./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label42.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96107ddac20ae25720715e53c2e276b0ff7d668effb9cd422fe5eafc03582006 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:06:35,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:06:35,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:06:35,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:06:35,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:06:35,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:06:35,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:06:35,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:06:35,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:06:35,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:06:35,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:06:35,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:06:35,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:06:35,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:06:35,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:06:35,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:06:35,491 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:06:35,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:06:35,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:06:35,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:06:35,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:06:35,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:06:35,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:06:35,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:06:35,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:06:35,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:06:35,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:06:35,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:06:35,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:06:35,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:06:35,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:06:35,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:06:35,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:06:35,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:06:35,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:06:35,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:06:35,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:06:35,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:06:35,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:06:35,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:06:35,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:06:35,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:06:35,564 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:06:35,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:06:35,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:06:35,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:06:35,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:06:35,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:06:35,577 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:06:35,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:06:35,578 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:06:35,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:06:35,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:06:35,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:06:35,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:06:35,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:06:35,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:06:35,580 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:06:35,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:06:35,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:06:35,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:06:35,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:06:35,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:06:35,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:06:35,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:06:35,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:06:35,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:06:35,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:06:35,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:06:35,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:06:35,584 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:06:35,585 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:06:35,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:06:35,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:06:35,586 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_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96107ddac20ae25720715e53c2e276b0ff7d668effb9cd422fe5eafc03582006 [2021-10-21 20:06:35,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:06:35,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:06:35,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:06:35,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:06:35,920 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:06:35,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem17_label42.c [2021-10-21 20:06:35,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/data/2cbe7b68a/ea6fc21549d14e848f909c8a38bbaa34/FLAG4407c451f [2021-10-21 20:06:36,738 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:06:36,739 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/sv-benchmarks/c/eca-rers2012/Problem17_label42.c [2021-10-21 20:06:36,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/data/2cbe7b68a/ea6fc21549d14e848f909c8a38bbaa34/FLAG4407c451f [2021-10-21 20:06:36,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/data/2cbe7b68a/ea6fc21549d14e848f909c8a38bbaa34 [2021-10-21 20:06:36,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:06:36,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:06:36,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:06:36,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:06:36,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:06:36,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:06:36" (1/1) ... [2021-10-21 20:06:36,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188974b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:36, skipping insertion in model container [2021-10-21 20:06:36,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:06:36" (1/1) ... [2021-10-21 20:06:36,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:06:36,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:06:37,301 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_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/sv-benchmarks/c/eca-rers2012/Problem17_label42.c[6070,6083] [2021-10-21 20:06:38,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:06:38,041 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:06:38,085 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_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/sv-benchmarks/c/eca-rers2012/Problem17_label42.c[6070,6083] [2021-10-21 20:06:38,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:06:38,472 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:06:38,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38 WrapperNode [2021-10-21 20:06:38,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:06:38,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:06:38,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:06:38,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:06:38,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (1/1) ... [2021-10-21 20:06:38,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (1/1) ... [2021-10-21 20:06:38,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:06:38,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:06:38,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:06:38,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:06:38,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (1/1) ... [2021-10-21 20:06:38,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (1/1) ... [2021-10-21 20:06:38,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (1/1) ... [2021-10-21 20:06:38,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (1/1) ... [2021-10-21 20:06:39,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (1/1) ... [2021-10-21 20:06:39,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (1/1) ... [2021-10-21 20:06:39,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (1/1) ... [2021-10-21 20:06:39,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:06:39,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:06:39,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:06:39,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:06:39,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (1/1) ... [2021-10-21 20:06:39,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:06:39,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:06:39,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:06:39,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:06:39,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:06:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:06:39,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:06:39,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:06:43,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:06:43,654 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-21 20:06:43,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:06:43 BoogieIcfgContainer [2021-10-21 20:06:43,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:06:43,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:06:43,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:06:43,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:06:43,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:06:36" (1/3) ... [2021-10-21 20:06:43,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b1e5df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:06:43, skipping insertion in model container [2021-10-21 20:06:43,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:06:38" (2/3) ... [2021-10-21 20:06:43,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b1e5df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:06:43, skipping insertion in model container [2021-10-21 20:06:43,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:06:43" (3/3) ... [2021-10-21 20:06:43,666 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem17_label42.c [2021-10-21 20:06:43,671 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:06:43,671 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 20:06:43,722 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:06:43,729 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:06:43,729 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 20:06:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 590 states, 588 states have (on average 1.8061224489795917) internal successors, (1062), 589 states have internal predecessors, (1062), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-21 20:06:43,765 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:43,766 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] [2021-10-21 20:06:43,766 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:43,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:43,772 INFO L82 PathProgramCache]: Analyzing trace with hash 2102454322, now seen corresponding path program 1 times [2021-10-21 20:06:43,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:43,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249048640] [2021-10-21 20:06:43,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:43,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:44,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:44,049 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249048640] [2021-10-21 20:06:44,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249048640] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:44,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:44,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:06:44,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948466139] [2021-10-21 20:06:44,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:44,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:44,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:44,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:44,081 INFO L87 Difference]: Start difference. First operand has 590 states, 588 states have (on average 1.8061224489795917) internal successors, (1062), 589 states have internal predecessors, (1062), 0 states have call successors, (0), 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 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:47,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:47,377 INFO L93 Difference]: Finished difference Result 1667 states and 3061 transitions. [2021-10-21 20:06:47,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:47,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2021-10-21 20:06:47,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:47,404 INFO L225 Difference]: With dead ends: 1667 [2021-10-21 20:06:47,405 INFO L226 Difference]: Without dead ends: 998 [2021-10-21 20:06:47,411 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:47,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2021-10-21 20:06:47,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 982. [2021-10-21 20:06:47,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 982 states, 981 states have (on average 1.707441386340469) internal successors, (1675), 981 states have internal predecessors, (1675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1675 transitions. [2021-10-21 20:06:47,517 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1675 transitions. Word has length 40 [2021-10-21 20:06:47,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:47,518 INFO L470 AbstractCegarLoop]: Abstraction has 982 states and 1675 transitions. [2021-10-21 20:06:47,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1675 transitions. [2021-10-21 20:06:47,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-21 20:06:47,523 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:47,524 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:47,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:06:47,524 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:47,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:47,525 INFO L82 PathProgramCache]: Analyzing trace with hash 48341583, now seen corresponding path program 1 times [2021-10-21 20:06:47,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:47,526 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422248235] [2021-10-21 20:06:47,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:47,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:47,717 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:47,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:47,717 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422248235] [2021-10-21 20:06:47,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422248235] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:47,718 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:47,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:06:47,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499251560] [2021-10-21 20:06:47,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:47,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:47,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:47,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:47,722 INFO L87 Difference]: Start difference. First operand 982 states and 1675 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:51,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:51,412 INFO L93 Difference]: Finished difference Result 2841 states and 4881 transitions. [2021-10-21 20:06:51,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:51,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-10-21 20:06:51,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:51,426 INFO L225 Difference]: With dead ends: 2841 [2021-10-21 20:06:51,427 INFO L226 Difference]: Without dead ends: 1861 [2021-10-21 20:06:51,434 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:51,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2021-10-21 20:06:51,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1857. [2021-10-21 20:06:51,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1856 states have (on average 1.4547413793103448) internal successors, (2700), 1856 states have internal predecessors, (2700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:51,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2700 transitions. [2021-10-21 20:06:51,510 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2700 transitions. Word has length 105 [2021-10-21 20:06:51,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:51,511 INFO L470 AbstractCegarLoop]: Abstraction has 1857 states and 2700 transitions. [2021-10-21 20:06:51,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2700 transitions. [2021-10-21 20:06:51,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-10-21 20:06:51,528 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:51,529 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:51,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:06:51,530 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:51,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:51,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1523238332, now seen corresponding path program 1 times [2021-10-21 20:06:51,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:51,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305175729] [2021-10-21 20:06:51,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:51,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:51,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:51,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305175729] [2021-10-21 20:06:51,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305175729] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:51,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:51,734 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:06:51,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939129923] [2021-10-21 20:06:51,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:51,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:51,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:51,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:51,737 INFO L87 Difference]: Start difference. First operand 1857 states and 2700 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:55,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:55,166 INFO L93 Difference]: Finished difference Result 4591 states and 6640 transitions. [2021-10-21 20:06:55,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:06:55,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 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 145 [2021-10-21 20:06:55,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:55,185 INFO L225 Difference]: With dead ends: 4591 [2021-10-21 20:06:55,185 INFO L226 Difference]: Without dead ends: 2736 [2021-10-21 20:06:55,188 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:55,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2736 states. [2021-10-21 20:06:55,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2736 to 2716. [2021-10-21 20:06:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2715 states have (on average 1.390791896869245) internal successors, (3776), 2715 states have internal predecessors, (3776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3776 transitions. [2021-10-21 20:06:55,259 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3776 transitions. Word has length 145 [2021-10-21 20:06:55,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:55,260 INFO L470 AbstractCegarLoop]: Abstraction has 2716 states and 3776 transitions. [2021-10-21 20:06:55,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 2 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3776 transitions. [2021-10-21 20:06:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-10-21 20:06:55,263 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:55,264 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:55,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:06:55,264 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:55,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:55,265 INFO L82 PathProgramCache]: Analyzing trace with hash 652145173, now seen corresponding path program 1 times [2021-10-21 20:06:55,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:55,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921557074] [2021-10-21 20:06:55,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:55,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:06:55,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:55,474 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921557074] [2021-10-21 20:06:55,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921557074] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:55,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:55,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:06:55,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925034081] [2021-10-21 20:06:55,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:06:55,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:55,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:06:55,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:06:55,477 INFO L87 Difference]: Start difference. First operand 2716 states and 3776 transitions. Second operand has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:58,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:06:58,596 INFO L93 Difference]: Finished difference Result 5012 states and 6951 transitions. [2021-10-21 20:06:58,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:06:58,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 151 [2021-10-21 20:06:58,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:06:58,612 INFO L225 Difference]: With dead ends: 5012 [2021-10-21 20:06:58,612 INFO L226 Difference]: Without dead ends: 2298 [2021-10-21 20:06:58,617 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:06:58,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2298 states. [2021-10-21 20:06:58,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2298 to 2282. [2021-10-21 