./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.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_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/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_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/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_351069e9-0c38-4083-8881-73f74bb0762c/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 c9eb90925d47f37111e721f09771224a790dabc9ce225b22a0b9e014b4a14c96 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:58:03,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:58:03,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:58:03,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:58:03,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:58:03,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:58:03,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:58:03,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:58:03,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:58:03,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:58:03,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:58:03,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:58:03,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:58:03,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:58:03,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:58:03,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:58:03,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:58:03,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:58:03,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:58:03,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:58:03,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:58:03,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:58:03,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:58:03,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:58:03,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:58:03,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:58:03,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:58:03,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:58:03,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:58:03,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:58:03,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:58:03,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:58:03,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:58:03,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:58:03,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:58:03,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:58:03,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:58:03,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:58:03,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:58:03,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:58:03,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:58:03,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:58:03,710 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:58:03,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:58:03,711 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:58:03,711 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:58:03,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:58:03,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:58:03,719 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:58:03,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:58:03,720 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:58:03,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:58:03,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:58:03,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:58:03,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:58:03,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:58:03,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:58:03,722 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:58:03,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:58:03,723 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:58:03,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:58:03,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:58:03,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:58:03,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:58:03,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:58:03,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:58:03,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:58:03,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:58:03,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:58:03,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:58:03,726 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:58:03,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:58:03,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:58:03,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:58:03,728 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_351069e9-0c38-4083-8881-73f74bb0762c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9eb90925d47f37111e721f09771224a790dabc9ce225b22a0b9e014b4a14c96 [2021-10-21 19:58:03,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:58:04,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:58:04,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:58:04,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:58:04,020 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:58:04,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2021-10-21 19:58:04,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/data/ce7ec1b19/56b1d2d8e51545a4a95f40e352e69c1a/FLAGfa3497d69 [2021-10-21 19:58:04,804 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:58:04,805 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2021-10-21 19:58:04,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/data/ce7ec1b19/56b1d2d8e51545a4a95f40e352e69c1a/FLAGfa3497d69 [2021-10-21 19:58:05,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/data/ce7ec1b19/56b1d2d8e51545a4a95f40e352e69c1a [2021-10-21 19:58:05,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:58:05,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:58:05,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:58:05,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:58:05,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:58:05,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0741b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05, skipping insertion in model container [2021-10-21 19:58:05,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:58:05,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:58:05,289 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_351069e9-0c38-4083-8881-73f74bb0762c/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2021-10-21 19:58:05,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:58:05,484 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:58:05,507 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_351069e9-0c38-4083-8881-73f74bb0762c/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2021-10-21 19:58:05,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:58:05,646 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:58:05,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05 WrapperNode [2021-10-21 19:58:05,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:58:05,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:58:05,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:58:05,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:58:05,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:58:05,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:58:05,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:58:05,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:58:05,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:58:05,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:58:05,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:58:05,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:58:05,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (1/1) ... [2021-10-21 19:58:05,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:58:05,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:05,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:58:05,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:58:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:58:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:58:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:58:05,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:58:07,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:58:07,243 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:58:07,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:58:07 BoogieIcfgContainer [2021-10-21 19:58:07,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:58:07,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:58:07,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:58:07,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:58:07,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:58:05" (1/3) ... [2021-10-21 19:58:07,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751035ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:58:07, skipping insertion in model container [2021-10-21 19:58:07,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:58:05" (2/3) ... [2021-10-21 19:58:07,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@751035ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:58:07, skipping insertion in model container [2021-10-21 19:58:07,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:58:07" (3/3) ... [2021-10-21 19:58:07,255 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label49.c [2021-10-21 19:58:07,260 