./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt --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 e40e3ba5f6a83f4e5de959273fceaa01c26132d3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:00:02,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:00:02,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:00:02,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:00:02,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:00:02,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:00:02,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:00:02,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:00:02,463 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:00:02,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:00:02,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:00:02,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:00:02,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:00:02,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:00:02,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:00:02,481 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:00:02,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:00:02,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:00:02,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:00:02,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:00:02,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:00:02,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:00:02,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:00:02,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:00:02,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:00:02,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:00:02,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:00:02,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:00:02,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:00:02,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:00:02,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:00:02,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:00:02,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:00:02,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:00:02,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:00:02,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:00:02,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:00:02,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:00:02,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:00:02,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:00:02,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:00:02,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:00:02,566 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:00:02,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:00:02,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:00:02,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:00:02,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:00:02,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:00:02,579 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:00:02,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:00:02,579 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:00:02,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:00:02,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:00:02,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:00:02,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:00:02,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:00:02,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:00:02,582 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:00:02,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:00:02,582 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:00:02,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:00:02,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:00:02,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:00:02,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:00:02,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:00:02,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:00:02,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:00:02,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:00:02,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:00:02,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:00:02,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:00:02,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:00:02,590 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_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e40e3ba5f6a83f4e5de959273fceaa01c26132d3 [2021-10-13 00:00:02,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:00:02,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:00:02,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:00:02,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:00:02,907 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:00:02,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/eca-rers2012/Problem02_label24.c [2021-10-13 00:00:02,992 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/data/b03df2fc8/873b26a8632e4139bb92096ee66d88b1/FLAGb0a8c88be [2021-10-13 00:00:03,520 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:00:03,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/sv-benchmarks/c/eca-rers2012/Problem02_label24.c [2021-10-13 00:00:03,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/data/b03df2fc8/873b26a8632e4139bb92096ee66d88b1/FLAGb0a8c88be [2021-10-13 00:00:03,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/data/b03df2fc8/873b26a8632e4139bb92096ee66d88b1 [2021-10-13 00:00:03,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:00:03,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:00:03,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:00:03,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:00:03,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:00:03,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:00:03" (1/1) ... [2021-10-13 00:00:03,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39308baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:03, skipping insertion in model container [2021-10-13 00:00:03,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:00:03" (1/1) ... [2021-10-13 00:00:03,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:00:03,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:00:04,206 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_13354d50-1df2-490f-a583-68ac7ca2bb82/sv-benchmarks/c/eca-rers2012/Problem02_label24.c[18375,18388] [2021-10-13 00:00:04,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:00:04,239 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:00:04,315 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_13354d50-1df2-490f-a583-68ac7ca2bb82/sv-benchmarks/c/eca-rers2012/Problem02_label24.c[18375,18388] [2021-10-13 00:00:04,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:00:04,344 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:00:04,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04 WrapperNode [2021-10-13 00:00:04,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:00:04,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:04,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:00:04,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:00:04,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (1/1) ... [2021-10-13 00:00:04,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (1/1) ... [2021-10-13 00:00:04,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:04,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:00:04,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:00:04,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:00:04,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (1/1) ... [2021-10-13 00:00:04,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (1/1) ... [2021-10-13 00:00:04,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (1/1) ... [2021-10-13 00:00:04,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (1/1) ... [2021-10-13 00:00:04,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (1/1) ... [2021-10-13 00:00:04,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (1/1) ... [2021-10-13 00:00:04,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (1/1) ... [2021-10-13 