./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN --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 3f14d4f9bc9aeaf37fb25f1f86f7bc3a3a5a6ca0e3e96922bca4446f4d37ab9f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:37:00,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:37:00,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:37:00,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:37:00,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:37:00,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:37:00,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:37:00,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:37:00,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:37:00,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:37:00,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:37:00,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:37:00,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:37:00,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:37:00,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:37:00,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:37:00,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:37:00,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:37:00,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:37:00,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:37:00,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:37:00,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:37:00,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:37:00,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:37:00,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:37:00,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:37:00,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:37:00,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:37:00,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:37:00,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:37:00,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:37:00,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:37:00,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:37:00,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:37:00,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:37:00,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:37:00,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:37:00,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:37:00,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:37:00,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:37:00,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:37:00,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 10:37:00,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:37:00,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:37:00,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:37:00,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:37:00,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:37:00,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:37:00,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:37:00,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:37:00,786 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:37:00,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:37:00,786 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:37:00,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:37:00,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:37:00,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:37:00,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:37:00,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:37:00,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:37:00,788 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:37:00,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:37:00,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:37:00,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:37:00,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:37:00,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:37:00,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:37:00,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:37:00,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:37:00,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:37:00,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:37:00,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:37:00,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:37:00,791 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:37:00,791 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:37:00,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:37:00,792 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_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f14d4f9bc9aeaf37fb25f1f86f7bc3a3a5a6ca0e3e96922bca4446f4d37ab9f [2022-11-20 10:37:01,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:37:01,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:37:01,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:37:01,149 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:37:01,149 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:37:01,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2022-11-20 10:37:04,166 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:37:04,531 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:37:04,532 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2022-11-20 10:37:04,546 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/data/1b483cebe/3384af08d93448458e24b6e1abc6c49e/FLAGebe741d88 [2022-11-20 10:37:04,561 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/data/1b483cebe/3384af08d93448458e24b6e1abc6c49e [2022-11-20 10:37:04,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:37:04,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:37:04,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:37:04,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:37:04,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:37:04,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:37:04" (1/1) ... [2022-11-20 10:37:04,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5751212b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:04, skipping insertion in model container [2022-11-20 10:37:04,573 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:37:04" (1/1) ... [2022-11-20 10:37:04,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:37:04,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:37:05,306 WARN L237 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_080c426a-9f24-4658-8782-23529fdae9b7/sv-benchmarks/c/eca-rers2012/Problem03_label48.c[58935,58948] [2022-11-20 10:37:05,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:37:05,364 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:37:05,691 WARN L237 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_080c426a-9f24-4658-8782-23529fdae9b7/sv-benchmarks/c/eca-rers2012/Problem03_label48.c[58935,58948] [2022-11-20 10:37:05,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:37:05,725 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:37:05,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05 WrapperNode [2022-11-20 10:37:05,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:37:05,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:37:05,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:37:05,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:37:05,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:05,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:05,886 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-11-20 10:37:05,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:37:05,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:37:05,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:37:05,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:37:05,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:05,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:05,908 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:05,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:05,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:05,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:05,977 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:05,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:05,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:37:06,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:37:06,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:37:06,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:37:06,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (1/1) ... [2022-11-20 10:37:06,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:37:06,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:37:06,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:37:06,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:37:06,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:37:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:37:06,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:37:06,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:37:06,245 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:37:06,248 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:37:08,269 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:37:08,291 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:37:08,291 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:37:08,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:37:08 BoogieIcfgContainer [2022-11-20 10:37:08,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:37:08,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:37:08,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:37:08,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:37:08,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:37:04" (1/3) ... [2022-11-20 10:37:08,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f646ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:37:08, skipping insertion in model container [2022-11-20 10:37:08,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:37:05" (2/3) ... [2022-11-20 10:37:08,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f646ead and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:37:08, skipping insertion in model container [2022-11-20 10:37:08,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:37:08" (3/3) ... [2022-11-20 10:37:08,313 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label48.c [2022-11-20 10:37:08,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:37:08,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:37:08,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:37:08,405 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b9b4e30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:37:08,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:37:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:08,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-20 10:37:08,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:08,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:08,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:08,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:08,433 INFO L85 PathProgramCache]: Analyzing trace with hash -819677325, now seen corresponding path program 1 times [2022-11-20 10:37:08,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:08,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592452924] [2022-11-20 10:37:08,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:08,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:09,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:09,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592452924] [2022-11-20 10:37:09,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592452924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:09,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:09,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:37:09,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420149158] [2022-11-20 10:37:09,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:09,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:09,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:09,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:09,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:09,427 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:10,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:10,788 INFO L93 Difference]: Finished difference Result 860 states and 1507 transitions. [2022-11-20 10:37:10,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:10,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 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 