./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8 --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 2521d3888c3910ac16b8a52868332f768d7d80524e896b9e06e11f157c249614 --- 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-2329fc7 [2022-12-13 17:15:22,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:15:22,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:15:22,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:15:22,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:15:22,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:15:22,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:15:22,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:15:22,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:15:22,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:15:22,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:15:22,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:15:22,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:15:22,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:15:22,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:15:22,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:15:22,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:15:22,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:15:22,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:15:22,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:15:22,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:15:22,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:15:22,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:15:22,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:15:22,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:15:22,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:15:22,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:15:22,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:15:22,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:15:22,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:15:22,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:15:22,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:15:22,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:15:22,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:15:22,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:15:22,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:15:22,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:15:22,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:15:22,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:15:22,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:15:22,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:15:22,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 17:15:22,131 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:15:22,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:15:22,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:15:22,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:15:22,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:15:22,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:15:22,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:15:22,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:15:22,133 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:15:22,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:15:22,134 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:15:22,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:15:22,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:15:22,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:15:22,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:15:22,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:15:22,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:15:22,134 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:15:22,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:15:22,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:15:22,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:15:22,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:15:22,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:15:22,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:15:22,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:15:22,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:15:22,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:15:22,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:15:22,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:15:22,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:15:22,136 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:15:22,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:15:22,136 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:15:22,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:15:22,136 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:15:22,136 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2521d3888c3910ac16b8a52868332f768d7d80524e896b9e06e11f157c249614 [2022-12-13 17:15:22,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:15:22,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:15:22,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:15:22,335 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:15:22,335 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:15:22,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem11_label11.c [2022-12-13 17:15:24,939 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:15:25,181 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:15:25,182 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/sv-benchmarks/c/eca-rers2012/Problem11_label11.c [2022-12-13 17:15:25,194 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/data/992c84ff8/f33f8cbec1a846d29eec6e9bcf48f9a7/FLAG24041344f [2022-12-13 17:15:25,208 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/data/992c84ff8/f33f8cbec1a846d29eec6e9bcf48f9a7 [2022-12-13 17:15:25,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:15:25,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:15:25,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:15:25,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:15:25,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:15:25,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:25,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11052fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25, skipping insertion in model container [2022-12-13 17:15:25,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:25,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:15:25,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:15:25,447 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_098713f1-7156-4362-bf9a-220f6df452a8/sv-benchmarks/c/eca-rers2012/Problem11_label11.c[8791,8804] [2022-12-13 17:15:25,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:15:25,633 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:15:25,662 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_098713f1-7156-4362-bf9a-220f6df452a8/sv-benchmarks/c/eca-rers2012/Problem11_label11.c[8791,8804] [2022-12-13 17:15:25,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:15:25,787 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:15:25,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25 WrapperNode [2022-12-13 17:15:25,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:15:25,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:15:25,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:15:25,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:15:25,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:25,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:25,924 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-13 17:15:25,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:15:25,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:15:25,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:15:25,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:15:25,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:25,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:25,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:25,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:25,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:25,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:26,000 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:26,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:26,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:15:26,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:15:26,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:15:26,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:15:26,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (1/1) ... [2022-12-13 17:15:26,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:15:26,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:15:26,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:15:26,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:15:26,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:15:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:15:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:15:26,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:15:26,143 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:15:26,144 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:15:27,357 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:15:27,365 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:15:27,365 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 17:15:27,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:15:27 BoogieIcfgContainer [2022-12-13 17:15:27,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:15:27,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:15:27,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:15:27,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:15:27,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:15:25" (1/3) ... [2022-12-13 17:15:27,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b68034e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:15:27, skipping insertion in model container [2022-12-13 17:15:27,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:15:25" (2/3) ... [2022-12-13 17:15:27,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b68034e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:15:27, skipping insertion in model container [2022-12-13 17:15:27,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:15:27" (3/3) ... [2022-12-13 17:15:27,373 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label11.c [2022-12-13 17:15:27,387 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:15:27,388 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:15:27,445 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:15:27,451 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;@1087bc50, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:15:27,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:15:27,457 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-13 17:15:27,467 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:27,468 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] [2022-12-13 17:15:27,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:27,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2022-12-13 17:15:27,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:27,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305425354] [2022-12-13 17:15:27,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:27,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:27,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:15:27,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:27,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305425354] [2022-12-13 17:15:27,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305425354] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:27,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:27,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:15:27,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564490263] [2022-12-13 17:15:27,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:27,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:27,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:27,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:27,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:27,850 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:28,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:28,753 INFO L93 Difference]: Finished difference Result 769 states and 1360 transitions. [2022-12-13 17:15:28,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:28,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-12-13 17:15:28,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:28,770 INFO L225 Difference]: With dead ends: 769 [2022-12-13 17:15:28,770 INFO L226 Difference]: Without dead ends: 422 [2022-12-13 17:15:28,773 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 [2022-12-13 17:15:28,775 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 179 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:28,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 163 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 17:15:28,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-12-13 17:15:28,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 412. [2022-12-13 17:15:28,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 411 states have (on average 1.5231143552311435) internal successors, (626), 411 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:28,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 626 transitions. [2022-12-13 17:15:28,833 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 626 transitions. Word has length 61 [2022-12-13 17:15:28,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:28,833 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 626 transitions. [2022-12-13 17:15:28,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:28,833 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 626 transitions. [2022-12-13 17:15:28,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-13 17:15:28,835 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:28,836 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:28,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:15:28,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:28,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:28,837 INFO L85 PathProgramCache]: Analyzing trace with hash -622668213, now seen corresponding path program 1 times [2022-12-13 17:15:28,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:28,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784893544] [2022-12-13 17:15:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:28,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:15:28,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:28,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784893544] [2022-12-13 17:15:28,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784893544] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:28,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:28,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:15:28,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163934827] [2022-12-13 17:15:28,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:28,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:28,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:28,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:28,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:28,991 INFO L87 Difference]: Start difference. First operand 412 states and 626 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:29,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:29,658 INFO L93 Difference]: Finished difference Result 1194 states and 1821 transitions. [2022-12-13 17:15:29,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:29,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-12-13 17:15:29,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:29,661 INFO L225 Difference]: With dead ends: 1194 [2022-12-13 17:15:29,661 INFO L226 Difference]: Without dead ends: 784 [2022-12-13 17:15:29,663 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 [2022-12-13 17:15:29,664 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 175 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:29,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 154 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 17:15:29,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2022-12-13 17:15:29,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2022-12-13 17:15:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 783 states have (on average 1.3742017879948913) internal successors, (1076), 783 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:29,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1076 transitions. [2022-12-13 17:15:29,688 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1076 transitions. Word has length 127 [2022-12-13 17:15:29,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:29,689 INFO L495 AbstractCegarLoop]: Abstraction has 784 states and 1076 transitions. [2022-12-13 17:15:29,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:29,689 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1076 transitions. [2022-12-13 17:15:29,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-13 17:15:29,692 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:29,693 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:29,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 17:15:29,693 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:29,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:29,694 INFO L85 PathProgramCache]: Analyzing trace with hash 834203477, now seen corresponding path program 1 times [2022-12-13 17:15:29,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:29,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092691947] [2022-12-13 17:15:29,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:29,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:15:29,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:29,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092691947] [2022-12-13 17:15:29,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092691947] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:29,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:29,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:15:29,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107376719] [2022-12-13 17:15:29,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:29,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:29,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:29,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:29,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:29,930 INFO L87 Difference]: Start difference. First operand 784 states and 1076 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:30,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:30,631 INFO L93 Difference]: Finished difference Result 1936 states and 2599 transitions. [2022-12-13 17:15:30,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:30,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 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 131 [2022-12-13 17:15:30,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:30,635 INFO L225 Difference]: With dead ends: 1936 [2022-12-13 17:15:30,635 INFO L226 Difference]: Without dead ends: 1154 [2022-12-13 17:15:30,637 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 [2022-12-13 17:15:30,638 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:30,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:15:30,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2022-12-13 17:15:30,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1153. [2022-12-13 17:15:30,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1153 states, 1152 states have (on average 1.2699652777777777) internal successors, (1463), 1152 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 1463 transitions. [2022-12-13 17:15:30,664 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 1463 transitions. Word has length 131 [2022-12-13 17:15:30,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:30,665 INFO L495 AbstractCegarLoop]: Abstraction has 1153 states and 1463 transitions. [2022-12-13 17:15:30,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:30,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1463 transitions. [2022-12-13 17:15:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-13 17:15:30,668 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:30,668 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:30,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 17:15:30,669 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:30,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:30,669 INFO L85 PathProgramCache]: Analyzing trace with hash 461291020, now seen corresponding path program 1 times [2022-12-13 17:15:30,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:30,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827750444] [2022-12-13 17:15:30,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:30,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:30,930 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:15:30,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:30,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827750444] [2022-12-13 17:15:30,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827750444] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:30,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:30,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:30,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700054066] [2022-12-13 17:15:30,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:30,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:30,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:30,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:30,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:30,933 INFO L87 Difference]: Start difference. First operand 1153 states and 1463 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:31,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:31,640 INFO L93 Difference]: Finished difference Result 2679 states and 3481 transitions. [2022-12-13 17:15:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:31,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 173 [2022-12-13 17:15:31,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:31,643 INFO L225 Difference]: With dead ends: 2679 [2022-12-13 17:15:31,644 INFO L226 Difference]: Without dead ends: 1712 [2022-12-13 17:15:31,644 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 [2022-12-13 17:15:31,645 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 145 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:31,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 332 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:15:31,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states. [2022-12-13 17:15:31,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1521. [2022-12-13 17:15:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1520 states have (on average 1.255921052631579) internal successors, (1909), 1520 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:31,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 1909 transitions. [2022-12-13 17:15:31,664 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 1909 transitions. Word has length 173 [2022-12-13 17:15:31,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:31,665 INFO L495 AbstractCegarLoop]: Abstraction has 1521 states and 1909 transitions. [2022-12-13 17:15:31,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:31,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1909 transitions. [2022-12-13 17:15:31,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-12-13 17:15:31,667 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:31,667 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, 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] [2022-12-13 17:15:31,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 17:15:31,668 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:31,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:31,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1875503464, now seen corresponding path program 1 times [2022-12-13 17:15:31,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:31,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572098535] [2022-12-13 17:15:31,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:31,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:31,942 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-13 17:15:31,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:31,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572098535] [2022-12-13 17:15:31,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572098535] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:31,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:31,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:31,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310281174] [2022-12-13 17:15:31,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:31,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:31,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:31,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:31,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:31,945 INFO L87 Difference]: Start difference. First operand 1521 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:32,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:32,709 INFO L93 Difference]: Finished difference Result 3970 states and 4986 transitions. [2022-12-13 17:15:32,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:32,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 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 243 [2022-12-13 17:15:32,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:32,723 INFO L225 Difference]: With dead ends: 3970 [2022-12-13 17:15:32,724 INFO L226 Difference]: Without dead ends: 2451 [2022-12-13 17:15:32,726 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 [2022-12-13 17:15:32,727 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 180 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:32,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 159 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:15:32,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2451 states. [2022-12-13 17:15:32,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2451 to 2450. [2022-12-13 17:15:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2450 states, 2449 states have (on average 1.2339730502245814) internal successors, (3022), 2449 states have internal predecessors, (3022), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:32,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2450 states and 3022 transitions. [2022-12-13 17:15:32,757 INFO L78 Accepts]: Start accepts. Automaton has 2450 states and 3022 transitions. Word has length 243 [2022-12-13 17:15:32,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:32,757 INFO L495 AbstractCegarLoop]: Abstraction has 2450 states and 3022 transitions. [2022-12-13 17:15:32,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 3022 transitions. [2022-12-13 17:15:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-12-13 17:15:32,761 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:32,761 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, 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] [2022-12-13 17:15:32,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 17:15:32,761 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:32,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:32,761 INFO L85 PathProgramCache]: Analyzing trace with hash -575038418, now seen corresponding path program 1 times [2022-12-13 17:15:32,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:32,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057085220] [2022-12-13 17:15:32,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:32,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-13 17:15:32,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:32,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057085220] [2022-12-13 17:15:32,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057085220] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:32,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:32,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:32,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450799234] [2022-12-13 17:15:32,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:32,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:32,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:32,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:32,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:32,973 INFO L87 Difference]: Start difference. First operand 2450 states and 3022 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:33,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:33,661 INFO L93 Difference]: Finished difference Result 5638 states and 7017 transitions. [2022-12-13 17:15:33,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:33,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 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 280 [2022-12-13 17:15:33,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:33,667 INFO L225 Difference]: With dead ends: 5638 [2022-12-13 17:15:33,667 INFO L226 Difference]: Without dead ends: 3190 [2022-12-13 17:15:33,669 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 [2022-12-13 17:15:33,670 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 140 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:33,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 378 Invalid, 670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:15:33,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2022-12-13 17:15:33,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 2630. [2022-12-13 17:15:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2630 states, 2629 states have (on average 1.2286040319513123) internal successors, (3230), 2629 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:33,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 3230 transitions. [2022-12-13 17:15:33,732 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 3230 transitions. Word has length 280 [2022-12-13 17:15:33,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:33,733 INFO L495 AbstractCegarLoop]: Abstraction has 2630 states and 3230 transitions. [2022-12-13 17:15:33,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:33,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 3230 transitions. [2022-12-13 17:15:33,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-12-13 17:15:33,741 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:33,741 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 17:15:33,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 17:15:33,742 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:33,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:33,742 INFO L85 PathProgramCache]: Analyzing trace with hash 94013981, now seen corresponding path program 1 times [2022-12-13 17:15:33,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:33,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181163253] [2022-12-13 17:15:33,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:33,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:15:33,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:33,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181163253] [2022-12-13 17:15:33,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181163253] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:33,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:33,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:33,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444885198] [2022-12-13 17:15:33,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:33,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:15:33,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:33,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:15:33,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:15:33,995 INFO L87 Difference]: Start difference. First operand 2630 states and 3230 transitions. Second operand has 4 states, 4 states have (on average 80.25) 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) [2022-12-13 17:15:35,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:35,284 INFO L93 Difference]: Finished difference Result 8042 states and 9930 transitions. [2022-12-13 17:15:35,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:15:35,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 80.25) 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 [2022-12-13 17:15:35,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:35,310 INFO L225 Difference]: With dead ends: 8042 [2022-12-13 17:15:35,310 INFO L226 Difference]: Without dead ends: 5414 [2022-12-13 17:15:35,314 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 [2022-12-13 17:15:35,315 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 230 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 1276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:35,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 91 Invalid, 1276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-13 17:15:35,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5414 states. [2022-12-13 17:15:35,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5414 to 5227. [2022-12-13 17:15:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5227 states, 5226 states have (on average 1.2085725220053578) internal successors, (6316), 5226 states have internal predecessors, (6316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 6316 transitions. [2022-12-13 17:15:35,383 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 6316 transitions. Word has length 321 [2022-12-13 17:15:35,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:35,383 INFO L495 AbstractCegarLoop]: Abstraction has 5227 states and 6316 transitions. [2022-12-13 17:15:35,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.25) 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) [2022-12-13 17:15:35,384 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 6316 transitions. [2022-12-13 17:15:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-12-13 17:15:35,387 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:35,388 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:35,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 17:15:35,388 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:35,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:35,388 INFO L85 PathProgramCache]: Analyzing trace with hash 471217609, now seen corresponding path program 1 times [2022-12-13 17:15:35,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:35,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393059961] [2022-12-13 17:15:35,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:35,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-12-13 17:15:35,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:35,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393059961] [2022-12-13 17:15:35,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393059961] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:35,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:35,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:35,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483890830] [2022-12-13 17:15:35,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:35,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:35,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:35,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:35,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:35,565 INFO L87 Difference]: Start difference. First operand 5227 states and 6316 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:36,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:36,133 INFO L93 Difference]: Finished difference Result 10081 states and 12247 transitions. [2022-12-13 17:15:36,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:36,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 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 367 [2022-12-13 17:15:36,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:36,143 INFO L225 Difference]: With dead ends: 10081 [2022-12-13 17:15:36,143 INFO L226 Difference]: Without dead ends: 5224 [2022-12-13 17:15:36,145 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 [2022-12-13 17:15:36,146 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 151 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:36,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 304 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 17:15:36,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5224 states. [2022-12-13 17:15:36,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5224 to 5223. [2022-12-13 17:15:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5223 states, 5222 states have (on average 1.1721562619685943) internal successors, (6121), 5222 states have internal predecessors, (6121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:36,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 5223 states and 6121 transitions. [2022-12-13 17:15:36,248 INFO L78 Accepts]: Start accepts. Automaton has 5223 states and 6121 transitions. Word has length 367 [2022-12-13 17:15:36,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:36,248 INFO L495 AbstractCegarLoop]: Abstraction has 5223 states and 6121 transitions. [2022-12-13 17:15:36,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 6121 transitions. [2022-12-13 17:15:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-12-13 17:15:36,255 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:36,255 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-12-13 17:15:36,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 17:15:36,255 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:36,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:36,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1789756958, now seen corresponding path program 1 times [2022-12-13 17:15:36,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:36,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17122397] [2022-12-13 17:15:36,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:36,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-13 17:15:36,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:36,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17122397] [2022-12-13 17:15:36,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17122397] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:36,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:36,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:36,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848191160] [2022-12-13 17:15:36,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:36,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:36,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:36,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:36,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:36,484 INFO L87 Difference]: Start difference. First operand 5223 states and 6121 transitions. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:37,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:37,214 INFO L93 Difference]: Finished difference Result 11741 states and 13889 transitions. [2022-12-13 17:15:37,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:37,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 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 372 [2022-12-13 17:15:37,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:37,224 INFO L225 Difference]: With dead ends: 11741 [2022-12-13 17:15:37,224 INFO L226 Difference]: Without dead ends: 6888 [2022-12-13 17:15:37,227 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 [2022-12-13 17:15:37,227 INFO L413 NwaCegarLoop]: 335 mSDtfsCounter, 118 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:37,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 362 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:15:37,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6888 states. [2022-12-13 17:15:37,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6888 to 6700. [2022-12-13 17:15:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6700 states, 6699 states have (on average 1.1576354679802956) internal successors, (7755), 6699 states have internal predecessors, (7755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6700 states to 6700 states and 7755 transitions. [2022-12-13 17:15:37,299 INFO L78 Accepts]: Start accepts. Automaton has 6700 states and 7755 transitions. Word has length 372 [2022-12-13 17:15:37,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:37,300 INFO L495 AbstractCegarLoop]: Abstraction has 6700 states and 7755 transitions. [2022-12-13 17:15:37,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:37,300 INFO L276 IsEmpty]: Start isEmpty. Operand 6700 states and 7755 transitions. [2022-12-13 17:15:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-12-13 17:15:37,304 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:37,304 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:37,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 17:15:37,305 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:37,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:37,305 INFO L85 PathProgramCache]: Analyzing trace with hash -152091538, now seen corresponding path program 1 times [2022-12-13 17:15:37,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:37,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499426417] [2022-12-13 17:15:37,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:37,495 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-13 17:15:37,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:37,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499426417] [2022-12-13 17:15:37,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499426417] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:37,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:37,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:37,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433865376] [2022-12-13 17:15:37,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:37,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:37,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:37,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:37,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:37,496 INFO L87 Difference]: Start difference. First operand 6700 states and 7755 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) [2022-12-13 17:15:38,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:38,242 INFO L93 Difference]: Finished difference Result 16527 states and 19323 transitions. [2022-12-13 17:15:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:38,242 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 386 [2022-12-13 17:15:38,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:38,256 INFO L225 Difference]: With dead ends: 16527 [2022-12-13 17:15:38,256 INFO L226 Difference]: Without dead ends: 10197 [2022-12-13 17:15:38,259 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 [2022-12-13 17:15:38,260 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 158 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:38,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 130 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:15:38,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10197 states. [2022-12-13 17:15:38,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10197 to 9827. [2022-12-13 17:15:38,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9827 states, 9826 states have (on average 1.1501119478933441) internal successors, (11301), 9826 states have internal predecessors, (11301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:38,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9827 states to 9827 states and 11301 transitions. [2022-12-13 17:15:38,364 INFO L78 Accepts]: Start accepts. Automaton has 9827 states and 11301 transitions. Word has length 386 [2022-12-13 17:15:38,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:38,365 INFO L495 AbstractCegarLoop]: Abstraction has 9827 states and 11301 transitions. [2022-12-13 17:15:38,365 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) [2022-12-13 17:15:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 9827 states and 11301 transitions. [2022-12-13 17:15:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-12-13 17:15:38,371 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:38,372 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:38,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 17:15:38,372 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:38,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:38,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1552606349, now seen corresponding path program 1 times [2022-12-13 17:15:38,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:38,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732538538] [2022-12-13 17:15:38,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:38,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:38,613 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-13 17:15:38,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:38,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732538538] [2022-12-13 17:15:38,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732538538] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:38,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:38,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:38,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899878636] [2022-12-13 17:15:38,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:38,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:38,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:38,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:38,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:38,616 INFO L87 Difference]: Start difference. First operand 9827 states and 11301 transitions. Second operand has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:39,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:39,257 INFO L93 Difference]: Finished difference Result 21125 states and 24424 transitions. [2022-12-13 17:15:39,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:39,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 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 401 [2022-12-13 17:15:39,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:39,270 INFO L225 Difference]: With dead ends: 21125 [2022-12-13 17:15:39,270 INFO L226 Difference]: Without dead ends: 11668 [2022-12-13 17:15:39,275 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 [2022-12-13 17:15:39,276 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 130 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:39,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 77 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 17:15:39,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11668 states. [2022-12-13 17:15:39,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11668 to 11295. [2022-12-13 17:15:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11295 states, 11294 states have (on average 1.1512307419868957) internal successors, (13002), 11294 states have internal predecessors, (13002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:39,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11295 states to 11295 states and 13002 transitions. [2022-12-13 17:15:39,387 INFO L78 Accepts]: Start accepts. Automaton has 11295 states and 13002 transitions. Word has length 401 [2022-12-13 17:15:39,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:39,388 INFO L495 AbstractCegarLoop]: Abstraction has 11295 states and 13002 transitions. [2022-12-13 17:15:39,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 11295 states and 13002 transitions. [2022-12-13 17:15:39,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-12-13 17:15:39,396 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:39,396 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:39,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 17:15:39,397 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:39,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:39,397 INFO L85 PathProgramCache]: Analyzing trace with hash 111498109, now seen corresponding path program 1 times [2022-12-13 17:15:39,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:39,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341994803] [2022-12-13 17:15:39,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:39,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 490 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:15:39,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:39,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341994803] [2022-12-13 17:15:39,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341994803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:39,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:39,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:15:39,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409797892] [2022-12-13 17:15:39,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:39,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:15:39,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:39,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:15:39,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:15:39,880 INFO L87 Difference]: Start difference. First operand 11295 states and 13002 transitions. Second operand has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:40,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:40,806 INFO L93 Difference]: Finished difference Result 26118 states and 30099 transitions. [2022-12-13 17:15:40,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:15:40,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 0 states have call successors, (0), 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 402 [2022-12-13 17:15:40,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:40,819 INFO L225 Difference]: With dead ends: 26118 [2022-12-13 17:15:40,819 INFO L226 Difference]: Without dead ends: 15193 [2022-12-13 17:15:40,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:15:40,825 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 207 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:40,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 156 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 17:15:40,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15193 states. [2022-12-13 17:15:40,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15193 to 13713. [2022-12-13 17:15:40,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13713 states, 13712 states have (on average 1.1468786464410734) internal successors, (15726), 13712 states have internal predecessors, (15726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:40,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13713 states to 13713 states and 15726 transitions. [2022-12-13 17:15:40,970 INFO L78 Accepts]: Start accepts. Automaton has 13713 states and 15726 transitions. Word has length 402 [2022-12-13 17:15:40,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:40,970 INFO L495 AbstractCegarLoop]: Abstraction has 13713 states and 15726 transitions. [2022-12-13 17:15:40,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:40,971 INFO L276 IsEmpty]: Start isEmpty. Operand 13713 states and 15726 transitions. [2022-12-13 17:15:40,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-12-13 17:15:40,977 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:40,977 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:40,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 17:15:40,977 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:40,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:40,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1118876028, now seen corresponding path program 1 times [2022-12-13 17:15:40,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:40,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261915250] [2022-12-13 17:15:40,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:40,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 176 proven. 203 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-12-13 17:15:41,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:41,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261915250] [2022-12-13 17:15:41,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261915250] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:15:41,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887009277] [2022-12-13 17:15:41,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:41,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:15:41,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:15:41,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:15:41,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 17:15:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:41,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:15:41,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:15:41,832 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-13 17:15:41,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:15:41,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887009277] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:41,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:15:41,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 17:15:41,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540228264] [2022-12-13 17:15:41,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:41,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:15:41,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:41,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:15:41,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:15:41,834 INFO L87 Difference]: Start difference. First operand 13713 states and 15726 transitions. Second operand has 4 states, 4 states have (on average 88.5) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:43,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:43,074 INFO L93 Difference]: Finished difference Result 32407 states and 37378 transitions. [2022-12-13 17:15:43,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:15:43,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 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 412 [2022-12-13 17:15:43,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:43,088 INFO L225 Difference]: With dead ends: 32407 [2022-12-13 17:15:43,088 INFO L226 Difference]: Without dead ends: 19064 [2022-12-13 17:15:43,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:15:43,095 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 191 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:43,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 115 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-13 17:15:43,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19064 states. [2022-12-13 17:15:43,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19064 to 19052. [2022-12-13 17:15:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19052 states, 19051 states have (on average 1.1395202351582594) internal successors, (21709), 19051 states have internal predecessors, (21709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:43,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19052 states to 19052 states and 21709 transitions. [2022-12-13 17:15:43,302 INFO L78 Accepts]: Start accepts. Automaton has 19052 states and 21709 transitions. Word has length 412 [2022-12-13 17:15:43,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:43,302 INFO L495 AbstractCegarLoop]: Abstraction has 19052 states and 21709 transitions. [2022-12-13 17:15:43,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:43,303 INFO L276 IsEmpty]: Start isEmpty. Operand 19052 states and 21709 transitions. [2022-12-13 17:15:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-12-13 17:15:43,320 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:43,320 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:15:43,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:15:43,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:15:43,521 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:43,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:43,522 INFO L85 PathProgramCache]: Analyzing trace with hash -761542586, now seen corresponding path program 1 times [2022-12-13 17:15:43,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:43,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992785579] [2022-12-13 17:15:43,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:43,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-12-13 17:15:43,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:43,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992785579] [2022-12-13 17:15:43,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992785579] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:43,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:43,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:43,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835807201] [2022-12-13 17:15:43,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:43,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:43,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:43,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:43,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:43,807 INFO L87 Difference]: Start difference. First operand 19052 states and 21709 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:44,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:44,592 INFO L93 Difference]: Finished difference Result 39573 states and 45097 transitions. [2022-12-13 17:15:44,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:44,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 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 500 [2022-12-13 17:15:44,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:44,606 INFO L225 Difference]: With dead ends: 39573 [2022-12-13 17:15:44,607 INFO L226 Difference]: Without dead ends: 19047 [2022-12-13 17:15:44,616 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 [2022-12-13 17:15:44,616 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 196 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:44,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 360 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:15:44,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19047 states. [2022-12-13 17:15:44,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19047 to 18303. [2022-12-13 17:15:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18303 states, 18302 states have (on average 1.115725057370779) internal successors, (20420), 18302 states have internal predecessors, (20420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:44,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18303 states to 18303 states and 20420 transitions. [2022-12-13 17:15:44,796 INFO L78 Accepts]: Start accepts. Automaton has 18303 states and 20420 transitions. Word has length 500 [2022-12-13 17:15:44,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:44,796 INFO L495 AbstractCegarLoop]: Abstraction has 18303 states and 20420 transitions. [2022-12-13 17:15:44,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:44,797 INFO L276 IsEmpty]: Start isEmpty. Operand 18303 states and 20420 transitions. [2022-12-13 17:15:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2022-12-13 17:15:44,809 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:44,809 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:15:44,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 17:15:44,809 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:44,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:44,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1708266968, now seen corresponding path program 1 times [2022-12-13 17:15:44,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:44,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195641663] [2022-12-13 17:15:44,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:44,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:45,315 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 447 proven. 85 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-13 17:15:45,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:45,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195641663] [2022-12-13 17:15:45,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195641663] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:15:45,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803335838] [2022-12-13 17:15:45,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:45,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:15:45,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:15:45,316 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:15:45,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 17:15:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:45,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:15:45,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:15:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-13 17:15:45,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:15:45,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803335838] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:45,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:15:45,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 17:15:45,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242480849] [2022-12-13 17:15:45,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:45,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:45,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:45,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:45,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:15:45,753 INFO L87 Difference]: Start difference. First operand 18303 states and 20420 transitions. Second operand has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:46,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:46,388 INFO L93 Difference]: Finished difference Result 37162 states and 41451 transitions. [2022-12-13 17:15:46,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:46,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 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 507 [2022-12-13 17:15:46,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:46,404 INFO L225 Difference]: With dead ends: 37162 [2022-12-13 17:15:46,404 INFO L226 Difference]: Without dead ends: 19229 [2022-12-13 17:15:46,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:15:46,414 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 83 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:46,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 162 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 17:15:46,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19229 states. [2022-12-13 17:15:46,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19229 to 18855. [2022-12-13 17:15:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18855 states, 18854 states have (on average 1.1102683780630105) internal successors, (20933), 18854 states have internal predecessors, (20933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18855 states to 18855 states and 20933 transitions. [2022-12-13 17:15:46,618 INFO L78 Accepts]: Start accepts. Automaton has 18855 states and 20933 transitions. Word has length 507 [2022-12-13 17:15:46,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:46,618 INFO L495 AbstractCegarLoop]: Abstraction has 18855 states and 20933 transitions. [2022-12-13 17:15:46,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.0) internal successors, (306), 3 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:46,618 INFO L276 IsEmpty]: Start isEmpty. Operand 18855 states and 20933 transitions. [2022-12-13 17:15:46,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2022-12-13 17:15:46,630 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:46,630 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:15:46,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 17:15:46,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-12-13 17:15:46,831 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:46,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:46,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1545968281, now seen corresponding path program 1 times [2022-12-13 17:15:46,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:46,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822934453] [2022-12-13 17:15:46,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:46,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 508 proven. 24 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-13 17:15:47,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:47,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822934453] [2022-12-13 17:15:47,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822934453] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:15:47,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714961911] [2022-12-13 17:15:47,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:47,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:15:47,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:15:47,300 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:15:47,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 17:15:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:47,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:15:47,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:15:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-13 17:15:47,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:15:47,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714961911] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:47,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:15:47,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-12-13 17:15:47,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718748280] [2022-12-13 17:15:47,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:47,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:15:47,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:47,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:15:47,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:15:47,723 INFO L87 Difference]: Start difference. First operand 18855 states and 20933 transitions. Second operand has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:48,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:48,514 INFO L93 Difference]: Finished difference Result 39730 states and 44007 transitions. [2022-12-13 17:15:48,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:15:48,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 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 508 [2022-12-13 17:15:48,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:48,530 INFO L225 Difference]: With dead ends: 39730 [2022-12-13 17:15:48,530 INFO L226 Difference]: Without dead ends: 21245 [2022-12-13 17:15:48,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 512 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:15:48,541 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 276 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:48,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 160 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 17:15:48,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21245 states. [2022-12-13 17:15:48,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21245 to 18109. [2022-12-13 17:15:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18109 states, 18108 states have (on average 1.1061961563949636) internal successors, (20031), 18108 states have internal predecessors, (20031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:48,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18109 states to 18109 states and 20031 transitions. [2022-12-13 17:15:48,739 INFO L78 Accepts]: Start accepts. Automaton has 18109 states and 20031 transitions. Word has length 508 [2022-12-13 17:15:48,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:48,740 INFO L495 AbstractCegarLoop]: Abstraction has 18109 states and 20031 transitions. [2022-12-13 17:15:48,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 18109 states and 20031 transitions. [2022-12-13 17:15:48,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-12-13 17:15:48,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:48,752 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-12-13 17:15:48,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 17:15:48,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 17:15:48,953 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:48,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1134199501, now seen corresponding path program 1 times [2022-12-13 17:15:48,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:48,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596299930] [2022-12-13 17:15:48,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:48,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 572 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:15:51,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:51,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596299930] [2022-12-13 17:15:51,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596299930] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:15:51,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436716278] [2022-12-13 17:15:51,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:51,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:15:51,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:15:51,019 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:15:51,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 17:15:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:51,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:15:51,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:15:51,337 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-12-13 17:15:51,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:15:51,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436716278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:51,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:15:51,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2022-12-13 17:15:51,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471712895] [2022-12-13 17:15:51,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:51,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:51,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:51,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:51,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:15:51,339 INFO L87 Difference]: Start difference. First operand 18109 states and 20031 transitions. Second operand has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:51,878 INFO L93 Difference]: Finished difference Result 37329 states and 41284 transitions. [2022-12-13 17:15:51,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:51,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 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 535 [2022-12-13 17:15:51,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:51,891 INFO L225 Difference]: With dead ends: 37329 [2022-12-13 17:15:51,891 INFO L226 Difference]: Without dead ends: 19590 [2022-12-13 17:15:51,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-13 17:15:51,900 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 91 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:51,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 342 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 17:15:51,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19590 states. [2022-12-13 17:15:52,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19590 to 18475. [2022-12-13 17:15:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18475 states, 18474 states have (on average 1.1047417992854822) internal successors, (20409), 18474 states have internal predecessors, (20409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18475 states to 18475 states and 20409 transitions. [2022-12-13 17:15:52,072 INFO L78 Accepts]: Start accepts. Automaton has 18475 states and 20409 transitions. Word has length 535 [2022-12-13 17:15:52,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:52,072 INFO L495 AbstractCegarLoop]: Abstraction has 18475 states and 20409 transitions. [2022-12-13 17:15:52,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 18475 states and 20409 transitions. [2022-12-13 17:15:52,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-12-13 17:15:52,083 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:52,083 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:15:52,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 17:15:52,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 17:15:52,285 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:52,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:52,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1764270116, now seen corresponding path program 1 times [2022-12-13 17:15:52,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:52,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111337679] [2022-12-13 17:15:52,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:52,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-13 17:15:52,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:52,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111337679] [2022-12-13 17:15:52,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111337679] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:52,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:52,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:15:52,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488509235] [2022-12-13 17:15:52,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:52,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:15:52,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:52,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:15:52,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:15:52,579 INFO L87 Difference]: Start difference. First operand 18475 states and 20409 transitions. Second operand has 4 states, 4 states have (on average 84.75) internal successors, (339), 4 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:53,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:53,641 INFO L93 Difference]: Finished difference Result 41564 states and 45924 transitions. [2022-12-13 17:15:53,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:15:53,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 84.75) internal successors, (339), 4 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 540 [2022-12-13 17:15:53,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:53,676 INFO L225 Difference]: With dead ends: 41564 [2022-12-13 17:15:53,676 INFO L226 Difference]: Without dead ends: 23459 [2022-12-13 17:15:53,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:15:53,682 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 310 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:53,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 341 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 17:15:53,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23459 states. [2022-12-13 17:15:53,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23459 to 18284. [2022-12-13 17:15:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18284 states, 18283 states have (on average 1.1028277634961439) internal successors, (20163), 18283 states have internal predecessors, (20163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18284 states to 18284 states and 20163 transitions. [2022-12-13 17:15:53,861 INFO L78 Accepts]: Start accepts. Automaton has 18284 states and 20163 transitions. Word has length 540 [2022-12-13 17:15:53,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:53,861 INFO L495 AbstractCegarLoop]: Abstraction has 18284 states and 20163 transitions. [2022-12-13 17:15:53,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 84.75) internal successors, (339), 4 states have internal predecessors, (339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:53,861 INFO L276 IsEmpty]: Start isEmpty. Operand 18284 states and 20163 transitions. [2022-12-13 17:15:53,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 632 [2022-12-13 17:15:53,874 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:53,875 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:53,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 17:15:53,875 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:53,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:53,875 INFO L85 PathProgramCache]: Analyzing trace with hash 2068323999, now seen corresponding path program 1 times [2022-12-13 17:15:53,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:53,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60143558] [2022-12-13 17:15:53,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:53,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:54,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 612 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-12-13 17:15:54,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:54,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60143558] [2022-12-13 17:15:54,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60143558] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:54,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:54,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:15:54,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371620560] [2022-12-13 17:15:54,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:54,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:54,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:54,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:54,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:54,133 INFO L87 Difference]: Start difference. First operand 18284 states and 20163 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 2 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:54,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:54,514 INFO L93 Difference]: Finished difference Result 35823 states and 39522 transitions. [2022-12-13 17:15:54,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:54,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 2 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 631 [2022-12-13 17:15:54,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:54,526 INFO L225 Difference]: With dead ends: 35823 [2022-12-13 17:15:54,526 INFO L226 Difference]: Without dead ends: 17909 [2022-12-13 17:15:54,532 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 [2022-12-13 17:15:54,533 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 157 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:54,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 34 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 17:15:54,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17909 states. [2022-12-13 17:15:54,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17909 to 17906. [2022-12-13 17:15:54,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17906 states, 17905 states have (on average 1.1019268360793075) internal successors, (19730), 17905 states have internal predecessors, (19730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:54,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17906 states to 17906 states and 19730 transitions. [2022-12-13 17:15:54,703 INFO L78 Accepts]: Start accepts. Automaton has 17906 states and 19730 transitions. Word has length 631 [2022-12-13 17:15:54,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:54,703 INFO L495 AbstractCegarLoop]: Abstraction has 17906 states and 19730 transitions. [2022-12-13 17:15:54,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 2 states have internal predecessors, (290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:54,704 INFO L276 IsEmpty]: Start isEmpty. Operand 17906 states and 19730 transitions. [2022-12-13 17:15:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2022-12-13 17:15:54,717 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:54,717 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-12-13 17:15:54,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 17:15:54,717 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:54,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:54,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1252408039, now seen corresponding path program 1 times [2022-12-13 17:15:54,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:54,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68655735] [2022-12-13 17:15:54,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:54,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 914 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2022-12-13 17:15:55,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:55,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68655735] [2022-12-13 17:15:55,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68655735] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:55,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:55,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:55,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671677323] [2022-12-13 17:15:55,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:55,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:55,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:55,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:55,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:55,112 INFO L87 Difference]: Start difference. First operand 17906 states and 19730 transitions. Second operand has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:55,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:55,718 INFO L93 Difference]: Finished difference Result 38022 states and 41945 transitions. [2022-12-13 17:15:55,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:55,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 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 651 [2022-12-13 17:15:55,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:55,732 INFO L225 Difference]: With dead ends: 38022 [2022-12-13 17:15:55,733 INFO L226 Difference]: Without dead ends: 20486 [2022-12-13 17:15:55,740 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 [2022-12-13 17:15:55,740 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 124 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:55,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 74 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 17:15:55,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20486 states. [2022-12-13 17:15:55,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20486 to 18274. [2022-12-13 17:15:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18274 states, 18273 states have (on average 1.0996552290264325) internal successors, (20094), 18273 states have internal predecessors, (20094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:55,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18274 states to 18274 states and 20094 transitions. [2022-12-13 17:15:55,954 INFO L78 Accepts]: Start accepts. Automaton has 18274 states and 20094 transitions. Word has length 651 [2022-12-13 17:15:55,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:55,954 INFO L495 AbstractCegarLoop]: Abstraction has 18274 states and 20094 transitions. [2022-12-13 17:15:55,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 131.0) internal successors, (393), 3 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 18274 states and 20094 transitions. [2022-12-13 17:15:55,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2022-12-13 17:15:55,972 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:55,972 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-12-13 17:15:55,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 17:15:55,972 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:55,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:55,973 INFO L85 PathProgramCache]: Analyzing trace with hash -352651479, now seen corresponding path program 1 times [2022-12-13 17:15:55,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:55,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438336674] [2022-12-13 17:15:55,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:55,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 698 proven. 0 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2022-12-13 17:15:56,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:56,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438336674] [2022-12-13 17:15:56,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438336674] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:56,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:56,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:56,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814960605] [2022-12-13 17:15:56,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:56,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:56,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:56,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:56,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:15:56,298 INFO L87 Difference]: Start difference. First operand 18274 states and 20094 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:56,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:56,951 INFO L93 Difference]: Finished difference Result 36728 states and 40390 transitions. [2022-12-13 17:15:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:56,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 652 [2022-12-13 17:15:56,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:56,965 INFO L225 Difference]: With dead ends: 36728 [2022-12-13 17:15:56,965 INFO L226 Difference]: Without dead ends: 18824 [2022-12-13 17:15:56,972 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 [2022-12-13 17:15:56,973 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 87 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:56,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 337 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 17:15:56,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18824 states. [2022-12-13 17:15:57,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18824 to 17166. [2022-12-13 17:15:57,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17166 states, 17165 states have (on average 1.0982813865423828) internal successors, (18852), 17165 states have internal predecessors, (18852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17166 states to 17166 states and 18852 transitions. [2022-12-13 17:15:57,175 INFO L78 Accepts]: Start accepts. Automaton has 17166 states and 18852 transitions. Word has length 652 [2022-12-13 17:15:57,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:57,176 INFO L495 AbstractCegarLoop]: Abstraction has 17166 states and 18852 transitions. [2022-12-13 17:15:57,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:57,176 INFO L276 IsEmpty]: Start isEmpty. Operand 17166 states and 18852 transitions. [2022-12-13 17:15:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 709 [2022-12-13 17:15:57,186 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:57,186 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:57,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 17:15:57,186 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:57,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:57,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1883102673, now seen corresponding path program 1 times [2022-12-13 17:15:57,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:57,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675659837] [2022-12-13 17:15:57,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:57,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 1223 proven. 61 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2022-12-13 17:15:57,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:57,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675659837] [2022-12-13 17:15:57,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675659837] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:15:57,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123008840] [2022-12-13 17:15:57,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:57,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:15:57,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:15:57,816 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:15:57,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 17:15:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:58,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:15:58,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:15:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 1284 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2022-12-13 17:15:58,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:15:58,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123008840] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:58,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:15:58,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 17:15:58,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468989707] [2022-12-13 17:15:58,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:58,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:15:58,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:58,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:15:58,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:15:58,145 INFO L87 Difference]: Start difference. First operand 17166 states and 18852 transitions. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:58,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:15:58,725 INFO L93 Difference]: Finished difference Result 34891 states and 38315 transitions. [2022-12-13 17:15:58,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:15:58,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 708 [2022-12-13 17:15:58,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:15:58,738 INFO L225 Difference]: With dead ends: 34891 [2022-12-13 17:15:58,738 INFO L226 Difference]: Without dead ends: 18095 [2022-12-13 17:15:58,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:15:58,745 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 122 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:15:58,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 79 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 17:15:58,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18095 states. [2022-12-13 17:15:58,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18095 to 16982. [2022-12-13 17:15:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16982 states, 16981 states have (on average 1.0981685413108768) internal successors, (18648), 16981 states have internal predecessors, (18648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16982 states to 16982 states and 18648 transitions. [2022-12-13 17:15:58,911 INFO L78 Accepts]: Start accepts. Automaton has 16982 states and 18648 transitions. Word has length 708 [2022-12-13 17:15:58,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:15:58,912 INFO L495 AbstractCegarLoop]: Abstraction has 16982 states and 18648 transitions. [2022-12-13 17:15:58,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:15:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 16982 states and 18648 transitions. [2022-12-13 17:15:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2022-12-13 17:15:58,925 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:15:58,925 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:15:58,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 17:15:59,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-13 17:15:59,127 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:15:59,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:15:59,128 INFO L85 PathProgramCache]: Analyzing trace with hash 965344910, now seen corresponding path program 1 times [2022-12-13 17:15:59,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:15:59,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40793327] [2022-12-13 17:15:59,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:15:59,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:15:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:15:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1789 backedges. 1236 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2022-12-13 17:15:59,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:15:59,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40793327] [2022-12-13 17:15:59,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40793327] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:15:59,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:15:59,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:15:59,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216729017] [2022-12-13 17:15:59,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:15:59,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:15:59,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:15:59,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:15:59,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:15:59,647 INFO L87 Difference]: Start difference. First operand 16982 states and 18648 transitions. Second operand has 4 states, 4 states have (on average 93.5) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:00,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:00,653 INFO L93 Difference]: Finished difference Result 38207 states and 41942 transitions. [2022-12-13 17:16:00,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:16:00,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 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 709 [2022-12-13 17:16:00,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:00,671 INFO L225 Difference]: With dead ends: 38207 [2022-12-13 17:16:00,671 INFO L226 Difference]: Without dead ends: 21595 [2022-12-13 17:16:00,678 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 [2022-12-13 17:16:00,679 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 221 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:00,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 69 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 17:16:00,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21595 states. [2022-12-13 17:16:00,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21595 to 15510. [2022-12-13 17:16:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15510 states, 15509 states have (on average 1.0996195757302212) internal successors, (17054), 15509 states have internal predecessors, (17054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15510 states to 15510 states and 17054 transitions. [2022-12-13 17:16:00,917 INFO L78 Accepts]: Start accepts. Automaton has 15510 states and 17054 transitions. Word has length 709 [2022-12-13 17:16:00,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:00,918 INFO L495 AbstractCegarLoop]: Abstraction has 15510 states and 17054 transitions. [2022-12-13 17:16:00,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 15510 states and 17054 transitions. [2022-12-13 17:16:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 795 [2022-12-13 17:16:00,939 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:00,939 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-12-13 17:16:00,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-13 17:16:00,940 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:16:00,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:00,940 INFO L85 PathProgramCache]: Analyzing trace with hash 2095403203, now seen corresponding path program 1 times [2022-12-13 17:16:00,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:00,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711739244] [2022-12-13 17:16:00,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:00,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2328 backedges. 1095 proven. 0 refuted. 0 times theorem prover too weak. 1233 trivial. 0 not checked. [2022-12-13 17:16:01,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:01,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711739244] [2022-12-13 17:16:01,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711739244] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:01,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:01,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:16:01,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138637205] [2022-12-13 17:16:01,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:01,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:16:01,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:01,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:16:01,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:16:01,552 INFO L87 Difference]: Start difference. First operand 15510 states and 17054 transitions. Second operand has 4 states, 4 states have (on average 87.25) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:02,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:02,521 INFO L93 Difference]: Finished difference Result 32130 states and 35360 transitions. [2022-12-13 17:16:02,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:16:02,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 87.25) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 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 794 [2022-12-13 17:16:02,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:02,532 INFO L225 Difference]: With dead ends: 32130 [2022-12-13 17:16:02,532 INFO L226 Difference]: Without dead ends: 16990 [2022-12-13 17:16:02,537 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 [2022-12-13 17:16:02,538 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 224 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:02,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 108 Invalid, 1188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 17:16:02,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16990 states. [2022-12-13 17:16:02,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16990 to 15698. [2022-12-13 17:16:02,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15698 states, 15697 states have (on average 1.0986812766770722) internal successors, (17246), 15697 states have internal predecessors, (17246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:02,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15698 states to 15698 states and 17246 transitions. [2022-12-13 17:16:02,686 INFO L78 Accepts]: Start accepts. Automaton has 15698 states and 17246 transitions. Word has length 794 [2022-12-13 17:16:02,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:02,687 INFO L495 AbstractCegarLoop]: Abstraction has 15698 states and 17246 transitions. [2022-12-13 17:16:02,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 87.25) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:02,687 INFO L276 IsEmpty]: Start isEmpty. Operand 15698 states and 17246 transitions. [2022-12-13 17:16:02,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 861 [2022-12-13 17:16:02,700 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:02,700 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:02,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 17:16:02,700 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:16:02,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:02,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1612885747, now seen corresponding path program 1 times [2022-12-13 17:16:02,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:02,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759151309] [2022-12-13 17:16:02,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:02,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2469 backedges. 1886 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-12-13 17:16:03,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:03,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759151309] [2022-12-13 17:16:03,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759151309] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:03,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:03,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:16:03,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103717459] [2022-12-13 17:16:03,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:03,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:16:03,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:03,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:16:03,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:16:03,421 INFO L87 Difference]: Start difference. First operand 15698 states and 17246 transitions. Second operand has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:04,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:04,539 INFO L93 Difference]: Finished difference Result 38405 states and 42177 transitions. [2022-12-13 17:16:04,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:16:04,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 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 860 [2022-12-13 17:16:04,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:04,554 INFO L225 Difference]: With dead ends: 38405 [2022-12-13 17:16:04,555 INFO L226 Difference]: Without dead ends: 23077 [2022-12-13 17:16:04,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:16:04,562 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 240 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:04,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 83 Invalid, 1214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 17:16:04,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23077 states. [2022-12-13 17:16:04,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23077 to 16071. [2022-12-13 17:16:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16071 states, 16070 states have (on average 1.0965774735532048) internal successors, (17622), 16070 states have internal predecessors, (17622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:04,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16071 states to 16071 states and 17622 transitions. [2022-12-13 17:16:04,750 INFO L78 Accepts]: Start accepts. Automaton has 16071 states and 17622 transitions. Word has length 860 [2022-12-13 17:16:04,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:04,751 INFO L495 AbstractCegarLoop]: Abstraction has 16071 states and 17622 transitions. [2022-12-13 17:16:04,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 16071 states and 17622 transitions. [2022-12-13 17:16:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1068 [2022-12-13 17:16:04,765 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:04,766 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-12-13 17:16:04,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 17:16:04,766 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:16:04,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:04,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1417283486, now seen corresponding path program 1 times [2022-12-13 17:16:04,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:04,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896344610] [2022-12-13 17:16:04,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:04,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3855 backedges. 2290 proven. 830 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2022-12-13 17:16:06,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:06,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896344610] [2022-12-13 17:16:06,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896344610] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:16:06,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158507208] [2022-12-13 17:16:06,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:06,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:06,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:06,440 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:16:06,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 17:16:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:06,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:16:06,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:16:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 3855 backedges. 2335 proven. 0 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2022-12-13 17:16:06,914 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:16:06,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158507208] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:06,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:16:06,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-12-13 17:16:06,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907821415] [2022-12-13 17:16:06,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:06,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:16:06,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:06,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:16:06,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:16:06,917 INFO L87 Difference]: Start difference. First operand 16071 states and 17622 transitions. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:07,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:07,537 INFO L93 Difference]: Finished difference Result 32336 states and 35486 transitions. [2022-12-13 17:16:07,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:16:07,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 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 1067 [2022-12-13 17:16:07,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:07,548 INFO L225 Difference]: With dead ends: 32336 [2022-12-13 17:16:07,548 INFO L226 Difference]: Without dead ends: 16635 [2022-12-13 17:16:07,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1074 GetRequests, 1068 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:16:07,555 INFO L413 NwaCegarLoop]: 312 mSDtfsCounter, 104 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:07,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 331 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 17:16:07,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16635 states. [2022-12-13 17:16:07,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16635 to 16627. [2022-12-13 17:16:07,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16627 states, 16626 states have (on average 1.094731143991339) internal successors, (18201), 16626 states have internal predecessors, (18201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16627 states to 16627 states and 18201 transitions. [2022-12-13 17:16:07,716 INFO L78 Accepts]: Start accepts. Automaton has 16627 states and 18201 transitions. Word has length 1067 [2022-12-13 17:16:07,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:07,716 INFO L495 AbstractCegarLoop]: Abstraction has 16627 states and 18201 transitions. [2022-12-13 17:16:07,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:07,717 INFO L276 IsEmpty]: Start isEmpty. Operand 16627 states and 18201 transitions. [2022-12-13 17:16:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1133 [2022-12-13 17:16:07,732 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:07,732 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:16:07,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 17:16:07,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-12-13 17:16:07,934 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:16:07,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:07,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1678456145, now seen corresponding path program 1 times [2022-12-13 17:16:07,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:07,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952748761] [2022-12-13 17:16:07,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:07,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:08,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4049 backedges. 2161 proven. 0 refuted. 0 times theorem prover too weak. 1888 trivial. 0 not checked. [2022-12-13 17:16:08,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:08,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952748761] [2022-12-13 17:16:08,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952748761] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:08,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:08,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:16:08,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440950316] [2022-12-13 17:16:08,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:08,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:16:08,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:08,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:16:08,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:16:08,421 INFO L87 Difference]: Start difference. First operand 16627 states and 18201 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 2 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:08,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:08,861 INFO L93 Difference]: Finished difference Result 32510 states and 35607 transitions. [2022-12-13 17:16:08,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:16:08,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 2 states have internal predecessors, (322), 0 states have call successors, (0), 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 1132 [2022-12-13 17:16:08,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:08,871 INFO L225 Difference]: With dead ends: 32510 [2022-12-13 17:16:08,871 INFO L226 Difference]: Without dead ends: 16253 [2022-12-13 17:16:08,877 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 [2022-12-13 17:16:08,878 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 155 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:08,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 34 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 17:16:08,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16253 states. [2022-12-13 17:16:09,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16253 to 16253. [2022-12-13 17:16:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16253 states, 16252 states have (on average 1.094203790302732) internal successors, (17783), 16252 states have internal predecessors, (17783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16253 states to 16253 states and 17783 transitions. [2022-12-13 17:16:09,034 INFO L78 Accepts]: Start accepts. Automaton has 16253 states and 17783 transitions. Word has length 1132 [2022-12-13 17:16:09,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:09,034 INFO L495 AbstractCegarLoop]: Abstraction has 16253 states and 17783 transitions. [2022-12-13 17:16:09,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 2 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 16253 states and 17783 transitions. [2022-12-13 17:16:09,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2022-12-13 17:16:09,050 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:09,050 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2022-12-13 17:16:09,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 17:16:09,051 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:16:09,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:09,051 INFO L85 PathProgramCache]: Analyzing trace with hash 750491527, now seen corresponding path program 1 times [2022-12-13 17:16:09,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:09,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230629388] [2022-12-13 17:16:09,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:09,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4066 backedges. 1501 proven. 0 refuted. 0 times theorem prover too weak. 2565 trivial. 0 not checked. [2022-12-13 17:16:10,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:10,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230629388] [2022-12-13 17:16:10,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230629388] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:10,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:16:10,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:16:10,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952161639] [2022-12-13 17:16:10,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:10,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:16:10,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:10,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:16:10,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:16:10,384 INFO L87 Difference]: Start difference. First operand 16253 states and 17783 transitions. Second operand has 4 states, 4 states have (on average 103.0) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:11,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:11,378 INFO L93 Difference]: Finished difference Result 32689 states and 35774 transitions. [2022-12-13 17:16:11,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 17:16:11,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 103.0) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1156 [2022-12-13 17:16:11,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:11,387 INFO L225 Difference]: With dead ends: 32689 [2022-12-13 17:16:11,388 INFO L226 Difference]: Without dead ends: 16622 [2022-12-13 17:16:11,393 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 [2022-12-13 17:16:11,393 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 208 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:11,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 85 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 17:16:11,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16622 states. [2022-12-13 17:16:11,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16622 to 16621. [2022-12-13 17:16:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16621 states, 16620 states have (on average 1.0927797833935018) internal successors, (18162), 16620 states have internal predecessors, (18162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16621 states to 16621 states and 18162 transitions. [2022-12-13 17:16:11,550 INFO L78 Accepts]: Start accepts. Automaton has 16621 states and 18162 transitions. Word has length 1156 [2022-12-13 17:16:11,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:11,550 INFO L495 AbstractCegarLoop]: Abstraction has 16621 states and 18162 transitions. [2022-12-13 17:16:11,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 103.0) internal successors, (412), 3 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:11,550 INFO L276 IsEmpty]: Start isEmpty. Operand 16621 states and 18162 transitions. [2022-12-13 17:16:11,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1195 [2022-12-13 17:16:11,566 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:11,567 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 17:16:11,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 17:16:11,567 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:16:11,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:11,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1701280617, now seen corresponding path program 1 times [2022-12-13 17:16:11,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:11,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657800381] [2022-12-13 17:16:11,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:11,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4127 backedges. 2240 proven. 73 refuted. 0 times theorem prover too weak. 1814 trivial. 0 not checked. [2022-12-13 17:16:12,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:12,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657800381] [2022-12-13 17:16:12,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657800381] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:16:12,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448244071] [2022-12-13 17:16:12,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:12,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:12,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:12,970 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:16:12,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 17:16:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:13,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 1507 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 17:16:13,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:16:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 4127 backedges. 2598 proven. 0 refuted. 0 times theorem prover too weak. 1529 trivial. 0 not checked. [2022-12-13 17:16:13,376 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:16:13,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448244071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:13,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:16:13,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-12-13 17:16:13,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074285094] [2022-12-13 17:16:13,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:13,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:16:13,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:13,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:16:13,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:13,380 INFO L87 Difference]: Start difference. First operand 16621 states and 18162 transitions. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:13,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:13,972 INFO L93 Difference]: Finished difference Result 37667 states and 41173 transitions. [2022-12-13 17:16:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:16:13,973 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 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 1194 [2022-12-13 17:16:13,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:13,985 INFO L225 Difference]: With dead ends: 37667 [2022-12-13 17:16:13,985 INFO L226 Difference]: Without dead ends: 21416 [2022-12-13 17:16:13,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1197 GetRequests, 1194 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:16:13,992 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 77 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:13,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 319 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 17:16:14,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21416 states. [2022-12-13 17:16:14,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21416 to 16813. [2022-12-13 17:16:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16813 states, 16812 states have (on average 1.0874970259338568) internal successors, (18283), 16812 states have internal predecessors, (18283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:14,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16813 states to 16813 states and 18283 transitions. [2022-12-13 17:16:14,178 INFO L78 Accepts]: Start accepts. Automaton has 16813 states and 18283 transitions. Word has length 1194 [2022-12-13 17:16:14,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:14,178 INFO L495 AbstractCegarLoop]: Abstraction has 16813 states and 18283 transitions. [2022-12-13 17:16:14,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:14,178 INFO L276 IsEmpty]: Start isEmpty. Operand 16813 states and 18283 transitions. [2022-12-13 17:16:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1356 [2022-12-13 17:16:14,196 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:14,196 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:14,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 17:16:14,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-12-13 17:16:14,398 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:16:14,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:14,400 INFO L85 PathProgramCache]: Analyzing trace with hash 164681189, now seen corresponding path program 1 times [2022-12-13 17:16:14,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:14,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993030770] [2022-12-13 17:16:14,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:14,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 6001 backedges. 3683 proven. 811 refuted. 0 times theorem prover too weak. 1507 trivial. 0 not checked. [2022-12-13 17:16:17,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:17,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993030770] [2022-12-13 17:16:17,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993030770] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:16:17,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2492789] [2022-12-13 17:16:17,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:17,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:17,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:17,128 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:16:17,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 17:16:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:17,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 1728 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 17:16:17,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:16:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6001 backedges. 3704 proven. 0 refuted. 0 times theorem prover too weak. 2297 trivial. 0 not checked. [2022-12-13 17:16:17,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:16:17,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2492789] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:16:17,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 17:16:17,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-12-13 17:16:17,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090496502] [2022-12-13 17:16:17,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:16:17,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 17:16:17,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:17,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:16:17,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:16:17,793 INFO L87 Difference]: Start difference. First operand 16813 states and 18283 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:18,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:18,456 INFO L93 Difference]: Finished difference Result 34734 states and 37759 transitions. [2022-12-13 17:16:18,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:16:18,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 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 1355 [2022-12-13 17:16:18,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:18,467 INFO L225 Difference]: With dead ends: 34734 [2022-12-13 17:16:18,467 INFO L226 Difference]: Without dead ends: 17923 [2022-12-13 17:16:18,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1362 GetRequests, 1357 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-12-13 17:16:18,475 INFO L413 NwaCegarLoop]: 325 mSDtfsCounter, 98 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:18,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 344 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 17:16:18,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17923 states. [2022-12-13 17:16:18,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17923 to 17921. [2022-12-13 17:16:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17921 states, 17920 states have (on average 1.0834263392857142) internal successors, (19415), 17920 states have internal predecessors, (19415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17921 states to 17921 states and 19415 transitions. [2022-12-13 17:16:18,658 INFO L78 Accepts]: Start accepts. Automaton has 17921 states and 19415 transitions. Word has length 1355 [2022-12-13 17:16:18,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:18,659 INFO L495 AbstractCegarLoop]: Abstraction has 17921 states and 19415 transitions. [2022-12-13 17:16:18,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 17921 states and 19415 transitions. [2022-12-13 17:16:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1442 [2022-12-13 17:16:18,678 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:16:18,679 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:16:18,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 17:16:18,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:18,881 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:16:18,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:16:18,883 INFO L85 PathProgramCache]: Analyzing trace with hash -405637536, now seen corresponding path program 1 times [2022-12-13 17:16:18,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:16:18,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066056693] [2022-12-13 17:16:18,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:18,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:16:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 6354 backedges. 3845 proven. 206 refuted. 0 times theorem prover too weak. 2303 trivial. 0 not checked. [2022-12-13 17:16:20,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:16:20,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066056693] [2022-12-13 17:16:20,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066056693] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:16:20,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188118054] [2022-12-13 17:16:20,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:16:20,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:20,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:16:20,673 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:16:20,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 17:16:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:16:21,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 1814 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-13 17:16:21,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:16:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 6354 backedges. 4220 proven. 282 refuted. 0 times theorem prover too weak. 1852 trivial. 0 not checked. [2022-12-13 17:16:23,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:16:27,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6354 backedges. 3750 proven. 323 refuted. 0 times theorem prover too weak. 2281 trivial. 0 not checked. [2022-12-13 17:16:27,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188118054] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:16:27,362 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:16:27,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 6] total 12 [2022-12-13 17:16:27,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695286988] [2022-12-13 17:16:27,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:16:27,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 17:16:27,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:16:27,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 17:16:27,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-12-13 17:16:27,368 INFO L87 Difference]: Start difference. First operand 17921 states and 19415 transitions. Second operand has 13 states, 13 states have (on average 62.30769230769231) internal successors, (810), 12 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:32,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:16:32,114 INFO L93 Difference]: Finished difference Result 27828 states and 30054 transitions. [2022-12-13 17:16:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-13 17:16:32,115 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 62.30769230769231) internal successors, (810), 12 states have internal predecessors, (810), 0 states have call successors, (0), 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 1441 [2022-12-13 17:16:32,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:16:32,115 INFO L225 Difference]: With dead ends: 27828 [2022-12-13 17:16:32,115 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 17:16:32,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2904 GetRequests, 2873 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2022-12-13 17:16:32,122 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 1627 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 8308 mSolverCounterSat, 417 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1627 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 8725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 417 IncrementalHoareTripleChecker+Valid, 8308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-13 17:16:32,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1627 Valid, 185 Invalid, 8725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [417 Valid, 8308 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-13 17:16:32,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 17:16:32,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 17:16:32,123 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) [2022-12-13 17:16:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 17:16:32,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1441 [2022-12-13 17:16:32,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:16:32,124 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:16:32,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 62.30769230769231) internal successors, (810), 12 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:16:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 17:16:32,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 17:16:32,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 17:16:32,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 17:16:32,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:16:32,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 17:20:05,632 WARN L233 SmtUtils]: Spent 3.55m on a formula simplification. DAG size of input: 596 DAG size of output: 590 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:23:35,089 WARN L233 SmtUtils]: Spent 3.49m on a formula simplification. DAG size of input: 597 DAG size of output: 590 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 17:23:41,317 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-12-13 17:23:41,317 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,317 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-12-13 17:23:41,317 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,317 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,317 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,317 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,317 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,317 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,318 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-12-13 17:23:41,319 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-12-13 17:23:41,320 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse21 (+ ~a23~0 43))) (let ((.cse20 (<= (+ 28470 ~a29~0) 0)) (.cse2 (<= ~a25~0 10)) (.cse22 (<= ~a25~0 9)) (.cse24 (<= 261 ~a29~0)) (.cse17 (<= ~a29~0 245)) (.cse8 (<= 130 ~a29~0)) (.cse19 (<= 13 ~a25~0)) (.cse10 (= ~a25~0 12)) (.cse25 (<= ~a29~0 140)) (.cse6 (<= ~a23~0 138)) (.cse4 (= ~a4~0 1)) (.cse9 (<= .cse21 0))) (let ((.cse7 (<= 0 (+ 41 ~a23~0))) (.cse0 (<= ~a23~0 600000)) (.cse18 (not .cse9)) (.cse16 (or (and .cse2 .cse6 .cse4) (and .cse9 .cse20 .cse22) (and .cse25 .cse2 .cse4 (<= ~a23~0 312) .cse22) (and .cse24 (<= (+ ~a23~0 599772) 0) .cse4 .cse19) (and .cse17 .cse6 .cse4 .cse8 .cse19) (and .cse10 .cse25 .cse6 .cse4))) (.cse1 (<= 10 ~a25~0)) (.cse14 (<= ~a4~0 0)) (.cse15 (< 140 ~a29~0)) (.cse11 (<= ~a29~0 274)) (.cse12 (<= ~a8~0 15)) (.cse3 (= ~a3~0 1)) (.cse13 (not .cse4)) (.cse5 (= ~a8~0 15)) (.cse23 (<= 247 ~a29~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse4 .cse8) (and .cse9 (<= (+ ~a23~0 55) 0) .cse10 .cse11 .cse12 .cse3 .cse13 .cse5 .cse14 .cse8) (and .cse15 (<= ~a29~0 234) .cse2 (= ~a25~0 9) .cse3 .cse4 .cse5) (and .cse10 (<= ~a23~0 306) .cse3 .cse4 .cse5) (and .cse16 .cse3 .cse5) (and .cse0 .cse15 .cse3 .cse7 .cse4 .cse5) (and .cse17 .cse6 .cse18 .cse4 .cse8) (and .cse0 .cse3 .cse4 .cse5 .cse19) (and .cse10 .cse20 .cse6 .cse18 .cse4) (and (< 0 .cse21) .cse2 .cse6 .cse4) (and .cse16 .cse4 .cse22 .cse5) (and (or (and (<= (+ 284336 ~a23~0) 0) .cse11 .cse5 .cse23 .cse19) (and .cse9 .cse24 .cse22 .cse5)) .cse3) (and .cse9 .cse1 .cse25 .cse3 .cse13 .cse5) (and .cse3 .cse5 (or (and .cse10 .cse11 .cse23 .cse14) (and (<= ~a29~0 275) .cse10 .cse24 .cse14))) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 5)) .cse15 .cse17 .cse3 .cse4 .cse5 (= ~a25~0 10)) (and .cse9 .cse10 .cse11 .cse12 .cse3 .cse13 .cse5 .cse23 .cse8))))) [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-12-13 17:23:41,321 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-12-13 17:23:41,322 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 199) no Hoare annotation was computed. [2022-12-13 17:23:41,323 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-12-13 17:23:41,324 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,325 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-12-13 17:23:41,326 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-12-13 17:23:41,327 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-12-13 17:23:41,328 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 32 1036) the Hoare annotation is: (let ((.cse21 (+ ~a23~0 43))) (let ((.cse20 (<= (+ 28470 ~a29~0) 0)) (.cse2 (<= ~a25~0 10)) (.cse22 (<= ~a25~0 9)) (.cse24 (<= 261 ~a29~0)) (.cse17 (<= ~a29~0 245)) (.cse8 (<= 130 ~a29~0)) (.cse19 (<= 13 ~a25~0)) (.cse10 (= ~a25~0 12)) (.cse25 (<= ~a29~0 140)) (.cse6 (<= ~a23~0 138)) (.cse4 (= ~a4~0 1)) (.cse9 (<= .cse21 0))) (let ((.cse7 (<= 0 (+ 41 ~a23~0))) (.cse0 (<= ~a23~0 600000)) (.cse18 (not .cse9)) (.cse16 (or (and .cse2 .cse6 .cse4) (and .cse9 .cse20 .cse22) (and .cse25 .cse2 .cse4 (<= ~a23~0 312) .cse22) (and .cse24 (<= (+ ~a23~0 599772) 0) .cse4 .cse19) (and .cse17 .cse6 .cse4 .cse8 .cse19) (and .cse10 .cse25 .cse6 .cse4))) (.cse1 (<= 10 ~a25~0)) (.cse14 (<= ~a4~0 0)) (.cse15 (< 140 ~a29~0)) (.cse11 (<= ~a29~0 274)) (.cse12 (<= ~a8~0 15)) (.cse3 (= ~a3~0 1)) (.cse13 (not .cse4)) (.cse5 (= ~a8~0 15)) (.cse23 (<= 247 ~a29~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse4 .cse8) (and .cse9 (<= (+ ~a23~0 55) 0) .cse10 .cse11 .cse12 .cse3 .cse13 .cse5 .cse14 .cse8) (and .cse15 (<= ~a29~0 234) .cse2 (= ~a25~0 9) .cse3 .cse4 .cse5) (and .cse10 (<= ~a23~0 306) .cse3 .cse4 .cse5) (and .cse16 .cse3 .cse5) (and .cse0 .cse15 .cse3 .cse7 .cse4 .cse5) (and .cse17 .cse6 .cse18 .cse4 .cse8) (and .cse0 .cse3 .cse4 .cse5 .cse19) (and .cse10 .cse20 .cse6 .cse18 .cse4) (and (< 0 .cse21) .cse2 .cse6 .cse4) (and .cse16 .cse4 .cse22 .cse5) (and (or (and (<= (+ 284336 ~a23~0) 0) .cse11 .cse5 .cse23 .cse19) (and .cse9 .cse24 .cse22 .cse5)) .cse3) (and .cse9 .cse1 .cse25 .cse3 .cse13 .cse5) (and .cse3 .cse5 (or (and .cse10 .cse11 .cse23 .cse14) (and (<= ~a29~0 275) .cse10 .cse24 .cse14))) (and (not (= |ULTIMATE.start_calculate_output_~input#1| 5)) .cse15 .cse17 .cse3 .cse4 .cse5 (= ~a25~0 10)) (and .cse9 .cse10 .cse11 .cse12 .cse3 .cse13 .cse5 .cse23 .cse8))))) [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,329 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,330 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-12-13 17:23:41,330 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-12-13 17:23:41,330 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,330 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,330 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-12-13 17:23:41,330 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-12-13 17:23:41,330 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-12-13 17:23:41,330 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-12-13 17:23:41,332 INFO L445 BasicCegarLoop]: Path program 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] [2022-12-13 17:23:41,333 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:23:41,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:23:41 BoogieIcfgContainer [2022-12-13 17:23:41,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:23:41,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:23:41,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:23:41,352 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:23:41,352 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:15:27" (3/4) ... [2022-12-13 17:23:41,354 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 17:23:41,367 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 17:23:41,368 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 17:23:41,369 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 17:23:41,369 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 17:23:41,439 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:23:41,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:23:41,439 INFO L158 Benchmark]: Toolchain (without parser) took 496228.26ms. Allocated memory was 144.7MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 110.4MB in the beginning and 704.7MB in the end (delta: -594.3MB). Peak memory consumption was 614.3MB. Max. memory is 16.1GB. [2022-12-13 17:23:41,439 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 144.7MB. Free memory was 118.8MB in the beginning and 118.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:23:41,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.25ms. Allocated memory is still 144.7MB. Free memory was 109.7MB in the beginning and 66.3MB in the end (delta: 43.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-12-13 17:23:41,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.28ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 65.7MB in the beginning and 134.0MB in the end (delta: -68.3MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-12-13 17:23:41,440 INFO L158 Benchmark]: Boogie Preprocessor took 97.81ms. Allocated memory is still 174.1MB. Free memory was 134.0MB in the beginning and 124.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 17:23:41,440 INFO L158 Benchmark]: RCFGBuilder took 1342.80ms. Allocated memory is still 174.1MB. Free memory was 124.5MB in the beginning and 113.4MB in the end (delta: 11.1MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2022-12-13 17:23:41,440 INFO L158 Benchmark]: TraceAbstraction took 493983.06ms. Allocated memory was 174.1MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 113.4MB in the beginning and 720.4MB in the end (delta: -607.0MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-12-13 17:23:41,440 INFO L158 Benchmark]: Witness Printer took 87.36ms. Allocated memory is still 1.4GB. Free memory was 720.4MB in the beginning and 704.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 17:23:41,441 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 144.7MB. Free memory was 118.8MB in the beginning and 118.8MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.25ms. Allocated memory is still 144.7MB. Free memory was 109.7MB in the beginning and 66.3MB in the end (delta: 43.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.28ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 65.7MB in the beginning and 134.0MB in the end (delta: -68.3MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.81ms. Allocated memory is still 174.1MB. Free memory was 134.0MB in the beginning and 124.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1342.80ms. Allocated memory is still 174.1MB. Free memory was 124.5MB in the beginning and 113.4MB in the end (delta: 11.1MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. * TraceAbstraction took 493983.06ms. Allocated memory was 174.1MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 113.4MB in the beginning and 720.4MB in the end (delta: -607.0MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 87.36ms. Allocated memory is still 1.4GB. Free memory was 720.4MB in the beginning and 704.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. 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: 199]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 493.9s, OverallIterations: 31, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 28.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 429.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6523 SdHoareTripleChecker+Valid, 24.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6523 mSDsluCounter, 6058 SdHoareTripleChecker+Invalid, 21.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 833 mSDsCounter, 3388 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28536 IncrementalHoareTripleChecker+Invalid, 31924 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3388 mSolverCounterUnsat, 5225 mSDtfsCounter, 28536 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9292 GetRequests, 9191 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19052occurred in iteration=13, InterpolantAutomatonStates: 124, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 31 MinimizatonAttempts, 37901 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 216 NumberOfFragments, 1073 HoareAnnotationTreeSize, 3 FomulaSimplifications, 509914 FormulaSimplificationTreeSizeReduction, 422.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3385950 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 25.0s InterpolantComputationTime, 26343 NumberOfCodeBlocks, 26343 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 27743 ConstructedInterpolants, 0 QuantifiedInterpolants, 89734 SizeOfPredicates, 15 NumberOfNonLiveVariables, 10006 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 41 InterpolantComputations, 30 PerfectInterpolantSequences, 76590/79798 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: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a23 <= 600000 && 10 <= a25) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) || (((a23 <= 138 && 0 <= 41 + a23) && a4 == 1) && 130 <= a29)) || (((((((((a23 + 43 <= 0 && a23 + 55 <= 0) && a25 == 12) && a29 <= 274) && a8 <= 15) && a3 == 1) && !(a4 == 1)) && a8 == 15) && a4 <= 0) && 130 <= a29)) || ((((((140 < a29 && a29 <= 234) && a25 <= 10) && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a25 == 12 && a23 <= 306) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((((a25 <= 10 && a23 <= 138) && a4 == 1) || ((a23 + 43 <= 0 && 28470 + a29 <= 0) && a25 <= 9)) || ((((a29 <= 140 && a25 <= 10) && a4 == 1) && a23 <= 312) && a25 <= 9)) || (((261 <= a29 && a23 + 599772 <= 0) && a4 == 1) && 13 <= a25)) || ((((a29 <= 245 && a23 <= 138) && a4 == 1) && 130 <= a29) && 13 <= a25)) || (((a25 == 12 && a29 <= 140) && a23 <= 138) && a4 == 1)) && a3 == 1) && a8 == 15)) || (((((a23 <= 600000 && 140 < a29) && a3 == 1) && 0 <= 41 + a23) && a4 == 1) && a8 == 15)) || ((((a29 <= 245 && a23 <= 138) && !(a23 + 43 <= 0)) && a4 == 1) && 130 <= a29)) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && 13 <= a25)) || ((((a25 == 12 && 28470 + a29 <= 0) && a23 <= 138) && !(a23 + 43 <= 0)) && a4 == 1)) || (((0 < a23 + 43 && a25 <= 10) && a23 <= 138) && a4 == 1)) || ((((((((((a25 <= 10 && a23 <= 138) && a4 == 1) || ((a23 + 43 <= 0 && 28470 + a29 <= 0) && a25 <= 9)) || ((((a29 <= 140 && a25 <= 10) && a4 == 1) && a23 <= 312) && a25 <= 9)) || (((261 <= a29 && a23 + 599772 <= 0) && a4 == 1) && 13 <= a25)) || ((((a29 <= 245 && a23 <= 138) && a4 == 1) && 130 <= a29) && 13 <= a25)) || (((a25 == 12 && a29 <= 140) && a23 <= 138) && a4 == 1)) && a4 == 1) && a25 <= 9) && a8 == 15)) || ((((((284336 + a23 <= 0 && a29 <= 274) && a8 == 15) && 247 <= a29) && 13 <= a25) || (((a23 + 43 <= 0 && 261 <= a29) && a25 <= 9) && a8 == 15)) && a3 == 1)) || (((((a23 + 43 <= 0 && 10 <= a25) && a29 <= 140) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((((a25 == 12 && a29 <= 274) && 247 <= a29) && a4 <= 0) || (((a29 <= 275 && a25 == 12) && 261 <= a29) && a4 <= 0)))) || ((((((!(input == 5) && 140 < a29) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || ((((((((a23 + 43 <= 0 && a25 == 12) && a29 <= 274) && a8 <= 15) && a3 == 1) && !(a4 == 1)) && a8 == 15) && 247 <= a29) && 130 <= a29) - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((a23 <= 600000 && 10 <= a25) && a25 <= 10) && a3 == 1) && a4 == 1) && a8 == 15) || (((a23 <= 138 && 0 <= 41 + a23) && a4 == 1) && 130 <= a29)) || (((((((((a23 + 43 <= 0 && a23 + 55 <= 0) && a25 == 12) && a29 <= 274) && a8 <= 15) && a3 == 1) && !(a4 == 1)) && a8 == 15) && a4 <= 0) && 130 <= a29)) || ((((((140 < a29 && a29 <= 234) && a25 <= 10) && a25 == 9) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((a25 == 12 && a23 <= 306) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((((((a25 <= 10 && a23 <= 138) && a4 == 1) || ((a23 + 43 <= 0 && 28470 + a29 <= 0) && a25 <= 9)) || ((((a29 <= 140 && a25 <= 10) && a4 == 1) && a23 <= 312) && a25 <= 9)) || (((261 <= a29 && a23 + 599772 <= 0) && a4 == 1) && 13 <= a25)) || ((((a29 <= 245 && a23 <= 138) && a4 == 1) && 130 <= a29) && 13 <= a25)) || (((a25 == 12 && a29 <= 140) && a23 <= 138) && a4 == 1)) && a3 == 1) && a8 == 15)) || (((((a23 <= 600000 && 140 < a29) && a3 == 1) && 0 <= 41 + a23) && a4 == 1) && a8 == 15)) || ((((a29 <= 245 && a23 <= 138) && !(a23 + 43 <= 0)) && a4 == 1) && 130 <= a29)) || ((((a23 <= 600000 && a3 == 1) && a4 == 1) && a8 == 15) && 13 <= a25)) || ((((a25 == 12 && 28470 + a29 <= 0) && a23 <= 138) && !(a23 + 43 <= 0)) && a4 == 1)) || (((0 < a23 + 43 && a25 <= 10) && a23 <= 138) && a4 == 1)) || ((((((((((a25 <= 10 && a23 <= 138) && a4 == 1) || ((a23 + 43 <= 0 && 28470 + a29 <= 0) && a25 <= 9)) || ((((a29 <= 140 && a25 <= 10) && a4 == 1) && a23 <= 312) && a25 <= 9)) || (((261 <= a29 && a23 + 599772 <= 0) && a4 == 1) && 13 <= a25)) || ((((a29 <= 245 && a23 <= 138) && a4 == 1) && 130 <= a29) && 13 <= a25)) || (((a25 == 12 && a29 <= 140) && a23 <= 138) && a4 == 1)) && a4 == 1) && a25 <= 9) && a8 == 15)) || ((((((284336 + a23 <= 0 && a29 <= 274) && a8 == 15) && 247 <= a29) && 13 <= a25) || (((a23 + 43 <= 0 && 261 <= a29) && a25 <= 9) && a8 == 15)) && a3 == 1)) || (((((a23 + 43 <= 0 && 10 <= a25) && a29 <= 140) && a3 == 1) && !(a4 == 1)) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((((a25 == 12 && a29 <= 274) && 247 <= a29) && a4 <= 0) || (((a29 <= 275 && a25 == 12) && 261 <= a29) && a4 <= 0)))) || ((((((!(input == 5) && 140 < a29) && a29 <= 245) && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || ((((((((a23 + 43 <= 0 && a25 == 12) && a29 <= 274) && a8 <= 15) && a3 == 1) && !(a4 == 1)) && a8 == 15) && 247 <= a29) && 130 <= a29) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 17:23:41,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_098713f1-7156-4362-bf9a-220f6df452a8/bin/uautomizer-uyxdKDjOR8/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