20:06:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2282 states, 2281 states have (on average 1.3726435773783427) internal successors, (3131), 2281 states have internal predecessors, (3131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 2282 states and 3131 transitions. [2021-10-21 20:06:58,681 INFO L78 Accepts]: Start accepts. Automaton has 2282 states and 3131 transitions. Word has length 151 [2021-10-21 20:06:58,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:06:58,683 INFO L470 AbstractCegarLoop]: Abstraction has 2282 states and 3131 transitions. [2021-10-21 20:06:58,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.75) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:06:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 3131 transitions. [2021-10-21 20:06:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-10-21 20:06:58,686 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:06:58,687 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:06:58,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:06:58,687 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:06:58,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:06:58,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1054609501, now seen corresponding path program 1 times [2021-10-21 20:06:58,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:06:58,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871178092] [2021-10-21 20:06:58,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:06:58,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:06:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:06:58,875 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-10-21 20:06:58,875 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:06:58,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871178092] [2021-10-21 20:06:58,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871178092] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:06:58,876 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:06:58,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:06:58,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129501621] [2021-10-21 20:06:58,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:06:58,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:06:58,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:06:58,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:06:58,878 INFO L87 Difference]: Start difference. First operand 2282 states and 3131 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:01,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:01,176 INFO L93 Difference]: Finished difference Result 5850 states and 8323 transitions. [2021-10-21 20:07:01,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:01,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 175 [2021-10-21 20:07:01,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:01,206 INFO L225 Difference]: With dead ends: 5850 [2021-10-21 20:07:01,206 INFO L226 Difference]: Without dead ends: 3995 [2021-10-21 20:07:01,210 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:01,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3995 states. [2021-10-21 20:07:01,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3995 to 3142. [2021-10-21 20:07:01,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3142 states, 3141 states have (on average 1.274434893346068) internal successors, (4003), 3141 states have internal predecessors, (4003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 3142 states and 4003 transitions. [2021-10-21 20:07:01,301 INFO L78 Accepts]: Start accepts. Automaton has 3142 states and 4003 transitions. Word has length 175 [2021-10-21 20:07:01,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:01,302 INFO L470 AbstractCegarLoop]: Abstraction has 3142 states and 4003 transitions. [2021-10-21 20:07:01,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:01,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3142 states and 4003 transitions. [2021-10-21 20:07:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-10-21 20:07:01,306 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:01,306 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:01,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:07:01,307 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:01,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:01,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1757277791, now seen corresponding path program 1 times [2021-10-21 20:07:01,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:01,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982251199] [2021-10-21 20:07:01,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:01,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:01,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:01,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982251199] [2021-10-21 20:07:01,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982251199] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:01,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:01,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:01,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158458049] [2021-10-21 20:07:01,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:01,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:01,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:01,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:01,425 INFO L87 Difference]: Start difference. First operand 3142 states and 4003 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:03,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:03,825 INFO L93 Difference]: Finished difference Result 7992 states and 10495 transitions. [2021-10-21 20:07:03,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:03,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 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 188 [2021-10-21 20:07:03,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:03,856 INFO L225 Difference]: With dead ends: 7992 [2021-10-21 20:07:03,856 INFO L226 Difference]: Without dead ends: 4852 [2021-10-21 20:07:03,861 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:03,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4852 states. [2021-10-21 20:07:04,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4852 to 4852. [2021-10-21 20:07:04,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4852 states, 4851 states have (on average 1.2665429808286952) internal successors, (6144), 4851 states have internal predecessors, (6144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:04,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4852 states to 4852 states and 6144 transitions. [2021-10-21 20:07:04,065 INFO L78 Accepts]: Start accepts. Automaton has 4852 states and 6144 transitions. Word has length 188 [2021-10-21 20:07:04,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:04,066 INFO L470 AbstractCegarLoop]: Abstraction has 4852 states and 6144 transitions. [2021-10-21 20:07:04,067 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 4852 states and 6144 transitions. [2021-10-21 20:07:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-10-21 20:07:04,071 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:04,071 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:04,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:07:04,072 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:04,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:04,072 INFO L82 PathProgramCache]: Analyzing trace with hash -260014896, now seen corresponding path program 1 times [2021-10-21 20:07:04,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:04,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749455357] [2021-10-21 20:07:04,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:04,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-10-21 20:07:04,251 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:04,251 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749455357] [2021-10-21 20:07:04,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749455357] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:04,251 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:04,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:04,252 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598605791] [2021-10-21 20:07:04,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:04,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:04,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:04,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:04,254 INFO L87 Difference]: Start difference. First operand 4852 states and 6144 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 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) [2021-10-21 20:07:07,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:07,144 INFO L93 Difference]: Finished difference Result 12249 states and 15825 transitions. [2021-10-21 20:07:07,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:07,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 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 194 [2021-10-21 20:07:07,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:07,188 INFO L225 Difference]: With dead ends: 12249 [2021-10-21 20:07:07,188 INFO L226 Difference]: Without dead ends: 7399 [2021-10-21 20:07:07,196 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:07,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7399 states. [2021-10-21 20:07:07,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7399 to 4826. [2021-10-21 20:07:07,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4826 states, 4825 states have (on average 1.2652849740932643) internal successors, (6105), 4825 states have internal predecessors, (6105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:07,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4826 states to 4826 states and 6105 transitions. [2021-10-21 20:07:07,338 INFO L78 Accepts]: Start accepts. Automaton has 4826 states and 6105 transitions. Word has length 194 [2021-10-21 20:07:07,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:07,339 INFO L470 AbstractCegarLoop]: Abstraction has 4826 states and 6105 transitions. [2021-10-21 20:07:07,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 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) [2021-10-21 20:07:07,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4826 states and 6105 transitions. [2021-10-21 20:07:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-10-21 20:07:07,343 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:07,343 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:07,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:07:07,344 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:07,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:07,345 INFO L82 PathProgramCache]: Analyzing trace with hash -546786268, now seen corresponding path program 1 times [2021-10-21 20:07:07,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:07,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397552120] [2021-10-21 20:07:07,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:07,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:07,464 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:07,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:07,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397552120] [2021-10-21 20:07:07,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397552120] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:07,465 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:07,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:07,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970129489] [2021-10-21 20:07:07,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:07,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:07,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:07,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:07,468 INFO L87 Difference]: Start difference. First operand 4826 states and 6105 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:10,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:10,229 INFO L93 Difference]: Finished difference Result 13930 states and 17666 transitions. [2021-10-21 20:07:10,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:10,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2021-10-21 20:07:10,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:10,269 INFO L225 Difference]: With dead ends: 13930 [2021-10-21 20:07:10,270 INFO L226 Difference]: Without dead ends: 7828 [2021-10-21 20:07:10,278 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:10,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7828 states. [2021-10-21 20:07:10,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7828 to 7822. [2021-10-21 20:07:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7822 states, 7821 states have (on average 1.1792609640710907) internal successors, (9223), 7821 states have internal predecessors, (9223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:10,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7822 states to 7822 states and 9223 transitions. [2021-10-21 20:07:10,469 INFO L78 Accepts]: Start accepts. Automaton has 7822 states and 9223 transitions. Word has length 207 [2021-10-21 20:07:10,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:10,470 INFO L470 AbstractCegarLoop]: Abstraction has 7822 states and 9223 transitions. [2021-10-21 20:07:10,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:10,471 INFO L276 IsEmpty]: Start isEmpty. Operand 7822 states and 9223 transitions. [2021-10-21 20:07:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-10-21 20:07:10,477 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:10,478 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:10,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:07:10,478 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:10,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:10,479 INFO L82 PathProgramCache]: Analyzing trace with hash -304170090, now seen corresponding path program 1 times [2021-10-21 20:07:10,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:10,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520390798] [2021-10-21 20:07:10,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:10,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 75 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:10,658 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:10,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520390798] [2021-10-21 20:07:10,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520390798] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:10,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620051837] [2021-10-21 20:07:10,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:10,660 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:10,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:10,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:10,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 20:07:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:10,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:07:10,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:11,789 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 75 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:11,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620051837] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:11,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:07:11,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-10-21 20:07:11,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069860236] [2021-10-21 20:07:11,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:07:11,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:11,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:07:11,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:11,794 INFO L87 Difference]: Start difference. First operand 7822 states and 9223 transitions. Second operand has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 5 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:18,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:18,850 INFO L93 Difference]: Finished difference Result 23757 states and 28397 transitions. [2021-10-21 20:07:18,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:07:18,850 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 5 states have internal predecessors, (481), 0 states have call successors, (0), 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 260 [2021-10-21 20:07:18,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:18,875 INFO L225 Difference]: With dead ends: 23757 [2021-10-21 20:07:18,876 INFO L226 Difference]: Without dead ends: 14235 [2021-10-21 20:07:18,886 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 29.6ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:07:18,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14235 states. [2021-10-21 20:07:19,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14235 to 13782. [2021-10-21 20:07:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13782 states, 13781 states have (on average 1.1413540381684928) internal successors, (15729), 13781 states have internal predecessors, (15729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:19,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13782 states to 13782 states and 15729 transitions. [2021-10-21 20:07:19,105 INFO L78 Accepts]: Start accepts. Automaton has 13782 states and 15729 transitions. Word has length 260 [2021-10-21 20:07:19,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:19,106 INFO L470 AbstractCegarLoop]: Abstraction has 13782 states and 15729 transitions. [2021-10-21 20:07:19,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 80.16666666666667) internal successors, (481), 5 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 13782 states and 15729 transitions. [2021-10-21 20:07:19,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-10-21 20:07:19,113 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:19,114 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:19,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-21 20:07:19,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:19,329 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:19,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:19,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1944044261, now seen corresponding path program 1 times [2021-10-21 20:07:19,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:19,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344844378] [2021-10-21 20:07:19,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:19,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-10-21 20:07:19,526 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:19,526 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344844378] [2021-10-21 20:07:19,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344844378] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:19,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:19,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:19,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438012929] [2021-10-21 20:07:19,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:19,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:19,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:19,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:19,538 INFO L87 Difference]: Start difference. First operand 13782 states and 15729 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:22,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:22,083 INFO L93 Difference]: Finished difference Result 35235 states and 40523 transitions. [2021-10-21 20:07:22,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:22,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 300 [2021-10-21 20:07:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:22,127 INFO L225 Difference]: With dead ends: 35235 [2021-10-21 20:07:22,127 INFO L226 Difference]: Without dead ends: 21029 [2021-10-21 20:07:22,143 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:22,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21029 states. [2021-10-21 20:07:22,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21029 to 13782. [2021-10-21 20:07:22,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13782 states, 13781 states have (on average 1.1391771279297584) internal successors, (15699), 13781 states have internal predecessors, (15699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:22,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13782 states to 13782 states and 15699 transitions. [2021-10-21 20:07:22,403 INFO L78 Accepts]: Start accepts. Automaton has 13782 states and 15699 transitions. Word has length 300 [2021-10-21 20:07:22,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:22,404 INFO L470 AbstractCegarLoop]: Abstraction has 13782 states and 15699 transitions. [2021-10-21 20:07:22,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:22,405 INFO L276 IsEmpty]: Start isEmpty. Operand 13782 states and 15699 transitions. [2021-10-21 20:07:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-10-21 20:07:22,413 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:22,413 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:22,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 20:07:22,414 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:22,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:22,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1295125674, now seen corresponding path program 1 times [2021-10-21 20:07:22,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:22,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328906382] [2021-10-21 20:07:22,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:22,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:22,573 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2021-10-21 20:07:22,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:22,573 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328906382] [2021-10-21 20:07:22,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328906382] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:22,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:22,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:22,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896820125] [2021-10-21 