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:58:07,260 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-21 19:58:07,309 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:58:07,315 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:58:07,316 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-21 19:58:07,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-21 19:58:07,343 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:07,344 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] [2021-10-21 19:58:07,344 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:07,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:07,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1644072970, now seen corresponding path program 1 times [2021-10-21 19:58:07,359 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:07,360 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856694287] [2021-10-21 19:58:07,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:07,361 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:58:07,562 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:07,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856694287] [2021-10-21 19:58:07,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856694287] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:07,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:07,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:58:07,565 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882017139] [2021-10-21 19:58:07,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:07,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:07,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:07,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:07,587 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 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 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:08,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:08,554 INFO L93 Difference]: Finished difference Result 567 states and 981 transitions. [2021-10-21 19:58:08,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:08,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-10-21 19:58:08,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:08,574 INFO L225 Difference]: With dead ends: 567 [2021-10-21 19:58:08,574 INFO L226 Difference]: Without dead ends: 282 [2021-10-21 19:58:08,578 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:08,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-21 19:58:08,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-10-21 19:58:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.4661921708185053) internal successors, (412), 281 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:08,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 412 transitions. [2021-10-21 19:58:08,635 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 412 transitions. Word has length 22 [2021-10-21 19:58:08,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:08,635 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 412 transitions. [2021-10-21 19:58:08,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:08,636 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 412 transitions. [2021-10-21 19:58:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-10-21 19:58:08,640 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:08,640 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:58:08,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:58:08,648 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:08,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:08,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1186072980, now seen corresponding path program 1 times [2021-10-21 19:58:08,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:08,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407286577] [2021-10-21 19:58:08,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:08,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:08,925 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:58:08,925 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:08,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407286577] [2021-10-21 19:58:08,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407286577] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:08,926 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:08,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:58:08,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706495037] [2021-10-21 19:58:08,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:08,930 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:08,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:08,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:08,932 INFO L87 Difference]: Start difference. First operand 282 states and 412 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:09,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:09,528 INFO L93 Difference]: Finished difference Result 840 states and 1231 transitions. [2021-10-21 19:58:09,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:09,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2021-10-21 19:58:09,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:09,537 INFO L225 Difference]: With dead ends: 840 [2021-10-21 19:58:09,538 INFO L226 Difference]: Without dead ends: 560 [2021-10-21 19:58:09,543 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:09,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2021-10-21 19:58:09,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2021-10-21 19:58:09,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3059033989266546) internal successors, (730), 559 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:09,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 730 transitions. [2021-10-21 19:58:09,593 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 730 transitions. Word has length 92 [2021-10-21 19:58:09,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:09,594 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 730 transitions. [2021-10-21 19:58:09,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 730 transitions. [2021-10-21 19:58:09,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-10-21 19:58:09,605 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:09,606 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:58:09,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:58:09,607 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:09,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:09,610 INFO L82 PathProgramCache]: Analyzing trace with hash -751446652, now seen corresponding path program 1 times [2021-10-21 19:58:09,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:09,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068521951] [2021-10-21 19:58:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:09,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:09,711 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:58:09,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:09,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068521951] [2021-10-21 19:58:09,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068521951] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:09,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:09,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:58:09,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910572069] [2021-10-21 19:58:09,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:09,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:09,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:09,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:09,714 INFO L87 Difference]: Start difference. First operand 560 states and 730 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:10,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:10,305 INFO L93 Difference]: Finished difference Result 1396 states and 1867 transitions. [2021-10-21 19:58:10,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:10,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2021-10-21 19:58:10,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:10,311 INFO L225 Difference]: With dead ends: 1396 [2021-10-21 19:58:10,311 INFO L226 Difference]: Without dead ends: 838 [2021-10-21 19:58:10,312 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 19:58:10,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-10-21 19:58:10,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-10-21 19:58:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2700119474313023) internal successors, (1063), 837 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1063 transitions. [2021-10-21 19:58:10,338 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1063 transitions. Word has length 97 [2021-10-21 19:58:10,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:10,339 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1063 transitions. [2021-10-21 19:58:10,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:10,339 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1063 transitions. [2021-10-21 19:58:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-10-21 19:58:10,341 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:10,342 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:58:10,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:58:10,342 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:10,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:10,343 INFO L82 PathProgramCache]: Analyzing trace with hash -549197988, now seen corresponding path program 1 times [2021-10-21 19:58:10,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:10,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795103702] [2021-10-21 