00:00:04,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:00:04,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:00:04,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:00:04,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:00:04,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (1/1) ... [2021-10-13 00:00:04,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:00:04,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:04,585 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:04,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:00:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:00:04,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:00:04,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:00:04,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:00:05,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:00:05,687 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-13 00:00:05,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:05 BoogieIcfgContainer [2021-10-13 00:00:05,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:00:05,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:00:05,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:00:05,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:00:05,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:00:03" (1/3) ... [2021-10-13 00:00:05,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2143e230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:00:05, skipping insertion in model container [2021-10-13 00:00:05,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:00:04" (2/3) ... [2021-10-13 00:00:05,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2143e230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:00:05, skipping insertion in model container [2021-10-13 00:00:05,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:05" (3/3) ... [2021-10-13 00:00:05,698 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label24.c [2021-10-13 00:00:05,703 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:00:05,703 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 00:00:05,751 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:00:05,757 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:00:05,758 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 00:00:05,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-13 00:00:05,791 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:05,791 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:05,792 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:05,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:05,798 INFO L82 PathProgramCache]: Analyzing trace with hash -655222195, now seen corresponding path program 1 times [2021-10-13 00:00:05,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:05,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915725126] [2021-10-13 00:00:05,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:05,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:06,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:06,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915725126] [2021-10-13 00:00:06,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915725126] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:06,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:06,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:00:06,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644208049] [2021-10-13 00:00:06,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:00:06,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:06,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:06,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:06,239 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:06,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:06,901 INFO L93 Difference]: Finished difference Result 596 states and 1030 transitions. [2021-10-13 00:00:06,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:00:06,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2021-10-13 00:00:06,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:06,917 INFO L225 Difference]: With dead ends: 596 [2021-10-13 00:00:06,917 INFO L226 Difference]: Without dead ends: 305 [2021-10-13 00:00:06,921 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:06,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-13 00:00:06,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2021-10-13 00:00:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 304 states have (on average 1.5263157894736843) internal successors, (464), 304 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 464 transitions. [2021-10-13 00:00:06,976 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 464 transitions. Word has length 114 [2021-10-13 00:00:06,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:06,977 INFO L470 AbstractCegarLoop]: Abstraction has 305 states and 464 transitions. [2021-10-13 00:00:06,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 464 transitions. [2021-10-13 00:00:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-10-13 00:00:06,980 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:06,981 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:06,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:00:06,981 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:06,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:06,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1569253001, now seen corresponding path program 1 times [2021-10-13 00:00:06,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:06,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777105909] [2021-10-13 00:00:06,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:06,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:07,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:07,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777105909] [2021-10-13 00:00:07,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777105909] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:07,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:07,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:00:07,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120007058] [2021-10-13 00:00:07,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:00:07,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:07,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:07,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:07,095 INFO L87 Difference]: Start difference. First operand 305 states and 464 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:07,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:07,541 INFO L93 Difference]: Finished difference Result 902 states and 1375 transitions. [2021-10-13 00:00:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:00:07,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2021-10-13 00:00:07,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:07,549 INFO L225 Difference]: With dead ends: 902 [2021-10-13 00:00:07,549 INFO L226 Difference]: Without dead ends: 599 [2021-10-13 00:00:07,553 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:07,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-10-13 00:00:07,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 596. [2021-10-13 00:00:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 596 states, 595 states have (on average 1.477310924369748) internal successors, (879), 595 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 879 transitions. [2021-10-13 00:00:07,615 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 879 transitions. Word has length 125 [2021-10-13 00:00:07,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:07,616 INFO L470 AbstractCegarLoop]: Abstraction has 596 states and 879 transitions. [2021-10-13 00:00:07,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 879 transitions. [2021-10-13 00:00:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-13 00:00:07,631 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:07,632 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:07,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:00:07,633 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:07,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:07,635 INFO L82 PathProgramCache]: Analyzing trace