19:28:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8891 states, 8890 states have (on average 1.1227221597300336) internal successors, (9981), 8890 states have internal predecessors, (9981), 0 states have call successors, (0), 0 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 19:28:48,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8891 states to 8891 states and 9981 transitions. [2021-10-21 19:28:48,304 INFO L78 Accepts]: Start accepts. Automaton has 8891 states and 9981 transitions. Word has length 434 [2021-10-21 19:28:48,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:48,305 INFO L470 AbstractCegarLoop]: Abstraction has 8891 states and 9981 transitions. [2021-10-21 19:28:48,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.0) internal successors, (324), 3 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:28:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 8891 states and 9981 transitions. [2021-10-21 19:28:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2021-10-21 19:28:48,323 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:48,324 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:28:48,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:28:48,324 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:48,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:48,325 INFO L82 PathProgramCache]: Analyzing trace with hash 531016907, now seen corresponding path program 1 times [2021-10-21 19:28:48,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:48,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623204650] [2021-10-21 19:28:48,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:48,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 632 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-10-21 19:28:48,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:48,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623204650] [2021-10-21 19:28:48,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623204650] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:48,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:48,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:48,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547913017] [2021-10-21 19:28:48,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:48,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:48,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:48,537 INFO L87 Difference]: Start difference. First operand 8891 states and 9981 transitions. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 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 19:28:49,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:49,420 INFO L93 Difference]: Finished difference Result 18699 states and 21106 transitions. [2021-10-21 19:28:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:49,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 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 486 [2021-10-21 19:28:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:49,447 INFO L225 Difference]: With dead ends: 18699 [2021-10-21 19:28:49,447 INFO L226 Difference]: Without dead ends: 10178 [2021-10-21 19:28:49,456 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 19:28:49,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10178 states. [2021-10-21 19:28:49,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10178 to 9994. [2021-10-21 19:28:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9994 states, 9993 states have (on average 1.1252877013909737) internal successors, (11245), 9993 states have internal predecessors, (11245), 0 states have call successors, (0), 0 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 19:28:49,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9994 states to 9994 states and 11245 transitions. [2021-10-21 19:28:49,615 INFO L78 Accepts]: Start accepts. Automaton has 9994 states and 11245 transitions. Word has length 486 [2021-10-21 19:28:49,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:49,615 INFO L470 AbstractCegarLoop]: Abstraction has 9994 states and 11245 transitions. [2021-10-21 19:28:49,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 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 19:28:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 9994 states and 11245 transitions. [2021-10-21 19:28:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-10-21 19:28:49,635 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:49,636 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, 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, 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 19:28:49,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:28:49,636 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:49,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:49,637 INFO L82 PathProgramCache]: Analyzing trace with hash -236333549, now seen corresponding path program 1 times [2021-10-21 19:28:49,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:49,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299221555] [2021-10-21 19:28:49,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:49,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:49,904 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 586 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-10-21 19:28:49,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:49,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299221555] [2021-10-21 19:28:49,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299221555] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:49,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:49,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:49,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934566654] [2021-10-21 19:28:49,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:49,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:49,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:49,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:49,907 INFO L87 Difference]: Start difference. First operand 9994 states and 11245 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 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 19:28:50,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:50,738 INFO L93 Difference]: Finished difference Result 22027 states and 24894 transitions. [2021-10-21 19:28:50,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:50,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 522 [2021-10-21 19:28:50,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:50,760 INFO L225 Difference]: With dead ends: 22027 [2021-10-21 19:28:50,761 INFO L226 Difference]: Without dead ends: 12403 [2021-10-21 19:28:50,772 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:50,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12403 states. [2021-10-21 19:28:50,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12403 to 12215. [2021-10-21 19:28:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12215 states, 12214 states have (on average 1.1200261994432619) internal successors, (13680), 12214 states have internal predecessors, (13680), 0 states have call successors, (0), 0 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 19:28:51,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12215 states to 12215 states and 13680 transitions. [2021-10-21 19:28:51,007 INFO L78 Accepts]: Start accepts. Automaton has 12215 states and 13680 transitions. Word has length 522 [2021-10-21 19:28:51,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:51,008 INFO L470 AbstractCegarLoop]: Abstraction has 12215 states and 13680 transitions. [2021-10-21 19:28:51,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 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 19:28:51,009 INFO L276 IsEmpty]: Start isEmpty. Operand 12215 states and 13680 transitions. [2021-10-21 19:28:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2021-10-21 19:28:51,031 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:51,031 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, 4, 4, 4, 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, 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] [2021-10-21 19:28:51,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:28:51,032 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:51,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:51,033 INFO L82 PathProgramCache]: Analyzing trace with hash 941049859, now seen corresponding path program 1 times [2021-10-21 19:28:51,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:51,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269686644] [2021-10-21 19:28:51,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:51,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 619 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-10-21 19:28:51,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:51,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269686644] [2021-10-21 19:28:51,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269686644] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:28:51,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:28:51,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:28:51,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386967047] [2021-10-21 19:28:51,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:28:51,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:28:51,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:28:51,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:28:51,231 INFO L87 Difference]: Start difference. First operand 12215 states and 13680 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 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 19:28:52,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:28:52,217 INFO L93 Difference]: Finished difference Result 27191 states and 30476 transitions. [2021-10-21 19:28:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:28:52,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 19:28:52,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:28:52,244 INFO L225 Difference]: With dead ends: 27191 [2021-10-21 19:28:52,245 INFO L226 Difference]: Without dead ends: 15346 [2021-10-21 19:28:52,256 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 19:28:52,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15346 states. [2021-10-21 19:28:52,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15346 to 14415. [2021-10-21 19:28:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14415 states, 14414 states have (on average 1.1133620091577632) internal successors, (16048), 14414 states have internal predecessors, (16048), 0 states have call successors, (0), 0 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 19:28:52,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14415 states to 14415 states and 16048 transitions. [2021-10-21 19:28:52,581 INFO L78 Accepts]: Start accepts. Automaton has 14415 states and 16048 transitions. Word has length 526 [2021-10-21 19:28:52,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:28:52,582 INFO L470 AbstractCegarLoop]: Abstraction has 14415 states and 16048 transitions. [2021-10-21 19:28:52,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 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 19:28:52,582 INFO L276 IsEmpty]: Start isEmpty. Operand 14415 states and 16048 transitions. [2021-10-21 19:28:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-10-21 19:28:52,607 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:28:52,608 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:28:52,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-21 19:28:52,608 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:28:52,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:28:52,609 INFO L82 PathProgramCache]: Analyzing trace with hash -540773030, now seen corresponding path program 1 times [2021-10-21 19:28:52,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:28:52,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496833838] [2021-10-21 19:28:52,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:52,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:28:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 320 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-10-21 19:28:52,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:28:52,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496833838] [2021-10-21 19:28:52,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496833838] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:28:52,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286881360] [2021-10-21 19:28:52,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:28:52,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:28:52,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:28:52,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:28:52,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:28:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:28:53,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:28:53,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:09,432 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 320 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-10-21 19:29:09,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286881360] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:09,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:29:09,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-21 19:29:09,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534989434] [2021-10-21 19:29:09,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:29:09,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:09,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:29:09,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:29:09,444 INFO L87 Difference]: Start difference. First operand 14415 states and 16048 transitions. Second operand has 7 states, 7 states have (on average 66.14285714285714) internal successors, (463), 6 states have internal predecessors, (463), 0 states have call successors, (0), 0 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 19:29:12,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:12,539 INFO L93 Difference]: Finished difference Result 40271 states and 44912 transitions. [2021-10-21 19:29:12,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:29:12,540 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 66.14285714285714) internal successors, (463), 6 states have internal predecessors, (463), 0 states have call successors, (0), 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 532 [2021-10-21 19:29:12,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:12,589 INFO L225 Difference]: With dead ends: 40271 [2021-10-21 19:29:12,589 INFO L226 Difference]: Without dead ends: 26226 [2021-10-21 19:29:12,604 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 536 GetRequests, 471 SyntacticMatches, 60 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 895.6ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:29:12,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26226 states. [2021-10-21 19:29:12,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26226 to 19217. [2021-10-21 19:29:12,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19217 states, 19216 states have (on average 1.1238551207327228) internal successors, (21596), 19216 states have internal predecessors, (21596), 0 states have call successors, (0), 0 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 19:29:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19217 states to 19217 states and 21596 transitions. [2021-10-21 19:29:12,914 INFO L78 Accepts]: Start accepts. Automaton has 19217 states and 21596 transitions. Word has length 532 [2021-10-21 19:29:12,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:12,915 INFO L470 AbstractCegarLoop]: Abstraction has 19217 states and 21596 transitions. [2021-10-21 19:29:12,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 66.14285714285714) internal successors, (463), 6 states have internal predecessors, (463), 0 states have call successors, (0), 0 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 19:29:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 19217 states and 21596 transitions. [2021-10-21 19:29:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-10-21 19:29:12,937 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:12,938 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, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:12,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:13,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-21 19:29:13,162 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:13,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:13,163 INFO L82 PathProgramCache]: Analyzing trace with hash -41039764, now seen corresponding path program 1 times [2021-10-21 19:29:13,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:13,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981031489] [2021-10-21 19:29:13,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:13,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 612 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-10-21 19:29:13,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:13,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981031489] [2021-10-21 19:29:13,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981031489] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:13,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:13,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:13,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753392816] [2021-10-21 19:29:13,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:29:13,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:13,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:29:13,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:13,359 INFO L87 Difference]: Start difference. First operand 19217 states and 21596 transitions. Second operand has 4 states, 4 states have (on average 87.