183 [2022-11-20 10:37:10,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:10,805 INFO L225 Difference]: With dead ends: 860 [2022-11-20 10:37:10,805 INFO L226 Difference]: Without dead ends: 465 [2022-11-20 10:37:10,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:10,813 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 121 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:10,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 170 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 10:37:10,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2022-11-20 10:37:10,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2022-11-20 10:37:10,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.556768558951965) internal successors, (713), 458 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 713 transitions. [2022-11-20 10:37:10,878 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 713 transitions. Word has length 183 [2022-11-20 10:37:10,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:10,882 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 713 transitions. [2022-11-20 10:37:10,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 2 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:10,882 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 713 transitions. [2022-11-20 10:37:10,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-20 10:37:10,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:10,890 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:10,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:37:10,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:10,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:10,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1598798580, now seen corresponding path program 1 times [2022-11-20 10:37:10,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:10,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432047576] [2022-11-20 10:37:10,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:10,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:11,244 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:11,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:11,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432047576] [2022-11-20 10:37:11,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432047576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:11,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:11,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:37:11,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473497685] [2022-11-20 10:37:11,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:11,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:11,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:11,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:11,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:11,252 INFO L87 Difference]: Start difference. First operand 459 states and 713 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:12,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:12,332 INFO L93 Difference]: Finished difference Result 1343 states and 2102 transitions. [2022-11-20 10:37:12,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:12,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-11-20 10:37:12,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:12,341 INFO L225 Difference]: With dead ends: 1343 [2022-11-20 10:37:12,341 INFO L226 Difference]: Without dead ends: 886 [2022-11-20 10:37:12,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:12,352 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 249 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:12,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 89 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:37:12,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2022-11-20 10:37:12,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 868. [2022-11-20 10:37:12,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.5340253748558246) internal successors, (1330), 867 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1330 transitions. [2022-11-20 10:37:12,403 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1330 transitions. Word has length 191 [2022-11-20 10:37:12,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:12,403 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1330 transitions. [2022-11-20 10:37:12,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1330 transitions. [2022-11-20 10:37:12,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-20 10:37:12,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:12,409 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:12,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:37:12,410 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:12,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:12,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1173366829, now seen corresponding path program 1 times [2022-11-20 10:37:12,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:12,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568066294] [2022-11-20 10:37:12,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:12,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:12,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:12,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568066294] [2022-11-20 10:37:12,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568066294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:12,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:12,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:37:12,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350679780] [2022-11-20 10:37:12,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:12,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:12,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:12,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:12,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:12,675 INFO L87 Difference]: Start difference. First operand 868 states and 1330 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:13,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:13,642 INFO L93 Difference]: Finished difference Result 2573 states and 3946 transitions. [2022-11-20 10:37:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:13,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 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 192 [2022-11-20 10:37:13,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:13,649 INFO L225 Difference]: With dead ends: 2573 [2022-11-20 10:37:13,650 INFO L226 Difference]: Without dead ends: 1707 [2022-11-20 10:37:13,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:13,659 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 255 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:13,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 137 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:37:13,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-11-20 10:37:13,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1704. [2022-11-20 10:37:13,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1703 states have (on average 1.4486200822078685) internal successors, (2467), 1703 states have internal predecessors, (2467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2467 transitions. [2022-11-20 10:37:13,726 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2467 transitions. Word has length 192 [2022-11-20 10:37:13,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:13,728 INFO L495 AbstractCegarLoop]: Abstraction has 1704 states and 2467 transitions. [2022-11-20 10:37:13,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 2 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2467 transitions. [2022-11-20 10:37:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-20 10:37:13,734 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:13,735 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:13,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:37:13,735 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:13,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:13,737 INFO L85 PathProgramCache]: Analyzing trace with hash -531252135, now seen corresponding path program 1 times [2022-11-20 10:37:13,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:13,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336284771] [2022-11-20 10:37:13,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:13,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:14,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:14,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336284771] [2022-11-20 10:37:14,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336284771] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:14,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:14,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:37:14,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869900034] [2022-11-20 10:37:14,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:14,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:14,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:14,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:14,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:14,189 INFO L87 Difference]: Start difference. First operand 1704 states and 2467 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:15,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:15,166 INFO L93 Difference]: Finished difference Result 4238 states and 6117 transitions. [2022-11-20 10:37:15,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:15,167 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-11-20 10:37:15,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:15,176 INFO L225 Difference]: With dead ends: 4238 [2022-11-20 10:37:15,177 INFO L226 Difference]: Without dead ends: 2536 [2022-11-20 10:37:15,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:15,192 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 236 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:15,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 112 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:37:15,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2022-11-20 10:37:15,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2535. [2022-11-20 10:37:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2535 states, 2534 states have (on average 1.4183109707971586) internal successors, (3594), 2534 states have internal predecessors, (3594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 2535 states and 3594 transitions. [2022-11-20 10:37:15,252 INFO L78 Accepts]: Start accepts. Automaton has 2535 states and 3594 transitions. Word has length 193 [2022-11-20 10:37:15,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:15,253 INFO L495 AbstractCegarLoop]: Abstraction has 2535 states and 3594 transitions. [2022-11-20 10:37:15,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 3594 transitions. [2022-11-20 10:37:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-20 10:37:15,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:15,259 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:15,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:37:15,259 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:15,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:15,260 INFO L85 PathProgramCache]: Analyzing trace with hash -73581847, now seen corresponding path program 1 times [2022-11-20 10:37:15,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:15,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683730359] [2022-11-20 10:37:15,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:15,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:37:16,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:16,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683730359] [2022-11-20 10:37:16,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683730359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:16,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:16,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:37:16,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257682745] [2022-11-20 10:37:16,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:16,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:37:16,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:16,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:37:16,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:37:16,151 INFO L87 Difference]: Start difference. First operand 2535 states and 3594 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:17,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:17,231 