19:58:10,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:10,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:10,499 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:58:10,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:10,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795103702] [2021-10-21 19:58:10,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795103702] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:10,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:10,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:58:10,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437557041] [2021-10-21 19:58:10,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:10,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:10,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:10,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:10,509 INFO L87 Difference]: Start difference. First operand 838 states and 1063 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:11,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:11,106 INFO L93 Difference]: Finished difference Result 2230 states and 2775 transitions. [2021-10-21 19:58:11,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:11,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2021-10-21 19:58:11,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:11,116 INFO L225 Difference]: With dead ends: 2230 [2021-10-21 19:58:11,116 INFO L226 Difference]: Without dead ends: 1394 [2021-10-21 19:58:11,119 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:11,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-10-21 19:58:11,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255. [2021-10-21 19:58:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.1762360446570972) internal successors, (1475), 1254 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1475 transitions. [2021-10-21 19:58:11,154 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1475 transitions. Word has length 113 [2021-10-21 19:58:11,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:11,156 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 1475 transitions. [2021-10-21 19:58:11,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:11,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1475 transitions. [2021-10-21 19:58:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-10-21 19:58:11,159 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:11,159 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-21 19:58:11,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:58:11,159 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:11,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:11,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1751813803, now seen corresponding path program 1 times [2021-10-21 19:58:11,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:11,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113734056] [2021-10-21 19:58:11,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:11,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:58:11,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:11,334 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113734056] [2021-10-21 19:58:11,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113734056] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:11,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:11,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:58:11,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102496074] [2021-10-21 19:58:11,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:11,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:11,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:11,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:11,337 INFO L87 Difference]: Start difference. First operand 1255 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:11,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:11,870 INFO L93 Difference]: Finished difference Result 2647 states and 3097 transitions. [2021-10-21 19:58:11,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:11,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 114 [2021-10-21 19:58:11,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:11,879 INFO L225 Difference]: With dead ends: 2647 [2021-10-21 19:58:11,879 INFO L226 Difference]: Without dead ends: 1394 [2021-10-21 19:58:11,881 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:11,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-10-21 19:58:11,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394. [2021-10-21 19:58:11,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1393 states have (on average 1.1622397702799714) internal successors, (1619), 1393 states have internal predecessors, (1619), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1619 transitions. [2021-10-21 19:58:11,914 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1619 transitions. Word has length 114 [2021-10-21 19:58:11,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:11,915 INFO L470 AbstractCegarLoop]: Abstraction has 1394 states and 1619 transitions. [2021-10-21 19:58:11,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1619 transitions. [2021-10-21 19:58:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-10-21 19:58:11,918 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:11,918 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:58:11,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:58:11,919 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:11,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:11,920 INFO L82 PathProgramCache]: Analyzing trace with hash 49389313, now seen corresponding path program 1 times [2021-10-21 19:58:11,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:11,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273898405] [2021-10-21 19:58:11,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:11,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:12,078 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-21 19:58:12,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:12,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273898405] [2021-10-21 19:58:12,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273898405] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:58:12,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613206781] [2021-10-21 19:58:12,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:12,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:58:12,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:12,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:58:12,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:58:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:12,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:58:12,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:58:12,921 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-10-21 19:58:12,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613206781] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:12,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-21 19:58:12,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-10-21 19:58:12,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209519565] [2021-10-21 19:58:12,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:12,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:12,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:12,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:58:12,938 INFO L87 Difference]: Start difference. First operand 1394 states and 1619 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:13,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:13,458 INFO L93 Difference]: Finished difference Result 1952 states and 2292 transitions. [2021-10-21 19:58:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:13,458 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 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 180 [2021-10-21 19:58:13,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:13,468 INFO L225 Difference]: With dead ends: 1952 [2021-10-21 19:58:13,469 INFO L226 Difference]: Without dead ends: 1950 [2021-10-21 19:58:13,470 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 25.6ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:58:13,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2021-10-21 19:58:13,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1533. [2021-10-21 19:58:13,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.1801566579634464) internal successors, (1808), 1532 states have internal predecessors, (1808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:13,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1808 transitions. [2021-10-21 19:58:13,525 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1808 transitions. Word has length 180 [2021-10-21 19:58:13,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:13,526 INFO L470 AbstractCegarLoop]: Abstraction has 1533 states and 1808 transitions. [2021-10-21 19:58:13,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:13,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1808 transitions. [2021-10-21 19:58:13,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-10-21 19:58:13,529 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:13,529 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:58:13,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:13,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:58:13,744 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:13,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:13,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1933258404, now seen corresponding path program 1 times [2021-10-21 