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 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 19:29:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:14,560 INFO L93 Difference]: Finished difference Result 46913 states and 52456 transitions. [2021-10-21 19:29:14,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:29:14,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 87.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 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 537 [2021-10-21 19:29:14,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:14,599 INFO L225 Difference]: With dead ends: 46913 [2021-10-21 19:29:14,599 INFO L226 Difference]: Without dead ends: 27882 [2021-10-21 19:29:14,611 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 19:29:14,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27882 states. [2021-10-21 19:29:14,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27882 to 25847. [2021-10-21 19:29:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25847 states, 25846 states have (on average 1.1138280585003482) internal successors, (28788), 25846 states have internal predecessors, (28788), 0 states have call successors, (0), 0 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 19:29:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25847 states to 25847 states and 28788 transitions. [2021-10-21 19:29:14,946 INFO L78 Accepts]: Start accepts. Automaton has 25847 states and 28788 transitions. Word has length 537 [2021-10-21 19:29:14,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:14,947 INFO L470 AbstractCegarLoop]: Abstraction has 25847 states and 28788 transitions. [2021-10-21 19:29:14,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 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 19:29:14,947 INFO L276 IsEmpty]: Start isEmpty. Operand 25847 states and 28788 transitions. [2021-10-21 19:29:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2021-10-21 19:29:14,975 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:14,976 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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 19:29:14,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 19:29:14,976 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:14,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:14,977 INFO L82 PathProgramCache]: Analyzing trace with hash -441751579, now seen corresponding path program 1 times [2021-10-21 19:29:14,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:14,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679813240] [2021-10-21 19:29:14,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:14,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 940 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-10-21 19:29:15,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:15,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679813240] [2021-10-21 19:29:15,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679813240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:15,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:15,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:15,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902354346] [2021-10-21 19:29:15,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:15,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:15,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:15,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:15,306 INFO L87 Difference]: Start difference. First operand 25847 states and 28788 transitions. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 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 19:29:16,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:16,200 INFO L93 Difference]: Finished difference Result 53548 states and 59629 transitions. [2021-10-21 19:29:16,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:16,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 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 628 [2021-10-21 19:29:16,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:16,238 INFO L225 Difference]: With dead ends: 53548 [2021-10-21 19:29:16,238 INFO L226 Difference]: Without dead ends: 28071 [2021-10-21 19:29:16,252 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 19:29:16,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28071 states. [2021-10-21 19:29:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28071 to 25479. [2021-10-21 19:29:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25479 states, 25478 states have (on average 1.1135881937357721) internal successors, (28372), 25478 states have internal predecessors, (28372), 0 states have call successors, (0), 0 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 19:29:16,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25479 states to 25479 states and 28372 transitions. [2021-10-21 19:29:16,578 INFO L78 Accepts]: Start accepts. Automaton has 25479 states and 28372 transitions. Word has length 628 [2021-10-21 19:29:16,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:16,579 INFO L470 AbstractCegarLoop]: Abstraction has 25479 states and 28372 transitions. [2021-10-21 19:29:16,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 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 19:29:16,579 INFO L276 IsEmpty]: Start isEmpty. Operand 25479 states and 28372 transitions. [2021-10-21 19:29:16,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2021-10-21 19:29:16,689 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:16,690 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2021-10-21 19:29:16,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 19:29:16,690 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:16,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:16,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1263406380, now seen corresponding path program 1 times [2021-10-21 19:29:16,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:16,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550513695] [2021-10-21 19:29:16,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:16,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2021-10-21 19:29:16,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:16,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550513695] [2021-10-21 19:29:16,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550513695] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:16,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:16,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:16,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126452894] [2021-10-21 19:29:16,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:16,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:16,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:16,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:16,966 INFO L87 Difference]: Start difference. First operand 25479 states and 28372 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 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 19:29:17,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:17,816 INFO L93 Difference]: Finished difference Result 52981 states and 58959 transitions. [2021-10-21 19:29:17,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:17,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 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 649 [2021-10-21 19:29:17,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:17,847 INFO L225 Difference]: With dead ends: 52981 [2021-10-21 19:29:17,847 INFO L226 Difference]: Without dead ends: 27872 [2021-10-21 19:29:17,861 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 19:29:17,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27872 states. [2021-10-21 19:29:18,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27872 to 25111. [2021-10-21 19:29:18,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25111 states, 25110 states have (on average 1.1046594982078852) internal successors, (27738), 25110 states have internal predecessors, (27738), 0 states have call successors, (0), 0 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 19:29:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25111 states to 25111 states and 27738 transitions. [2021-10-21 19:29:18,340 INFO L78 Accepts]: Start accepts. Automaton has 25111 states and 27738 transitions. Word has length 649 [2021-10-21 19:29:18,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:18,342 INFO L470 AbstractCegarLoop]: Abstraction has 25111 states and 27738 transitions. [2021-10-21 19:29:18,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 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 19:29:18,342 INFO L276 IsEmpty]: Start isEmpty. Operand 25111 states and 27738 transitions. [2021-10-21 19:29:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2021-10-21 19:29:18,372 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:18,373 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:29:18,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 19:29:18,374 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:18,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:18,374 INFO L82 PathProgramCache]: Analyzing trace with hash -437725028, now seen corresponding path program 1 times [2021-10-21 19:29:18,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:18,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926006739] [2021-10-21 19:29:18,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:18,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-10-21 19:29:18,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:18,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926006739] [2021-10-21 19:29:18,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926006739] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:18,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:18,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:18,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811263467] [2021-10-21 19:29:18,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:18,674 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:18,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:18,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:18,675 INFO L87 Difference]: Start difference. First operand 25111 states and 27738 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 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 19:29:19,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:19,558 INFO L93 Difference]: Finished difference Result 51507 states and 56870 transitions. [2021-10-21 19:29:19,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:19,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 682 [2021-10-21 19:29:19,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:19,579 INFO L225 Difference]: With dead ends: 51507 [2021-10-21 19:29:19,579 INFO L226 Difference]: Without dead ends: 26766 [2021-10-21 19:29:19,591 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 19:29:19,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26766 states. [2021-10-21 19:29:19,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26766 to 22705. [2021-10-21 19:29:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22705 states, 22704 states have (on average 1.0976479915433404) internal successors, (24921), 22704 states have internal predecessors, (24921), 0 states have call successors, (0), 0 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 19:29:19,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22705 states to 22705 states and 24921 transitions. [2021-10-21 19:29:19,930 INFO L78 Accepts]: Start accepts. Automaton has 22705 states and 24921 transitions. Word has length 682 [2021-10-21 19:29:19,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:19,930 INFO L470 AbstractCegarLoop]: Abstraction has 22705 states and 24921 transitions. [2021-10-21 19:29:19,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 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 19:29:19,931 INFO L276 IsEmpty]: Start isEmpty. Operand 22705 states and 24921 transitions. [2021-10-21 19:29:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2021-10-21 19:29:19,945 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:19,946 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:19,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-21 19:29:19,946 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:19,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:19,947 INFO L82 PathProgramCache]: Analyzing trace with hash -555156418, now seen corresponding path program 1 times [2021-10-21 19:29:19,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:19,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289023501] [2021-10-21 19:29:19,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:19,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1354 backedges. 879 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-21 19:29:20,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:20,418 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289023501] [2021-10-21 19:29:20,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289023501] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:20,419 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:20,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:29:20,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113491438] [2021-10-21 19:29:20,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:29:20,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:20,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:29:20,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:29:20,421 INFO L87 Difference]: Start difference. First operand 22705 states and 24921 transitions. Second operand has 7 states, 7 states have (on average 59.0) internal successors, (413), 6 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:22,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:22,309 INFO L93 Difference]: Finished difference Result 51741 states and 56654 transitions. [2021-10-21 19:29:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:29:22,310 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 59.0) internal successors, (413), 6 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 683 [2021-10-21 19:29:22,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:22,340 INFO L225 Difference]: With dead ends: 51741 [2021-10-21 19:29:22,340 INFO L226 Difference]: Without dead ends: 29406 [2021-10-21 19:29:22,355 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 89.1ms TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:29:22,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29406 states. [2021-10-21 19:29:22,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29406 to 23254. [2021-10-21 19:29:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23254 states, 23253 states have (on average 1.0967617081666883) internal successors, (25503), 23253 states have internal predecessors, (25503), 0 states have call successors, (0), 0 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 19:29:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23254 states to 23254 states and 25503 transitions. [2021-10-21 19:29:22,854 INFO L78 Accepts]: Start accepts. Automaton has 23254 states and 25503 transitions. Word has length 683 [2021-10-21 19:29:22,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:22,854 INFO L470 AbstractCegarLoop]: Abstraction has 23254 states and 25503 transitions. [2021-10-21 19:29:22,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 59.0) internal successors, (413), 6 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:22,855 INFO L276 IsEmpty]: Start isEmpty. Operand 23254 states and 25503 transitions. [2021-10-21 19:29:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2021-10-21 19:29:22,877 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:22,878 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:22,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-21 19:29:22,878 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:22,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:22,879 INFO L82 PathProgramCache]: Analyzing trace with hash 817566167, now seen corresponding path program 1 times [2021-10-21 19:29:22,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:22,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382904985] [2021-10-21 19:29:22,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:22,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 901 proven. 8 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-21 19:29:23,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:23,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382904985] [2021-10-21 19:29:23,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382904985] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:23,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193292890] [2021-10-21 19:29:23,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:23,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:23,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:23,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:23,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:29:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:23,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:29:24,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 788 proven. 121 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-21 19:29:27,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193292890] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:27,199 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:29:27,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2021-10-21 19:29:27,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519930175] [2021-10-21 19:29:27,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-21 19:29:27,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:27,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-21 19:29:27,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:29:27,205 INFO L87 Difference]: Start difference. First operand 23254 states and 25503 transitions. Second operand has 9 states, 9 states have (on average 78.55555555555556) internal successors, (707), 8 states have internal predecessors, (707), 0 states have call successors, (0), 0 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 19:29:30,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:30,682 INFO L93 Difference]: Finished difference Result 53946 states and 59002 transitions. [2021-10-21 19:29:30,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-21 19:29:30,682 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 78.55555555555556) internal successors, (707), 8 states have internal predecessors, (707), 0 states have call successors, (0), 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 693 [2021-10-21 19:29:30,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:30,703 INFO L225 Difference]: With dead ends: 53946 [2021-10-21 19:29:30,703 INFO L226 Difference]: Without dead ends: 31246 [2021-10-21 19:29:30,713 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 412.9ms TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2021-10-21 19:29:30,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31246 states. [2021-10-21 19:29:30,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31246 to 28588. [2021-10-21 19:29:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28588 states, 28587 states have (on average 1.0905306607898695) internal successors, (31175), 28587 states have internal predecessors, (31175), 0 states have call successors, (0), 0 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 19:29:31,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28588 states to 28588 states and 31175 transitions. [2021-10-21 19:29:31,011 INFO L78 Accepts]: Start accepts. Automaton has 28588 states and 31175 transitions. Word has length 693 [2021-10-21 19:29:31,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:31,011 INFO L470 AbstractCegarLoop]: Abstraction has 28588 states and 31175 transitions. [2021-10-21 19:29:31,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 78.55555555555556) internal successors, (707), 8 states have internal predecessors, (707), 0 states have call successors, (0), 0 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 19:29:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 28588 states and 31175 transitions. [2021-10-21 19:29:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2021-10-21 19:29:31,031 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:31,032 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-10-21 19:29:31,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:31,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:31,233 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:31,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:31,233 INFO L82 PathProgramCache]: Analyzing trace with hash 281217285, now seen corresponding path program 1 times [2021-10-21 19:29:31,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:31,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367871114] [2021-10-21 19:29:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:31,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 978 proven. 213 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2021-10-21 19:29:31,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:31,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367871114] [2021-10-21 19:29:31,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367871114] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:31,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535289861] [2021-10-21 19:29:31,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:31,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:31,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:31,616 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:31,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 19:29:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:32,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:29:32,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:34,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 918 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-21 19:29:34,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535289861] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:34,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:34,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-21 19:29:34,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654924378] [2021-10-21 19:29:34,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:34,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:34,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:34,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:29:34,271 INFO L87 Difference]: Start difference. First operand 28588 states and 31175 transitions. Second operand has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 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 19:29:35,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:35,150 INFO L93 Difference]: Finished difference Result 55721 states and 60855 transitions. [2021-10-21 19:29:35,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:35,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 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 698 [2021-10-21 19:29:35,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:35,170 INFO L225 Difference]: With dead ends: 55721 [2021-10-21 19:29:35,170 INFO L226 Difference]: Without dead ends: 29895 [2021-10-21 19:29:35,175 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 699 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.2ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:29:35,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29895 states. [2021-10-21 19:29:35,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29895 to 28784. [2021-10-21 19:29:35,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28784 states, 28783 states have (on average 1.0867525970190737) internal successors, (31280), 28783 states have internal predecessors, (31280), 0 states have call successors, (0), 0 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 19:29:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28784 states to 28784 states and 31280 transitions. [2021-10-21 19:29:35,448 INFO L78 Accepts]: Start accepts. Automaton has 28784 states and 31280 transitions. Word has length 698 [2021-10-21 19:29:35,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:35,448 INFO L470 AbstractCegarLoop]: Abstraction has 28784 states and 31280 transitions. [2021-10-21 19:29:35,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.66666666666666) internal successors, (428), 3 states have internal predecessors, (428), 0 states have call successors, (0), 0 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 19:29:35,448 INFO L276 IsEmpty]: Start isEmpty. Operand 28784 states and 31280 transitions. [2021-10-21 19:29:35,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2021-10-21 19:29:35,464 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:35,464 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:35,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-21 19:29:35,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:35,665 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:35,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:35,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1137272937, now seen corresponding path program 1 times [2021-10-21 19:29:35,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:35,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977171233] [2021-10-21 19:29:35,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:35,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1102 proven. 64 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-10-21 19:29:35,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:35,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977171233] [2021-10-21 19:29:35,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977171233] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:35,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981914183] [2021-10-21 19:29:35,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:35,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:35,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:35,973 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:35,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-21 19:29:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:37,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:29:37,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:29:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1166 proven. 0 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-10-21 19:29:38,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981914183] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:38,585 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:29:38,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 19:29:38,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786740725] [2021-10-21 19:29:38,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:38,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:38,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:38,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:38,589 INFO L87 Difference]: Start difference. First operand 28784 states and 31280 transitions. Second operand has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 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 19:29:39,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:39,383 INFO L93 Difference]: Finished difference Result 56655 states and 61579 transitions. [2021-10-21 19:29:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:39,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 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 708 [2021-10-21 19:29:39,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:39,419 INFO L225 Difference]: With dead ends: 56655 [2021-10-21 19:29:39,419 INFO L226 Difference]: Without dead ends: 30633 [2021-10-21 19:29:39,435 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.2ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 19:29:39,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30633 states. [2021-10-21 19:29:39,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30633 to 28416. [2021-10-21 19:29:39,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28416 states, 28415 states have (on average 1.085095900052789) internal successors, (30833), 28415 states have internal predecessors, (30833), 0 states have call successors, (0), 0 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 19:29:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28416 states to 28416 states and 30833 transitions. [2021-10-21 19:29:39,832 INFO L78 Accepts]: Start accepts. Automaton has 28416 states and 30833 transitions. Word has length 708 [2021-10-21 19:29:39,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:39,832 INFO L470 AbstractCegarLoop]: Abstraction has 28416 states and 30833 transitions. [2021-10-21 19:29:39,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 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 19:29:39,833 INFO L276 IsEmpty]: Start isEmpty. Operand 28416 states and 30833 transitions. [2021-10-21 19:29:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2021-10-21 19:29:39,849 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:39,850 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:39,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:29:40,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-21 19:29:40,051 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:40,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:40,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1793538973, now seen corresponding path program 1 times [2021-10-21 19:29:40,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:40,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061541007] [2021-10-21 19:29:40,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:40,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:40,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 950 proven. 0 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2021-10-21 19:29:40,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:40,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061541007] [2021-10-21 19:29:40,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061541007] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:40,311 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:40,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:40,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436368171] [2021-10-21 19:29:40,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:29:40,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:40,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:29:40,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:40,314 INFO L87 Difference]: Start difference. First operand 28416 states and 30833 transitions. Second operand has 4 states, 4 states have (on average 111.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 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 19:29:41,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:41,282 INFO L93 Difference]: Finished difference Result 55913 states and 60661 transitions. [2021-10-21 19:29:41,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:29:41,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 111.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 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 714 [2021-10-21 19:29:41,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:41,305 INFO L225 Difference]: With dead ends: 55913 [2021-10-21 19:29:41,305 INFO L226 Difference]: Without dead ends: 29154 [2021-10-21 19:29:41,317 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:41,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29154 states. [2021-10-21 19:29:41,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29154 to 26022. [2021-10-21 19:29:41,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26022 states, 26021 states have (on average 1.0793974097844048) internal successors, (28087), 26021 states have internal predecessors, (28087), 0 states have call successors, (0), 0 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 19:29:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26022 states to 26022 states and 28087 transitions. [2021-10-21 19:29:41,694 INFO L78 Accepts]: Start accepts. Automaton has 26022 states and 28087 transitions. Word has length 714 [2021-10-21 19:29:41,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:41,695 INFO L470 AbstractCegarLoop]: Abstraction has 26022 states and 28087 transitions. [2021-10-21 19:29:41,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 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 19:29:41,695 INFO L276 IsEmpty]: Start isEmpty. Operand 26022 states and 28087 transitions. [2021-10-21 19:29:41,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2021-10-21 19:29:41,710 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:41,710 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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 19:29:41,710 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-21 19:29:41,711 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:41,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:41,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1570745887, now seen corresponding path program 1 times [2021-10-21 19:29:41,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:41,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382761343] [2021-10-21 19:29:41,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:41,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:41,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 1174 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-10-21 19:29:41,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:41,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382761343] [2021-10-21 19:29:41,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382761343] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:41,998 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:41,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:29:41,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904203112] [2021-10-21 19:29:42,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:29:42,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:42,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:29:42,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:42,001 INFO L87 Difference]: Start difference. First operand 26022 states and 28087 transitions. Second operand has 4 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 0 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 19:29:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:43,471 INFO L93 Difference]: Finished difference Result 55183 states and 59667 transitions. [2021-10-21 19:29:43,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:29:43,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 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 715 [2021-10-21 19:29:43,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:43,495 INFO L225 Difference]: With dead ends: 55183 [2021-10-21 19:29:43,496 INFO L226 Difference]: Without dead ends: 31739 [2021-10-21 19:29:43,505 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 19:29:43,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31739 states. [2021-10-21 19:29:43,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31739 to 29896. [2021-10-21 19:29:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29896 states, 29895 states have (on average 1.0745944137815688) internal successors, (32125), 29895 states have internal predecessors, (32125), 0 states have call successors, (0), 0 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 19:29:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29896 states to 29896 states and 32125 transitions. [2021-10-21 19:29:43,820 INFO L78 Accepts]: Start accepts. Automaton has 29896 states and 32125 transitions. Word has length 715 [2021-10-21 19:29:43,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:43,820 INFO L470 AbstractCegarLoop]: Abstraction has 29896 states and 32125 transitions. [2021-10-21 19:29:43,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 0 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 19:29:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29896 states and 32125 transitions. [2021-10-21 19:29:43,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 731 [2021-10-21 19:29:43,836 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:43,836 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2021-10-21 19:29:43,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-21 19:29:43,837 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:43,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:43,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1422148490, now seen corresponding path program 1 times [2021-10-21 19:29:43,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:43,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434552868] [2021-10-21 19:29:43,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:43,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1421 backedges. 