INFO L93 Difference]: Finished difference Result 5382 states and 7712 transitions. [2022-11-20 10:37:17,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:37:17,232 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 198 [2022-11-20 10:37:17,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:17,242 INFO L225 Difference]: With dead ends: 5382 [2022-11-20 10:37:17,242 INFO L226 Difference]: Without dead ends: 2501 [2022-11-20 10:37:17,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:37:17,246 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 300 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 800 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 800 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:17,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 47 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 800 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:37:17,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2022-11-20 10:37:17,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2501. [2022-11-20 10:37:17,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2501 states, 2500 states have (on average 1.3132) internal successors, (3283), 2500 states have internal predecessors, (3283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:17,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2501 states and 3283 transitions. [2022-11-20 10:37:17,299 INFO L78 Accepts]: Start accepts. Automaton has 2501 states and 3283 transitions. Word has length 198 [2022-11-20 10:37:17,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:17,300 INFO L495 AbstractCegarLoop]: Abstraction has 2501 states and 3283 transitions. [2022-11-20 10:37:17,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 3283 transitions. [2022-11-20 10:37:17,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-20 10:37:17,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:17,310 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:17,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 10:37:17,310 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:17,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:17,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1371073778, now seen corresponding path program 1 times [2022-11-20 10:37:17,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:17,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316246202] [2022-11-20 10:37:17,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:17,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:17,765 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:37:17,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:17,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316246202] [2022-11-20 10:37:17,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316246202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:17,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:17,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:37:17,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725894674] [2022-11-20 10:37:17,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:17,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:17,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:17,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:17,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:17,768 INFO L87 Difference]: Start difference. First operand 2501 states and 3283 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:18,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:18,611 INFO L93 Difference]: Finished difference Result 7436 states and 9758 transitions. [2022-11-20 10:37:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:18,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 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 200 [2022-11-20 10:37:18,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:18,628 INFO L225 Difference]: With dead ends: 7436 [2022-11-20 10:37:18,628 INFO L226 Difference]: Without dead ends: 4937 [2022-11-20 10:37:18,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:18,633 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 204 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:18,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 126 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 10:37:18,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4937 states. [2022-11-20 10:37:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4937 to 4937. [2022-11-20 10:37:18,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 4936 states have (on average 1.200769854132901) internal successors, (5927), 4936 states have internal predecessors, (5927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 5927 transitions. [2022-11-20 10:37:18,764 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 5927 transitions. Word has length 200 [2022-11-20 10:37:18,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:18,765 INFO L495 AbstractCegarLoop]: Abstraction has 4937 states and 5927 transitions. [2022-11-20 10:37:18,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:18,765 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 5927 transitions. [2022-11-20 10:37:18,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-20 10:37:18,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:18,773 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:18,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 10:37:18,774 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:18,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:18,774 INFO L85 PathProgramCache]: Analyzing trace with hash 673023940, now seen corresponding path program 1 times [2022-11-20 10:37:18,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:18,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308529955] [2022-11-20 10:37:18,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:18,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:19,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:19,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308529955] [2022-11-20 10:37:19,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308529955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:19,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:19,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:37:19,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86332245] [2022-11-20 10:37:19,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:19,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:37:19,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:19,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:37:19,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:37:19,496 INFO L87 Difference]: Start difference. First operand 4937 states and 5927 transitions. Second operand has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:20,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:20,926 INFO L93 Difference]: Finished difference Result 11283 states and 13609 transitions. [2022-11-20 10:37:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:37:20,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 214 [2022-11-20 10:37:20,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:20,947 INFO L225 Difference]: With dead ends: 11283 [2022-11-20 10:37:20,947 INFO L226 Difference]: Without dead ends: 6174 [2022-11-20 10:37:20,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:37:20,954 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 193 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:20,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 118 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 10:37:20,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6174 states. [2022-11-20 10:37:21,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6174 to 6173. [2022-11-20 10:37:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6173 states, 6172 states have (on average 1.2025275437459495) internal successors, (7422), 6172 states have internal predecessors, (7422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6173 states to 6173 states and 7422 transitions. [2022-11-20 10:37:21,114 INFO L78 Accepts]: Start accepts. Automaton has 6173 states and 7422 transitions. Word has length 214 [2022-11-20 10:37:21,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:21,115 INFO L495 AbstractCegarLoop]: Abstraction has 6173 states and 7422 transitions. [2022-11-20 10:37:21,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.5) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:21,116 INFO L276 IsEmpty]: Start isEmpty. Operand 6173 states and 7422 transitions. [2022-11-20 10:37:21,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-20 10:37:21,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:21,129 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:21,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 10:37:21,129 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:21,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:21,130 INFO L85 PathProgramCache]: Analyzing trace with hash 873129007, now seen corresponding path program 1 times [2022-11-20 10:37:21,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:21,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873278034] [2022-11-20 10:37:21,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:21,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:21,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:21,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873278034] [2022-11-20 10:37:21,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873278034] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:37:21,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000695187] [2022-11-20 10:37:21,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:21,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:37:21,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:37:21,594 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:37:21,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:37:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:21,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:37:21,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:37:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-11-20 10:37:22,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:37:22,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000695187] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:22,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:37:22,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-20 10:37:22,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296684752] [2022-11-20 10:37:22,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:22,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:22,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:22,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:22,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:22,153 INFO L87 Difference]: Start difference. First operand 6173 states and 7422 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:23,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:23,047 INFO L93 Difference]: Finished difference Result 12357 states and 14866 transitions. [2022-11-20 10:37:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:23,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 221 [2022-11-20 10:37:23,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:23,073 INFO L225 Difference]: With dead ends: 12357 [2022-11-20 10:37:23,073 INFO L226 Difference]: Without dead ends: 6186 [2022-11-20 10:37:23,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:23,080 INFO L413 NwaCegarLoop]: 297 mSDtfsCounter, 41 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:23,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 312 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 10:37:23,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6186 states. [2022-11-20 10:37:23,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6186 to 6173. [2022-11-20 10:37:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6173 states, 6172 states have (on average 1.1926441996111472) internal successors, (7361), 6172 states have internal predecessors, (7361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6173 states to 6173 states and 7361 transitions. [2022-11-20 10:37:23,195 INFO L78 Accepts]: Start accepts. Automaton has 6173 states and 7361 transitions. Word has length 221 [2022-11-20 10:37:23,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:23,196 INFO L495 AbstractCegarLoop]: Abstraction has 6173 states and 7361 transitions. [2022-11-20 10:37:23,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 6173 states and 7361 transitions. [2022-11-20 