19:58:13,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:13,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811022306] [2021-10-21 19:58:13,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:13,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:58:13,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:13,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811022306] [2021-10-21 19:58:13,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811022306] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:13,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:13,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:58:13,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231481463] [2021-10-21 19:58:13,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:13,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:13,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:13,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:13,859 INFO L87 Difference]: Start difference. First operand 1533 states and 1808 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:14,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:14,431 INFO L93 Difference]: Finished difference Result 3342 states and 4028 transitions. [2021-10-21 19:58:14,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:14,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 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 182 [2021-10-21 19:58:14,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:14,445 INFO L225 Difference]: With dead ends: 3342 [2021-10-21 19:58:14,445 INFO L226 Difference]: Without dead ends: 1950 [2021-10-21 19:58:14,448 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2021-10-21 19:58:14,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1811. [2021-10-21 19:58:14,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1810 states have (on average 1.1640883977900554) internal successors, (2107), 1810 states have internal predecessors, (2107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2107 transitions. [2021-10-21 19:58:14,501 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2107 transitions. Word has length 182 [2021-10-21 19:58:14,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:14,502 INFO L470 AbstractCegarLoop]: Abstraction has 1811 states and 2107 transitions. [2021-10-21 19:58:14,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2107 transitions. [2021-10-21 19:58:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-10-21 19:58:14,508 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:14,508 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:58:14,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:58:14,509 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:14,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:14,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1043775474, now seen corresponding path program 1 times [2021-10-21 19:58:14,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:14,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800746029] [2021-10-21 19:58:14,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:14,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-10-21 19:58:14,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:14,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800746029] [2021-10-21 19:58:14,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800746029] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:14,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:14,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:58:14,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865348036] [2021-10-21 19:58:14,754 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:58:14,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:14,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:58:14,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:58:14,755 INFO L87 Difference]: Start difference. First operand 1811 states and 2107 transitions. Second operand has 7 states, 7 states have (on average 29.0) internal successors, (203), 6 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:15,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:15,439 INFO L93 Difference]: Finished difference Result 3536 states and 4123 transitions. [2021-10-21 19:58:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:58:15,440 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 29.0) internal successors, (203), 6 states have internal predecessors, (203), 0 states have call successors, (0), 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 234 [2021-10-21 19:58:15,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:15,451 INFO L225 Difference]: With dead ends: 3536 [2021-10-21 19:58:15,451 INFO L226 Difference]: Without dead ends: 1811 [2021-10-21 19:58:15,454 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 50.8ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:58:15,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2021-10-21 19:58:15,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2021-10-21 19:58:15,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1810 states have (on average 1.160220994475138) internal successors, (2100), 1810 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:15,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2100 transitions. [2021-10-21 19:58:15,503 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2100 transitions. Word has length 234 [2021-10-21 19:58:15,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:15,504 INFO L470 AbstractCegarLoop]: Abstraction has 1811 states and 2100 transitions. [2021-10-21 19:58:15,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 29.0) internal successors, (203), 6 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2100 transitions. [2021-10-21 19:58:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-10-21 19:58:15,510 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:15,510 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:58:15,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:58:15,511 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:15,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:15,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1440717452, now seen corresponding path program 1 times [2021-10-21 19:58:15,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:15,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390009651] [2021-10-21 19:58:15,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:15,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:58:15,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:15,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390009651] [2021-10-21 19:58:15,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390009651] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:15,696 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:15,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:58:15,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176462272] [2021-10-21 19:58:15,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 19:58:15,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:15,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:58:15,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:58:15,702 INFO L87 Difference]: Start difference. First operand 1811 states and 2100 transitions. Second operand has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:16,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:16,536 INFO L93 Difference]: Finished difference Result 3759 states and 4383 transitions. [2021-10-21 19:58:16,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:58:16,536 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 0 states have call successors, (0), 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 270 [2021-10-21 19:58:16,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:16,549 INFO L225 Difference]: With dead ends: 3759 [2021-10-21 19:58:16,549 INFO L226 Difference]: Without dead ends: 2089 [2021-10-21 19:58:16,553 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:58:16,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2021-10-21 19:58:16,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2021-10-21 19:58:16,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.1460727969348659) internal successors, (2393), 2088 states have internal predecessors, (2393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2393 transitions. [2021-10-21 19:58:16,612 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2393 transitions. Word has length 270 [2021-10-21 19:58:16,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:16,613 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 2393 transitions. [2021-10-21 19:58:16,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.5) internal successors, (270), 4 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2393 transitions. [2021-10-21 19:58:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-10-21 19:58:16,645 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:16,646 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:58:16,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:58:16,646 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:16,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:16,647 INFO L82 PathProgramCache]: Analyzing trace with hash 593345289, now seen corresponding path program 1 times [2021-10-21 19:58:16,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:16,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447660646] [2021-10-21 19:58:16,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:16,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:16,818 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-10-21 19:58:16,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:16,818 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447660646] [2021-10-21 19:58:16,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447660646] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:16,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:16,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:58:16,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345636790] [2021-10-21 19:58:16,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:16,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:16,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:16,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:16,828 INFO L87 Difference]: Start difference. First operand 2089 states and 2393 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:17,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:17,355 INFO L93 Difference]: Finished difference Result 4454 states and 5196 transitions. [2021-10-21 19:58:17,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:17,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 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 270 [2021-10-21 19:58:17,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:17,370 INFO L225 Difference]: With dead ends: 4454 [2021-10-21 19:58:17,370 INFO L226 Difference]: Without dead ends: 2506 [2021-10-21 19:58:17,373 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:17,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2021-10-21 19:58:17,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2367. [2021-10-21 19:58:17,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2367 states, 2366 states have (on average 1.139475908706678) internal successors, (2696), 2366 states have internal predecessors, (2696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:17,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 2367 states and 2696 transitions. [2021-10-21 19:58:17,433 INFO L78 Accepts]: Start accepts. Automaton has 2367 states and 2696 transitions. Word has length 270 [2021-10-21 19:58:17,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:17,434 INFO L470 AbstractCegarLoop]: Abstraction has 2367 states and 2696 transitions. [2021-10-21 19:58:17,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:17,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2696 transitions. [2021-10-21 19:58:17,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-10-21 19:58:17,440 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:17,441 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:58:17,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:58:17,441 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:17,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:17,442 INFO L82 PathProgramCache]: Analyzing trace with hash -876938456, now seen corresponding path program 1 times [2021-10-21 19:58:17,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:17,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870050456] [2021-10-21 19:58:17,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:17,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:17,580 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-10-21 19:58:17,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:17,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870050456] [2021-10-21 19:58:17,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870050456] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:17,581 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:17,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:58:17,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306320035] [2021-10-21 19:58:17,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:17,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:17,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:17,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:17,584 INFO L87 Difference]: Start difference. First operand 2367 states and 2696 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:18,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:18,134 INFO L93 Difference]: Finished difference Result 5288 states and 6002 transitions. [2021-10-21 19:58:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:18,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283 [2021-10-21 19:58:18,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:18,152 INFO L225 Difference]: With dead ends: 5288 [2021-10-21 19:58:18,152 INFO L226 Difference]: Without dead ends: 3062 [2021-10-21 19:58:18,155 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:18,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2021-10-21 19:58:18,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2089. [2021-10-21 19:58:18,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.125) internal successors, (2349), 2088 states have internal predecessors, (2349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2349 transitions. [2021-10-21 19:58:18,214 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2349 transitions. Word has length 283 [2021-10-21 19:58:18,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:18,215 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 2349 transitions. [2021-10-21 19:58:18,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:18,216 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2349 transitions. [2021-10-21 19:58:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-10-21 19:58:18,223 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:18,223 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-21 19:58:18,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-21 19:58:18,224 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:18,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:18,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1778174755, now seen corresponding path program 1 times [2021-10-21 19:58:18,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:18,225 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183939793] [2021-10-21 19:58:18,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:18,226 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2021-10-21 19:58:18,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:18,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183939793] [2021-10-21 19:58:18,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183939793] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:18,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:18,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:58:18,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680715090] [2021-10-21 19:58:18,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:18,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:18,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:18,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:18,391 INFO L87 Difference]: Start difference. First operand 2089 states and 2349 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:18,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:18,916 INFO L93 Difference]: Finished difference Result 5010 states and 5620 transitions. [2021-10-21 19:58:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:18,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 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 319 [2021-10-21 19:58:18,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:18,929 INFO L225 Difference]: With dead ends: 5010 [2021-10-21 19:58:18,930 INFO L226 Difference]: Without dead ends: 2089 [2021-10-21 19:58:18,933 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 19:58:18,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2021-10-21 19:58:18,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2021-10-21 19:58:18,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.1187739463601531) internal successors, (2336), 2088 states have internal predecessors, (2336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:18,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2336 transitions. [2021-10-21 19:58:18,987 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2336 transitions. Word has length 319 [2021-10-21 19:58:18,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:18,987 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 2336 transitions. [2021-10-21 19:58:18,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2336 transitions. [2021-10-21 19:58:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-10-21 19:58:18,997 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:18,998 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:58:18,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-21 19:58:18,998 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:18,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:18,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1701479307, now seen corresponding path program 1 times [2021-10-21 19:58:18,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:18,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476013335] [2021-10-21 19:58:18,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:19,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-10-21 19:58:19,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:19,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476013335] [2021-10-21 19:58:19,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476013335] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:58:19,150 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:58:19,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:58:19,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075852190] [2021-10-21 19:58:19,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:58:19,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:19,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:58:19,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:19,152 INFO L87 Difference]: Start difference. First operand 2089 states and 2336 transitions. Second operand has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:19,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:19,670 INFO L93 Difference]: Finished difference Result 4037 states and 4527 transitions. [2021-10-21 19:58:19,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:58:19,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 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 363 [2021-10-21 19:58:19,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:19,685 INFO L225 Difference]: With dead ends: 4037 [2021-10-21 19:58:19,685 INFO L226 Difference]: Without dead ends: 2089 [2021-10-21 19:58:19,688 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:58:19,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2021-10-21 19:58:19,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089. [2021-10-21 19:58:19,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.0914750957854407) internal successors, (2279), 2088 states have internal predecessors, (2279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2279 transitions. [2021-10-21 19:58:19,737 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2279 transitions. Word has length 363 [2021-10-21 19:58:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:19,738 INFO L470 AbstractCegarLoop]: Abstraction has 2089 states and 2279 transitions. [2021-10-21 19:58:19,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.33333333333333) internal successors, (292), 3 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2279 transitions. [2021-10-21 19:58:19,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-10-21 19:58:19,748 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:58:19,749 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-21 19:58:19,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-21 19:58:19,749 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:58:19,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:58:19,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1115836380, now seen corresponding path program 1 times [2021-10-21 19:58:19,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:58:19,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523499313] [2021-10-21 19:58:19,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:19,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:58:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:20,061 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 236 proven. 35 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-10-21 19:58:20,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:58:20,061 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523499313] [2021-10-21 19:58:20,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523499313] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:58:20,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110784439] [2021-10-21 19:58:20,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:58:20,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:58:20,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:58:20,063 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:58:20,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-21 19:58:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:58:20,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-21 19:58:20,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:58:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 197 proven. 74 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-10-21 19:58:24,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110784439] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:58:24,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:58:24,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-21 19:58:24,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087557346] [2021-10-21 19:58:24,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:58:24,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:58:24,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:58:24,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:58:24,186 INFO L87 Difference]: Start difference. First operand 2089 states and 2279 transitions. Second operand has 8 states, 8 states have (on average 42.0) internal successors, (336), 7 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:25,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:58:25,404 INFO L93 Difference]: Finished difference Result 4364 states and 4762 transitions. [2021-10-21 19:58:25,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-21 19:58:25,404 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 42.0) internal successors, (336), 7 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 373 [2021-10-21 19:58:25,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:58:25,405 INFO L225 Difference]: With dead ends: 4364 [2021-10-21 19:58:25,405 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:58:25,409 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 66.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-21 19:58:25,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:58:25,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:58:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:25,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:58:25,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2021-10-21 19:58:25,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:58:25,410 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:58:25,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 42.0) internal successors, (336), 7 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:58:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:58:25,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:58:25,413 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:58:25,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:58:25,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-21 19:58:25,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:58:25,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:58:25,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:58:25,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:58:26,461 INFO L857 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-10-21 19:58:26,461 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-10-21 19:58:26,461 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-10-21 19:58:26,464 INFO L857 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-10-21 19:58:26,464 INFO L857 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-10-21 19:58:26,465 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-10-21 19:58:26,465 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,465 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,466 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,466 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,466 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,466 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,466 INFO L857 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-10-21 19:58:26,466 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-10-21 19:58:26,466 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-10-21 19:58:26,467 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-10-21 19:58:26,467 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-10-21 19:58:26,467 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-10-21 19:58:26,469 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-10-21 19:58:26,469 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-10-21 19:58:26,469 INFO L857 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-10-21 19:58:26,469 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-10-21 19:58:26,469 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-10-21 19:58:26,469 INFO L857 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-10-21 19:58:26,470 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-10-21 19:58:26,470 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,471 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,471 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,471 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,471 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,471 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,471 INFO L857 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-10-21 19:58:26,471 INFO L857 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-10-21 19:58:26,472 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-10-21 19:58:26,472 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-10-21 19:58:26,472 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-10-21 19:58:26,473 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-10-21 19:58:26,473 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-10-21 19:58:26,473 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-10-21 19:58:26,473 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-10-21 19:58:26,473 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-10-21 19:58:26,473 INFO L857 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-10-21 19:58:26,473 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-10-21 19:58:26,473 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,473 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,474 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,474 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,474 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,474 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,474 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-10-21 19:58:26,474 INFO L857 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-10-21 19:58:26,474 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-10-21 19:58:26,474 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-10-21 19:58:26,474 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-10-21 19:58:26,475 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-10-21 19:58:26,475 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-10-21 19:58:26,475 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-21 19:58:26,475 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-10-21 19:58:26,475 INFO L857 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-10-21 19:58:26,475 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-10-21 19:58:26,476 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-10-21 19:58:26,477 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-10-21 19:58:26,477 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,478 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,478 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,478 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,478 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,478 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,479 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-10-21 19:58:26,479 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-10-21 19:58:26,479 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-10-21 19:58:26,479 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-10-21 19:58:26,479 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-10-21 19:58:26,479 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-10-21 19:58:26,479 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-10-21 19:58:26,479 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-10-21 19:58:26,479 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-10-21 19:58:26,480 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-10-21 19:58:26,480 INFO L857 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-10-21 19:58:26,480 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,480 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,481 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,481 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,481 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,481 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-10-21 19:58:26,481 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-10-21 19:58:26,481 INFO L857 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-10-21 19:58:26,481 INFO L857 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-10-21 19:58:26,481 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-10-21 19:58:26,481 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-10-21 19:58:26,482 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-10-21 19:58:26,482 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-21 19:58:26,482 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-10-21 19:58:26,482 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-10-21 19:58:26,482 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-10-21 19:58:26,482 INFO L857 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-10-21 19:58:26,482 INFO L857 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-10-21 19:58:26,482 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-10-21 19:58:26,482 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,483 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,483 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,483 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,483 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,483 INFO L857 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-10-21 19:58:26,483 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:58:26,483 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-10-21 19:58:26,483 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-10-21 19:58:26,483 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-10-21 19:58:26,483 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-10-21 19:58:26,484 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-10-21 19:58:26,484 INFO L853 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse3 (= ~a10~0 0)) (.cse4 (<= ~a1~0 36)) (.cse8 (<= ~a19~0 7)) (.cse5 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse0 (<= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse7 (= ~a10~0 2)) (.cse2 (= ~a12~0 0)) (.cse9 (<= 9 ~a19~0))) (or (and .cse0 (= ~a10~0 4) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and .cse5 .cse1 .cse2 .cse6) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse7 .cse2) (and .cse1 .cse7 .cse8 .cse2) (and .cse5 (< 218 ~a1~0) .cse1 .cse2) (and .cse4 .cse1 .cse8 .cse2) (and .cse5 .cse1 .cse2 .cse9) (and (<= 592098 ~a1~0) .cse1 .cse7 .cse2 .cse6) (and (= ~a19~0 9) (= ~a10~0 3) .cse1 .cse2) (and .cse0 .cse1 .cse7 .cse2 .cse9))) [2021-10-21 19:58:26,484 INFO L857 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-10-21 19:58:26,484 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-10-21 19:58:26,485 INFO L857 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-10-21 19:58:26,485 INFO L857 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-10-21 19:58:26,485 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,485 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,485 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,487 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,487 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,487 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-10-21 19:58:26,487 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-10-21 19:58:26,488 INFO L857 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-10-21 19:58:26,488 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-10-21 19:58:26,488 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-10-21 19:58:26,488 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-10-21 19:58:26,488 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-10-21 19:58:26,488 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-21 19:58:26,488 INFO L857 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-10-21 19:58:26,488 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-10-21 19:58:26,489 INFO L860 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-10-21 19:58:26,489 INFO L857 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-10-21 19:58:26,489 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-10-21 19:58:26,489 INFO L857 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-10-21 19:58:26,489 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:58:26,489 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,489 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,489 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,490 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,490 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,490 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-10-21 19:58:26,490 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-10-21 19:58:26,490 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-10-21 19:58:26,490 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-10-21 19:58:26,490 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-10-21 19:58:26,490 INFO L857 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-10-21 19:58:26,490 INFO L857 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-10-21 19:58:26,490 INFO L857 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-10-21 19:58:26,491 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-10-21 19:58:26,491 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,491 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,491 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,491 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,491 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:58:26,491 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,491 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-10-21 19:58:26,491 INFO L857 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-10-21 19:58:26,492 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-10-21 19:58:26,492 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-10-21 19:58:26,492 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-10-21 19:58:26,492 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-21 19:58:26,492 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-10-21 19:58:26,492 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-10-21 19:58:26,492 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-21 19:58:26,492 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-10-21 19:58:26,492 INFO L857 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-10-21 19:58:26,492 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-10-21 19:58:26,493 INFO L853 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse3 (= ~a10~0 0)) (.cse4 (<= ~a1~0 36)) (.cse8 (<= ~a19~0 7)) (.cse5 (= ~a10~0 1)) (.cse6 (= ~a19~0 8)) (.cse0 (<= ~a19~0 9)) (.cse1 (= 14 ~a4~0)) (.cse7 (= ~a10~0 2)) (.cse2 (= ~a12~0 0)) (.cse9 (<= 9 ~a19~0))) (or (and .cse0 (= ~a10~0 4) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and .cse5 .cse1 .cse2 .cse6) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse1 .cse7 .cse2) (and .cse1 .cse7 .cse8 .cse2) (and .cse5 (< 218 ~a1~0) .cse1 .cse2) (and .cse4 .cse1 .cse8 .cse2) (and .cse5 .cse1 .cse2 .cse9) (and (<= 592098 ~a1~0) .cse1 .cse7 .cse2 .cse6) (and (= ~a19~0 9) (= ~a10~0 3) .cse1 .cse2) (and .cse0 .cse1 .cse7 .cse2 .cse9))) [2021-10-21 19:58:26,493 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-10-21 19:58:26,493 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,493 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,493 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,493 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,493 INFO L857 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-10-21 19:58:26,493 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,494 INFO L857 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,494 INFO L857 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-10-21 19:58:26,494 INFO L857 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-10-21 19:58:26,494 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-10-21 19:58:26,494 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-10-21 19:58:26,494 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-21 19:58:26,494 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-10-21 19:58:26,494 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-10-21 19:58:26,494 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-10-21 19:58:26,495 INFO L857 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-10-21 19:58:26,495 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:58:26,495 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2021-10-21 19:58:26,495 INFO L857 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-10-21 19:58:26,495 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-10-21 19:58:26,495 INFO L857 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-10-21 19:58:26,495 INFO L857 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-10-21 19:58:26,495 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,495 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,496 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,496 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,496 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,496 INFO L857 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-10-21 19:58:26,496 INFO L857 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-10-21 19:58:26,496 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-10-21 19:58:26,496 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-10-21 19:58:26,496 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-10-21 19:58:26,496 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-10-21 19:58:26,496 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-21 19:58:26,497 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-21 19:58:26,497 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-10-21 19:58:26,497 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-10-21 19:58:26,501 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:58:26,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:58:26 BoogieIcfgContainer [2021-10-21 19:58:26,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:58:26,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:58:26,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:58:26,536 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:58:26,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:58:07" (3/4) ... [2021-10-21 19:58:26,539 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:58:26,565 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-21 19:58:26,567 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-21 19:58:26,568 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:58:26,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:58:26,788 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:58:26,788 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:58:26,790 INFO L168 Benchmark]: Toolchain (without parser) took 21782.95 ms. Allocated memory was 86.0 MB in the beginning and 234.9 MB in the end (delta: 148.9 MB). Free memory was 48.1 MB in the beginning and 188.9 MB in the end (delta: -140.8 MB). Peak memory consumption was 133.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:58:26,791 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 65.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:58:26,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.71 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 47.9 MB in the beginning and 63.5 MB in the end (delta: -15.6 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:58:26,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.57 ms. Allocated memory is still 104.9 MB. Free memory was 63.5 MB in the beginning and 55.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:58:26,793 INFO L168 Benchmark]: Boogie Preprocessor took 129.92 ms. Allocated memory is still 104.9 MB. Free memory was 55.6 MB in the beginning and 50.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:58:26,793 INFO L168 Benchmark]: RCFGBuilder took 1355.82 ms. Allocated memory is still 104.9 MB. Free memory was 50.7 MB in the beginning and 68.0 MB in the end (delta: -17.3 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:58:26,794 INFO L168 Benchmark]: TraceAbstraction took 19287.54 ms. Allocated memory was 104.9 MB in the beginning and 234.9 MB in the end (delta: 130.0 MB). Free memory was 67.3 MB in the beginning and 67.5 MB in the end (delta: -181.9 kB). Peak memory consumption was 130.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:58:26,794 INFO L168 Benchmark]: Witness Printer took 252.99 ms. Allocated memory is still 234.9 MB. Free memory was 67.5 MB in the beginning and 188.9 MB in the end (delta: -121.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:58:26,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 66.0 MB in the beginning and 65.9 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 639.71 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 47.9 MB in the beginning and 63.5 MB in the end (delta: -15.6 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.57 ms. Allocated memory is still 104.9 MB. Free memory was 63.5 MB in the beginning and 55.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 129.92 ms. Allocated memory is still 104.9 MB. Free memory was 55.6 MB in the beginning and 50.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1355.82 ms. Allocated memory is still 104.9 MB. Free memory was 50.7 MB in the beginning and 68.0 MB in the end (delta: -17.3 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19287.54 ms. Allocated memory was 104.9 MB in the beginning and 234.9 MB in the end (delta: 130.0 MB). Free memory was 67.3 MB in the beginning and 67.5 MB in the end (delta: -181.9 kB). Peak memory consumption was 130.1 MB. Max. memory is 16.1 GB. * Witness Printer took 252.99 ms. Allocated memory is still 234.9 MB. Free memory was 67.5 MB in the beginning and 188.9 MB in the end (delta: -121.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 80]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19193.8ms, OverallIterations: 14, TraceHistogramMax: 4, EmptinessCheckTime: 111.8ms, AutomataDifference: 9482.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 846.3ms, InitialAbstractionConstructionTime: 15.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1580 SDtfs, 1444 SDslu, 108 SDs, 0 SdLazy, 7092 SolverSat, 818 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6843.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 597 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 172.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2367occurred in iteration=10, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 621.0ms AutomataMinimizationTime, 14 MinimizatonAttempts, 1807 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 86 NumberOfFragments, 333 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3244 FormulaSimplificationTreeSizeReduction, 164.3ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 1060 FormulaSimplificationTreeSizeReductionInter, 673.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 253.6ms SsaConstructionTime, 754.7ms SatisfiabilityAnalysisTime, 6215.4ms InterpolantComputationTime, 3465 NumberOfCodeBlocks, 3465 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3449 ConstructedInterpolants, 0 QuantifiedInterpolants, 15633 SizeOfPredicates, 5 NumberOfNonLiveVariables, 813 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 2499/2673 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: 592]: Loop Invariant Derived loop invariant: (((((((((((((a19 <= 9 && a10 == 4) && 14 == a4) && a12 == 0) || (((a10 == 0 && a1 <= 36) && 14 == a4) && a12 == 0)) || (((a10 == 1 && 14 == a4) && a12 == 0) && a19 == 8)) || (((a19 <= 9 && a10 == 0) && 14 == a4) && a12 == 0)) || ((((a19 <= 9 && a1 <= 36) && 14 == a4) && a10 == 2) && a12 == 0)) || (((14 == a4 && a10 == 2) && a19 <= 7) && a12 == 0)) || (((a10 == 1 && 218 < a1) && 14 == a4) && a12 == 0)) || (((a1 <= 36 && 14 == a4) && a19 <= 7) && a12 == 0)) || (((a10 == 1 && 14 == a4) && a12 == 0) && 9 <= a19)) || ((((592098 <= a1 && 14 == a4) && a10 == 2) && a12 == 0) && a19 == 8)) || (((a19 == 9 && a10 == 3) && 14 == a4) && a12 == 0)) || ((((a19 <= 9 && 14 == a4) && a10 == 2) && a12 == 0) && 9 <= a19) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((((((a19 <= 9 && a10 == 4) && 14 == a4) && a12 == 0) || (((a10 == 0 && a1 <= 36) && 14 == a4) && a12 == 0)) || (((a10 == 1 && 14 == a4) && a12 == 0) && a19 == 8)) || (((a19 <= 9 && a10 == 0) && 14 == a4) && a12 == 0)) || ((((a19 <= 9 && a1 <= 36) && 14 == a4) && a10 == 2) && a12 == 0)) || (((14 == a4 && a10 == 2) && a19 <= 7) && a12 == 0)) || (((a10 == 1 && 218 < a1) && 14 == a4) && a12 == 0)) || (((a1 <= 36 && 14 == a4) && a19 <= 7) && a12 == 0)) || (((a10 == 1 && 14 == a4) && a12 == 0) && 9 <= a19)) || ((((592098 <= a1 && 14 == a4) && a10 == 2) && a12 == 0) && a19 == 8)) || (((a19 == 9 && a10 == 3) && 14 == a4) && a12 == 0)) || ((((a19 <= 9 && 14 == a4) && a10 == 2) && a12 == 0) && 9 <= a19) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:58:26,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_351069e9-0c38-4083-8881-73f74bb0762c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...