1032 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-10-21 19:29:44,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:44,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434552868] [2021-10-21 19:29:44,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434552868] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:44,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:44,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:44,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072339919] [2021-10-21 19:29:44,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:44,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:44,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:44,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:44,182 INFO L87 Difference]: Start difference. First operand 29896 states and 32125 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:44,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:44,928 INFO L93 Difference]: Finished difference Result 57950 states and 62281 transitions. [2021-10-21 19:29:44,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:44,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 730 [2021-10-21 19:29:44,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:44,949 INFO L225 Difference]: With dead ends: 57950 [2021-10-21 19:29:44,949 INFO L226 Difference]: Without dead ends: 29527 [2021-10-21 19:29:44,960 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 19:29:44,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29527 states. [2021-10-21 19:29:45,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29527 to 28055. [2021-10-21 19:29:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28055 states, 28054 states have (on average 1.0718614101375918) internal successors, (30070), 28054 states have internal predecessors, (30070), 0 states have call successors, (0), 0 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 19:29:45,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28055 states to 28055 states and 30070 transitions. [2021-10-21 19:29:45,272 INFO L78 Accepts]: Start accepts. Automaton has 28055 states and 30070 transitions. Word has length 730 [2021-10-21 19:29:45,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:45,273 INFO L470 AbstractCegarLoop]: Abstraction has 28055 states and 30070 transitions. [2021-10-21 19:29:45,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:29:45,273 INFO L276 IsEmpty]: Start isEmpty. Operand 28055 states and 30070 transitions. [2021-10-21 19:29:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-10-21 19:29:45,287 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:45,287 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 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, 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] [2021-10-21 19:29:45,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-21 19:29:45,288 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:45,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:45,289 INFO L82 PathProgramCache]: Analyzing trace with hash 519647050, now seen corresponding path program 1 times [2021-10-21 19:29:45,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:45,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196661484] [2021-10-21 19:29:45,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:45,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2021-10-21 19:29:45,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:45,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196661484] [2021-10-21 19:29:45,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196661484] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:45,560 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:45,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:45,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474637571] [2021-10-21 19:29:45,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:45,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:45,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:45,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:45,562 INFO L87 Difference]: Start difference. First operand 28055 states and 30070 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 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 19:29:46,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:46,296 INFO L93 Difference]: Finished difference Result 52982 states and 56750 transitions. [2021-10-21 19:29:46,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:46,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 731 [2021-10-21 19:29:46,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:46,314 INFO L225 Difference]: With dead ends: 52982 [2021-10-21 19:29:46,315 INFO L226 Difference]: Without dead ends: 26399 [2021-10-21 19:29:46,325 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 19:29:46,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26399 states. [2021-10-21 19:29:46,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26399 to 20489. [2021-10-21 19:29:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20489 states, 20488 states have (on average 1.0542268645060524) internal successors, (21599), 20488 states have internal predecessors, (21599), 0 states have call successors, (0), 0 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 19:29:46,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20489 states to 20489 states and 21599 transitions. [2021-10-21 19:29:46,648 INFO L78 Accepts]: Start accepts. Automaton has 20489 states and 21599 transitions. Word has length 731 [2021-10-21 19:29:46,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:46,648 INFO L470 AbstractCegarLoop]: Abstraction has 20489 states and 21599 transitions. [2021-10-21 19:29:46,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 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 19:29:46,649 INFO L276 IsEmpty]: Start isEmpty. Operand 20489 states and 21599 transitions. [2021-10-21 19:29:46,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2021-10-21 19:29:46,661 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:46,661 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:46,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-21 19:29:46,661 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:46,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:46,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1641320910, now seen corresponding path program 1 times [2021-10-21 19:29:46,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:46,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751562744] [2021-10-21 19:29:46,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:46,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 1276 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2021-10-21 19:29:46,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:46,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751562744] [2021-10-21 19:29:46,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751562744] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:46,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:46,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:46,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624576887] [2021-10-21 19:29:46,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:46,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:46,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:46,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:46,921 INFO L87 Difference]: Start difference. First operand 20489 states and 21599 transitions. Second operand has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 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 19:29:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:47,682 INFO L93 Difference]: Finished difference Result 40982 states and 43199 transitions. [2021-10-21 19:29:47,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:47,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 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 737 [2021-10-21 19:29:47,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:47,708 INFO L225 Difference]: With dead ends: 40982 [2021-10-21 19:29:47,708 INFO L226 Difference]: Without dead ends: 22519 [2021-10-21 19:29:47,718 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 19:29:47,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22519 states. [2021-10-21 19:29:47,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22519 to 20305. [2021-10-21 19:29:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20305 states, 20304 states have (on average 1.0537825059101655) internal successors, (21396), 20304 states have internal predecessors, (21396), 0 states have call successors, (0), 0 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 19:29:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20305 states to 20305 states and 21396 transitions. [2021-10-21 19:29:47,924 INFO L78 Accepts]: Start accepts. Automaton has 20305 states and 21396 transitions. Word has length 737 [2021-10-21 19:29:47,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:47,925 INFO L470 AbstractCegarLoop]: Abstraction has 20305 states and 21396 transitions. [2021-10-21 19:29:47,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 0 states have call successors, (0), 0 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 19:29:47,925 INFO L276 IsEmpty]: Start isEmpty. Operand 20305 states and 21396 transitions. [2021-10-21 19:29:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2021-10-21 19:29:47,937 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:47,938 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:47,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-21 19:29:47,938 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:47,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:47,939 INFO L82 PathProgramCache]: Analyzing trace with hash 852126883, now seen corresponding path program 1 times [2021-10-21 19:29:47,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:47,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823081961] [2021-10-21 19:29:47,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:47,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2015 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2021-10-21 19:29:48,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:48,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823081961] [2021-10-21 19:29:48,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823081961] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:48,187 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:48,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:29:48,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932064590] [2021-10-21 19:29:48,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:48,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:48,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:48,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:48,190 INFO L87 Difference]: Start difference. First operand 20305 states and 21396 transitions. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 2 states have internal predecessors, (277), 0 states have call successors, (0), 0 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 19:29:48,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:48,563 INFO L93 Difference]: Finished difference Result 38581 states and 40675 transitions. [2021-10-21 19:29:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:48,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 2 states have internal predecessors, (277), 0 states have call successors, (0), 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 789 [2021-10-21 19:29:48,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:48,575 INFO L225 Difference]: With dead ends: 38581 [2021-10-21 19:29:48,575 INFO L226 Difference]: Without dead ends: 20302 [2021-10-21 19:29:48,582 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:29:48,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20302 states. [2021-10-21 19:29:48,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20302 to 20300. [2021-10-21 19:29:48,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20300 states, 20299 states have (on average 1.05364796295384) internal successors, (21388), 20299 states have internal predecessors, (21388), 0 states have call successors, (0), 0 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 19:29:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20300 states to 20300 states and 21388 transitions. [2021-10-21 19:29:48,892 INFO L78 Accepts]: Start accepts. Automaton has 20300 states and 21388 transitions. Word has length 789 [2021-10-21 19:29:48,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:48,893 INFO L470 AbstractCegarLoop]: Abstraction has 20300 states and 21388 transitions. [2021-10-21 19:29:48,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 2 states have internal predecessors, (277), 0 states have call successors, (0), 0 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 19:29:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 20300 states and 21388 transitions. [2021-10-21 19:29:48,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2021-10-21 19:29:48,912 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:48,912 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:48,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-21 19:29:48,913 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:48,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:48,913 INFO L82 PathProgramCache]: Analyzing trace with hash 126393737, now seen corresponding path program 1 times [2021-10-21 19:29:48,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:48,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597471280] [2021-10-21 19:29:48,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:48,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 1223 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-10-21 19:29:49,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:49,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597471280] [2021-10-21 19:29:49,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597471280] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:49,315 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:49,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:29:49,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333437733] [2021-10-21 19:29:49,316 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:29:49,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:49,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:29:49,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:49,317 INFO L87 Difference]: Start difference. First operand 20300 states and 21388 transitions. Second operand has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 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 19:29:50,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:50,367 INFO L93 Difference]: Finished difference Result 43554 states and 45902 transitions. [2021-10-21 19:29:50,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:29:50,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 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 790 [2021-10-21 19:29:50,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:50,386 INFO L225 Difference]: With dead ends: 43554 [2021-10-21 19:29:50,386 INFO L226 Difference]: Without dead ends: 25280 [2021-10-21 19:29:50,396 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 19:29:50,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25280 states. [2021-10-21 19:29:50,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25280 to 18828. [2021-10-21 19:29:50,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18828 states, 18827 states have (on average 1.0535401285388006) internal successors, (19835), 18827 states have internal predecessors, (19835), 0 states have call successors, (0), 0 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 19:29:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18828 states to 18828 states and 19835 transitions. [2021-10-21 19:29:50,665 INFO L78 Accepts]: Start accepts. Automaton has 18828 states and 19835 transitions. Word has length 790 [2021-10-21 19:29:50,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:50,666 INFO L470 AbstractCegarLoop]: Abstraction has 18828 states and 19835 transitions. [2021-10-21 19:29:50,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 0 states have call successors, (0), 0 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 19:29:50,667 INFO L276 IsEmpty]: Start isEmpty. Operand 18828 states and 19835 transitions. [2021-10-21 19:29:50,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2021-10-21 19:29:50,687 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:50,687 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 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] [2021-10-21 19:29:50,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-21 19:29:50,687 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:50,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:50,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1012813082, now seen corresponding path program 1 times [2021-10-21 19:29:50,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:50,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783557306] [2021-10-21 19:29:50,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:50,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2622 backedges. 1642 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2021-10-21 19:29:50,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:50,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783557306] [2021-10-21 19:29:50,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783557306] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:50,977 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:50,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:50,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402738571] [2021-10-21 19:29:50,979 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:29:50,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:50,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:29:50,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:50,980 INFO L87 Difference]: Start difference. First operand 18828 states and 19835 transitions. Second operand has 4 states, 4 states have (on average 99.5) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 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 19:29:52,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:52,040 INFO L93 Difference]: Finished difference Result 37301 states and 39300 transitions. [2021-10-21 19:29:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:29:52,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 99.5) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 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 882 [2021-10-21 19:29:52,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:52,053 INFO L225 Difference]: With dead ends: 37301 [2021-10-21 19:29:52,053 INFO L226 Difference]: Without dead ends: 20131 [2021-10-21 19:29:52,060 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:52,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20131 states. [2021-10-21 19:29:52,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20131 to 17540. [2021-10-21 19:29:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17540 states, 17539 states have (on average 1.053822908945778) internal successors, (18483), 17539 states have internal predecessors, (18483), 0 states have call successors, (0), 0 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 19:29:52,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17540 states to 17540 states and 18483 transitions. [2021-10-21 19:29:52,239 INFO L78 Accepts]: Start accepts. Automaton has 17540 states and 18483 transitions. Word has length 882 [2021-10-21 19:29:52,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:52,240 INFO L470 AbstractCegarLoop]: Abstraction has 17540 states and 18483 transitions. [2021-10-21 19:29:52,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 99.5) internal successors, (398), 3 states have internal predecessors, (398), 0 states have call successors, (0), 0 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 19:29:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 17540 states and 18483 transitions. [2021-10-21 19:29:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2021-10-21 19:29:52,252 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:52,253 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:29:52,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-21 19:29:52,253 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:52,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:52,254 INFO L82 PathProgramCache]: Analyzing trace with hash -277331887, now seen corresponding path program 1 times [2021-10-21 19:29:52,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:52,254 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492678584] [2021-10-21 19:29:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:52,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:52,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 1145 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2021-10-21 19:29:52,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:52,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492678584] [2021-10-21 19:29:52,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492678584] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:52,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:52,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:29:52,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302249561] [2021-10-21 19:29:52,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:52,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:52,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:52,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:52,500 INFO L87 Difference]: Start difference. First operand 17540 states and 18483 transitions. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 2 states have internal predecessors, (339), 0 states have call successors, (0), 0 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 19:29:52,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:52,893 INFO L93 Difference]: Finished difference Result 32680 states and 34462 transitions. [2021-10-21 19:29:52,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:52,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 2 states have internal predecessors, (339), 0 states have call successors, (0), 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 901 [2021-10-21 19:29:52,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:52,904 INFO L225 Difference]: With dead ends: 32680 [2021-10-21 19:29:52,904 INFO L226 Difference]: Without dead ends: 17166 [2021-10-21 19:29:52,917 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:29:52,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17166 states. [2021-10-21 19:29:53,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17166 to 17164. [2021-10-21 19:29:53,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17164 states, 17163 states have (on average 1.0534288877235916) internal successors, (18080), 17163 states have internal predecessors, (18080), 0 states have call successors, (0), 0 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 19:29:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17164 states to 17164 states and 18080 transitions. [2021-10-21 19:29:53,186 INFO L78 Accepts]: Start accepts. Automaton has 17164 states and 18080 transitions. Word has length 901 [2021-10-21 19:29:53,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:53,187 INFO L470 AbstractCegarLoop]: Abstraction has 17164 states and 18080 transitions. [2021-10-21 19:29:53,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 2 states have internal predecessors, (339), 0 states have call successors, (0), 0 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 19:29:53,187 INFO L276 IsEmpty]: Start isEmpty. Operand 17164 states and 18080 transitions. [2021-10-21 19:29:53,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 918 [2021-10-21 19:29:53,199 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:53,199 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:29:53,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-21 19:29:53,200 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:53,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:53,200 INFO L82 PathProgramCache]: Analyzing trace with hash 456086695, now seen corresponding path program 1 times [2021-10-21 19:29:53,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:53,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891037753] [2021-10-21 19:29:53,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:53,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:53,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 1609 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2021-10-21 19:29:53,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:53,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891037753] [2021-10-21 19:29:53,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891037753] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:53,544 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:53,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:29:53,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282664085] [2021-10-21 19:29:53,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:29:53,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:53,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:29:53,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:29:53,547 INFO L87 Difference]: Start difference. First operand 17164 states and 18080 transitions. Second operand has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 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 19:29:54,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:54,241 INFO L93 Difference]: Finished difference Result 33592 states and 35402 transitions. [2021-10-21 19:29:54,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:29:54,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 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 917 [2021-10-21 19:29:54,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:54,253 INFO L225 Difference]: With dead ends: 33592 [2021-10-21 19:29:54,253 INFO L226 Difference]: Without dead ends: 18454 [2021-10-21 19:29:54,258 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 19:29:54,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18454 states. [2021-10-21 19:29:54,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18454 to 16795. [2021-10-21 19:29:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16795 states, 16794 states have (on average 1.053709658211266) internal successors, (17696), 16794 states have internal predecessors, (17696), 0 states have call successors, (0), 0 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 19:29:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16795 states to 16795 states and 17696 transitions. [2021-10-21 19:29:54,429 INFO L78 Accepts]: Start accepts. Automaton has 16795 states and 17696 transitions. Word has length 917 [2021-10-21 19:29:54,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:54,430 INFO L470 AbstractCegarLoop]: Abstraction has 16795 states and 17696 transitions. [2021-10-21 19:29:54,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.66666666666666) internal successors, (437), 3 states have internal predecessors, (437), 0 states have call successors, (0), 0 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 19:29:54,430 INFO L276 IsEmpty]: Start isEmpty. Operand 16795 states and 17696 transitions. [2021-10-21 19:29:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1141 [2021-10-21 19:29:54,444 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:54,445 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-10-21 19:29:54,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-21 19:29:54,445 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:54,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:54,445 INFO L82 PathProgramCache]: Analyzing trace with hash -583638775, now seen corresponding path program 1 times [2021-10-21 19:29:54,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:54,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331556853] [2021-10-21 19:29:54,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:54,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:54,898 INFO L134 CoverageAnalysis]: Checked inductivity of 4314 backedges. 3101 proven. 0 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2021-10-21 19:29:54,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:54,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331556853] [2021-10-21 19:29:54,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331556853] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:29:54,898 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:29:54,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:29:54,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124882385] [2021-10-21 19:29:54,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:29:54,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:29:54,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:29:54,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:54,902 INFO L87 Difference]: Start difference. First operand 16795 states and 17696 transitions. Second operand has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 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 19:29:56,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:29:56,065 INFO L93 Difference]: Finished difference Result 38753 states and 40810 transitions. [2021-10-21 19:29:56,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:29:56,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 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 1140 [2021-10-21 19:29:56,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:29:56,079 INFO L225 Difference]: With dead ends: 38753 [2021-10-21 19:29:56,079 INFO L226 Difference]: Without dead ends: 23248 [2021-10-21 19:29:56,085 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:29:56,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23248 states. [2021-10-21 19:29:56,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23248 to 16803. [2021-10-21 19:29:56,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16803 states, 16802 states have (on average 1.0521366503987621) internal successors, (17678), 16802 states have internal predecessors, (17678), 0 states have call successors, (0), 0 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 19:29:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16803 states to 16803 states and 17678 transitions. [2021-10-21 19:29:56,285 INFO L78 Accepts]: Start accepts. Automaton has 16803 states and 17678 transitions. Word has length 1140 [2021-10-21 19:29:56,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:29:56,285 INFO L470 AbstractCegarLoop]: Abstraction has 16803 states and 17678 transitions. [2021-10-21 19:29:56,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.0) internal successors, (520), 4 states have internal predecessors, (520), 0 states have call successors, (0), 0 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 19:29:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand 16803 states and 17678 transitions. [2021-10-21 19:29:56,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1645 [2021-10-21 19:29:56,306 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:29:56,306 INFO L512 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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, 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] [2021-10-21 19:29:56,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-21 19:29:56,307 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:29:56,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:29:56,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1215164856, now seen corresponding path program 1 times [2021-10-21 19:29:56,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:29:56,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438894538] [2021-10-21 19:29:56,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:56,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:29:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 8213 backedges. 5383 proven. 44 refuted. 0 times theorem prover too weak. 2786 trivial. 0 not checked. [2021-10-21 19:29:57,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:29:57,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438894538] [2021-10-21 19:29:57,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438894538] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:29:57,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708508735] [2021-10-21 19:29:57,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:29:57,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:29:57,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:29:57,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:29:57,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-21 19:29:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:29:58,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 2047 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:29:58,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8213 backedges. 4984 proven. 0 refuted. 0 times theorem prover too weak. 3229 trivial. 0 not checked. [2021-10-21 19:30:01,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708508735] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:30:01,541 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:30:01,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-10-21 19:30:01,542 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283808995] [2021-10-21 19:30:01,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:30:01,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:30:01,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:30:01,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:30:01,544 INFO L87 Difference]: Start difference. First operand 16803 states and 17678 transitions. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 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 19:30:02,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:02,153 INFO L93 Difference]: Finished difference Result 30837 states and 32460 transitions. [2021-10-21 19:30:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:30:02,153 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 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 1644 [2021-10-21 19:30:02,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:30:02,159 INFO L225 Difference]: With dead ends: 30837 [2021-10-21 19:30:02,159 INFO L226 Difference]: Without dead ends: 9429 [2021-10-21 19:30:02,166 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1650 GetRequests, 1643 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 56.2ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:30:02,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9429 states. [2021-10-21 19:30:02,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9429 to 7031. [2021-10-21 19:30:02,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7031 states, 7030 states have (on average 1.02375533428165) internal successors, (7197), 7030 states have internal predecessors, (7197), 0 states have call successors, (0), 0 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 19:30:02,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7031 states to 7031 states and 7197 transitions. [2021-10-21 19:30:02,235 INFO L78 Accepts]: Start accepts. Automaton has 7031 states and 7197 transitions. Word has length 1644 [2021-10-21 19:30:02,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:30:02,236 INFO L470 AbstractCegarLoop]: Abstraction has 7031 states and 7197 transitions. [2021-10-21 19:30:02,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 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 19:30:02,236 INFO L276 IsEmpty]: Start isEmpty. Operand 7031 states and 7197 transitions. [2021-10-21 19:30:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1774 [2021-10-21 19:30:02,253 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:02,253 INFO L512 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 5, 5, 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, 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] [2021-10-21 19:30:02,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-10-21 19:30:02,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-10-21 19:30:02,454 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:30:02,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:02,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1861214431, now seen corresponding path program 1 times [2021-10-21 19:30:02,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:02,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930097118] [2021-10-21 19:30:02,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:02,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 9562 backedges. 5094 proven. 277 refuted. 0 times theorem prover too weak. 4191 trivial. 0 not checked. [2021-10-21 19:30:03,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:30:03,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930097118] [2021-10-21 19:30:03,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930097118] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:30:03,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364651329] [2021-10-21 19:30:03,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:03,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:03,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:03,337 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:03,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-21 19:30:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:05,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 2203 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-21 19:30:05,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 9562 backedges. 5481 proven. 353 refuted. 0 times theorem prover too weak. 3728 trivial. 0 not checked. [2021-10-21 19:30:12,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364651329] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:30:12,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:30:12,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 9 [2021-10-21 19:30:12,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722433000] [2021-10-21 19:30:12,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-21 19:30:12,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:30:12,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-21 19:30:12,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:30:12,615 INFO L87 Difference]: Start difference. First operand 7031 states and 7197 transitions. Second operand has 10 states, 10 states have (on average 68.7) internal successors, (687), 9 states have internal predecessors, (687), 0 states have call successors, (0), 0 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 19:30:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:14,567 INFO L93 Difference]: Finished difference Result 14568 states and 14919 transitions. [2021-10-21 19:30:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-21 19:30:14,568 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 68.7) internal successors, (687), 9 states have internal predecessors, (687), 0 states have call successors, (0), 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 1773 [2021-10-21 19:30:14,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:30:14,573 INFO L225 Difference]: With dead ends: 14568 [2021-10-21 19:30:14,573 INFO L226 Difference]: Without dead ends: 7907 [2021-10-21 19:30:14,576 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1786 GetRequests, 1768 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 190.6ms TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2021-10-21 19:30:14,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7907 states. [2021-10-21 19:30:14,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7907 to 7215. [2021-10-21 19:30:14,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7215 states, 7214 states have (on average 1.0237039090657056) internal successors, (7385), 7214 states have internal predecessors, (7385), 0 states have call successors, (0), 0 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 19:30:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7215 states to 7215 states and 7385 transitions. [2021-10-21 19:30:14,643 INFO L78 Accepts]: Start accepts. Automaton has 7215 states and 7385 transitions. Word has length 1773 [2021-10-21 19:30:14,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:30:14,644 INFO L470 AbstractCegarLoop]: Abstraction has 7215 states and 7385 transitions. [2021-10-21 19:30:14,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 68.7) internal successors, (687), 9 states have internal predecessors, (687), 0 states have call successors, (0), 0 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 19:30:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 7215 states and 7385 transitions. [2021-10-21 19:30:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1887 [2021-10-21 19:30:14,662 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:30:14,663 INFO L512 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 7, 7, 7, 7, 7, 7, 5, 5, 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, 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] [2021-10-21 19:30:14,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:30:14,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-10-21 19:30:14,863 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:30:14,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:14,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1503382157, now seen corresponding path program 1 times [2021-10-21 19:30:14,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:14,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220214515] [2021-10-21 19:30:14,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:14,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 10999 backedges. 6177 proven. 1173 refuted. 0 times theorem prover too weak. 3649 trivial. 0 not checked. [2021-10-21 19:30:15,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:30:15,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220214515] [2021-10-21 19:30:15,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220214515] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:30:15,632 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165395664] [2021-10-21 19:30:15,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:15,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:30:15,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:15,634 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:30:15,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-21 19:30:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:30:18,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 2340 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:30:18,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:30:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10999 backedges. 6365 proven. 0 refuted. 0 times theorem prover too weak. 4634 trivial. 0 not checked. [2021-10-21 19:30:22,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165395664] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:30:22,083 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:30:22,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2021-10-21 19:30:22,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950907722] [2021-10-21 19:30:22,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:30:22,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:30:22,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:30:22,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:30:22,087 INFO L87 Difference]: Start difference. First operand 7215 states and 7385 transitions. Second operand has 4 states, 4 states have (on average 122.5) internal successors, (490), 4 states have internal predecessors, (490), 0 states have call successors, (0), 0 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 19:30:22,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:30:22,636 INFO L93 Difference]: Finished difference Result 9079 states and 9296 transitions. [2021-10-21 19:30:22,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:30:22,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 122.5) internal successors, (490), 4 states have internal predecessors, (490), 0 states have call successors, (0), 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 1886 [2021-10-21 19:30:22,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:30:22,637 INFO L225 Difference]: With dead ends: 9079 [2021-10-21 19:30:22,637 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:30:22,639 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1892 GetRequests, 1887 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 23.8ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:30:22,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:30:22,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:30:22,640 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 19:30:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:30:22,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1886 [2021-10-21 19:30:22,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:30:22,640 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:30:22,640 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.5) internal successors, (490), 4 states have internal predecessors, (490), 0 states have call successors, (0), 0 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 19:30:22,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:30:22,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:30:22,642 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:30:22,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-10-21 19:30:22,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-10-21 19:30:22,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:30:22,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:30:27,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:30:31,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:30:40,961 WARN L207 SmtUtils]: Spent 9.71 s on a formula simplification. DAG size of input: 951 DAG size of output: 194 [2021-10-21 19:30:50,421 WARN L207 SmtUtils]: Spent 9.45 s on a formula simplification. DAG size of input: 951 DAG size of output: 194 [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-10-21 19:30:50,425 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-10-21 19:30:50,426 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,427 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-10-21 19:30:50,427 INFO L857 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-10-21 19:30:50,427 INFO L857 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,427 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,427 INFO L857 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,427 INFO L857 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,428 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,428 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,428 INFO L857 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-10-21 19:30:50,428 INFO L857 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-10-21 19:30:50,428 INFO L857 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-10-21 19:30:50,428 INFO L857 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,428 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,429 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,429 INFO L853 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse28 (+ ~a23~0 43)) (.cse11 (< 245 ~a29~0)) (.cse21 (<= ~a29~0 274)) (.cse23 (<= ~a23~0 138)) (.cse25 (<= 130 ~a29~0)) (.cse7 (= ~a25~0 13)) (.cse27 (<= ~a23~0 278)) (.cse20 (<= ~a29~0 599998)) (.cse14 (= ~a4~0 1))) (let ((.cse1 (<= (+ ~a23~0 55) 0)) (.cse6 (<= ~a4~0 0)) (.cse10 (= ~a25~0 11)) (.cse16 (<= 217784 ~a23~0)) (.cse9 (<= ~a29~0 140)) (.cse12 (<= ~a25~0 10)) (.cse17 (<= ~a23~0 600000)) (.cse15 (< 140 ~a29~0)) (.cse22 (or (and .cse27 .cse11 .cse21 .cse14) (and .cse20 .cse23 .cse14 .cse25) (and .cse7 .cse27 .cse20 .cse14 (exists ((v_~a29~0_501 Int)) (and (let ((.cse29 (* v_~a29~0_501 9))) (let ((.cse31 (div .cse29 10))) (let ((.cse32 (+ .cse31 1))) (let ((.cse33 (* 5 (div .cse32 5)))) (or (and (or (<= 0 (* 9 v_~a29~0_501)) (= 0 (mod .cse29 10))) (let ((.cse30 (* 5 (div .cse31 5)))) (or (and (<= (+ .cse30 549278) ~a29~0) (or (= (mod .cse31 5) 0) (<= 0 .cse31))) (<= (+ 549283 .cse30) ~a29~0)))) (and (= (mod .cse32 5) 0) (<= (+ .cse33 549278) ~a29~0)) (<= (+ .cse33 549283) ~a29~0)))))) (<= 0 (+ 580293 v_~a29~0_501))))))) (.cse4 (= ~a3~0 1)) (.cse5 (= ~a8~0 15)) (.cse3 (<= (+ ~a29~0 22) 0)) (.cse0 (<= .cse28 0)) (.cse24 (<= ~a25~0 9)) (.cse8 (<= 0 (+ 580293 ~a29~0))) (.cse2 (= ~a25~0 12)) (.cse19 (< 0 .cse28)) (.cse18 (= ~a25~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse4 (<= (+ 119992 ~a23~0) 0) .cse5 (or (and .cse7 .cse3 .cse8) (and .cse0 .cse2 .cse3))) (and .cse0 .cse9 (<= 0 (+ ~a29~0 580294)) .cse10 .cse4 .cse5) (and (let ((.cse13 (<= 27009 ~a29~0))) (or (and .cse11 .cse12 .cse13 .cse4 .cse14) (and .cse10 .cse13 .cse4 .cse14))) .cse5) (and .cse15 .cse12 (<= ~a29~0 245) .cse4 .cse16 .cse14 .cse5) (and .cse17 .cse11 .cse10 .cse4 .cse14 .cse5) (and .cse1 .cse3 .cse4 .cse5 .cse8 .cse18) (and .cse7 .cse17 .cse19 .cse20 .cse4 .cse14 .cse5) (and .cse0 .cse2 .cse11 .cse21 .cse4 .cse5) (and .cse22 .cse10) (and .cse17 .cse11 .cse12 .cse4 .cse14 .cse5) (and .cse1 .cse2 .cse15 .cse21 .cse4 .cse5 .cse6) (and .cse23 .cse14 .cse24 .cse25) (and .cse11 .cse10 .cse21 .cse4 .cse23 .cse5) (and (<= ~a29~0 275) .cse2 .cse11 .cse4 .cse5 .cse6) (and .cse17 .cse15 (let ((.cse26 (<= ~a29~0 220))) (or (and (or (and .cse2 .cse26 .cse14) (and .cse2 .cse16 .cse14 (<= ~a29~0 232))) .cse4 .cse5) (and .cse10 .cse4 .cse16 .cse26 .cse14 .cse5)))) (and .cse20 .cse4 .cse5 (or (and .cse0 (<= 261 ~a29~0) .cse24) (and .cse7 .cse0 .cse11 .cse21))) (and .cse17 .cse4 .cse14 .cse5 .cse18) (and .cse9 .cse14 (<= ~a23~0 312) .cse24) (and .cse27 .cse11 .cse12 .cse20 .cse14) (and .cse17 .cse2 .cse11 .cse20 .cse4 .cse14 .cse5) (and .cse15 .cse22 .cse4 .cse5) (and .cse4 .cse5 (or (and .cse3 (or (and .cse0 .cse24 .cse8) (and .cse23 .cse14))) (and .cse27 .cse2 .cse19 .cse14))) (and .cse27 .cse14 .cse18)))) [2021-10-21 19:30:50,429 INFO L857 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,429 INFO L857 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-10-21 19:30:50,430 INFO L857 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-10-21 19:30:50,430 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,430 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,430 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,430 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,430 INFO L857 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,431 INFO L857 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,431 INFO L857 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-10-21 19:30:50,431 INFO L857 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-10-21 19:30:50,431 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-21 19:30:50,431 INFO L860 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-10-21 19:30:50,431 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,431 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,432 INFO L857 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,432 INFO L857 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,432 INFO L857 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,432 INFO L857 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,432 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,432 INFO L857 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-10-21 19:30:50,433 INFO L857 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-10-21 19:30:50,433 INFO L857 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-10-21 19:30:50,433 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,433 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,433 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,433 INFO L857 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,433 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,434 INFO L857 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,434 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,434 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,434 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,434 INFO L857 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-10-21 19:30:50,434 INFO L857 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-21 19:30:50,434 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-21 19:30:50,435 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,435 INFO L853 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse28 (+ ~a23~0 43)) (.cse11 (< 245 ~a29~0)) (.cse21 (<= ~a29~0 274)) (.cse23 (<= ~a23~0 138)) (.cse25 (<= 130 ~a29~0)) (.cse7 (= ~a25~0 13)) (.cse27 (<= ~a23~0 278)) (.cse20 (<= ~a29~0 599998)) (.cse14 (= ~a4~0 1))) (let ((.cse1 (<= (+ ~a23~0 55) 0)) (.cse6 (<= ~a4~0 0)) (.cse10 (= ~a25~0 11)) (.cse16 (<= 217784 ~a23~0)) (.cse9 (<= ~a29~0 140)) (.cse12 (<= ~a25~0 10)) (.cse17 (<= ~a23~0 600000)) (.cse15 (< 140 ~a29~0)) (.cse22 (or (and .cse27 .cse11 .cse21 .cse14) (and .cse20 .cse23 .cse14 .cse25) (and .cse7 .cse27 .cse20 .cse14 (exists ((v_~a29~0_501 Int)) (and (let ((.cse29 (* v_~a29~0_501 9))) (let ((.cse31 (div .cse29 10))) (let ((.cse32 (+ .cse31 1))) (let ((.cse33 (* 5 (div .cse32 5)))) (or (and (or (<= 0 (* 9 v_~a29~0_501)) (= 0 (mod .cse29 10))) (let ((.cse30 (* 5 (div .cse31 5)))) (or (and (<= (+ .cse30 549278) ~a29~0) (or (= (mod .cse31 5) 0) (<= 0 .cse31))) (<= (+ 549283 .cse30) ~a29~0)))) (and (= (mod .cse32 5) 0) (<= (+ .cse33 549278) ~a29~0)) (<= (+ .cse33 549283) ~a29~0)))))) (<= 0 (+ 580293 v_~a29~0_501))))))) (.cse4 (= ~a3~0 1)) (.cse5 (= ~a8~0 15)) (.cse3 (<= (+ ~a29~0 22) 0)) (.cse0 (<= .cse28 0)) (.cse24 (<= ~a25~0 9)) (.cse8 (<= 0 (+ 580293 ~a29~0))) (.cse2 (= ~a25~0 12)) (.cse19 (< 0 .cse28)) (.cse18 (= ~a25~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse4 (<= (+ 119992 ~a23~0) 0) .cse5 (or (and .cse7 .cse3 .cse8) (and .cse0 .cse2 .cse3))) (and .cse0 .cse9 (<= 0 (+ ~a29~0 580294)) .cse10 .cse4 .cse5) (and (let ((.cse13 (<= 27009 ~a29~0))) (or (and .cse11 .cse12 .cse13 .cse4 .cse14) (and .cse10 .cse13 .cse4 .cse14))) .cse5) (and .cse15 .cse12 (<= ~a29~0 245) .cse4 .cse16 .cse14 .cse5) (and .cse17 .cse11 .cse10 .cse4 .cse14 .cse5) (and .cse1 .cse3 .cse4 .cse5 .cse8 .cse18) (and .cse7 .cse17 .cse19 .cse20 .cse4 .cse14 .cse5) (and .cse0 .cse2 .cse11 .cse21 .cse4 .cse5) (and .cse22 .cse10) (and .cse17 .cse11 .cse12 .cse4 .cse14 .cse5) (and .cse1 .cse2 .cse15 .cse21 .cse4 .cse5 .cse6) (and .cse23 .cse14 .cse24 .cse25) (and .cse11 .cse10 .cse21 .cse4 .cse23 .cse5) (and (<= ~a29~0 275) .cse2 .cse11 .cse4 .cse5 .cse6) (and .cse17 .cse15 (let ((.cse26 (<= ~a29~0 220))) (or (and (or (and .cse2 .cse26 .cse14) (and .cse2 .cse16 .cse14 (<= ~a29~0 232))) .cse4 .cse5) (and .cse10 .cse4 .cse16 .cse26 .cse14 .cse5)))) (and .cse20 .cse4 .cse5 (or (and .cse0 (<= 261 ~a29~0) .cse24) (and .cse7 .cse0 .cse11 .cse21))) (and .cse17 .cse4 .cse14 .cse5 .cse18) (and .cse9 .cse14 (<= ~a23~0 312) .cse24) (and .cse27 .cse11 .cse12 .cse20 .cse14) (and .cse17 .cse2 .cse11 .cse20 .cse4 .cse14 .cse5) (and .cse15 .cse22 .cse4 .cse5) (and .cse4 .cse5 (or (and .cse3 (or (and .cse0 .cse24 .cse8) (and .cse23 .cse14))) (and .cse27 .cse2 .cse19 .cse14))) (and .cse27 .cse14 .cse18)))) [2021-10-21 19:30:50,435 INFO L857 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,435 INFO L857 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,436 INFO L857 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,436 INFO L857 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,436 INFO L857 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,436 INFO L857 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,436 INFO L857 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,436 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,436 INFO L857 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-10-21 19:30:50,437 INFO L857 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-10-21 19:30:50,437 INFO L857 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-21 19:30:50,437 INFO L857 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-10-21 19:30:50,437 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:30:50,437 INFO L857 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-10-21 19:30:50,437 INFO L857 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-10-21 19:30:50,437 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,438 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,438 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,438 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,438 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,438 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,438 INFO L857 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,438 INFO L857 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,439 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,439 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,439 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:30:50,439 INFO L857 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-10-21 19:30:50,439 INFO L857 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-10-21 19:30:50,439 INFO L857 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-10-21 19:30:50,439 INFO L857 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-10-21 19:30:50,440 INFO L857 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,440 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,440 INFO L857 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,440 INFO L857 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,440 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,440 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-10-21 19:30:50,440 INFO L857 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-10-21 19:30:50,441 INFO L857 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-10-21 19:30:50,441 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,441 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,441 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,441 INFO L857 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,441 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-10-21 19:30:50,442 INFO L857 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-10-21 19:30:50,442 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,442 INFO L857 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,442 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,442 INFO L857 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,442 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,442 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,443 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-10-21 19:30:50,443 INFO L857 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-10-21 19:30:50,443 INFO L857 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,443 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,443 INFO L857 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-10-21 19:30:50,443 INFO L857 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-10-21 19:30:50,443 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-21 19:30:50,444 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:30:50,444 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2021-10-21 19:30:50,444 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,444 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,444 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,444 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,444 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,445 INFO L857 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,445 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,445 INFO L857 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-10-21 19:30:50,445 INFO L857 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-10-21 19:30:50,445 INFO L857 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-10-21 19:30:50,445 INFO L857 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-10-21 19:30:50,445 INFO L857 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-10-21 19:30:50,446 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-10-21 19:30:50,446 INFO L857 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-10-21 19:30:50,446 INFO L857 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,446 INFO L857 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,446 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-10-21 19:30:50,446 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-10-21 19:30:50,446 INFO L857 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,447 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,447 INFO L857 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,447 INFO L857 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,447 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,447 INFO L857 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-10-21 19:30:50,447 INFO L857 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-10-21 19:30:50,448 INFO L857 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-10-21 19:30:50,448 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,448 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,448 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,448 INFO L857 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,448 INFO L857 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,448 INFO L857 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,449 INFO L857 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-10-21 19:30:50,449 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-10-21 19:30:50,449 INFO L857 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-10-21 19:30:50,449 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,449 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,449 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,449 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,450 INFO L857 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,450 INFO L857 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,450 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,450 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,450 INFO L857 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-21 19:30:50,450 INFO L857 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-10-21 19:30:50,451 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-21 19:30:50,451 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,451 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,451 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,451 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,451 INFO L857 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,451 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,452 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,452 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,452 INFO L857 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,452 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,452 INFO L857 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,452 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-10-21 19:30:50,452 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-10-21 19:30:50,453 INFO L857 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-10-21 19:30:50,453 INFO L857 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-10-21 19:30:50,453 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-21 19:30:50,453 INFO L857 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,453 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,453 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,453 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,454 INFO L857 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,454 INFO L857 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,454 INFO L857 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,454 INFO L857 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-10-21 19:30:50,454 INFO L857 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-10-21 19:30:50,454 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-21 19:30:50,454 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,455 INFO L857 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,455 INFO L857 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,455 INFO L857 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-10-21 19:30:50,455 INFO L857 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-10-21 19:30:50,455 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,455 INFO L857 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,455 INFO L857 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,456 INFO L857 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,456 INFO L857 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,456 INFO L857 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-10-21 19:30:50,456 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-21 19:30:50,456 INFO L857 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,456 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,456 INFO L857 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-10-21 19:30:50,457 INFO L857 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-10-21 19:30:50,457 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,457 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:30:50,457 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,457 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,457 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,457 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,458 INFO L857 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,458 INFO L857 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-10-21 19:30:50,458 INFO L857 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-10-21 19:30:50,458 INFO L857 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-10-21 19:30:50,458 INFO L857 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-10-21 19:30:50,458 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,459 INFO L857 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,459 INFO L857 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,459 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,459 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,459 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,459 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,459 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,460 INFO L857 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-10-21 19:30:50,460 INFO L857 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-10-21 19:30:50,460 INFO L857 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-10-21 19:30:50,460 INFO L857 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-10-21 19:30:50,460 INFO L857 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-10-21 19:30:50,460 INFO L857 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-10-21 19:30:50,460 INFO L857 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,461 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,461 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,461 INFO L857 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,461 INFO L857 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,461 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,461 INFO L857 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,461 INFO L857 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-21 19:30:50,462 INFO L857 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-10-21 19:30:50,462 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:30:50,462 INFO L857 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,462 INFO L857 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,462 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,462 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,462 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,463 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,463 INFO L857 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-10-21 19:30:50,463 INFO L857 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-10-21 19:30:50,463 INFO L857 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,463 INFO L857 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,463 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,464 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,464 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,464 INFO L857 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,464 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,464 INFO L857 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-10-21 19:30:50,464 INFO L857 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-10-21 19:30:50,464 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,465 INFO L857 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,465 INFO L857 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-10-21 19:30:50,465 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-10-21 19:30:50,465 INFO L857 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-10-21 19:30:50,465 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-10-21 19:30:50,469 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:30:50,480 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,481 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,482 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,483 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,484 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,485 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,486 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,505 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,506 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,507 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,508 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,509 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,513 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,513 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,513 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,513 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,514 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,514 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,514 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,514 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,515 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,516 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,519 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,520 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,521 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,522 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,524 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,529 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,530 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,531 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,532 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,532 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,532 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,532 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,533 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,533 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,533 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,533 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,533 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,534 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:30:50 BoogieIcfgContainer [2021-10-21 19:30:50,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:30:50,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:30:50,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:30:50,538 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:30:50,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:28:34" (3/4) ... [2021-10-21 19:30:50,542 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:30:50,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:30:50,577 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:30:50,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:30:50,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:30:50,611 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((a23 + 43 <= 0 && a23 + 55 <= 0) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && a4 <= 0) || (((a3 == 1 && 119992 + a23 <= 0) && a8 == 15) && (((a25 == 13 && a29 + 22 <= 0) && 0 <= 580293 + a29) || ((a23 + 43 <= 0 && a25 == 12) && a29 + 22 <= 0)))) || (((((a23 + 43 <= 0 && a29 <= 140) && 0 <= a29 + 580294) && a25 == 11) && a3 == 1) && a8 == 15)) || ((((((245 < a29 && a25 <= 10) && 27009 <= a29) && a3 == 1) && a4 == 1) || (((a25 == 11 && 27009 <= a29) && a3 == 1) && a4 == 1)) && a8 == 15)) || ((((((140 < a29 && a25 <= 10) && a29 <= 245) && a3 == 1) && 217784 <= a23) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 245 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 55 <= 0 && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= 580293 + a29) && a25 == 10)) || ((((((a25 == 13 && a23 <= 600000) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a25 == 12) && 245 < a29) && a29 <= 274) && a3 == 1) && a8 == 15)) || ((((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501))) && a25 == 11)) || (((((a23 <= 600000 && 245 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a23 + 55 <= 0 && a25 == 12) && 140 < a29) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((a23 <= 138 && a4 == 1) && a25 <= 9) && 130 <= a29)) || (((((245 < a29 && a25 == 11) && a29 <= 274) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 245 < a29) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((a23 <= 600000 && 140 < a29) && ((((((a25 == 12 && a29 <= 220) && a4 == 1) || (((a25 == 12 && 217784 <= a23) && a4 == 1) && a29 <= 232)) && a3 == 1) && a8 == 15) || (((((a25 == 11 && a3 == 1) && 217784 <= a23) && a29 <= 220) && a4 == 1) && a8 == 15)))) || (((a29 <= 599998 && a3 == 1) && a8 == 15) && (((a23 + 43 <= 0 && 261 <= a29) && a25 <= 9) || (((a25 == 13 && a23 + 43 <= 0) && 245 < a29) && a29 <= 274)))) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || (((a29 <= 140 && a4 == 1) && a23 <= 312) && a25 <= 9)) || ((((a23 <= 278 && 245 < a29) && a25 <= 10) && a29 <= 599998) && a4 == 1)) || ((((((a23 <= 600000 && a25 == 12) && 245 < a29) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((140 < a29 && (((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501)))) && a3 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((a29 + 22 <= 0 && (((a23 + 43 <= 0 && a25 <= 9) && 0 <= 580293 + a29) || (a23 <= 138 && a4 == 1))) || (((a23 <= 278 && a25 == 12) && 0 < a23 + 43) && a4 == 1)))) || ((a23 <= 278 && a4 == 1) && a25 == 10) [2021-10-21 19:30:50,621 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((a23 + 43 <= 0 && a23 + 55 <= 0) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && a4 <= 0) || (((a3 == 1 && 119992 + a23 <= 0) && a8 == 15) && (((a25 == 13 && a29 + 22 <= 0) && 0 <= 580293 + a29) || ((a23 + 43 <= 0 && a25 == 12) && a29 + 22 <= 0)))) || (((((a23 + 43 <= 0 && a29 <= 140) && 0 <= a29 + 580294) && a25 == 11) && a3 == 1) && a8 == 15)) || ((((((245 < a29 && a25 <= 10) && 27009 <= a29) && a3 == 1) && a4 == 1) || (((a25 == 11 && 27009 <= a29) && a3 == 1) && a4 == 1)) && a8 == 15)) || ((((((140 < a29 && a25 <= 10) && a29 <= 245) && a3 == 1) && 217784 <= a23) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 245 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 55 <= 0 && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= 580293 + a29) && a25 == 10)) || ((((((a25 == 13 && a23 <= 600000) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a25 == 12) && 245 < a29) && a29 <= 274) && a3 == 1) && a8 == 15)) || ((((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501))) && a25 == 11)) || (((((a23 <= 600000 && 245 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a23 + 55 <= 0 && a25 == 12) && 140 < a29) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((a23 <= 138 && a4 == 1) && a25 <= 9) && 130 <= a29)) || (((((245 < a29 && a25 == 11) && a29 <= 274) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 245 < a29) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((a23 <= 600000 && 140 < a29) && ((((((a25 == 12 && a29 <= 220) && a4 == 1) || (((a25 == 12 && 217784 <= a23) && a4 == 1) && a29 <= 232)) && a3 == 1) && a8 == 15) || (((((a25 == 11 && a3 == 1) && 217784 <= a23) && a29 <= 220) && a4 == 1) && a8 == 15)))) || (((a29 <= 599998 && a3 == 1) && a8 == 15) && (((a23 + 43 <= 0 && 261 <= a29) && a25 <= 9) || (((a25 == 13 && a23 + 43 <= 0) && 245 < a29) && a29 <= 274)))) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || (((a29 <= 140 && a4 == 1) && a23 <= 312) && a25 <= 9)) || ((((a23 <= 278 && 245 < a29) && a25 <= 10) && a29 <= 599998) && a4 == 1)) || ((((((a23 <= 600000 && a25 == 12) && 245 < a29) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((140 < a29 && (((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501)))) && a3 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((a29 + 22 <= 0 && (((a23 + 43 <= 0 && a25 <= 9) && 0 <= 580293 + a29) || (a23 <= 138 && a4 == 1))) || (((a23 <= 278 && a25 == 12) && 0 < a23 + 43) && a4 == 1)))) || ((a23 <= 278 && a4 == 1) && a25 == 10) [2021-10-21 19:30:50,752 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:30:50,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:30:50,753 INFO L168 Benchmark]: Toolchain (without parser) took 138846.20 ms. Allocated memory was 100.7 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 65.4 MB in the beginning and 1.0 GB in the end (delta: -971.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-10-21 19:30:50,753 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:30:50,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 872.87 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 65.1 MB in the beginning and 74.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:50,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 185.28 ms. Allocated memory is still 132.1 MB. Free memory was 74.1 MB in the beginning and 96.9 MB in the end (delta: -22.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:50,755 INFO L168 Benchmark]: Boogie Preprocessor took 123.67 ms. Allocated memory is still 132.1 MB. Free memory was 96.9 MB in the beginning and 87.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:50,755 INFO L168 Benchmark]: RCFGBuilder took 1893.73 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:50,756 INFO L168 Benchmark]: TraceAbstraction took 135548.95 ms. Allocated memory was 132.1 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 77.6 MB in the beginning and 1.1 GB in the end (delta: -983.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. [2021-10-21 19:30:50,761 INFO L168 Benchmark]: Witness Printer took 214.71 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:30:50,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 100.7 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 872.87 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 65.1 MB in the beginning and 74.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 185.28 ms. Allocated memory is still 132.1 MB. Free memory was 74.1 MB in the beginning and 96.9 MB in the end (delta: -22.8 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 123.67 ms. Allocated memory is still 132.1 MB. Free memory was 96.9 MB in the beginning and 87.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1893.73 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 135548.95 ms. Allocated memory was 132.1 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 77.6 MB in the beginning and 1.1 GB in the end (delta: -983.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 16.1 GB. * Witness Printer took 214.71 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] * 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: 202]: 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: 135420.1ms, OverallIterations: 37, TraceHistogramMax: 15, EmptinessCheckTime: 644.2ms, AutomataDifference: 39895.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 27580.7ms, InitialAbstractionConstructionTime: 16.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5946 SDtfs, 7628 SDslu, 1112 SDs, 0 SdLazy, 30141 SolverSat, 4225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27719.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8086 GetRequests, 7918 SyntacticMatches, 61 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 1766.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=29896occurred in iteration=25, InterpolantAutomatonStates: 157, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 8001.8ms AutomataMinimizationTime, 37 MinimizatonAttempts, 68597 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 121 NumberOfFragments, 1737 HoareAnnotationTreeSize, 3 FomulaSimplifications, 134474161 FormulaSimplificationTreeSizeReduction, 8392.2ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 25795170 FormulaSimplificationTreeSizeReductionInter, 19169.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1216.6ms SsaConstructionTime, 3847.8ms SatisfiabilityAnalysisTime, 45148.5ms InterpolantComputationTime, 32227 NumberOfCodeBlocks, 32227 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 32183 ConstructedInterpolants, 60 QuantifiedInterpolants, 94472 SizeOfPredicates, 10 NumberOfNonLiveVariables, 10041 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 44 InterpolantComputations, 34 PerfectInterpolantSequences, 98606/101671 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 [2021-10-21 19:30:50,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,779 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,780 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,781 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,781 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,782 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,788 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,789 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,790 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,792 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,793 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,794 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,794 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,794 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,794 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,795 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,795 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,795 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,795 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,795 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,796 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((a23 + 43 <= 0 && a23 + 55 <= 0) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && a4 <= 0) || (((a3 == 1 && 119992 + a23 <= 0) && a8 == 15) && (((a25 == 13 && a29 + 22 <= 0) && 0 <= 580293 + a29) || ((a23 + 43 <= 0 && a25 == 12) && a29 + 22 <= 0)))) || (((((a23 + 43 <= 0 && a29 <= 140) && 0 <= a29 + 580294) && a25 == 11) && a3 == 1) && a8 == 15)) || ((((((245 < a29 && a25 <= 10) && 27009 <= a29) && a3 == 1) && a4 == 1) || (((a25 == 11 && 27009 <= a29) && a3 == 1) && a4 == 1)) && a8 == 15)) || ((((((140 < a29 && a25 <= 10) && a29 <= 245) && a3 == 1) && 217784 <= a23) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 245 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 55 <= 0 && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= 580293 + a29) && a25 == 10)) || ((((((a25 == 13 && a23 <= 600000) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a25 == 12) && 245 < a29) && a29 <= 274) && a3 == 1) && a8 == 15)) || ((((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501))) && a25 == 11)) || (((((a23 <= 600000 && 245 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a23 + 55 <= 0 && a25 == 12) && 140 < a29) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((a23 <= 138 && a4 == 1) && a25 <= 9) && 130 <= a29)) || (((((245 < a29 && a25 == 11) && a29 <= 274) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 245 < a29) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((a23 <= 600000 && 140 < a29) && ((((((a25 == 12 && a29 <= 220) && a4 == 1) || (((a25 == 12 && 217784 <= a23) && a4 == 1) && a29 <= 232)) && a3 == 1) && a8 == 15) || (((((a25 == 11 && a3 == 1) && 217784 <= a23) && a29 <= 220) && a4 == 1) && a8 == 15)))) || (((a29 <= 599998 && a3 == 1) && a8 == 15) && (((a23 + 43 <= 0 && 261 <= a29) && a25 <= 9) || (((a25 == 13 && a23 + 43 <= 0) && 245 < a29) && a29 <= 274)))) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || (((a29 <= 140 && a4 == 1) && a23 <= 312) && a25 <= 9)) || ((((a23 <= 278 && 245 < a29) && a25 <= 10) && a29 <= 599998) && a4 == 1)) || ((((((a23 <= 600000 && a25 == 12) && 245 < a29) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((140 < a29 && (((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501)))) && a3 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((a29 + 22 <= 0 && (((a23 + 43 <= 0 && a25 <= 9) && 0 <= 580293 + a29) || (a23 <= 138 && a4 == 1))) || (((a23 <= 278 && a25 == 12) && 0 < a23 + 43) && a4 == 1)))) || ((a23 <= 278 && a4 == 1) && a25 == 10) - InvariantResult [Line: 32]: Loop Invariant [2021-10-21 19:30:50,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,798 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,799 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,800 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,801 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,802 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,803 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,805 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,806 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,807 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,808 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] [2021-10-21 19:30:50,809 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_501,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((((((a23 + 43 <= 0 && a23 + 55 <= 0) && a25 == 12) && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && a4 <= 0) || (((a3 == 1 && 119992 + a23 <= 0) && a8 == 15) && (((a25 == 13 && a29 + 22 <= 0) && 0 <= 580293 + a29) || ((a23 + 43 <= 0 && a25 == 12) && a29 + 22 <= 0)))) || (((((a23 + 43 <= 0 && a29 <= 140) && 0 <= a29 + 580294) && a25 == 11) && a3 == 1) && a8 == 15)) || ((((((245 < a29 && a25 <= 10) && 27009 <= a29) && a3 == 1) && a4 == 1) || (((a25 == 11 && 27009 <= a29) && a3 == 1) && a4 == 1)) && a8 == 15)) || ((((((140 < a29 && a25 <= 10) && a29 <= 245) && a3 == 1) && 217784 <= a23) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 245 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 55 <= 0 && a29 + 22 <= 0) && a3 == 1) && a8 == 15) && 0 <= 580293 + a29) && a25 == 10)) || ((((((a25 == 13 && a23 <= 600000) && 0 < a23 + 43) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a25 == 12) && 245 < a29) && a29 <= 274) && a3 == 1) && a8 == 15)) || ((((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501))) && a25 == 11)) || (((((a23 <= 600000 && 245 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a23 + 55 <= 0 && a25 == 12) && 140 < a29) && a29 <= 274) && a3 == 1) && a8 == 15) && a4 <= 0)) || (((a23 <= 138 && a4 == 1) && a25 <= 9) && 130 <= a29)) || (((((245 < a29 && a25 == 11) && a29 <= 274) && a3 == 1) && a23 <= 138) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 245 < a29) && a3 == 1) && a8 == 15) && a4 <= 0)) || ((a23 <= 600000 && 140 < a29) && ((((((a25 == 12 && a29 <= 220) && a4 == 1) || (((a25 == 12 && 217784 <= a23) && a4 == 1) && a29 <= 232)) && a3 == 1) && a8 == 15) || (((((a25 == 11 && a3 == 1) && 217784 <= a23) && a29 <= 220) && a4 == 1) && a8 == 15)))) || (((a29 <= 599998 && a3 == 1) && a8 == 15) && (((a23 + 43 <= 0 && 261 <= a29) && a25 <= 9) || (((a25 == 13 && a23 + 43 <= 0) && 245 < a29) && a29 <= 274)))) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || (((a29 <= 140 && a4 == 1) && a23 <= 312) && a25 <= 9)) || ((((a23 <= 278 && 245 < a29) && a25 <= 10) && a29 <= 599998) && a4 == 1)) || ((((((a23 <= 600000 && a25 == 12) && 245 < a29) && a29 <= 599998) && a3 == 1) && a4 == 1) && a8 == 15)) || (((140 < a29 && (((((a23 <= 278 && 245 < a29) && a29 <= 274) && a4 == 1) || (((a29 <= 599998 && a23 <= 138) && a4 == 1) && 130 <= a29)) || ((((a25 == 13 && a23 <= 278) && a29 <= 599998) && a4 == 1) && (\exists v_~a29~0_501 : int :: ((((0 <= 9 * v_~a29~0_501 || 0 == v_~a29~0_501 * 9 % 10) && ((5 * (v_~a29~0_501 * 9 / 10 / 5) + 549278 <= a29 && (v_~a29~0_501 * 9 / 10 % 5 == 0 || 0 <= v_~a29~0_501 * 9 / 10)) || 549283 + 5 * (v_~a29~0_501 * 9 / 10 / 5) <= a29)) || ((v_~a29~0_501 * 9 / 10 + 1) % 5 == 0 && 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549278 <= a29)) || 5 * ((v_~a29~0_501 * 9 / 10 + 1) / 5) + 549283 <= a29) && 0 <= 580293 + v_~a29~0_501)))) && a3 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((a29 + 22 <= 0 && (((a23 + 43 <= 0 && a25 <= 9) && 0 <= 580293 + a29) || (a23 <= 138 && a4 == 1))) || (((a23 <= 278 && a25 == 12) && 0 < a23 + 43) && a4 == 1)))) || ((a23 <= 278 && a4 == 1) && a25 == 10) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:30:50,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ebb0357-9c9a-4e57-aba4-69b9bfd70cf9/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...