10:37:23,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-11-20 10:37:23,205 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:23,205 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:23,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:37:23,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:37:23,412 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:23,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:23,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1157024437, now seen corresponding path program 1 times [2022-11-20 10:37:23,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:23,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877348780] [2022-11-20 10:37:23,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 10:37:23,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:23,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877348780] [2022-11-20 10:37:23,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877348780] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:37:23,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861182931] [2022-11-20 10:37:23,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:23,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:37:23,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:37:23,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:37:23,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:37:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:24,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:37:24,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:37:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 10:37:24,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:37:24,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861182931] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:24,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:37:24,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-20 10:37:24,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062043670] [2022-11-20 10:37:24,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:24,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:24,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:24,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:24,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:24,454 INFO L87 Difference]: Start difference. First operand 6173 states and 7361 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:25,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:25,293 INFO L93 Difference]: Finished difference Result 15595 states and 18915 transitions. [2022-11-20 10:37:25,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:25,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 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 227 [2022-11-20 10:37:25,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:25,338 INFO L225 Difference]: With dead ends: 15595 [2022-11-20 10:37:25,339 INFO L226 Difference]: Without dead ends: 9424 [2022-11-20 10:37:25,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:25,348 INFO L413 NwaCegarLoop]: 313 mSDtfsCounter, 36 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:25,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 334 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 10:37:25,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9424 states. [2022-11-20 10:37:25,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9424 to 9421. [2022-11-20 10:37:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9421 states, 9420 states have (on average 1.1491507430997876) internal successors, (10825), 9420 states have internal predecessors, (10825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9421 states to 9421 states and 10825 transitions. [2022-11-20 10:37:25,557 INFO L78 Accepts]: Start accepts. Automaton has 9421 states and 10825 transitions. Word has length 227 [2022-11-20 10:37:25,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:25,557 INFO L495 AbstractCegarLoop]: Abstraction has 9421 states and 10825 transitions. [2022-11-20 10:37:25,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:25,558 INFO L276 IsEmpty]: Start isEmpty. Operand 9421 states and 10825 transitions. [2022-11-20 10:37:25,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-20 10:37:25,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:25,572 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:25,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 10:37:25,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:37:25,778 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:25,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:25,779 INFO L85 PathProgramCache]: Analyzing trace with hash 768090626, now seen corresponding path program 1 times [2022-11-20 10:37:25,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:25,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14585843] [2022-11-20 10:37:25,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:25,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:26,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:26,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14585843] [2022-11-20 10:37:26,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14585843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:26,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:26,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:37:26,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634291641] [2022-11-20 10:37:26,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:26,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:26,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:26,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:26,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:26,535 INFO L87 Difference]: Start difference. First operand 9421 states and 10825 transitions. Second operand has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:27,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:27,374 INFO L93 Difference]: Finished difference Result 22527 states and 25784 transitions. [2022-11-20 10:37:27,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:27,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 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 246 [2022-11-20 10:37:27,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:27,395 INFO L225 Difference]: With dead ends: 22527 [2022-11-20 10:37:27,396 INFO L226 Difference]: Without dead ends: 13108 [2022-11-20 10:37:27,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:27,405 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 160 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:27,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 97 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:37:27,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13108 states. [2022-11-20 10:37:27,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13108 to 13102. [2022-11-20 10:37:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13102 states, 13101 states have (on average 1.1372414319517594) internal successors, (14899), 13101 states have internal predecessors, (14899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13102 states to 13102 states and 14899 transitions. [2022-11-20 10:37:27,671 INFO L78 Accepts]: Start accepts. Automaton has 13102 states and 14899 transitions. Word has length 246 [2022-11-20 10:37:27,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:27,671 INFO L495 AbstractCegarLoop]: Abstraction has 13102 states and 14899 transitions. [2022-11-20 10:37:27,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.0) internal successors, (246), 2 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 13102 states and 14899 transitions. [2022-11-20 10:37:27,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-20 10:37:27,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:27,689 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:27,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 10:37:27,689 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:27,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:27,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1718686317, now seen corresponding path program 1 times [2022-11-20 10:37:27,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:27,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943355759] [2022-11-20 10:37:27,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:27,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:28,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:28,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943355759] [2022-11-20 10:37:28,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943355759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:28,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:28,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:37:28,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178265999] [2022-11-20 10:37:28,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:28,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:37:28,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:28,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:37:28,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:37:28,444 INFO L87 Difference]: Start difference. First operand 13102 states and 14899 transitions. Second operand has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:29,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:29,848 INFO L93 Difference]: Finished difference Result 29872 states and 34069 transitions. [2022-11-20 10:37:29,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:37:29,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 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 253 [2022-11-20 10:37:29,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:29,876 INFO L225 Difference]: With dead ends: 29872 [2022-11-20 10:37:29,876 INFO L226 Difference]: Without dead ends: 16772 [2022-11-20 10:37:29,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:37:29,889 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 410 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:29,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 147 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1151 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 10:37:29,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16772 states. [2022-11-20 10:37:30,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16772 to 16760. [2022-11-20 10:37:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16760 states, 16759 states have (on average 1.1253654752670208) internal successors, (18860), 16759 states have internal predecessors, (18860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16760 states to 16760 states and 18860 transitions. [2022-11-20 10:37:30,230 INFO L78 Accepts]: Start accepts. Automaton has 16760 states and 18860 transitions. Word has length 253 [2022-11-20 10:37:30,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:30,231 INFO L495 AbstractCegarLoop]: Abstraction has 16760 states and 18860 transitions. [2022-11-20 10:37:30,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 16760 states and 18860 transitions. [2022-11-20 10:37:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-20 10:37:30,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:30,251 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:30,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 10:37:30,252 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:30,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:30,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1461981408, now seen corresponding path program 1 times [2022-11-20 10:37:30,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:30,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779530011] [2022-11-20 10:37:30,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:30,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 86 proven. 