20:07:22,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:22,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:22,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:22,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:22,576 INFO L87 Difference]: Start difference. First operand 13782 states and 15699 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:25,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:25,095 INFO L93 Difference]: Finished difference Result 31012 states and 35549 transitions. [2021-10-21 20:07:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:25,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 312 [2021-10-21 20:07:25,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:25,122 INFO L225 Difference]: With dead ends: 31012 [2021-10-21 20:07:25,123 INFO L226 Difference]: Without dead ends: 17657 [2021-10-21 20:07:25,135 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:25,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17657 states. [2021-10-21 20:07:25,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17657 to 13784. [2021-10-21 20:07:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13784 states, 13783 states have (on average 1.139011826162664) internal successors, (15699), 13783 states have internal predecessors, (15699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13784 states to 13784 states and 15699 transitions. [2021-10-21 20:07:25,338 INFO L78 Accepts]: Start accepts. Automaton has 13784 states and 15699 transitions. Word has length 312 [2021-10-21 20:07:25,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:25,339 INFO L470 AbstractCegarLoop]: Abstraction has 13784 states and 15699 transitions. [2021-10-21 20:07:25,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:25,339 INFO L276 IsEmpty]: Start isEmpty. Operand 13784 states and 15699 transitions. [2021-10-21 20:07:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-10-21 20:07:25,348 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:25,349 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:25,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 20:07:25,349 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:25,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:25,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1399145199, now seen corresponding path program 1 times [2021-10-21 20:07:25,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:25,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026371400] [2021-10-21 20:07:25,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:25,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:25,508 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-10-21 20:07:25,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:25,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026371400] [2021-10-21 20:07:25,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026371400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:25,509 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:25,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:25,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199385903] [2021-10-21 20:07:25,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:25,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:25,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:25,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:25,512 INFO L87 Difference]: Start difference. First operand 13784 states and 15699 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:27,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:27,783 INFO L93 Difference]: Finished difference Result 30542 states and 35273 transitions. [2021-10-21 20:07:27,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:27,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 327 [2021-10-21 20:07:27,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:27,814 INFO L225 Difference]: With dead ends: 30542 [2021-10-21 20:07:27,814 INFO L226 Difference]: Without dead ends: 16335 [2021-10-21 20:07:27,828 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:27,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16335 states. [2021-10-21 20:07:27,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16335 to 12075. [2021-10-21 20:07:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12075 states, 12074 states have (on average 1.1282093755176412) internal successors, (13622), 12074 states have internal predecessors, (13622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:28,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12075 states to 12075 states and 13622 transitions. [2021-10-21 20:07:28,012 INFO L78 Accepts]: Start accepts. Automaton has 12075 states and 13622 transitions. Word has length 327 [2021-10-21 20:07:28,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:28,013 INFO L470 AbstractCegarLoop]: Abstraction has 12075 states and 13622 transitions. [2021-10-21 20:07:28,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:28,014 INFO L276 IsEmpty]: Start isEmpty. Operand 12075 states and 13622 transitions. [2021-10-21 20:07:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-10-21 20:07:28,019 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:28,020 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:28,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 20:07:28,020 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:28,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:28,021 INFO L82 PathProgramCache]: Analyzing trace with hash 555481538, now seen corresponding path program 1 times [2021-10-21 20:07:28,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:28,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12812018] [2021-10-21 20:07:28,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:28,022 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 256 proven. 40 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-10-21 20:07:28,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:28,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12812018] [2021-10-21 20:07:28,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12812018] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:28,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973702318] [2021-10-21 20:07:28,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:28,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:28,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:28,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:28,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 20:07:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:28,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 20:07:28,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:29,432 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-10-21 20:07:29,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973702318] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:29,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:07:29,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 20:07:29,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713947321] [2021-10-21 20:07:29,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:29,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:29,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:29,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:29,436 INFO L87 Difference]: Start difference. First operand 12075 states and 13622 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:31,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:31,819 INFO L93 Difference]: Finished difference Result 25428 states and 28779 transitions. [2021-10-21 20:07:31,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:31,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 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 330 [2021-10-21 20:07:31,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:31,839 INFO L225 Difference]: With dead ends: 25428 [2021-10-21 20:07:31,839 INFO L226 Difference]: Without dead ends: 13780 [2021-10-21 20:07:31,847 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 24.0ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:31,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13780 states. [2021-10-21 20:07:32,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13780 to 13354. [2021-10-21 20:07:32,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13354 states, 13353 states have (on average 1.1223695049801543) internal successors, (14987), 13353 states have internal predecessors, (14987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13354 states to 13354 states and 14987 transitions. [2021-10-21 20:07:32,046 INFO L78 Accepts]: Start accepts. Automaton has 13354 states and 14987 transitions. Word has length 330 [2021-10-21 20:07:32,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:32,047 INFO L470 AbstractCegarLoop]: Abstraction has 13354 states and 14987 transitions. [2021-10-21 20:07:32,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:32,048 INFO L276 IsEmpty]: Start isEmpty. Operand 13354 states and 14987 transitions. [2021-10-21 20:07:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2021-10-21 20:07:32,054 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:32,055 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:32,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:32,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-21 20:07:32,281 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:32,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:32,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1495236952, now seen corresponding path program 1 times [2021-10-21 20:07:32,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:32,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561947661] [2021-10-21 20:07:32,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:32,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 383 proven. 40 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-10-21 20:07:32,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:32,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561947661] [2021-10-21 20:07:32,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561947661] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:32,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [23106447] [2021-10-21 20:07:32,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:32,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:32,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:32,569 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:32,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-21 20:07:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:33,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:07:33,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2021-10-21 20:07:33,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [23106447] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:33,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 20:07:33,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-21 20:07:33,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835071563] [2021-10-21 20:07:33,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:33,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:33,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:33,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:33,925 INFO L87 Difference]: Start difference. First operand 13354 states and 14987 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 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) [2021-10-21 20:07:36,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:36,887 INFO L93 Difference]: Finished difference Result 32237 states and 36508 transitions. [2021-10-21 20:07:36,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:36,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 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 334 [2021-10-21 20:07:36,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:36,913 INFO L225 Difference]: With dead ends: 32237 [2021-10-21 20:07:36,913 INFO L226 Difference]: Without dead ends: 18033 [2021-10-21 20:07:36,923 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 27.0ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:36,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18033 states. [2021-10-21 20:07:37,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18033 to 13760. [2021-10-21 20:07:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13760 states, 13759 states have (on average 1.1175230758049277) internal successors, (15376), 13759 states have internal predecessors, (15376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13760 states to 13760 states and 15376 transitions. [2021-10-21 20:07:37,171 INFO L78 Accepts]: Start accepts. Automaton has 13760 states and 15376 transitions. Word has length 334 [2021-10-21 20:07:37,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:37,171 INFO L470 AbstractCegarLoop]: Abstraction has 13760 states and 15376 transitions. [2021-10-21 20:07:37,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 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) [2021-10-21 20:07:37,173 INFO L276 IsEmpty]: Start isEmpty. Operand 13760 states and 15376 transitions. [2021-10-21 20:07:37,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-10-21 20:07:37,180 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:37,180 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:37,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:37,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-21 20:07:37,397 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:37,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:37,397 INFO L82 PathProgramCache]: Analyzing trace with hash 977737213, now seen corresponding path program 1 times [2021-10-21 20:07:37,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:37,398 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247275383] [2021-10-21 20:07:37,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:37,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:37,589 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-10-21 20:07:37,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:37,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247275383] [2021-10-21 20:07:37,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247275383] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:37,590 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:37,590 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:37,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231864411] [2021-10-21 20:07:37,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:37,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:37,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:37,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:37,593 INFO L87 Difference]: Start difference. First operand 13760 states and 15376 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:40,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:40,295 INFO L93 Difference]: Finished difference Result 30940 states and 34792 transitions. [2021-10-21 20:07:40,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:40,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 352 [2021-10-21 20:07:40,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:40,313 INFO L225 Difference]: With dead ends: 30940 [2021-10-21 20:07:40,313 INFO L226 Difference]: Without dead ends: 16752 [2021-10-21 20:07:40,323 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:40,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16752 states. [2021-10-21 20:07:40,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16752 to 16322. [2021-10-21 20:07:40,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16322 states, 16321 states have (on average 1.11635316463452) internal successors, (18220), 16321 states have internal predecessors, (18220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16322 states to 16322 states and 18220 transitions. [2021-10-21 20:07:40,655 INFO L78 Accepts]: Start accepts. Automaton has 16322 states and 18220 transitions. Word has length 352 [2021-10-21 20:07:40,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:40,656 INFO L470 AbstractCegarLoop]: Abstraction has 16322 states and 18220 transitions. [2021-10-21 20:07:40,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:40,657 INFO L276 IsEmpty]: Start isEmpty. Operand 16322 states and 18220 transitions. [2021-10-21 20:07:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2021-10-21 20:07:40,668 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:40,669 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:40,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-21 20:07:40,669 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:40,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:40,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2065719755, now seen corresponding path program 1 times [2021-10-21 20:07:40,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:40,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800838782] [2021-10-21 20:07:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:40,671 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-10-21 20:07:40,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:40,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800838782] [2021-10-21 20:07:40,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800838782] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:40,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:40,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:40,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727522073] [2021-10-21 20:07:40,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:40,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:40,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:40,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:40,916 INFO L87 Difference]: Start difference. First operand 16322 states and 18220 transitions. Second operand has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:43,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:43,842 INFO L93 Difference]: Finished difference Result 39068 states and 43827 transitions. [2021-10-21 20:07:43,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:43,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 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 422 [2021-10-21 20:07:43,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:43,870 INFO L225 Difference]: With dead ends: 39068 [2021-10-21 20:07:43,870 INFO L226 Difference]: Without dead ends: 23173 [2021-10-21 20:07:43,881 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:43,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23173 states. [2021-10-21 20:07:44,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23173 to 22726. [2021-10-21 20:07:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22726 states, 22725 states have (on average 1.1228602860286028) internal successors, (25517), 22725 states have internal predecessors, (25517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:44,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22726 states to 22726 states and 25517 transitions. [2021-10-21 20:07:44,173 INFO L78 Accepts]: Start accepts. Automaton has 22726 states and 25517 transitions. Word has length 422 [2021-10-21 20:07:44,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:44,174 INFO L470 AbstractCegarLoop]: Abstraction has 22726 states and 25517 transitions. [2021-10-21 20:07:44,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.0) internal successors, (237), 3 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 22726 states and 25517 transitions. [2021-10-21 20:07:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-10-21 20:07:44,188 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:44,189 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:44,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-21 20:07:44,189 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:44,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:44,190 INFO L82 PathProgramCache]: Analyzing trace with hash 642720953, now seen corresponding path program 1 times [2021-10-21 20:07:44,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:44,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442957869] [2021-10-21 20:07:44,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:44,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-10-21 20:07:44,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:44,495 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442957869] [2021-10-21 20:07:44,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442957869] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:44,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:44,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:44,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712890572] [2021-10-21 20:07:44,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:44,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:44,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:44,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:44,499 INFO L87 Difference]: Start difference. First operand 22726 states and 25517 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:46,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:46,963 INFO L93 Difference]: Finished difference Result 51848 states and 58359 transitions. [2021-10-21 20:07:46,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:46,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 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 475 [2021-10-21 20:07:46,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:47,000 INFO L225 Difference]: With dead ends: 51848 [2021-10-21 20:07:47,001 INFO L226 Difference]: Without dead ends: 29549 [2021-10-21 20:07:47,014 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:47,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29549 states. [2021-10-21 20:07:47,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29549 to 21425. [2021-10-21 20:07:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21425 states, 21424 states have (on average 1.126587005227782) internal successors, (24136), 21424 states have internal predecessors, (24136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21425 states to 21425 states and 24136 transitions. [2021-10-21 20:07:47,284 INFO L78 Accepts]: Start accepts. Automaton has 21425 states and 24136 transitions. Word has length 475 [2021-10-21 20:07:47,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:47,285 INFO L470 AbstractCegarLoop]: Abstraction has 21425 states and 24136 transitions. [2021-10-21 20:07:47,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 21425 states and 24136 transitions. [2021-10-21 20:07:47,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-10-21 20:07:47,307 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:47,308 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:47,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-21 20:07:47,308 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:47,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:47,309 INFO L82 PathProgramCache]: Analyzing trace with hash 396274606, now seen corresponding path program 1 times [2021-10-21 20:07:47,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:47,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320555562] [2021-10-21 20:07:47,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:47,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:47,519 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2021-10-21 20:07:47,519 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:47,519 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320555562] [2021-10-21 20:07:47,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320555562] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:47,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:47,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:47,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201236882] [2021-10-21 20:07:47,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:47,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:47,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:47,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:47,522 INFO L87 Difference]: Start difference. First operand 21425 states and 24136 transitions. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:49,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:49,694 INFO L93 Difference]: Finished difference Result 50082 states and 56912 transitions. [2021-10-21 20:07:49,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:49,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 560 [2021-10-21 20:07:49,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:49,721 INFO L225 Difference]: With dead ends: 50082 [2021-10-21 20:07:49,721 INFO L226 Difference]: Without dead ends: 27370 [2021-10-21 20:07:49,731 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:49,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27370 states. [2021-10-21 20:07:49,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27370 to 27363. [2021-10-21 20:07:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27363 states, 27362 states have (on average 1.1209341422410644) internal successors, (30671), 27362 states have internal predecessors, (30671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27363 states to 27363 states and 30671 transitions. [2021-10-21 20:07:50,021 INFO L78 Accepts]: Start accepts. Automaton has 27363 states and 30671 transitions. Word has length 560 [2021-10-21 20:07:50,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:50,021 INFO L470 AbstractCegarLoop]: Abstraction has 27363 states and 30671 transitions. [2021-10-21 20:07:50,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:50,021 INFO L276 IsEmpty]: Start isEmpty. Operand 27363 states and 30671 transitions. [2021-10-21 20:07:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2021-10-21 20:07:50,049 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:50,050 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:50,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-21 20:07:50,051 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:50,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:50,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1364765501, now seen corresponding path program 1 times [2021-10-21 20:07:50,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:50,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073395625] [2021-10-21 20:07:50,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:50,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-10-21 20:07:50,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:50,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073395625] [2021-10-21 20:07:50,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073395625] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:50,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:50,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:50,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104664800] [2021-10-21 20:07:50,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:50,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:50,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:50,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:50,338 INFO L87 Difference]: Start difference. First operand 27363 states and 30671 transitions. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:52,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:52,470 INFO L93 Difference]: Finished difference Result 61102 states and 68764 transitions. [2021-10-21 20:07:52,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:52,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 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 697 [2021-10-21 20:07:52,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:52,504 INFO L225 Difference]: With dead ends: 61102 [2021-10-21 20:07:52,504 INFO L226 Difference]: Without dead ends: 34166 [2021-10-21 20:07:52,519 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:52,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34166 states. [2021-10-21 20:07:52,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34166 to 30332. [2021-10-21 20:07:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30332 states, 30331 states have (on average 1.114800039563483) internal successors, (33813), 30331 states have internal predecessors, (33813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30332 states to 30332 states and 33813 transitions. [2021-10-21 20:07:52,853 INFO L78 Accepts]: Start accepts. Automaton has 30332 states and 33813 transitions. Word has length 697 [2021-10-21 20:07:52,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:52,854 INFO L470 AbstractCegarLoop]: Abstraction has 30332 states and 33813 transitions. [2021-10-21 20:07:52,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 30332 states and 33813 transitions. [2021-10-21 20:07:52,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2021-10-21 20:07:52,875 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:52,876 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:52,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-21 20:07:52,877 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:52,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:52,877 INFO L82 PathProgramCache]: Analyzing trace with hash -193727050, now seen corresponding path program 1 times [2021-10-21 20:07:52,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:52,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288633791] [2021-10-21 20:07:52,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:52,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-10-21 20:07:53,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:53,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288633791] [2021-10-21 20:07:53,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288633791] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:53,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:53,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:53,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781811902] [2021-10-21 20:07:53,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:53,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:53,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:53,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:53,146 INFO L87 Difference]: Start difference. First operand 30332 states and 33813 transitions. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:55,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:55,502 INFO L93 Difference]: Finished difference Result 70476 states and 79012 transitions. [2021-10-21 20:07:55,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:55,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 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 704 [2021-10-21 20:07:55,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:55,536 INFO L225 Difference]: With dead ends: 70476 [2021-10-21 20:07:55,536 INFO L226 Difference]: Without dead ends: 39284 [2021-10-21 20:07:55,546 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:55,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39284 states. [2021-10-21 20:07:55,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39284 to 38848. [2021-10-21 20:07:55,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38848 states, 38847 states have (on average 1.1117203387648982) internal successors, (43187), 38847 states have internal predecessors, (43187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38848 states to 38848 states and 43187 transitions. [2021-10-21 20:07:55,953 INFO L78 Accepts]: Start accepts. Automaton has 38848 states and 43187 transitions. Word has length 704 [2021-10-21 20:07:55,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:55,953 INFO L470 AbstractCegarLoop]: Abstraction has 38848 states and 43187 transitions. [2021-10-21 20:07:55,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 38848 states and 43187 transitions. [2021-10-21 20:07:55,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2021-10-21 20:07:55,975 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:55,976 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:55,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-21 20:07:55,977 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:55,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:55,978 INFO L82 PathProgramCache]: Analyzing trace with hash -309735421, now seen corresponding path program 1 times [2021-10-21 20:07:55,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:55,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531785718] [2021-10-21 20:07:55,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:55,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2021-10-21 20:07:56,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:56,357 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531785718] [2021-10-21 20:07:56,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531785718] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:56,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:56,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:56,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489061131] [2021-10-21 20:07:56,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:07:56,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:56,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:56,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:56,360 INFO L87 Difference]: Start difference. First operand 38848 states and 43187 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:58,737 INFO L93 Difference]: Finished difference Result 81927 states and 91195 transitions. [2021-10-21 20:07:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:58,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 805 [2021-10-21 20:07:58,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:07:58,789 INFO L225 Difference]: With dead ends: 81927 [2021-10-21 20:07:58,789 INFO L226 Difference]: Without dead ends: 42227 [2021-10-21 20:07:58,803 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:58,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42227 states. [2021-10-21 20:07:59,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42227 to 39245. [2021-10-21 20:07:59,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39245 states, 39244 states have (on average 1.0865100397512997) internal successors, (42639), 39244 states have internal predecessors, (42639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:59,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39245 states to 39245 states and 42639 transitions. [2021-10-21 20:07:59,234 INFO L78 Accepts]: Start accepts. Automaton has 39245 states and 42639 transitions. Word has length 805 [2021-10-21 20:07:59,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:07:59,235 INFO L470 AbstractCegarLoop]: Abstraction has 39245 states and 42639 transitions. [2021-10-21 20:07:59,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:59,235 INFO L276 IsEmpty]: Start isEmpty. Operand 39245 states and 42639 transitions. [2021-10-21 20:07:59,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 838 [2021-10-21 20:07:59,260 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:07:59,261 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:59,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-21 20:07:59,262 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:07:59,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:59,263 INFO L82 PathProgramCache]: Analyzing trace with hash 823147927, now seen corresponding path program 1 times [2021-10-21 20:07:59,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:59,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894255965] [2021-10-21 20:07:59,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:59,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 1144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-10-21 20:07:59,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:59,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894255965] [2021-10-21 20:07:59,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894255965] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:59,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:59,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:07:59,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237001266] [2021-10-21 20:07:59,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:07:59,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:59,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:07:59,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:07:59,703 INFO L87 Difference]: Start difference. First operand 39245 states and 42639 transitions. Second operand has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:05,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:05,719 INFO L93 Difference]: Finished difference Result 92548 states and 100579 transitions. [2021-10-21 20:08:05,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:08:05,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 0 states have call successors, (0), 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 837 [2021-10-21 20:08:05,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:05,779 INFO L225 Difference]: With dead ends: 92548 [2021-10-21 20:08:05,779 INFO L226 Difference]: Without dead ends: 53305 [2021-10-21 20:08:05,798 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 16.2ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:08:05,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53305 states. [2021-10-21 20:08:06,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53305 to 44355. [2021-10-21 20:08:06,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44355 states, 44354 states have (on average 1.081570996978852) internal successors, (47972), 44354 states have internal predecessors, (47972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44355 states to 44355 states and 47972 transitions. [2021-10-21 20:08:06,584 INFO L78 Accepts]: Start accepts. Automaton has 44355 states and 47972 transitions. Word has length 837 [2021-10-21 20:08:06,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:06,585 INFO L470 AbstractCegarLoop]: Abstraction has 44355 states and 47972 transitions. [2021-10-21 20:08:06,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 143.8) internal successors, (719), 5 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:06,586 INFO L276 IsEmpty]: Start isEmpty. Operand 44355 states and 47972 transitions. [2021-10-21 20:08:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2021-10-21 20:08:06,637 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:06,638 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:06,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-21 20:08:06,638 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:06,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:06,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1043716178, now seen corresponding path program 1 times [2021-10-21 20:08:06,639 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:06,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391100984] [2021-10-21 20:08:06,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:06,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:07,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1264 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2021-10-21 20:08:07,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:07,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391100984] [2021-10-21 20:08:07,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391100984] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:07,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:07,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:08:07,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551423803] [2021-10-21 20:08:07,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:08:07,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:07,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:08:07,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:07,115 INFO L87 Difference]: Start difference. First operand 44355 states and 47972 transitions. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 2 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:08,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:08,456 INFO L93 Difference]: Finished difference Result 84010 states and 90819 transitions. [2021-10-21 20:08:08,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:08:08,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 2 states have internal predecessors, (484), 0 states have call successors, (0), 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 848 [2021-10-21 20:08:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:08,493 INFO L225 Difference]: With dead ends: 84010 [2021-10-21 20:08:08,493 INFO L226 Difference]: Without dead ends: 40081 [2021-10-21 20:08:08,510 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:08,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40081 states. [2021-10-21 20:08:09,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40081 to 39651. [2021-10-21 20:08:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39651 states, 39650 states have (on average 1.080075662042875) internal successors, (42825), 39650 states have internal predecessors, (42825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39651 states to 39651 states and 42825 transitions. [2021-10-21 20:08:09,216 INFO L78 Accepts]: Start accepts. Automaton has 39651 states and 42825 transitions. Word has length 848 [2021-10-21 20:08:09,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:09,216 INFO L470 AbstractCegarLoop]: Abstraction has 39651 states and 42825 transitions. [2021-10-21 20:08:09,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 2 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 39651 states and 42825 transitions. [2021-10-21 20:08:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 866 [2021-10-21 20:08:09,241 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:09,242 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:09,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-21 20:08:09,242 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:09,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:09,244 INFO L82 PathProgramCache]: Analyzing trace with hash -387292292, now seen corresponding path program 1 times [2021-10-21 20:08:09,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:09,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260345860] [2021-10-21 20:08:09,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:09,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 962 proven. 0 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-10-21 20:08:09,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:09,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260345860] [2021-10-21 20:08:09,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260345860] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:09,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:09,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:08:09,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64790135] [2021-10-21 20:08:09,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:08:09,811 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:09,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:08:09,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:08:09,812 INFO L87 Difference]: Start difference. First operand 39651 states and 42825 transitions. Second operand has 4 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:13,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:13,024 INFO L93 Difference]: Finished difference Result 89942 states and 97160 transitions. [2021-10-21 20:08:13,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:08:13,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 0 states have call successors, (0), 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 865 [2021-10-21 20:08:13,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:13,078 INFO L225 Difference]: With dead ends: 89942 [2021-10-21 20:08:13,078 INFO L226 Difference]: Without dead ends: 50718 [2021-10-21 20:08:13,097 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:08:13,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50718 states. [2021-10-21 20:08:13,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50718 to 45176. [2021-10-21 20:08:13,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45176 states, 45175 states have (on average 1.072141671278362) internal successors, (48434), 45175 states have internal predecessors, (48434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:13,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45176 states to 45176 states and 48434 transitions. [2021-10-21 20:08:13,879 INFO L78 Accepts]: Start accepts. Automaton has 45176 states and 48434 transitions. Word has length 865 [2021-10-21 20:08:13,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:13,879 INFO L470 AbstractCegarLoop]: Abstraction has 45176 states and 48434 transitions. [2021-10-21 20:08:13,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 160.75) internal successors, (643), 4 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 45176 states and 48434 transitions. [2021-10-21 20:08:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2021-10-21 20:08:13,906 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:13,907 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:13,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-21 20:08:13,907 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:13,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:13,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1674090207, now seen corresponding path program 1 times [2021-10-21 20:08:13,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:13,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145203181] [2021-10-21 20:08:13,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:13,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 974 proven. 0 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2021-10-21 20:08:14,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:14,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145203181] [2021-10-21 20:08:14,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145203181] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:14,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:14,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:08:14,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032434846] [2021-10-21 20:08:14,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:08:14,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:14,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:08:14,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:08:14,491 INFO L87 Difference]: Start difference. First operand 45176 states and 48434 transitions. Second operand has 4 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:17,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:17,860 INFO L93 Difference]: Finished difference Result 95042 states and 101839 transitions. [2021-10-21 20:08:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:08:17,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 0 states have call successors, (0), 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 871 [2021-10-21 20:08:17,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:17,911 INFO L225 Difference]: With dead ends: 95042 [2021-10-21 20:08:17,912 INFO L226 Difference]: Without dead ends: 50293 [2021-10-21 20:08:17,931 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:08:18,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50293 states. [2021-10-21 20:08:18,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50293 to 45601. [2021-10-21 20:08:18,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45601 states, 45600 states have (on average 1.0719298245614035) internal successors, (48880), 45600 states have internal predecessors, (48880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:18,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45601 states to 45601 states and 48880 transitions. [2021-10-21 20:08:18,856 INFO L78 Accepts]: Start accepts. Automaton has 45601 states and 48880 transitions. Word has length 871 [2021-10-21 20:08:18,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:18,857 INFO L470 AbstractCegarLoop]: Abstraction has 45601 states and 48880 transitions. [2021-10-21 20:08:18,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:18,857 INFO L276 IsEmpty]: Start isEmpty. Operand 45601 states and 48880 transitions. [2021-10-21 20:08:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2021-10-21 20:08:18,885 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:18,885 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:18,885 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-21 20:08:18,886 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:18,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:18,886 INFO L82 PathProgramCache]: Analyzing trace with hash 624851595, now seen corresponding path program 1 times [2021-10-21 20:08:18,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:18,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455999123] [2021-10-21 20:08:18,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:18,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 911 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2021-10-21 20:08:19,476 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:19,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455999123] [2021-10-21 20:08:19,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455999123] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:19,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:19,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:08:19,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994782966] [2021-10-21 20:08:19,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:08:19,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:19,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:08:19,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:19,480 INFO L87 Difference]: Start difference. First operand 45601 states and 48880 transitions. Second operand has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:22,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:22,513 INFO L93 Difference]: Finished difference Result 97168 states and 104269 transitions. [2021-10-21 20:08:22,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:08:22,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 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 900 [2021-10-21 20:08:22,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:22,574 INFO L225 Difference]: With dead ends: 97168 [2021-10-21 20:08:22,574 INFO L226 Difference]: Without dead ends: 51994 [2021-10-21 20:08:22,703 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51994 states. [2021-10-21 20:08:23,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51994 to 50709. [2021-10-21 20:08:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50709 states, 50708 states have (on average 1.0722371223475586) internal successors, (54371), 50708 states have internal predecessors, (54371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50709 states to 50709 states and 54371 transitions. [2021-10-21 20:08:23,367 INFO L78 Accepts]: Start accepts. Automaton has 50709 states and 54371 transitions. Word has length 900 [2021-10-21 20:08:23,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:23,368 INFO L470 AbstractCegarLoop]: Abstraction has 50709 states and 54371 transitions. [2021-10-21 20:08:23,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:23,368 INFO L276 IsEmpty]: Start isEmpty. Operand 50709 states and 54371 transitions. [2021-10-21 20:08:23,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2021-10-21 20:08:23,555 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:23,556 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:23,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-21 20:08:23,557 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:23,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:23,557 INFO L82 PathProgramCache]: Analyzing trace with hash 2078281461, now seen corresponding path program 1 times [2021-10-21 20:08:23,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:23,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229813314] [2021-10-21 20:08:23,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:23,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 1125 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2021-10-21 20:08:23,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:23,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229813314] [2021-10-21 20:08:23,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229813314] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:23,954 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:23,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:08:23,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502252048] [2021-10-21 20:08:23,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:08:23,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:23,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:08:23,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:08:23,957 INFO L87 Difference]: Start difference. First operand 50709 states and 54371 transitions. Second operand has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:28,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:28,026 INFO L93 Difference]: Finished difference Result 120153 states and 128843 transitions. [2021-10-21 20:08:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:08:28,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 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 911 [2021-10-21 20:08:28,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:28,102 INFO L225 Difference]: With dead ends: 120153 [2021-10-21 20:08:28,103 INFO L226 Difference]: Without dead ends: 69871 [2021-10-21 20:08:28,133 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:08:28,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69871 states. [2021-10-21 20:08:29,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69871 to 63908. [2021-10-21 20:08:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63908 states, 63907 states have (on average 1.0732157666609292) internal successors, (68586), 63907 states have internal predecessors, (68586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:29,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63908 states to 63908 states and 68586 transitions. [2021-10-21 20:08:29,242 INFO L78 Accepts]: Start accepts. Automaton has 63908 states and 68586 transitions. Word has length 911 [2021-10-21 20:08:29,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:29,243 INFO L470 AbstractCegarLoop]: Abstraction has 63908 states and 68586 transitions. [2021-10-21 20:08:29,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 146.75) internal successors, (587), 4 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:29,243 INFO L276 IsEmpty]: Start isEmpty. Operand 63908 states and 68586 transitions. [2021-10-21 20:08:29,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 932 [2021-10-21 20:08:29,275 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:29,275 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:29,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-21 20:08:29,276 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:29,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:29,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1400468249, now seen corresponding path program 1 times [2021-10-21 20:08:29,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:29,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632309071] [2021-10-21 20:08:29,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:29,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1731 backedges. 1464 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2021-10-21 20:08:30,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:30,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632309071] [2021-10-21 20:08:30,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632309071] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:30,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:30,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:08:30,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722299730] [2021-10-21 20:08:30,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:08:30,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:30,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:08:30,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:08:30,089 INFO L87 Difference]: Start difference. First operand 63908 states and 68586 transitions. Second operand has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:36,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:36,475 INFO L93 Difference]: Finished difference Result 151676 states and 162883 transitions. [2021-10-21 20:08:36,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:08:36,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 931 [2021-10-21 20:08:36,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:36,574 INFO L225 Difference]: With dead ends: 151676 [2021-10-21 20:08:36,575 INFO L226 Difference]: Without dead ends: 86920 [2021-10-21 20:08:36,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.9ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:08:36,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86920 states. [2021-10-21 20:08:37,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86920 to 80535. [2021-10-21 20:08:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80535 states, 80534 states have (on average 1.0685424789529887) internal successors, (86054), 80534 states have internal predecessors, (86054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:38,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80535 states to 80535 states and 86054 transitions. [2021-10-21 20:08:38,052 INFO L78 Accepts]: Start accepts. Automaton has 80535 states and 86054 transitions. Word has length 931 [2021-10-21 20:08:38,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:38,053 INFO L470 AbstractCegarLoop]: Abstraction has 80535 states and 86054 transitions. [2021-10-21 20:08:38,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:38,053 INFO L276 IsEmpty]: Start isEmpty. Operand 80535 states and 86054 transitions. [2021-10-21 20:08:38,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 937 [2021-10-21 20:08:38,087 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:38,087 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:38,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-21 20:08:38,088 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:38,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:38,088 INFO L82 PathProgramCache]: Analyzing trace with hash -491392657, now seen corresponding path program 1 times [2021-10-21 20:08:38,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:38,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940565887] [2021-10-21 20:08:38,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:38,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1756 backedges. 1479 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-10-21 20:08:38,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:38,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940565887] [2021-10-21 20:08:38,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940565887] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:38,510 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:38,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:08:38,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450960928] [2021-10-21 20:08:38,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:08:38,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:38,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:08:38,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:08:38,513 INFO L87 Difference]: Start difference. First operand 80535 states and 86054 transitions. Second operand has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:43,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:43,943 INFO L93 Difference]: Finished difference Result 181095 states and 193897 transitions. [2021-10-21 20:08:43,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:08:43,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 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 936 [2021-10-21 20:08:43,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:44,069 INFO L225 Difference]: With dead ends: 181095 [2021-10-21 20:08:44,069 INFO L226 Difference]: Without dead ends: 100562 [2021-10-21 20:08:44,099 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 14.0ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:08:44,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100562 states. [2021-10-21 20:08:45,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100562 to 79260. [2021-10-21 20:08:45,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79260 states, 79259 states have (on average 1.0699226586255188) internal successors, (84801), 79259 states have internal predecessors, (84801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:45,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79260 states to 79260 states and 84801 transitions. [2021-10-21 20:08:45,443 INFO L78 Accepts]: Start accepts. Automaton has 79260 states and 84801 transitions. Word has length 936 [2021-10-21 20:08:45,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:45,444 INFO L470 AbstractCegarLoop]: Abstraction has 79260 states and 84801 transitions. [2021-10-21 20:08:45,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 79260 states and 84801 transitions. [2021-10-21 20:08:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1019 [2021-10-21 20:08:45,495 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:45,495 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:45,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-21 20:08:45,496 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:45,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:45,497 INFO L82 PathProgramCache]: Analyzing trace with hash -837461213, now seen corresponding path program 1 times [2021-10-21 20:08:45,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:45,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840448574] [2021-10-21 20:08:45,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:45,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 1232 proven. 0 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2021-10-21 20:08:45,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:45,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840448574] [2021-10-21 20:08:45,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840448574] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:45,802 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:45,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:08:45,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030656991] [2021-10-21 20:08:45,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:08:45,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:45,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:08:45,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:45,804 INFO L87 Difference]: Start difference. First operand 79260 states and 84801 transitions. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:48,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:48,606 INFO L93 Difference]: Finished difference Result 161495 states and 172724 transitions. [2021-10-21 20:08:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:08:48,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 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 1018 [2021-10-21 20:08:48,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:48,689 INFO L225 Difference]: With dead ends: 161495 [2021-10-21 20:08:48,689 INFO L226 Difference]: Without dead ends: 82237 [2021-10-21 20:08:48,723 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:08:48,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82237 states. [2021-10-21 20:08:49,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82237 to 72870. [2021-10-21 20:08:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72870 states, 72869 states have (on average 1.0651031302748768) internal successors, (77613), 72869 states have internal predecessors, (77613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72870 states to 72870 states and 77613 transitions. [2021-10-21 20:08:50,312 INFO L78 Accepts]: Start accepts. Automaton has 72870 states and 77613 transitions. Word has length 1018 [2021-10-21 20:08:50,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:50,312 INFO L470 AbstractCegarLoop]: Abstraction has 72870 states and 77613 transitions. [2021-10-21 20:08:50,313 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 72870 states and 77613 transitions. [2021-10-21 20:08:50,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1021 [2021-10-21 20:08:50,370 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:50,371 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:50,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-21 20:08:50,371 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:50,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:50,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1289139164, now seen corresponding path program 1 times [2021-10-21 20:08:50,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:50,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870157711] [2021-10-21 20:08:50,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:50,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:50,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1731 backedges. 