with hash -920457474, now seen corresponding path program 1 times [2021-10-13 00:00:07,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:07,636 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011486653] [2021-10-13 00:00:07,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:07,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 00:00:07,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:07,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011486653] [2021-10-13 00:00:07,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011486653] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:07,756 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:07,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:00:07,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154629828] [2021-10-13 00:00:07,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:00:07,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:07,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:07,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:07,766 INFO L87 Difference]: Start difference. First operand 596 states and 879 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:07,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:07,993 INFO L93 Difference]: Finished difference Result 1040 states and 1541 transitions. [2021-10-13 00:00:08,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:00:08,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2021-10-13 00:00:08,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:08,003 INFO L225 Difference]: With dead ends: 1040 [2021-10-13 00:00:08,003 INFO L226 Difference]: Without dead ends: 446 [2021-10-13 00:00:08,005 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:08,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-10-13 00:00:08,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2021-10-13 00:00:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 445 states have (on average 1.4247191011235956) internal successors, (634), 445 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:08,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 634 transitions. [2021-10-13 00:00:08,022 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 634 transitions. Word has length 129 [2021-10-13 00:00:08,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:08,023 INFO L470 AbstractCegarLoop]: Abstraction has 446 states and 634 transitions. [2021-10-13 00:00:08,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:08,023 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 634 transitions. [2021-10-13 00:00:08,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-10-13 00:00:08,025 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:08,026 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:08,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:00:08,026 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:08,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:08,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1564562930, now seen corresponding path program 1 times [2021-10-13 00:00:08,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:08,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563987372] [2021-10-13 00:00:08,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:08,029 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:08,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:08,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563987372] [2021-10-13 00:00:08,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563987372] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:08,097 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:08,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:00:08,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441951353] [2021-10-13 00:00:08,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:00:08,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:08,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:08,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:08,100 INFO L87 Difference]: Start difference. First operand 446 states and 634 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) [2021-10-13 00:00:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:08,496 INFO L93 Difference]: Finished difference Result 1326 states and 1888 transitions. [2021-10-13 00:00:08,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:00:08,497 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 [2021-10-13 00:00:08,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:08,502 INFO L225 Difference]: With dead ends: 1326 [2021-10-13 00:00:08,502 INFO L226 Difference]: Without dead ends: 882 [2021-10-13 00:00:08,503 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:08,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2021-10-13 00:00:08,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 875. [2021-10-13 00:00:08,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 874 states have (on average 1.3729977116704806) internal successors, (1200), 874 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1200 transitions. [2021-10-13 00:00:08,536 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1200 transitions. Word has length 132 [2021-10-13 00:00:08,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:08,537 INFO L470 AbstractCegarLoop]: Abstraction has 875 states and 1200 transitions. [2021-10-13 00:00:08,537 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) [2021-10-13 00:00:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1200 transitions. [2021-10-13 00:00:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-13 00:00:08,540 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:08,540 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:08,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:00:08,541 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:08,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:08,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1496654841, now seen corresponding path program 1 times [2021-10-13 00:00:08,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:08,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696901799] [2021-10-13 00:00:08,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:08,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:08,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:08,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:08,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696901799] [2021-10-13 00:00:08,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696901799] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:08,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:08,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:00:08,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734384235] [2021-10-13 00:00:08,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:00:08,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:08,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:08,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:08,641 INFO L87 Difference]: Start difference. First operand 875 states and 1200 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:09,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:09,113 INFO L93 Difference]: Finished difference Result 2310 states and 3170 transitions. [2021-10-13 00:00:09,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:00:09,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2021-10-13 00:00:09,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:09,122 INFO L225 Difference]: With dead ends: 2310 [2021-10-13 00:00:09,122 INFO L226 Difference]: Without dead ends: 1437 [2021-10-13 00:00:09,123 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 [2021-10-13 00:00:09,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2021-10-13 00:00:09,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1437. [2021-10-13 00:00:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1436 states have (on average 1.2987465181058495) internal successors, (1865), 1436 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:09,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1865 transitions. [2021-10-13 00:00:09,174 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1865 transitions. Word has length 136 [2021-10-13 00:00:09,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:09,175 INFO L470 AbstractCegarLoop]: Abstraction has 1437 states and 1865 transitions. [2021-10-13 00:00:09,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1865 transitions. [2021-10-13 00:00:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-10-13 00:00:09,179 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:09,179 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:09,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:00:09,180 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:09,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:09,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1882618692, now seen corresponding path program 1 times [2021-10-13 00:00:09,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:09,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800631321] [2021-10-13 00:00:09,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:09,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:09,248 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:09,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:09,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800631321] [2021-10-13 00:00:09,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800631321] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:09,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:09,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:00:09,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245663712] [2021-10-13 00:00:09,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:00:09,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:09,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:09,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:09,256 INFO L87 Difference]: Start difference. First operand 1437 states and 1865 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:09,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:09,707 INFO L93 Difference]: Finished difference Result 3992 states and 5180 transitions. [2021-10-13 00:00:09,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:00:09,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2021-10-13 00:00:09,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:09,724 INFO L225 Difference]: With dead ends: 3992 [2021-10-13 00:00:09,726 INFO L226 Difference]: Without dead ends: 2557 [2021-10-13 00:00:09,728 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:09,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2021-10-13 00:00:09,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2557. [2021-10-13 00:00:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2557 states, 2556 states have (on average 1.2253521126760563) internal successors, (3132), 2556 states have internal predecessors, (3132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:09,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 3132 transitions. [2021-10-13 00:00:09,811 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 3132 transitions. Word has length 136 [2021-10-13 00:00:09,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:09,811 INFO L470 AbstractCegarLoop]: Abstraction has 2557 states and 3132 transitions. [2021-10-13 00:00:09,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:09,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3132 transitions. [2021-10-13 00:00:09,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-13 00:00:09,817 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:09,817 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:09,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:00:09,818 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:09,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:09,818 INFO L82 PathProgramCache]: Analyzing trace with hash -2038723442, now seen corresponding path program 1 times [2021-10-13 00:00:09,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:09,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556920628] [2021-10-13 00:00:09,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:09,823 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:09,885 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-13 00:00:09,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:09,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556920628] [2021-10-13 00:00:09,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556920628] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:09,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:09,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:00:09,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487135065] [2021-10-13 00:00:09,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:00:09,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:09,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:09,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:09,889 INFO L87 Difference]: Start difference. First operand 2557 states and 3132 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:10,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:10,307 INFO L93 Difference]: Finished difference Result 4971 states and 6086 transitions. [2021-10-13 00:00:10,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:00:10,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 141 [2021-10-13 00:00:10,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:10,320 INFO L225 Difference]: With dead ends: 4971 [2021-10-13 00:00:10,320 INFO L226 Difference]: Without dead ends: 2416 [2021-10-13 00:00:10,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2021-10-13 00:00:10,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2130. [2021-10-13 00:00:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 2129 states have (on average 1.1766087364960076) internal successors, (2505), 2129 states have internal predecessors, (2505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 2505 transitions. [2021-10-13 00:00:10,379 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 2505 transitions. Word has length 141 [2021-10-13 00:00:10,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:10,379 INFO L470 AbstractCegarLoop]: Abstraction has 2130 states and 2505 transitions. [2021-10-13 00:00:10,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:10,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2505 transitions. [2021-10-13 00:00:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-13 00:00:10,384 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:00:10,384 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:10,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:00:10,385 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:00:10,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:10,385 INFO L82 PathProgramCache]: Analyzing trace with hash -196453873, now seen corresponding path program 1 times [2021-10-13 00:00:10,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:10,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929807405] [2021-10-13 00:00:10,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:10,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:10,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:10,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929807405] [2021-10-13 00:00:10,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929807405] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:00:10,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679790582] [2021-10-13 00:00:10,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:10,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:00:10,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:10,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:00:10,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:00:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:10,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:00:10,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-13 00:00:11,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679790582] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:11,140 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:00:11,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-13 00:00:11,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361730501] [2021-10-13 00:00:11,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:00:11,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:11,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:11,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:00:11,142 INFO L87 Difference]: Start difference. First operand 2130 states and 2505 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:11,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:11,574 INFO L93 Difference]: Finished difference Result 4256 states and 5007 transitions. [2021-10-13 00:00:11,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:00:11,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 141 [2021-10-13 00:00:11,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:00:11,576 INFO L225 Difference]: With dead ends: 4256 [2021-10-13 00:00:11,576 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:00:11,580 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 19.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:00:11,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:00:11,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:00:11,581 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) [2021-10-13 00:00:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:00:11,581 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2021-10-13 00:00:11,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:00:11,582 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:11,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:00:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:00:11,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:00:11,585 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:00:11,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:11,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:00:11,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:00:11,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:11,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:11,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:00:11,946 INFO L857 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,946 INFO L857 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,948 INFO L857 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,948 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-10-13 00:00:11,948 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-10-13 00:00:11,948 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-10-13 00:00:11,949 INFO L857 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-10-13 00:00:11,949 INFO L857 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-10-13 00:00:11,949 INFO L857 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-10-13 00:00:11,949 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-10-13 00:00:11,950 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-10-13 00:00:11,952 INFO L857 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,954 INFO L857 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,954 INFO L857 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,954 INFO L857 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-10-13 00:00:11,955 INFO L857 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-10-13 00:00:11,955 INFO L857 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-10-13 00:00:11,956 INFO L857 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-10-13 00:00:11,956 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-10-13 00:00:11,957 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,957 INFO L857 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,957 INFO L857 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,957 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-10-13 00:00:11,957 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-10-13 00:00:11,958 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-10-13 00:00:11,958 INFO L857 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-10-13 00:00:11,958 INFO L857 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-10-13 00:00:11,958 INFO L857 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-10-13 00:00:11,958 INFO L857 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-10-13 00:00:11,958 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-10-13 00:00:11,959 INFO L857 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-10-13 00:00:11,959 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-10-13 00:00:11,959 INFO L857 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,960 INFO L857 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,960 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,960 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-10-13 00:00:11,961 INFO L857 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-10-13 00:00:11,961 INFO L857 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-10-13 00:00:11,961 INFO L857 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-10-13 00:00:11,961 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-10-13 00:00:11,961 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-10-13 00:00:11,961 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-10-13 00:00:11,961 INFO L857 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,962 INFO L857 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,962 INFO L857 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,962 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-10-13 00:00:11,964 INFO L857 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-10-13 00:00:11,964 INFO L857 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-10-13 00:00:11,964 INFO L857 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-10-13 00:00:11,964 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-10-13 00:00:11,965 INFO L857 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-10-13 00:00:11,965 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-10-13 00:00:11,965 INFO L857 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,965 INFO L857 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,965 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,966 INFO L857 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-10-13 00:00:11,966 INFO L857 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-10-13 00:00:11,966 INFO L857 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-10-13 00:00:11,966 INFO L857 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-10-13 00:00:11,966 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-10-13 00:00:11,967 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,967 INFO L857 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,967 INFO L857 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,967 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-10-13 00:00:11,967 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-10-13 00:00:11,968 INFO L857 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-10-13 00:00:11,968 INFO L857 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-10-13 00:00:11,968 INFO L857 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-10-13 00:00:11,969 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-10-13 00:00:11,969 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-10-13 00:00:11,969 INFO L857 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-10-13 00:00:11,969 INFO L857 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,969 INFO L857 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,969 INFO L857 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,969 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-10-13 00:00:11,970 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:00:11,970 INFO L857 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-10-13 00:00:11,970 INFO L857 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-10-13 00:00:11,970 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-13 00:00:11,970 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-10-13 00:00:11,970 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-10-13 00:00:11,971 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-10-13 00:00:11,971 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-10-13 00:00:11,971 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,971 INFO L857 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,971 INFO L857 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,971 INFO L857 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-10-13 00:00:11,971 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-10-13 00:00:11,972 INFO L857 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-10-13 00:00:11,972 INFO L857 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-10-13 00:00:11,972 INFO L857 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-10-13 00:00:11,972 INFO L857 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-10-13 00:00:11,972 INFO L857 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-10-13 00:00:11,972 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-10-13 00:00:11,973 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-10-13 00:00:11,973 INFO L857 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,973 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,973 INFO L857 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,973 INFO L857 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-10-13 00:00:11,973 INFO L857 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-10-13 00:00:11,973 INFO L857 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-10-13 00:00:11,974 INFO L857 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-10-13 00:00:11,974 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-10-13 00:00:11,974 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-10-13 00:00:11,974 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:00:11,974 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2021-10-13 00:00:11,974 INFO L857 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,975 INFO L857 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,975 INFO L857 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,975 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-10-13 00:00:11,975 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-10-13 00:00:11,975 INFO L857 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-10-13 00:00:11,975 INFO L857 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-13 00:00:11,975 INFO L857 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-10-13 00:00:11,976 INFO L857 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-10-13 00:00:11,976 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-10-13 00:00:11,976 INFO L857 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-10-13 00:00:11,976 INFO L857 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,976 INFO L857 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,976 INFO L857 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,977 INFO L857 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-10-13 00:00:11,977 INFO L857 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-10-13 00:00:11,977 INFO L857 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-10-13 00:00:11,978 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-10-13 00:00:11,978 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-10-13 00:00:11,978 INFO L857 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,978 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,978 INFO L857 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,978 INFO L857 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-10-13 00:00:11,979 INFO L857 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-10-13 00:00:11,979 INFO L857 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-10-13 00:00:11,979 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-13 00:00:11,979 INFO L857 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-10-13 00:00:11,979 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-10-13 00:00:11,979 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-10-13 00:00:11,979 INFO L857 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-10-13 00:00:11,980 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-10-13 00:00:11,980 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-10-13 00:00:11,980 INFO L857 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-10-13 00:00:11,980 INFO L857 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,980 INFO L857 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,981 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-10-13 00:00:11,981 INFO L857 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-10-13 00:00:11,982 INFO L857 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-10-13 00:00:11,984 INFO L857 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-10-13 00:00:11,984 INFO L857 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-10-13 00:00:11,984 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-10-13 00:00:11,984 INFO L857 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-10-13 00:00:11,984 INFO L857 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-10-13 00:00:11,984 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-10-13 00:00:11,985 INFO L853 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse1 (<= 8 ~a17~0)) (.cse2 (<= ~a17~0 8)) (.cse3 (<= ~a25~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 10 ~a28~0) .cse2 .cse3) (and .cse0 (<= ~a28~0 9) .cse2) (and .cse1 .cse2 .cse3))) [2021-10-13 00:00:11,985 INFO L857 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,985 INFO L857 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,985 INFO L857 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-10-13 00:00:11,985 INFO L857 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-10-13 00:00:11,986 INFO L857 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-10-13 00:00:11,986 INFO L857 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-10-13 00:00:11,986 INFO L857 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-10-13 00:00:11,986 INFO L857 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-10-13 00:00:11,986 INFO L860 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-10-13 00:00:11,986 INFO L857 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,986 INFO L857 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,987 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-10-13 00:00:11,987 INFO L857 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-13 00:00:11,987 INFO L857 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-10-13 00:00:11,987 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-10-13 00:00:11,987 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-10-13 00:00:11,987 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-10-13 00:00:11,988 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-10-13 00:00:11,988 INFO L857 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-10-13 00:00:11,988 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-10-13 00:00:11,988 INFO L857 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,988 INFO L857 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,988 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-10-13 00:00:11,988 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-10-13 00:00:11,989 INFO L857 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-10-13 00:00:11,989 INFO L857 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-10-13 00:00:11,989 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:00:11,989 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-13 00:00:11,989 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-10-13 00:00:11,989 INFO L853 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse0 (= ~a25~0 1)) (.cse1 (<= 8 ~a17~0)) (.cse2 (<= ~a17~0 8)) (.cse3 (<= ~a25~0 0))) (or (and .cse0 .cse1 .cse2) (and (<= 10 ~a28~0) .cse2 .cse3) (and .cse0 (<= ~a28~0 9) .cse2) (and .cse1 .cse2 .cse3))) [2021-10-13 00:00:11,990 INFO L857 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,990 INFO L857 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,990 INFO L857 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-10-13 00:00:11,990 INFO L857 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-10-13 00:00:11,990 INFO L857 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-10-13 00:00:11,990 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-13 00:00:11,990 INFO L857 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-10-13 00:00:11,991 INFO L857 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,991 INFO L857 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,991 INFO L857 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-10-13 00:00:11,991 INFO L857 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-10-13 00:00:11,991 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-10-13 00:00:11,991 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-10-13 00:00:11,992 INFO L857 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-10-13 00:00:11,992 INFO L857 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-10-13 00:00:11,992 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-10-13 00:00:11,992 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-13 00:00:11,992 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-10-13 00:00:11,995 INFO L857 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,995 INFO L857 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,995 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-10-13 00:00:11,995 INFO L857 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,995 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:00:11,995 INFO L857 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-10-13 00:00:11,996 INFO L857 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-10-13 00:00:11,996 INFO L857 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-10-13 00:00:11,996 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-10-13 00:00:11,996 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-10-13 00:00:11,996 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-10-13 00:00:11,996 INFO L857 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,997 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,997 INFO L857 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,997 INFO L857 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-10-13 00:00:11,997 INFO L857 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-10-13 00:00:11,997 INFO L857 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-10-13 00:00:11,997 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-10-13 00:00:11,997 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-10-13 00:00:11,998 INFO L857 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,998 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,998 INFO L857 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-10-13 00:00:11,998 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-10-13 00:00:11,998 INFO L857 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-10-13 00:00:11,998 INFO L857 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-10-13 00:00:11,999 INFO L857 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-10-13 00:00:11,999 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-10-13 00:00:11,999 INFO L857 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-10-13 00:00:12,003 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:00:12,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:00:12 BoogieIcfgContainer [2021-10-13 00:00:12,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:00:12,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:00:12,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:00:12,022 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:00:12,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:05" (3/4) ... [2021-10-13 00:00:12,028 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:00:12,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-13 00:00:12,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 00:00:12,061 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:00:12,062 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:00:12,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:00:12,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:00:12,219 INFO L168 Benchmark]: Toolchain (without parser) took 8414.05 ms. Allocated memory was 125.8 MB in the beginning and 192.9 MB in the end (delta: 67.1 MB). Free memory was 91.0 MB in the beginning and 153.6 MB in the end (delta: -62.6 MB). Peak memory consumption was 110.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,219 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:12,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.24 ms. Allocated memory is still 125.8 MB. Free memory was 90.8 MB in the beginning and 85.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.60 ms. Allocated memory is still 125.8 MB. Free memory was 85.9 MB in the beginning and 80.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,221 INFO L168 Benchmark]: Boogie Preprocessor took 82.99 ms. Allocated memory is still 125.8 MB. Free memory was 80.5 MB in the beginning and 76.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,221 INFO L168 Benchmark]: RCFGBuilder took 1148.63 ms. Allocated memory is still 125.8 MB. Free memory was 76.3 MB in the beginning and 60.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,222 INFO L168 Benchmark]: TraceAbstraction took 6329.98 ms. Allocated memory was 125.8 MB in the beginning and 192.9 MB in the end (delta: 67.1 MB). Free memory was 59.5 MB in the beginning and 54.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,222 INFO L168 Benchmark]: Witness Printer took 194.88 ms. Allocated memory is still 192.9 MB. Free memory was 54.6 MB in the beginning and 153.6 MB in the end (delta: -99.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:12,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 88.1 MB. Free memory is still 42.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 540.24 ms. Allocated memory is still 125.8 MB. Free memory was 90.8 MB in the beginning and 85.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.60 ms. Allocated memory is still 125.8 MB. Free memory was 85.9 MB in the beginning and 80.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.99 ms. Allocated memory is still 125.8 MB. Free memory was 80.5 MB in the beginning and 76.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1148.63 ms. Allocated memory is still 125.8 MB. Free memory was 76.3 MB in the beginning and 60.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6329.98 ms. Allocated memory was 125.8 MB in the beginning and 192.9 MB in the end (delta: 67.1 MB). Free memory was 59.5 MB in the beginning and 54.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 74.7 MB. Max. memory is 16.1 GB. * Witness Printer took 194.88 ms. Allocated memory is still 192.9 MB. Free memory was 54.6 MB in the beginning and 153.6 MB in the end (delta: -99.0 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 524]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6253.7ms, OverallIterations: 8, TraceHistogramMax: 4, EmptinessCheckTime: 51.9ms, AutomataDifference: 3640.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 139.2ms, InitialAbstractionConstructionTime: 15.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 732 SDtfs, 1174 SDslu, 105 SDs, 0 SdLazy, 2713 SolverSat, 473 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2464.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 34.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2557occurred in iteration=6, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 337.7ms AutomataMinimizationTime, 8 MinimizatonAttempts, 296 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 422 FormulaSimplificationTreeSizeReduction, 33.9ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 97.9ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 105.1ms SsaConstructionTime, 258.5ms SatisfiabilityAnalysisTime, 1158.4ms InterpolantComputationTime, 1195 NumberOfCodeBlocks, 1195 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1186 ConstructedInterpolants, 0 QuantifiedInterpolants, 3602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 283 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 178/194 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: 616]: Loop Invariant Derived loop invariant: ((((a25 == 1 && 8 <= a17) && a17 <= 8) || ((10 <= a28 && a17 <= 8) && a25 <= 0)) || ((a25 == 1 && a28 <= 9) && a17 <= 8)) || ((8 <= a17 && a17 <= 8) && a25 <= 0) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((a25 == 1 && 8 <= a17) && a17 <= 8) || ((10 <= a28 && a17 <= 8) && a25 <= 0)) || ((a25 == 1 && a28 <= 9) && a17 <= 8)) || ((8 <= a17 && a17 <= 8) && a25 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-13 00:00:12,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13354d50-1df2-490f-a583-68ac7ca2bb82/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...