6 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-20 10:37:30,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:30,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779530011] [2022-11-20 10:37:30,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779530011] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:37:30,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934493223] [2022-11-20 10:37:30,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:30,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:37:30,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:37:30,779 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:37:30,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:37:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:31,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:37:31,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:37:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-11-20 10:37:31,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:37:31,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934493223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:31,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:37:31,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-20 10:37:31,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734955577] [2022-11-20 10:37:31,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:31,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:31,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:31,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:31,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:31,381 INFO L87 Difference]: Start difference. First operand 16760 states and 18860 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:32,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:32,399 INFO L93 Difference]: Finished difference Result 47754 states and 53741 transitions. [2022-11-20 10:37:32,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:32,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2022-11-20 10:37:32,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:32,463 INFO L225 Difference]: With dead ends: 47754 [2022-11-20 10:37:32,463 INFO L226 Difference]: Without dead ends: 31402 [2022-11-20 10:37:32,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:32,483 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 59 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:32,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 140 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 10:37:32,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31402 states. [2022-11-20 10:37:32,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31402 to 30790. [2022-11-20 10:37:33,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30790 states, 30789 states have (on average 1.1113059859040566) internal successors, (34216), 30789 states have internal predecessors, (34216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:33,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30790 states to 30790 states and 34216 transitions. [2022-11-20 10:37:33,171 INFO L78 Accepts]: Start accepts. Automaton has 30790 states and 34216 transitions. Word has length 271 [2022-11-20 10:37:33,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:33,172 INFO L495 AbstractCegarLoop]: Abstraction has 30790 states and 34216 transitions. [2022-11-20 10:37:33,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 30790 states and 34216 transitions. [2022-11-20 10:37:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-11-20 10:37:33,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:33,210 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:33,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:37:33,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 10:37:33,426 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:33,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:33,427 INFO L85 PathProgramCache]: Analyzing trace with hash 954656702, now seen corresponding path program 1 times [2022-11-20 10:37:33,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:33,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442421797] [2022-11-20 10:37:33,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:33,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:33,880 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:33,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:33,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442421797] [2022-11-20 10:37:33,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442421797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:33,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:33,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:37:33,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211052941] [2022-11-20 10:37:33,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:33,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:33,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:33,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:33,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:33,886 INFO L87 Difference]: Start difference. First operand 30790 states and 34216 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:34,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:34,917 INFO L93 Difference]: Finished difference Result 64624 states and 72301 transitions. [2022-11-20 10:37:34,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:34,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 279 [2022-11-20 10:37:34,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:34,974 INFO L225 Difference]: With dead ends: 64624 [2022-11-20 10:37:34,974 INFO L226 Difference]: Without dead ends: 34243 [2022-11-20 10:37:34,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:34,991 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 81 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:34,991 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 281 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 10:37:35,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34243 states. [2022-11-20 10:37:35,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34243 to 34240. [2022-11-20 10:37:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34240 states, 34239 states have (on average 1.1163877449691872) internal successors, (38224), 34239 states have internal predecessors, (38224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34240 states to 34240 states and 38224 transitions. [2022-11-20 10:37:35,661 INFO L78 Accepts]: Start accepts. Automaton has 34240 states and 38224 transitions. Word has length 279 [2022-11-20 10:37:35,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:35,662 INFO L495 AbstractCegarLoop]: Abstraction has 34240 states and 38224 transitions. [2022-11-20 10:37:35,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:35,662 INFO L276 IsEmpty]: Start isEmpty. Operand 34240 states and 38224 transitions. [2022-11-20 10:37:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-20 10:37:35,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:35,685 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:35,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 10:37:35,686 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:35,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:35,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1429597404, now seen corresponding path program 1 times [2022-11-20 10:37:35,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:35,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453410276] [2022-11-20 10:37:35,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:35,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-20 10:37:36,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:36,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453410276] [2022-11-20 10:37:36,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453410276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:36,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:36,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:37:36,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978613235] [2022-11-20 10:37:36,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:36,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:37:36,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:36,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:37:36,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:37:36,167 INFO L87 Difference]: Start difference. First operand 34240 states and 38224 transitions. Second operand has 4 states, 4 states have (on average 56.25) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:37,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:37,516 INFO L93 Difference]: Finished difference Result 112584 states and 125845 transitions. [2022-11-20 10:37:37,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:37:37,518 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.25) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 287 [2022-11-20 10:37:37,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:37,591 INFO L225 Difference]: With dead ends: 112584 [2022-11-20 10:37:37,591 INFO L226 Difference]: Without dead ends: 78754 [2022-11-20 10:37:37,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:37:37,622 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 722 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:37,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 315 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:37:37,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78754 states. [2022-11-20 10:37:38,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78754 to 69986. [2022-11-20 10:37:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69986 states, 69985 states have (on average 1.1139958562549117) internal successors, (77963), 69985 states have internal predecessors, (77963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:38,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69986 states to 69986 states and 77963 transitions. [2022-11-20 10:37:38,851 INFO L78 Accepts]: Start accepts. Automaton has 69986 states and 77963 transitions. Word has length 287 [2022-11-20 10:37:38,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:38,852 INFO L495 AbstractCegarLoop]: Abstraction has 69986 states and 77963 transitions. [2022-11-20 10:37:38,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.25) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 69986 states and 77963 transitions. [2022-11-20 10:37:38,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-20 10:37:38,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:38,895 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:38,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 10:37:38,895 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:38,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:38,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1094485198, now seen corresponding path program 1 times [2022-11-20 10:37:38,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:38,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949639026] [2022-11-20 10:37:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:38,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-11-20 10:37:40,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:40,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949639026] [2022-11-20 10:37:40,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949639026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:40,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:37:40,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:37:40,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140259284] [2022-11-20 10:37:40,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:40,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:40,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:40,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:40,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:40,137 INFO L87 Difference]: Start difference. First operand 69986 states and 77963 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 2 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:41,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:41,223 INFO L93 Difference]: Finished difference Result 140173 states and 156138 transitions. [2022-11-20 10:37:41,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:41,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 2 states have internal predecessors, (258), 0 states have call successors, (0), 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 320 [2022-11-20 10:37:41,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:41,280 INFO L225 Difference]: With dead ends: 140173 [2022-11-20 10:37:41,280 INFO L226 Difference]: Without dead ends: 70597 [2022-11-20 10:37:41,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:37:41,310 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 133 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:41,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 130 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:37:41,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70597 states. [2022-11-20 10:37:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70597 to 70595. [2022-11-20 10:37:42,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70595 states, 70594 states