1183 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2021-10-21 20:08:50,935 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:50,936 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870157711] [2021-10-21 20:08:50,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870157711] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:50,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:50,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:08:50,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289411282] [2021-10-21 20:08:50,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:08:50,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:50,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:08:50,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:08:50,939 INFO L87 Difference]: Start difference. First operand 72870 states and 77613 transitions. Second operand has 4 states, 4 states have (on average 176.25) internal successors, (705), 4 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:55,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:55,139 INFO L93 Difference]: Finished difference Result 151273 states and 160937 transitions. [2021-10-21 20:08:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:08:55,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 176.25) internal successors, (705), 4 states have internal predecessors, (705), 0 states have call successors, (0), 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 1020 [2021-10-21 20:08:55,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:08:55,216 INFO L225 Difference]: With dead ends: 151273 [2021-10-21 20:08:55,216 INFO L226 Difference]: Without dead ends: 78404 [2021-10-21 20:08:55,242 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:08:55,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78404 states. [2021-10-21 20:08:56,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78404 to 72445. [2021-10-21 20:08:56,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72445 states, 72444 states have (on average 1.065029540058528) internal successors, (77155), 72444 states have internal predecessors, (77155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72445 states to 72445 states and 77155 transitions. [2021-10-21 20:08:56,375 INFO L78 Accepts]: Start accepts. Automaton has 72445 states and 77155 transitions. Word has length 1020 [2021-10-21 20:08:56,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:08:56,376 INFO L470 AbstractCegarLoop]: Abstraction has 72445 states and 77155 transitions. [2021-10-21 20:08:56,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 176.25) internal successors, (705), 4 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand 72445 states and 77155 transitions. [2021-10-21 20:08:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1024 [2021-10-21 20:08:56,416 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:08:56,417 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:56,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-21 20:08:56,418 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:08:56,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:56,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1665328281, now seen corresponding path program 1 times [2021-10-21 20:08:56,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:56,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674487046] [2021-10-21 20:08:56,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:56,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 1727 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2021-10-21 20:08:57,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:57,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674487046] [2021-10-21 20:08:57,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674487046] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:57,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:57,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 20:08:57,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032570002] [2021-10-21 20:08:57,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-21 20:08:57,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:57,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:08:57,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:08:57,369 INFO L87 Difference]: Start difference. First operand 72445 states and 77155 transitions. Second operand has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:04,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:04,486 INFO L93 Difference]: Finished difference Result 164462 states and 175285 transitions. [2021-10-21 20:09:04,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:09:04,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 0 states have call successors, (0), 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 1023 [2021-10-21 20:09:04,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:09:04,488 INFO L225 Difference]: With dead ends: 164462 [2021-10-21 20:09:04,488 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:09:04,524 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 25.0ms TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-10-21 20:09:04,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:09:04,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:09:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:09:04,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1023 [2021-10-21 20:09:04,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:09:04,526 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:09:04,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:09:04,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:09:04,529 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:09:04,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-21 20:09:04,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:09:04,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:09:07,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:09:09,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:09:09,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:09:16,428 INFO L857 garLoopResultBuilder]: For program point L894(lines 894 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,428 INFO L857 garLoopResultBuilder]: For program point L1687(lines 1687 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,428 INFO L857 garLoopResultBuilder]: For program point L1555(lines 1555 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,428 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,428 INFO L857 garLoopResultBuilder]: For program point L102(line 102) no Hoare annotation was computed. [2021-10-21 20:09:16,428 INFO L857 garLoopResultBuilder]: For program point L2084(lines 2084 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L1027(lines 1027 1037) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L1027-2(lines 1027 1037) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1560) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L1556-2(lines 1556 1560) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L1424(lines 1424 1433) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L1424-2(lines 1424 1433) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L2349(lines 2349 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L2085(lines 2085 2095) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L2085-2(lines 2085 2095) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L2482(lines 2482 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L2350(lines 2350 2360) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L2350-2(lines 2350 2360) no Hoare annotation was computed. [2021-10-21 20:09:16,429 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,430 INFO L857 garLoopResultBuilder]: For program point L1822(lines 1822 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,430 INFO L857 garLoopResultBuilder]: For program point L1294(lines 1294 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,430 INFO L857 garLoopResultBuilder]: For program point L1162(lines 1162 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,430 INFO L857 garLoopResultBuilder]: For program point L2219(lines 2219 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,430 INFO L857 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-10-21 20:09:16,430 INFO L857 garLoopResultBuilder]: For program point L1955(lines 1955 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,430 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,430 INFO L857 garLoopResultBuilder]: For program point L238(lines 238 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L2220(lines 2220 2229) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L2220-2(lines 2220 2229) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L635(lines 635 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L2485(lines 2485 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L107-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L1693(lines 1693 1703) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L1693-2(lines 1693 1703) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L636-2(lines 636 643) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L1561(lines 1561 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L108(line 108) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L901(lines 901 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,431 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L110-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L1960(lines 1960 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L1828(lines 1828 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L2489(lines 2489 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L1829(lines 1829 1840) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L772(lines 772 780) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L1829-2(lines 1829 1840) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L772-2(lines 772 780) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L1169(lines 1169 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,432 INFO L857 garLoopResultBuilder]: For program point L1566(lines 1566 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,433 INFO L857 garLoopResultBuilder]: For program point L1434(lines 1434 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,433 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,433 INFO L857 garLoopResultBuilder]: For program point L113-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,433 INFO L857 garLoopResultBuilder]: For program point L1038(lines 1038 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,433 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 387) no Hoare annotation was computed. [2021-10-21 20:09:16,433 INFO L857 garLoopResultBuilder]: For program point L378-2(lines 378 387) no Hoare annotation was computed. [2021-10-21 20:09:16,433 INFO L857 garLoopResultBuilder]: For program point L114(line 114) no Hoare annotation was computed. [2021-10-21 20:09:16,433 INFO L857 garLoopResultBuilder]: For program point L2096(lines 2096 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,433 INFO L857 garLoopResultBuilder]: For program point L2361(lines 2361 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,434 INFO L857 garLoopResultBuilder]: For program point L908(lines 908 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,434 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,434 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,434 INFO L857 garLoopResultBuilder]: For program point L248(lines 248 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,434 INFO L857 garLoopResultBuilder]: For program point L2230(lines 2230 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,434 INFO L857 garLoopResultBuilder]: For program point L116-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,434 INFO L857 garLoopResultBuilder]: For program point L1966(lines 1966 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,434 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 918) no Hoare annotation was computed. [2021-10-21 20:09:16,434 INFO L857 garLoopResultBuilder]: For program point L909-2(lines 909 918) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L2496(lines 2496 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L1439(lines 1439 1449) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L1439-2(lines 1439 1449) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L119-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L1044(lines 1044 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L1573(lines 1573 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L2234(lines 2234 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L120(line 120) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L2102(lines 2102 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,435 INFO L857 garLoopResultBuilder]: For program point L781(lines 781 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L650(lines 650 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L2368(lines 2368 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L122-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L2501(lines 2501 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L123(line 123) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L2105(lines 2105 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L1973(lines 1973 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L1841(lines 1841 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L1974(lines 1974 1984) no Hoare annotation was computed. [2021-10-21 20:09:16,436 INFO L857 garLoopResultBuilder]: For program point L1974-2(lines 1974 1984) no Hoare annotation was computed. [2021-10-21 20:09:16,437 INFO L857 garLoopResultBuilder]: For program point L1710(lines 1710 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,437 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,437 INFO L857 garLoopResultBuilder]: For program point L125-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,437 INFO L857 garLoopResultBuilder]: For program point L1050(lines 1050 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,437 INFO L857 garLoopResultBuilder]: For program point L786(lines 786 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,437 INFO L857 garLoopResultBuilder]: For program point L126(line 126) no Hoare annotation was computed. [2021-10-21 20:09:16,437 INFO L857 garLoopResultBuilder]: For program point L919(lines 919 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,437 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,437 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,437 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,438 INFO L857 garLoopResultBuilder]: For program point L2241(lines 2241 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,438 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,438 INFO L857 garLoopResultBuilder]: For program point L2506(lines 2506 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,438 INFO L857 garLoopResultBuilder]: For program point L2242(lines 2242 2253) no Hoare annotation was computed. [2021-10-21 20:09:16,438 INFO L857 garLoopResultBuilder]: For program point L2242-2(lines 2242 2253) no Hoare annotation was computed. [2021-10-21 20:09:16,438 INFO L857 garLoopResultBuilder]: For program point L128-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,438 INFO L857 garLoopResultBuilder]: For program point L657(lines 657 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,439 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,439 INFO L857 garLoopResultBuilder]: For program point L2375(lines 2375 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,439 INFO L857 garLoopResultBuilder]: For program point L129(line 129) no Hoare annotation was computed. [2021-10-21 20:09:16,439 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,439 INFO L857 garLoopResultBuilder]: For program point L2111(lines 2111 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,439 INFO L857 garLoopResultBuilder]: For program point L1847(lines 1847 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,439 INFO L857 garLoopResultBuilder]: For program point L923(lines 923 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,440 INFO L857 garLoopResultBuilder]: For program point L791(lines 791 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,440 INFO L857 garLoopResultBuilder]: For program point L1584(lines 1584 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,440 INFO L857 garLoopResultBuilder]: For program point L395(lines 395 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,440 INFO L857 garLoopResultBuilder]: For program point L131-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,440 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:09:16,440 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 138) no Hoare annotation was computed. [2021-10-21 20:09:16,440 INFO L857 garLoopResultBuilder]: For program point L1717(lines 1717 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,441 INFO L857 garLoopResultBuilder]: For program point L1585(lines 1585 1591) no Hoare annotation was computed. [2021-10-21 20:09:16,441 INFO L857 garLoopResultBuilder]: For program point L1585-2(lines 1585 1591) no Hoare annotation was computed. [2021-10-21 20:09:16,441 INFO L857 garLoopResultBuilder]: For program point L1189(lines 1189 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,441 INFO L857 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-10-21 20:09:16,441 INFO L857 garLoopResultBuilder]: For program point L1718(lines 1718 1727) no Hoare annotation was computed. [2021-10-21 20:09:16,441 INFO L857 garLoopResultBuilder]: For program point L1718-2(lines 1718 1727) no Hoare annotation was computed. [2021-10-21 20:09:16,441 INFO L857 garLoopResultBuilder]: For program point L1454(lines 1454 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,442 INFO L857 garLoopResultBuilder]: For program point L2115(lines 2115 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,442 INFO L857 garLoopResultBuilder]: For program point L2512(lines 2512 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,442 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,442 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,442 INFO L857 garLoopResultBuilder]: For program point L134-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,442 INFO L857 garLoopResultBuilder]: For program point L2116(lines 2116 2122) no Hoare annotation was computed. [2021-10-21 20:09:16,442 INFO L857 garLoopResultBuilder]: For program point L2116-2(lines 2116 2122) no Hoare annotation was computed. [2021-10-21 20:09:16,443 INFO L857 garLoopResultBuilder]: For program point L1852(lines 1852 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,443 INFO L857 garLoopResultBuilder]: For program point L663(lines 663 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,443 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,443 INFO L857 garLoopResultBuilder]: For program point L2381(lines 2381 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,443 INFO L857 garLoopResultBuilder]: For program point L135(line 135) no Hoare annotation was computed. [2021-10-21 20:09:16,443 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,444 INFO L857 garLoopResultBuilder]: For program point L1985(lines 1985 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,444 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 541) no Hoare annotation was computed. [2021-10-21 20:09:16,444 INFO L857 garLoopResultBuilder]: For program point L532-2(lines 532 541) no Hoare annotation was computed. [2021-10-21 20:09:16,444 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,444 INFO L857 garLoopResultBuilder]: For program point L797(lines 797 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,444 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,444 INFO L857 garLoopResultBuilder]: For program point L137-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,445 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 939) no Hoare annotation was computed. [2021-10-21 20:09:16,445 INFO L857 garLoopResultBuilder]: For program point L930-2(lines 930 939) no Hoare annotation was computed. [2021-10-21 20:09:16,445 INFO L857 garLoopResultBuilder]: For program point L1855(lines 1855 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,445 INFO L857 garLoopResultBuilder]: For program point L402(lines 402 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,445 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,445 INFO L857 garLoopResultBuilder]: For program point L1195(lines 1195 1206) no Hoare annotation was computed. [2021-10-21 20:09:16,445 INFO L857 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2021-10-21 20:09:16,445 INFO L857 garLoopResultBuilder]: For program point L1195-2(lines 1195 1206) no Hoare annotation was computed. [2021-10-21 20:09:16,446 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,446 INFO L857 garLoopResultBuilder]: For program point L1989(lines 1989 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,446 INFO L857 garLoopResultBuilder]: For program point L1461(lines 1461 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,446 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,446 INFO L857 garLoopResultBuilder]: For program point L2254(lines 2254 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,446 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,446 INFO L857 garLoopResultBuilder]: For program point L2519(lines 2519 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,447 INFO L857 garLoopResultBuilder]: For program point L2387(lines 2387 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,447 INFO L857 garLoopResultBuilder]: For program point L2255(lines 2255 2265) no Hoare annotation was computed. [2021-10-21 20:09:16,447 INFO L857 garLoopResultBuilder]: For program point L141(line 141) no Hoare annotation was computed. [2021-10-21 20:09:16,447 INFO L857 garLoopResultBuilder]: For program point L2255-2(lines 2255 2265) no Hoare annotation was computed. [2021-10-21 20:09:16,447 INFO L857 garLoopResultBuilder]: For program point L1066(lines 1066 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,447 INFO L857 garLoopResultBuilder]: For program point L2123(lines 2123 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,447 INFO L857 garLoopResultBuilder]: For program point L670(lines 670 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,448 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,448 INFO L857 garLoopResultBuilder]: For program point L1728(lines 1728 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,448 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,448 INFO L857 garLoopResultBuilder]: For program point L143-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,448 INFO L857 garLoopResultBuilder]: For program point L1597(lines 1597 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,448 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,448 INFO L857 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2021-10-21 20:09:16,449 INFO L857 garLoopResultBuilder]: For program point L1994(lines 1994 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,449 INFO L857 garLoopResultBuilder]: For program point L1862(lines 1862 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,449 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,449 INFO L857 garLoopResultBuilder]: For program point L542(lines 542 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,449 INFO L857 garLoopResultBuilder]: For program point L2524(lines 2524 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,449 INFO L857 garLoopResultBuilder]: For program point L1467(lines 1467 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,450 INFO L857 garLoopResultBuilder]: For program point L2392(lines 2392 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,450 INFO L857 garLoopResultBuilder]: For program point L146-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,450 INFO L857 garLoopResultBuilder]: For program point L2128(lines 2128 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,450 INFO L857 garLoopResultBuilder]: For program point L1600(lines 1600 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,450 INFO L857 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2021-10-21 20:09:16,450 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,450 INFO L857 garLoopResultBuilder]: For program point L1733(lines 1733 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L545(lines 545 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L2527(lines 2527 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L1338(lines 1338 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L149-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L810(lines 810 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L1339(lines 1339 1348) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L1339-2(lines 1339 1348) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2021-10-21 20:09:16,451 INFO L857 garLoopResultBuilder]: For program point L1868(lines 1868 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L1472(lines 1472 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L2001(lines 2001 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L1869(lines 1869 1877) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L1869-2(lines 1869 1877) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 425) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L416-2(lines 416 425) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 296) no Hoare annotation was computed. [2021-10-21 20:09:16,452 INFO L857 garLoopResultBuilder]: For program point L2266(lines 2266 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L284-2(lines 284 296) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L152-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L1606(lines 1606 1617) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L1606-2(lines 1606 1617) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L2399(lines 2399 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L153(line 153) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L2135(lines 2135 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L2532(lines 2532 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L2400(lines 2400 2412) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L2400-2(lines 2400 2412) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L1079(lines 1079 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L1740(lines 1740 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L683(lines 683 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,453 INFO L857 garLoopResultBuilder]: For program point L551(lines 551 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,454 INFO L857 garLoopResultBuilder]: For program point L1212(lines 1212 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,454 INFO L857 garLoopResultBuilder]: For program point L155-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,454 INFO L857 garLoopResultBuilder]: For program point L2005(lines 2005 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,454 INFO L857 garLoopResultBuilder]: For program point L1477(lines 1477 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,454 INFO L857 garLoopResultBuilder]: For program point L156(line 156) no Hoare annotation was computed. [2021-10-21 20:09:16,454 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,454 INFO L857 garLoopResultBuilder]: For program point L817(lines 817 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,455 INFO L857 garLoopResultBuilder]: For program point L2139(lines 2139 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,455 INFO L857 garLoopResultBuilder]: For program point L158-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,455 INFO L857 garLoopResultBuilder]: For program point L2537(lines 2537 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,455 INFO L857 garLoopResultBuilder]: For program point L2273(lines 2273 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,455 INFO L857 garLoopResultBuilder]: For program point L159(line 159) no Hoare annotation was computed. [2021-10-21 20:09:16,455 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,455 INFO L857 garLoopResultBuilder]: For program point L2538(lines 2538 2548) no Hoare annotation was computed. [2021-10-21 20:09:16,455 INFO L857 garLoopResultBuilder]: For program point L2538-2(lines 2538 2548) no Hoare annotation was computed. [2021-10-21 20:09:16,456 INFO L857 garLoopResultBuilder]: For program point L1349(lines 1349 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,456 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:09:16,456 INFO L857 garLoopResultBuilder]: For program point L1878(lines 1878 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,456 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,456 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,456 INFO L857 garLoopResultBuilder]: For program point L161-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,457 INFO L857 garLoopResultBuilder]: For program point L1086(lines 1086 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,457 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 567) no Hoare annotation was computed. [2021-10-21 20:09:16,457 INFO L857 garLoopResultBuilder]: For program point L558-2(lines 558 567) no Hoare annotation was computed. [2021-10-21 20:09:16,457 INFO L857 garLoopResultBuilder]: For program point L426(lines 426 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,457 INFO L857 garLoopResultBuilder]: For program point L1219(lines 1219 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,457 INFO L857 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2021-10-21 20:09:16,457 INFO L857 garLoopResultBuilder]: For program point L2012(lines 2012 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,458 INFO L857 garLoopResultBuilder]: For program point L1484(lines 1484 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,458 INFO L857 garLoopResultBuilder]: For program point L2145(lines 2145 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,458 INFO L857 garLoopResultBuilder]: For program point L956(lines 956 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,458 INFO L857 garLoopResultBuilder]: For program point L824(lines 824 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,458 INFO L857 garLoopResultBuilder]: For program point L2278(lines 2278 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,458 INFO L857 garLoopResultBuilder]: For program point L164-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,458 INFO L857 garLoopResultBuilder]: For program point L1618(lines 1618 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,459 INFO L857 garLoopResultBuilder]: For program point L297(lines 297 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,459 INFO L857 garLoopResultBuilder]: For program point L165(line 165) no Hoare annotation was computed. [2021-10-21 20:09:16,459 INFO L857 garLoopResultBuilder]: For program point L1751(lines 1751 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,459 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,459 INFO L857 garLoopResultBuilder]: For program point L1356(lines 1356 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,459 INFO L857 garLoopResultBuilder]: For program point L2413(lines 2413 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,459 INFO L857 garLoopResultBuilder]: For program point L167-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,460 INFO L857 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2021-10-21 20:09:16,460 INFO L857 garLoopResultBuilder]: For program point L35-2(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,460 INFO L857 garLoopResultBuilder]: For program point L2017(lines 2017 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,460 INFO L857 garLoopResultBuilder]: For program point L1885(lines 1885 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,460 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,460 INFO L857 garLoopResultBuilder]: For program point L2414(lines 2414 2425) no Hoare annotation was computed. [2021-10-21 20:09:16,460 INFO L857 garLoopResultBuilder]: For program point L2414-2(lines 2414 2425) no Hoare annotation was computed. [2021-10-21 20:09:16,461 INFO L857 garLoopResultBuilder]: For program point L168(line 168) no Hoare annotation was computed. [2021-10-21 20:09:16,461 INFO L857 garLoopResultBuilder]: For program point L2150(lines 2150 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,461 INFO L857 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2021-10-21 20:09:16,461 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 707) no Hoare annotation was computed. [2021-10-21 20:09:16,461 INFO L857 garLoopResultBuilder]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2021-10-21 20:09:16,461 INFO L857 garLoopResultBuilder]: For program point L433(lines 433 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,461 INFO L857 garLoopResultBuilder]: For program point L1226(lines 1226 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,462 INFO L857 garLoopResultBuilder]: For program point L962(lines 962 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,462 INFO L857 garLoopResultBuilder]: For program point L830(lines 830 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,462 INFO L857 garLoopResultBuilder]: For program point L1755(lines 1755 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,462 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,462 INFO L857 garLoopResultBuilder]: For program point L1491(lines 1491 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,462 INFO L857 garLoopResultBuilder]: For program point L170-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,462 INFO L857 garLoopResultBuilder]: For program point L38-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,463 INFO L857 garLoopResultBuilder]: For program point L2020(lines 2020 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,463 INFO L857 garLoopResultBuilder]: For program point L2549(lines 2549 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,463 INFO L857 garLoopResultBuilder]: For program point L2285(lines 2285 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,463 INFO L857 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2021-10-21 20:09:16,463 INFO L857 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2021-10-21 20:09:16,463 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,463 INFO L857 garLoopResultBuilder]: For program point L304(lines 304 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,463 INFO L857 garLoopResultBuilder]: For program point L1362(lines 1362 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L173-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L1098(lines 1098 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L2155(lines 2155 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L41-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L1891(lines 1891 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L1231(lines 1231 1240) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2021-10-21 20:09:16,464 INFO L857 garLoopResultBuilder]: For program point L1231-2(lines 1231 1240) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L836(lines 836 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L2554(lines 2554 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L1497(lines 1497 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L176-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L44-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L2026(lines 2026 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L1630(lines 1630 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L2291(lines 2291 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,465 INFO L857 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L575(lines 575 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L1500(lines 1500 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L179-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L1104(lines 1104 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L47-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L708(lines 708 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L2426(lines 2426 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L180(line 180) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L2162(lines 2162 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2021-10-21 20:09:16,466 INFO L857 garLoopResultBuilder]: For program point L2030(lines 2030 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,467 INFO L857 garLoopResultBuilder]: For program point L1898(lines 1898 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,467 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,467 INFO L857 garLoopResultBuilder]: For program point L1766(lines 1766 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,467 INFO L857 garLoopResultBuilder]: For program point L2031(lines 2031 2040) no Hoare annotation was computed. [2021-10-21 20:09:16,467 INFO L857 garLoopResultBuilder]: For program point L2031-2(lines 2031 2040) no Hoare annotation was computed. [2021-10-21 20:09:16,467 INFO L857 garLoopResultBuilder]: For program point L182-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,467 INFO L857 garLoopResultBuilder]: For program point L50-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,468 INFO L857 garLoopResultBuilder]: For program point L1636(lines 1636 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,468 INFO L857 garLoopResultBuilder]: For program point L2561(lines 2561 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,468 INFO L857 garLoopResultBuilder]: For program point L2297(lines 2297 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,468 INFO L857 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-10-21 20:09:16,468 INFO L857 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2021-10-21 20:09:16,468 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,468 INFO L857 garLoopResultBuilder]: For program point L580(lines 580 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,468 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,469 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,469 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,469 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,469 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,469 INFO L857 garLoopResultBuilder]: For program point L185-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,469 INFO L857 garLoopResultBuilder]: For program point L1110(lines 1110 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,469 INFO L857 garLoopResultBuilder]: For program point L2167(lines 2167 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,470 INFO L857 garLoopResultBuilder]: For program point L53-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,470 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,470 INFO L857 garLoopResultBuilder]: For program point L2432(lines 2432 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,470 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1386) no Hoare annotation was computed. [2021-10-21 20:09:16,470 INFO L857 garLoopResultBuilder]: For program point L1375-2(lines 1375 1386) no Hoare annotation was computed. [2021-10-21 20:09:16,470 INFO L857 garLoopResultBuilder]: For program point L186(line 186) no Hoare annotation was computed. [2021-10-21 20:09:16,471 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-21 20:09:16,471 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,471 INFO L857 garLoopResultBuilder]: For program point L1905(lines 1905 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,471 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2021-10-21 20:09:16,471 INFO L857 garLoopResultBuilder]: For program point L848-2(lines 848 856) no Hoare annotation was computed. [2021-10-21 20:09:16,471 INFO L857 garLoopResultBuilder]: For program point L1773(lines 1773 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,471 INFO L857 garLoopResultBuilder]: For program point L188-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L56-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L1642(lines 1642 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L2567(lines 2567 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L2303(lines 2303 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L189(line 189) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L982(lines 982 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L586(lines 586 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L719(lines 719 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L191-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,472 INFO L857 garLoopResultBuilder]: For program point L1116(lines 1116 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L2173(lines 2173 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L59-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L2041(lines 2041 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L720(lines 720 728) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L720-2(lines 720 728) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L456(lines 456 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L985(lines 985 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L1910(lines 1910 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L1646(lines 1646 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L1514(lines 1514 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L2439(lines 2439 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,473 INFO L857 garLoopResultBuilder]: For program point L2307(lines 2307 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,474 INFO L857 garLoopResultBuilder]: For program point L2440(lines 2440 2449) no Hoare annotation was computed. [2021-10-21 20:09:16,474 INFO L857 garLoopResultBuilder]: For program point L2440-2(lines 2440 2449) no Hoare annotation was computed. [2021-10-21 20:09:16,474 INFO L857 garLoopResultBuilder]: For program point L194-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,474 INFO L857 garLoopResultBuilder]: For program point L62-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,474 INFO L857 garLoopResultBuilder]: For program point L1780(lines 1780 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,474 INFO L857 garLoopResultBuilder]: For program point L2573(lines 2573 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,474 INFO L857 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2021-10-21 20:09:16,474 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-21 20:09:16,474 INFO L857 garLoopResultBuilder]: For program point L592(lines 592 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,474 INFO L857 garLoopResultBuilder]: For program point L2178(lines 2178 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L857(lines 857 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L461(lines 461 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L329(lines 329 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L1254(lines 1254 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L197-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L65-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L858(lines 858 868) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L858-2(lines 858 868) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L1387(lines 1387 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L2312(lines 2312 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L198(line 198) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L1123(lines 1123 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L2048(lines 2048 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,475 INFO L857 garLoopResultBuilder]: For program point L991(lines 991 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L1916(lines 1916 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L1917(lines 1917 1925) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L1917-2(lines 1917 1925) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L853 garLoopResultBuilder]: At program point L1653(lines 34 1654) the Hoare annotation is: (let ((.cse8 (+ ~a14~0 84)) (.cse3 (= ~a24~0 1))) (let ((.cse4 (<= ~a28~0 300)) (.cse0 (<= ~a21~0 124)) (.cse2 (<= ~a26~0 215)) (.cse6 (<= 0 (+ ~a14~0 600000))) (.cse1 (or (and .cse3 (< 0 .cse8)) (and .cse3 (< 217 ~a26~0)))) (.cse7 (<= .cse8 0)) (.cse5 (<= (+ ~a14~0 114) 0))) (or (and .cse0 (= ~a24~0 2)) (and .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse0 .cse1 (<= ~a26~0 460652)) (and .cse0 .cse5 (<= ~a28~0 133) .cse6) (and .cse0 (<= ~a26~0 124)) (and .cse3 .cse7 .cse4) (and .cse3 (<= (+ ~a28~0 588903) 0)) (and .cse0 (< (+ ~a14~0 181) 0) .cse6) (and .cse3 (<= ~a26~0 43)) (and .cse0 .cse5 .cse2 .cse6) (and .cse1 .cse7) (and .cse3 .cse5)))) [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L200-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L2182(lines 2182 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L68-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L729(lines 729 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,476 INFO L857 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L69(line 69) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L1787(lines 1787 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L853 garLoopResultBuilder]: At program point L2581(lines 1656 2582) the Hoare annotation is: (let ((.cse8 (+ ~a14~0 84)) (.cse3 (= ~a24~0 1))) (let ((.cse4 (<= ~a28~0 300)) (.cse0 (<= ~a21~0 124)) (.cse2 (<= ~a26~0 215)) (.cse6 (<= 0 (+ ~a14~0 600000))) (.cse1 (or (and .cse3 (< 0 .cse8)) (and .cse3 (< 217 ~a26~0)))) (.cse7 (<= .cse8 0)) (.cse5 (<= (+ ~a14~0 114) 0))) (or (and .cse0 (= ~a24~0 2)) (and .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse0 .cse1 (<= ~a26~0 460652)) (and .cse0 .cse5 (<= ~a28~0 133) .cse6) (and .cse0 (<= ~a26~0 124)) (and .cse3 .cse7 .cse4) (and .cse3 (<= (+ ~a28~0 588903) 0)) (and .cse0 (< (+ ~a14~0 181) 0) .cse6) (and .cse3 (<= ~a26~0 43)) (and .cse0 .cse5 .cse2 .cse6) (and .cse1 .cse7) (and .cse3 .cse5)))) [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L2317(lines 2317 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L203-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L71-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L2053(lines 2053 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L468(lines 468 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L2450(lines 2450 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L1393(lines 1393 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L204(line 204) no Hoare annotation was computed. [2021-10-21 20:09:16,477 INFO L857 garLoopResultBuilder]: For program point L1129(lines 1129 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L998(lines 998 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L1659(lines 1659 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L860 garLoopResultBuilder]: At program point L2584(lines 2584 2600) the Hoare annotation is: true [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L206-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L2188(lines 2188 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L74-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L75(line 75) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 746) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L736-2(lines 736 746) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L340(lines 340 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,478 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,479 INFO L857 garLoopResultBuilder]: For program point L1926(lines 1926 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,479 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,479 INFO L857 garLoopResultBuilder]: For program point L1794(lines 1794 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,479 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,479 INFO L857 garLoopResultBuilder]: For program point L2323(lines 2323 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,479 INFO L857 garLoopResultBuilder]: For program point L209-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,479 INFO L857 garLoopResultBuilder]: For program point L77-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,480 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,480 INFO L857 garLoopResultBuilder]: For program point L2456(lines 2456 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,480 INFO L857 garLoopResultBuilder]: For program point L1399(lines 1399 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,480 INFO L857 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2021-10-21 20:09:16,480 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,480 INFO L857 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-10-21 20:09:16,480 INFO L857 garLoopResultBuilder]: For program point L2060(lines 2060 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,481 INFO L857 garLoopResultBuilder]: For program point L1664(lines 1664 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,481 INFO L853 garLoopResultBuilder]: At program point L2590-2(lines 2590 2599) the Hoare annotation is: (let ((.cse8 (+ ~a14~0 84)) (.cse3 (= ~a24~0 1))) (let ((.cse4 (<= ~a28~0 300)) (.cse0 (<= ~a21~0 124)) (.cse2 (<= ~a26~0 215)) (.cse6 (<= 0 (+ ~a14~0 600000))) (.cse1 (or (and .cse3 (< 0 .cse8)) (and .cse3 (< 217 ~a26~0)))) (.cse7 (<= .cse8 0)) (.cse5 (<= (+ ~a14~0 114) 0))) (or (and .cse0 (= ~a24~0 2)) (and .cse1 .cse2) (and .cse0 .cse3 .cse4) (and .cse0 .cse1 (<= ~a26~0 460652)) (and .cse0 .cse5 (<= ~a28~0 133) .cse6) (and .cse0 (<= ~a26~0 124)) (and .cse3 .cse7 .cse4) (and .cse3 (<= (+ ~a28~0 588903) 0)) (and .cse0 (< (+ ~a14~0 181) 0) .cse6) (and .cse3 (<= ~a26~0 43)) (and .cse0 .cse5 .cse2 .cse6) (and .cse1 .cse7) (and .cse3 .cse5)))) [2021-10-21 20:09:16,481 INFO L857 garLoopResultBuilder]: For program point L212-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,481 INFO L857 garLoopResultBuilder]: For program point L80-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,481 INFO L857 garLoopResultBuilder]: For program point L1005(lines 1005 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,482 INFO L857 garLoopResultBuilder]: For program point L609(lines 609 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,482 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,482 INFO L857 garLoopResultBuilder]: For program point L2327(lines 2327 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,482 INFO L857 garLoopResultBuilder]: For program point L213(line 213) no Hoare annotation was computed. [2021-10-21 20:09:16,482 INFO L857 garLoopResultBuilder]: For program point L2195(lines 2195 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,482 INFO L857 garLoopResultBuilder]: For program point L81(line 81) no Hoare annotation was computed. [2021-10-21 20:09:16,482 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 615) no Hoare annotation was computed. [2021-10-21 20:09:16,483 INFO L857 garLoopResultBuilder]: For program point L610-2(lines 610 615) no Hoare annotation was computed. [2021-10-21 20:09:16,483 INFO L857 garLoopResultBuilder]: For program point L1535(lines 1535 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,483 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,483 INFO L857 garLoopResultBuilder]: For program point L2328(lines 2328 2339) no Hoare annotation was computed. [2021-10-21 20:09:16,483 INFO L857 garLoopResultBuilder]: For program point L2328-2(lines 2328 2339) no Hoare annotation was computed. [2021-10-21 20:09:16,483 INFO L857 garLoopResultBuilder]: For program point L2196(lines 2196 2206) no Hoare annotation was computed. [2021-10-21 20:09:16,483 INFO L857 garLoopResultBuilder]: For program point L2196-2(lines 2196 2206) no Hoare annotation was computed. [2021-10-21 20:09:16,484 INFO L857 garLoopResultBuilder]: For program point L1932(lines 1932 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,484 INFO L857 garLoopResultBuilder]: For program point L875(lines 875 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,484 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,484 INFO L857 garLoopResultBuilder]: For program point L215-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,484 INFO L857 garLoopResultBuilder]: For program point L1140(lines 1140 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,484 INFO L857 garLoopResultBuilder]: For program point L83-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,484 INFO L857 garLoopResultBuilder]: For program point L1801(lines 1801 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,485 INFO L857 garLoopResultBuilder]: For program point L1669(lines 1669 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,485 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,485 INFO L857 garLoopResultBuilder]: For program point L216(line 216) no Hoare annotation was computed. [2021-10-21 20:09:16,485 INFO L857 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-10-21 20:09:16,485 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,485 INFO L857 garLoopResultBuilder]: For program point L1802(lines 1802 1810) no Hoare annotation was computed. [2021-10-21 20:09:16,485 INFO L857 garLoopResultBuilder]: For program point L1802-2(lines 1802 1810) no Hoare annotation was computed. [2021-10-21 20:09:16,486 INFO L857 garLoopResultBuilder]: For program point L2595(line 2595) no Hoare annotation was computed. [2021-10-21 20:09:16,486 INFO L857 garLoopResultBuilder]: For program point L1406(lines 1406 1415) no Hoare annotation was computed. [2021-10-21 20:09:16,486 INFO L857 garLoopResultBuilder]: For program point L2463(lines 2463 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,486 INFO L857 garLoopResultBuilder]: For program point L1406-2(lines 1406 1415) no Hoare annotation was computed. [2021-10-21 20:09:16,486 INFO L857 garLoopResultBuilder]: For program point L2067(lines 2067 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,486 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:09:16,486 INFO L857 garLoopResultBuilder]: For program point L86-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,487 INFO L857 garLoopResultBuilder]: For program point L747(lines 747 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,487 INFO L857 garLoopResultBuilder]: For program point L87(line 87) no Hoare annotation was computed. [2021-10-21 20:09:16,487 INFO L857 garLoopResultBuilder]: For program point L1937(lines 1937 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,487 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,487 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,487 INFO L857 garLoopResultBuilder]: For program point L1541(lines 1541 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,487 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,488 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,488 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,488 INFO L857 garLoopResultBuilder]: For program point L881(lines 881 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,488 INFO L857 garLoopResultBuilder]: For program point L617(lines 617 627) no Hoare annotation was computed. [2021-10-21 20:09:16,488 INFO L857 garLoopResultBuilder]: For program point L617-2(lines 617 627) no Hoare annotation was computed. [2021-10-21 20:09:16,488 INFO L857 garLoopResultBuilder]: For program point L485(lines 485 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,488 INFO L857 garLoopResultBuilder]: For program point L89-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,489 INFO L857 garLoopResultBuilder]: For program point L90(line 90) no Hoare annotation was computed. [2021-10-21 20:09:16,489 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,489 INFO L857 garLoopResultBuilder]: For program point L2073(lines 2073 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,489 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,489 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,489 INFO L857 garLoopResultBuilder]: For program point L2470(lines 2470 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,489 INFO L857 garLoopResultBuilder]: For program point L92-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,490 INFO L857 garLoopResultBuilder]: For program point L1942(lines 1942 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,490 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,490 INFO L857 garLoopResultBuilder]: For program point L357(lines 357 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,490 INFO L857 garLoopResultBuilder]: For program point L1282(lines 1282 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,490 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,490 INFO L857 garLoopResultBuilder]: For program point L2207(lines 2207 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,490 INFO L857 garLoopResultBuilder]: For program point L93(line 93) no Hoare annotation was computed. [2021-10-21 20:09:16,491 INFO L857 garLoopResultBuilder]: For program point L1943(lines 1943 1954) no Hoare annotation was computed. [2021-10-21 20:09:16,491 INFO L857 garLoopResultBuilder]: For program point L1943-2(lines 1943 1954) no Hoare annotation was computed. [2021-10-21 20:09:16,491 INFO L857 garLoopResultBuilder]: For program point L1811(lines 1811 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,491 INFO L857 garLoopResultBuilder]: For program point L2340(lines 2340 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,491 INFO L857 garLoopResultBuilder]: For program point L1680(lines 1680 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,491 INFO L857 garLoopResultBuilder]: For program point L1548(lines 1548 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,491 INFO L857 garLoopResultBuilder]: For program point L1416(lines 1416 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,492 INFO L857 garLoopResultBuilder]: For program point L1152(lines 1152 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,492 INFO L857 garLoopResultBuilder]: For program point L95-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,492 INFO L857 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2021-10-21 20:09:16,492 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,492 INFO L857 garLoopResultBuilder]: For program point L2079(lines 2079 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,492 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,492 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,493 INFO L857 garLoopResultBuilder]: For program point L2344(lines 2344 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,493 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,493 INFO L857 garLoopResultBuilder]: For program point L98-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,493 INFO L857 garLoopResultBuilder]: For program point L759(lines 759 770) no Hoare annotation was computed. [2021-10-21 20:09:16,493 INFO L857 garLoopResultBuilder]: For program point L759-2(lines 759 770) no Hoare annotation was computed. [2021-10-21 20:09:16,493 INFO L857 garLoopResultBuilder]: For program point L2477(lines 2477 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,493 INFO L857 garLoopResultBuilder]: For program point L363(lines 363 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,494 INFO L857 garLoopResultBuilder]: For program point L2213(lines 2213 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,494 INFO L857 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2021-10-21 20:09:16,494 INFO L857 garLoopResultBuilder]: For program point L1817(lines 1817 2580) no Hoare annotation was computed. [2021-10-21 20:09:16,494 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,494 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,494 INFO L857 garLoopResultBuilder]: For program point L1289(lines 1289 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,494 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,494 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 34 1654) no Hoare annotation was computed. [2021-10-21 20:09:16,495 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1652) no Hoare annotation was computed. [2021-10-21 20:09:16,499 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:09:16,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:09:16 BoogieIcfgContainer [2021-10-21 20:09:16,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:09:16,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:09:16,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:09:16,522 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:09:16,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:06:43" (3/4) ... [2021-10-21 20:09:16,526 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:09:16,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-21 20:09:16,575 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 20:09:16,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:09:16,585 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:09:16,921 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:09:16,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:09:16,923 INFO L168 Benchmark]: Toolchain (without parser) took 160083.99 ms. Allocated memory was 125.8 MB in the beginning and 11.0 GB in the end (delta: 10.9 GB). Free memory was 76.7 MB in the beginning and 8.4 GB in the end (delta: -8.3 GB). Peak memory consumption was 2.6 GB. Max. memory is 16.1 GB. [2021-10-21 20:09:16,924 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 125.8 MB. Free memory is still 101.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:09:16,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1633.31 ms. Allocated memory was 125.8 MB in the beginning and 188.7 MB in the end (delta: 62.9 MB). Free memory was 76.5 MB in the beginning and 88.2 MB in the end (delta: -11.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:16,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 325.15 ms. Allocated memory is still 188.7 MB. Free memory was 88.2 MB in the beginning and 86.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:16,925 INFO L168 Benchmark]: Boogie Preprocessor took 430.62 ms. Allocated memory was 188.7 MB in the beginning and 354.4 MB in the end (delta: 165.7 MB). Free memory was 86.9 MB in the beginning and 259.3 MB in the end (delta: -172.4 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:16,926 INFO L168 Benchmark]: RCFGBuilder took 4423.85 ms. Allocated memory is still 354.4 MB. Free memory was 259.3 MB in the beginning and 204.5 MB in the end (delta: 54.8 MB). Peak memory consumption was 114.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:16,926 INFO L168 Benchmark]: TraceAbstraction took 152862.64 ms. Allocated memory was 354.4 MB in the beginning and 11.0 GB in the end (delta: 10.6 GB). Free memory was 204.5 MB in the beginning and 8.5 GB in the end (delta: -8.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.1 GB. [2021-10-21 20:09:16,927 INFO L168 Benchmark]: Witness Printer took 399.87 ms. Allocated memory is still 11.0 GB. Free memory was 8.5 GB in the beginning and 8.4 GB in the end (delta: 66.8 MB). Peak memory consumption was 65.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:09:16,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 125.8 MB. Free memory is still 101.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1633.31 ms. Allocated memory was 125.8 MB in the beginning and 188.7 MB in the end (delta: 62.9 MB). Free memory was 76.5 MB in the beginning and 88.2 MB in the end (delta: -11.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 325.15 ms. Allocated memory is still 188.7 MB. Free memory was 88.2 MB in the beginning and 86.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 430.62 ms. Allocated memory was 188.7 MB in the beginning and 354.4 MB in the end (delta: 165.7 MB). Free memory was 86.9 MB in the beginning and 259.3 MB in the end (delta: -172.4 MB). Peak memory consumption was 49.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4423.85 ms. Allocated memory is still 354.4 MB. Free memory was 259.3 MB in the beginning and 204.5 MB in the end (delta: 54.8 MB). Peak memory consumption was 114.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 152862.64 ms. Allocated memory was 354.4 MB in the beginning and 11.0 GB in the end (delta: 10.6 GB). Free memory was 204.5 MB in the beginning and 8.5 GB in the end (delta: -8.3 GB). Peak memory consumption was 2.5 GB. Max. memory is 16.1 GB. * Witness Printer took 399.87 ms. Allocated memory is still 11.0 GB. Free memory was 8.5 GB in the beginning and 8.4 GB in the end (delta: 66.8 MB). Peak memory consumption was 65.0 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: 138]: 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, 590 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 152778.2ms, OverallIterations: 32, TraceHistogramMax: 7, EmptinessCheckTime: 774.4ms, AutomataDifference: 109732.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 11898.0ms, InitialAbstractionConstructionTime: 22.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 13671 SDtfs, 21749 SDslu, 2924 SDs, 0 SdLazy, 65798 SolverSat, 9401 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 82662.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1050 GetRequests, 982 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 255.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=80535occurred in iteration=28, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 15069.0ms AutomataMinimizationTime, 32 MinimizatonAttempts, 110155 StatesRemovedByMinimization, 30 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 747 NumberOfFragments, 535 HoareAnnotationTreeSize, 4 FomulaSimplifications, 733733 FormulaSimplificationTreeSizeReduction, 6393.4ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 139552 FormulaSimplificationTreeSizeReductionInter, 5484.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 1203.5ms SsaConstructionTime, 2732.4ms SatisfiabilityAnalysisTime, 9511.2ms InterpolantComputationTime, 18167 NumberOfCodeBlocks, 18167 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 18132 ConstructedInterpolants, 0 QuantifiedInterpolants, 35223 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1361 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 35 InterpolantComputations, 31 PerfectInterpolantSequences, 25450/25694 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: 34]: Loop Invariant Derived loop invariant: ((((((((((((a21 <= 124 && a24 == 2) || (((a24 == 1 && 0 < a14 + 84) || (a24 == 1 && 217 < a26)) && a26 <= 215)) || ((a21 <= 124 && a24 == 1) && a28 <= 300)) || ((a21 <= 124 && ((a24 == 1 && 0 < a14 + 84) || (a24 == 1 && 217 < a26))) && a26 <= 460652)) || (((a21 <= 124 && a14 + 114 <= 0) && a28 <= 133) && 0 <= a14 + 600000)) || (a21 <= 124 && a26 <= 124)) || ((a24 == 1 && a14 + 84 <= 0) && a28 <= 300)) || (a24 == 1 && a28 + 588903 <= 0)) || ((a21 <= 124 && a14 + 181 < 0) && 0 <= a14 + 600000)) || (a24 == 1 && a26 <= 43)) || (((a21 <= 124 && a14 + 114 <= 0) && a26 <= 215) && 0 <= a14 + 600000)) || (((a24 == 1 && 0 < a14 + 84) || (a24 == 1 && 217 < a26)) && a14 + 84 <= 0)) || (a24 == 1 && a14 + 114 <= 0) - InvariantResult [Line: 1656]: Loop Invariant Derived loop invariant: ((((((((((((a21 <= 124 && a24 == 2) || (((a24 == 1 && 0 < a14 + 84) || (a24 == 1 && 217 < a26)) && a26 <= 215)) || ((a21 <= 124 && a24 == 1) && a28 <= 300)) || ((a21 <= 124 && ((a24 == 1 && 0 < a14 + 84) || (a24 == 1 && 217 < a26))) && a26 <= 460652)) || (((a21 <= 124 && a14 + 114 <= 0) && a28 <= 133) && 0 <= a14 + 600000)) || (a21 <= 124 && a26 <= 124)) || ((a24 == 1 && a14 + 84 <= 0) && a28 <= 300)) || (a24 == 1 && a28 + 588903 <= 0)) || ((a21 <= 124 && a14 + 181 < 0) && 0 <= a14 + 600000)) || (a24 == 1 && a26 <= 43)) || (((a21 <= 124 && a14 + 114 <= 0) && a26 <= 215) && 0 <= a14 + 600000)) || (((a24 == 1 && 0 < a14 + 84) || (a24 == 1 && 217 < a26)) && a14 + 84 <= 0)) || (a24 == 1 && a14 + 114 <= 0) - InvariantResult [Line: 2584]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2590]: Loop Invariant Derived loop invariant: ((((((((((((a21 <= 124 && a24 == 2) || (((a24 == 1 && 0 < a14 + 84) || (a24 == 1 && 217 < a26)) && a26 <= 215)) || ((a21 <= 124 && a24 == 1) && a28 <= 300)) || ((a21 <= 124 && ((a24 == 1 && 0 < a14 + 84) || (a24 == 1 && 217 < a26))) && a26 <= 460652)) || (((a21 <= 124 && a14 + 114 <= 0) && a28 <= 133) && 0 <= a14 + 600000)) || (a21 <= 124 && a26 <= 124)) || ((a24 == 1 && a14 + 84 <= 0) && a28 <= 300)) || (a24 == 1 && a28 + 588903 <= 0)) || ((a21 <= 124 && a14 + 181 < 0) && 0 <= a14 + 600000)) || (a24 == 1 && a26 <= 43)) || (((a21 <= 124 && a14 + 114 <= 0) && a26 <= 215) && 0 <= a14 + 600000)) || (((a24 == 1 && 0 < a14 + 84) || (a24 == 1 && 217 < a26)) && a14 + 84 <= 0)) || (a24 == 1 && a14 + 114 <= 0) RESULT: Ultimate proved your program to be correct! [2021-10-21 20:09:16,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bafad26-1f13-4591-accb-1d0a7bf8fb5f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...