have (on average 1.1133240785335865) internal successors, (78594), 70594 states have internal predecessors, (78594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:42,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70595 states to 70595 states and 78594 transitions. [2022-11-20 10:37:42,261 INFO L78 Accepts]: Start accepts. Automaton has 70595 states and 78594 transitions. Word has length 320 [2022-11-20 10:37:42,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:42,261 INFO L495 AbstractCegarLoop]: Abstraction has 70595 states and 78594 transitions. [2022-11-20 10:37:42,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 2 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:42,261 INFO L276 IsEmpty]: Start isEmpty. Operand 70595 states and 78594 transitions. [2022-11-20 10:37:42,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-11-20 10:37:42,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:42,302 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:42,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 10:37:42,302 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:42,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:42,303 INFO L85 PathProgramCache]: Analyzing trace with hash -757730789, now seen corresponding path program 1 times [2022-11-20 10:37:42,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:42,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740161399] [2022-11-20 10:37:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:42,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 137 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:43,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:43,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740161399] [2022-11-20 10:37:43,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740161399] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:37:43,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124811104] [2022-11-20 10:37:43,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:43,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:37:43,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:37:43,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:37:43,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:37:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:43,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:37:43,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:37:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:37:43,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:37:43,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124811104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:43,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:37:43,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-20 10:37:43,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915588657] [2022-11-20 10:37:43,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:43,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:43,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:43,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:43,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:43,954 INFO L87 Difference]: Start difference. First operand 70595 states and 78594 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:44,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:44,964 INFO L93 Difference]: Finished difference Result 127148 states and 141043 transitions. [2022-11-20 10:37:44,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:44,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 321 [2022-11-20 10:37:44,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:45,036 INFO L225 Difference]: With dead ends: 127148 [2022-11-20 10:37:45,036 INFO L226 Difference]: Without dead ends: 57572 [2022-11-20 10:37:45,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:45,068 INFO L413 NwaCegarLoop]: 279 mSDtfsCounter, 200 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:45,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 299 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:37:45,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57572 states. [2022-11-20 10:37:46,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57572 to 57362. [2022-11-20 10:37:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57362 states, 57361 states have (on average 1.0941057512944334) internal successors, (62759), 57361 states have internal predecessors, (62759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57362 states to 57362 states and 62759 transitions. [2022-11-20 10:37:46,139 INFO L78 Accepts]: Start accepts. Automaton has 57362 states and 62759 transitions. Word has length 321 [2022-11-20 10:37:46,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:46,139 INFO L495 AbstractCegarLoop]: Abstraction has 57362 states and 62759 transitions. [2022-11-20 10:37:46,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 57362 states and 62759 transitions. [2022-11-20 10:37:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-11-20 10:37:46,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:37:46,165 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:46,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-20 10:37:46,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 10:37:46,366 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:37:46,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:37:46,366 INFO L85 PathProgramCache]: Analyzing trace with hash 197966752, now seen corresponding path program 1 times [2022-11-20 10:37:46,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:37:46,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130922143] [2022-11-20 10:37:46,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:46,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:37:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 10:37:47,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:37:47,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130922143] [2022-11-20 10:37:47,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130922143] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:37:47,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520086196] [2022-11-20 10:37:47,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:37:47,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:37:47,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:37:47,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:37:47,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 10:37:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:37:47,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:37:47,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:37:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-20 10:37:47,523 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:37:47,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520086196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:37:47,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:37:47,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-11-20 10:37:47,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178325717] [2022-11-20 10:37:47,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:37:47,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:37:47,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:37:47,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:37:47,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:47,526 INFO L87 Difference]: Start difference. First operand 57362 states and 62759 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:48,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:37:48,719 INFO L93 Difference]: Finished difference Result 130990 states and 143629 transitions. [2022-11-20 10:37:48,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:37:48,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 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 322 [2022-11-20 10:37:48,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:37:48,721 INFO L225 Difference]: With dead ends: 130990 [2022-11-20 10:37:48,721 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:37:48,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:37:48,754 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 46 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:37:48,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 340 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:37:48,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:37:48,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:37:48,756 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) [2022-11-20 10:37:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:37:48,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 322 [2022-11-20 10:37:48,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:37:48,757 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:37:48,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:37:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:37:48,757 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:37:48,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:37:48,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:37:48,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-20 10:37:48,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:37:59,171 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-20 10:37:59,171 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-11-20 10:37:59,172 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,172 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-11-20 10:37:59,172 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,172 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,172 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,173 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,173 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,173 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,173 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,173 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,173 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,173 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,173 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-11-20 10:37:59,174 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-11-20 10:37:59,174 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-11-20 10:37:59,174 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,174 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-11-20 10:37:59,174 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-11-20 10:37:59,174 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,175 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,175 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,175 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,175 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,175 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,175 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,176 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,176 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,176 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-20 10:37:59,176 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-20 10:37:59,176 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-11-20 10:37:59,176 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,177 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,177 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,177 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,177 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,177 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,177 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-20 10:37:59,178 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-11-20 10:37:59,178 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,178 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-11-20 10:37:59,178 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,178 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-11-20 10:37:59,178 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-11-20 10:37:59,179 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,179 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,179 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,179 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,179 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,179 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,180 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,180 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-11-20 10:37:59,180 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,180 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-11-20 10:37:59,180 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-11-20 10:37:59,180 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,181 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,181 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,181 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,181 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-11-20 10:37:59,181 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-11-20 10:37:59,181 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,182 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,182 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,182 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,182 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,182 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,182 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,183 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,183 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,183 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,183 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-20 10:37:59,183 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-11-20 10:37:59,183 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-11-20 10:37:59,184 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,184 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,184 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,184 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,184 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,184 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,184 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-11-20 10:37:59,185 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-11-20 10:37:59,185 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-11-20 10:37:59,185 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,185 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,185 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,185 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,186 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,186 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,186 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-11-20 10:37:59,186 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-20 10:37:59,186 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-11-20 10:37:59,187 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,187 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,187 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,187 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-11-20 10:37:59,187 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,187 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-11-20 10:37:59,188 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:37:59,188 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,188 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,188 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-11-20 10:37:59,188 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-11-20 10:37:59,188 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,189 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,189 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,189 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,189 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,189 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,189 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,190 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-11-20 10:37:59,190 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-11-20 10:37:59,190 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-11-20 10:37:59,190 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-11-20 10:37:59,190 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-11-20 10:37:59,190 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,191 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,191 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,191 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,191 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,191 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,192 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,192 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,192 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,192 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,192 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-11-20 10:37:59,192 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-20 10:37:59,193 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-11-20 10:37:59,193 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,193 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,193 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,193 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,193 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,194 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,194 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,194 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,194 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,194 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:37:59,194 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1594) no Hoare annotation was computed. [2022-11-20 10:37:59,195 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-11-20 10:37:59,195 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-11-20 10:37:59,195 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-11-20 10:37:59,195 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-11-20 10:37:59,195 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-11-20 10:37:59,195 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,196 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,196 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,196 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,196 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,196 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,196 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,197 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,197 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-11-20 10:37:59,197 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-20 10:37:59,197 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-11-20 10:37:59,197 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,197 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,198 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,198 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-11-20 10:37:59,198 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-11-20 10:37:59,198 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,198 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,198 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,199 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-11-20 10:37:59,199 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,199 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-11-20 10:37:59,199 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,199 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-11-20 10:37:59,199 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,200 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,200 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-11-20 10:37:59,200 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-11-20 10:37:59,200 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-11-20 10:37:59,200 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-11-20 10:37:59,200 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-11-20 10:37:59,201 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-11-20 10:37:59,201 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-11-20 10:37:59,201 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,201 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,201 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,202 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse8 (= ~a26~0 1)) (.cse13 (= ~a11~0 0)) (.cse12 (<= ~a6~0 0)) (.cse11 (<= ~a3~0 0)) (.cse7 (= ~a12~0 1)) (.cse9 (= ~a3~0 1)) (.cse1 (= ~a29~0 1)) (.cse10 (= ~a27~0 1)) (.cse3 (not (= ~a11~0 1))) (.cse6 (= 2 ~a3~0)) (.cse0 (= ~a5~0 1)) (.cse2 (= ~a12~0 0)) (.cse4 (= ~a18~0 1)) (.cse5 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse4 .cse5) (and .cse8 .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse7 (= ~a12~0 ~a11~0) .cse9 (= ~a26~0 ~a11~0) .cse10 .cse4) (and .cse0 .cse11 .cse2 .cse10 .cse4) (and .cse0 .cse7 .cse11 .cse4 .cse5) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse4) (and .cse8 .cse0 .cse7 .cse9 .cse1 .cse10 .cse4) (and .cse0 .cse7 .cse9 .cse4 .cse5) (and .cse0 .cse2 .cse10 .cse4 .cse12) (and .cse0 .cse13 .cse2 .cse10 .cse4) (and .cse0 .cse13 .cse2 .cse4 .cse5) (and .cse8 .cse0 .cse7 .cse13 .cse10 .cse4) (and .cse0 .cse2 .cse4 .cse5 .cse12) (and .cse0 .cse7 .cse11 .cse10 .cse4) (and .cse6 .cse0 .cse2 .cse10 .cse4) (and .cse6 .cse0 .cse7 .cse10 .cse4) (and .cse0 .cse9 .cse1 .cse2 .cse10 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse4 .cse5))) [2022-11-20 10:37:59,202 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,203 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,203 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,203 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-11-20 10:37:59,203 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-11-20 10:37:59,203 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,204 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,204 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,204 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-11-20 10:37:59,204 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,204 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,205 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,205 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,205 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,205 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,205 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-11-20 10:37:59,205 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-11-20 10:37:59,206 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,206 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,206 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,206 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,206 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,206 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,206 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,207 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,207 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,207 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-20 10:37:59,207 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-11-20 10:37:59,207 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,207 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,208 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-11-20 10:37:59,208 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-11-20 10:37:59,208 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,209 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse8 (= ~a26~0 1)) (.cse13 (= ~a11~0 0)) (.cse12 (<= ~a6~0 0)) (.cse11 (<= ~a3~0 0)) (.cse7 (= ~a12~0 1)) (.cse9 (= ~a3~0 1)) (.cse1 (= ~a29~0 1)) (.cse10 (= ~a27~0 1)) (.cse3 (not (= ~a11~0 1))) (.cse6 (= 2 ~a3~0)) (.cse0 (= ~a5~0 1)) (.cse2 (= ~a12~0 0)) (.cse4 (= ~a18~0 1)) (.cse5 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse4 .cse5) (and .cse8 .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse7 (= ~a12~0 ~a11~0) .cse9 (= ~a26~0 ~a11~0) .cse10 .cse4) (and .cse0 .cse11 .cse2 .cse10 .cse4) (and .cse0 .cse7 .cse11 .cse4 .cse5) (and .cse8 .cse0 .cse9 .cse2 .cse10 .cse4) (and .cse8 .cse0 .cse7 .cse9 .cse1 .cse10 .cse4) (and .cse0 .cse7 .cse9 .cse4 .cse5) (and .cse0 .cse2 .cse10 .cse4 .cse12) (and .cse0 .cse13 .cse2 .cse10 .cse4) (and .cse0 .cse13 .cse2 .cse4 .cse5) (and .cse8 .cse0 .cse7 .cse13 .cse10 .cse4) (and .cse0 .cse2 .cse4 .cse5 .cse12) (and .cse0 .cse7 .cse11 .cse10 .cse4) (and .cse6 .cse0 .cse2 .cse10 .cse4) (and .cse6 .cse0 .cse7 .cse10 .cse4) (and .cse0 .cse9 .cse1 .cse2 .cse10 .cse3 .cse4) (and .cse6 .cse0 .cse2 .cse4 .cse5))) [2022-11-20 10:37:59,209 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,209 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,209 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,209 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,209 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-11-20 10:37:59,210 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-11-20 10:37:59,210 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,210 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,210 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,210 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,210 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,211 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,211 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,211 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:37:59,211 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-11-20 10:37:59,211 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-11-20 10:37:59,212 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-11-20 10:37:59,212 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,212 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-11-20 10:37:59,212 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,212 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,212 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-11-20 10:37:59,213 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,213 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,213 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,213 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,213 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,213 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-11-20 10:37:59,214 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,214 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-20 10:37:59,214 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-11-20 10:37:59,214 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-11-20 10:37:59,214 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,214 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,215 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,215 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,215 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,215 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,215 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,216 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,216 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-11-20 10:37:59,216 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-11-20 10:37:59,216 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,216 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,216 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-20 10:37:59,217 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-11-20 10:37:59,217 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-11-20 10:37:59,217 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,217 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,217 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,217 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,218 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,218 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:37:59,218 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,218 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,218 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,218 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,219 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,219 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,219 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-11-20 10:37:59,219 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-11-20 10:37:59,219 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-11-20 10:37:59,219 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,220 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,220 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,220 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,220 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,220 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,220 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,221 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-11-20 10:37:59,221 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-11-20 10:37:59,221 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,221 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-11-20 10:37:59,221 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-11-20 10:37:59,221 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-11-20 10:37:59,221 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,222 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,222 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,222 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,222 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-11-20 10:37:59,222 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-11-20 10:37:59,222 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-11-20 10:37:59,223 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,223 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,223 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-11-20 10:37:59,226 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:37:59,229 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:37:59,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:37:59 BoogieIcfgContainer [2022-11-20 10:37:59,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:37:59,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:37:59,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:37:59,253 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:37:59,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:37:08" (3/4) ... [2022-11-20 10:37:59,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:37:59,285 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 10:37:59,287 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 10:37:59,290 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 10:37:59,292 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:37:59,484 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:37:59,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:37:59,485 INFO L158 Benchmark]: Toolchain (without parser) took 54919.68ms. Allocated memory was 184.5MB in the beginning and 10.2GB in the end (delta: 10.0GB). Free memory was 145.8MB in the beginning and 8.1GB in the end (delta: -7.9GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-11-20 10:37:59,486 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:37:59,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1160.07ms. Allocated memory is still 184.5MB. Free memory was 145.8MB in the beginning and 99.5MB in the end (delta: 46.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 10:37:59,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.71ms. Allocated memory is still 184.5MB. Free memory was 99.5MB in the beginning and 84.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:37:59,487 INFO L158 Benchmark]: Boogie Preprocessor took 111.74ms. Allocated memory is still 184.5MB. Free memory was 84.9MB in the beginning and 74.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:37:59,487 INFO L158 Benchmark]: RCFGBuilder took 2294.81ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 74.4MB in the beginning and 156.5MB in the end (delta: -82.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-11-20 10:37:59,487 INFO L158 Benchmark]: TraceAbstraction took 50954.09ms. Allocated memory was 222.3MB in the beginning and 10.2GB in the end (delta: 9.9GB). Free memory was 155.5MB in the beginning and 8.1GB in the end (delta: -7.9GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-11-20 10:37:59,488 INFO L158 Benchmark]: Witness Printer took 231.14ms. Allocated memory is still 10.2GB. Free memory was 8.1GB in the beginning and 8.1GB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 10:37:59,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1160.07ms. Allocated memory is still 184.5MB. Free memory was 145.8MB in the beginning and 99.5MB in the end (delta: 46.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.71ms. Allocated memory is still 184.5MB. Free memory was 99.5MB in the beginning and 84.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.74ms. Allocated memory is still 184.5MB. Free memory was 84.9MB in the beginning and 74.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2294.81ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 74.4MB in the beginning and 156.5MB in the end (delta: -82.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * TraceAbstraction took 50954.09ms. Allocated memory was 222.3MB in the beginning and 10.2GB in the end (delta: 9.9GB). Free memory was 155.5MB in the beginning and 8.1GB in the end (delta: -7.9GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Witness Printer took 231.14ms. Allocated memory is still 10.2GB. Free memory was 8.1GB in the beginning and 8.1GB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1594]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.9s, OverallIterations: 17, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3446 SdHoareTripleChecker+Valid, 15.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3446 mSDsluCounter, 3194 SdHoareTripleChecker+Invalid, 12.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 572 mSDsCounter, 1599 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10957 IncrementalHoareTripleChecker+Invalid, 12556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1599 mSolverCounterUnsat, 2622 mSDtfsCounter, 10957 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1401 GetRequests, 1370 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70595occurred in iteration=15, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 9658 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 473 NumberOfFragments, 669 HoareAnnotationTreeSize, 3 FomulaSimplifications, 926 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 12018 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 5480 NumberOfCodeBlocks, 5480 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5458 ConstructedInterpolants, 0 QuantifiedInterpolants, 20705 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2593 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 22 InterpolantComputations, 17 PerfectInterpolantSequences, 1992/2057 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a5 == 1 && a29 == 1) && a12 == 0) && !(a11 == 1)) && a18 == 1) && a27 <= 0) || ((((2 == a3 && a5 == 1) && a12 == 1) && a18 == 1) && a27 <= 0)) || ((((a26 == 1 && a5 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a12 == a11) && a3 == 1) && a26 == a11) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a3 <= 0) && a12 == 0) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a12 == 1) && a3 <= 0) && a18 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 1) && a29 == 1) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a12 == 1) && a3 == 1) && a18 == 1) && a27 <= 0)) || ((((a5 == 1 && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((a5 == 1 && a11 == 0) && a12 == 0) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a11 == 0) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a3 <= 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a12 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 == 1) && a29 == 1) && a12 == 0) && a27 == 1) && !(a11 == 1)) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a5 == 1 && a29 == 1) && a12 == 0) && !(a11 == 1)) && a18 == 1) && a27 <= 0) || ((((2 == a3 && a5 == 1) && a12 == 1) && a18 == 1) && a27 <= 0)) || ((((a26 == 1 && a5 == 1) && a12 == 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a12 == a11) && a3 == 1) && a26 == a11) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a3 <= 0) && a12 == 0) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a12 == 1) && a3 <= 0) && a18 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a3 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 == 1) && a29 == 1) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a12 == 1) && a3 == 1) && a18 == 1) && a27 <= 0)) || ((((a5 == 1 && a12 == 0) && a27 == 1) && a18 == 1) && a6 <= 0)) || ((((a5 == 1 && a11 == 0) && a12 == 0) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a11 == 0) && a12 == 0) && a18 == 1) && a27 <= 0)) || (((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a12 == 0) && a18 == 1) && a27 <= 0) && a6 <= 0)) || ((((a5 == 1 && a12 == 1) && a3 <= 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a12 == 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a12 == 1) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 == 1) && a29 == 1) && a12 == 0) && a27 == 1) && !(a11 == 1)) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a12 == 0) && a18 == 1) && a27 <= 0) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:37:59,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080c426a-9f24-4658-8782-23529fdae9b7/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE