./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/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_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/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_bee27413-bec8-4605-9728-d2d291d022d8/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 09db197a4bc835c4357a369c0d6e9c99a50322d20849e0303ed04dd1e516e51b --- 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 19:52:20,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:52:20,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:52:20,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:52:20,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:52:20,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:52:20,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:52:20,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:52:20,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:52:20,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:52:20,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:52:20,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:52:20,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:52:20,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:52:20,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:52:20,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:52:20,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:52:20,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:52:20,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:52:20,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:52:20,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:52:20,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:52:20,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:52:20,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:52:20,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:52:20,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:52:20,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:52:20,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:52:20,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:52:20,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:52:20,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:52:20,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:52:20,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:52:20,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:52:20,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:52:20,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:52:20,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:52:20,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:52:20,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:52:20,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:52:20,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:52:20,067 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 19:52:20,083 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:52:20,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:52:20,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:52:20,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:52:20,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 19:52:20,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 19:52:20,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:52:20,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:52:20,085 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:52:20,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:52:20,085 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:52:20,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:52:20,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:52:20,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:52:20,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 19:52:20,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 19:52:20,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 19:52:20,086 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:52:20,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:52:20,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:52:20,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 19:52:20,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:52:20,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:52:20,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 19:52:20,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:52:20,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:52:20,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 19:52:20,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 19:52:20,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:52:20,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 19:52:20,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 19:52:20,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 19:52:20,088 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 19:52:20,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 19:52:20,088 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 19:52:20,088 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_bee27413-bec8-4605-9728-d2d291d022d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09db197a4bc835c4357a369c0d6e9c99a50322d20849e0303ed04dd1e516e51b [2022-12-13 19:52:20,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:52:20,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:52:20,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:52:20,263 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:52:20,263 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:52:20,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem03_label17.c [2022-12-13 19:52:22,795 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:52:23,038 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:52:23,038 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/sv-benchmarks/c/eca-rers2012/Problem03_label17.c [2022-12-13 19:52:23,052 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/data/0d47ce01e/7b2a5424a63a4fd3a4980992d752db6c/FLAG8d8a375fd [2022-12-13 19:52:23,066 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/data/0d47ce01e/7b2a5424a63a4fd3a4980992d752db6c [2022-12-13 19:52:23,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:52:23,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:52:23,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:52:23,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:52:23,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:52:23,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2005650d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23, skipping insertion in model container [2022-12-13 19:52:23,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:52:23,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:52:23,499 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_bee27413-bec8-4605-9728-d2d291d022d8/sv-benchmarks/c/eca-rers2012/Problem03_label17.c[61094,61107] [2022-12-13 19:52:23,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:52:23,524 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:52:23,727 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_bee27413-bec8-4605-9728-d2d291d022d8/sv-benchmarks/c/eca-rers2012/Problem03_label17.c[61094,61107] [2022-12-13 19:52:23,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:52:23,745 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:52:23,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23 WrapperNode [2022-12-13 19:52:23,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:52:23,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:52:23,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:52:23,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:52:23,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,828 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-12-13 19:52:23,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:52:23,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:52:23,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:52:23,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:52:23,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,885 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:52:23,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:52:23,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:52:23,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:52:23,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (1/1) ... [2022-12-13 19:52:23,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 19:52:23,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:52:23,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 19:52:23,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 19:52:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:52:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:52:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:52:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:52:24,028 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:52:24,030 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:52:25,347 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:52:25,360 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:52:25,360 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 19:52:25,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:52:25 BoogieIcfgContainer [2022-12-13 19:52:25,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:52:25,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 19:52:25,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 19:52:25,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 19:52:25,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 07:52:23" (1/3) ... [2022-12-13 19:52:25,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2241574e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:52:25, skipping insertion in model container [2022-12-13 19:52:25,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:52:23" (2/3) ... [2022-12-13 19:52:25,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2241574e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 07:52:25, skipping insertion in model container [2022-12-13 19:52:25,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:52:25" (3/3) ... [2022-12-13 19:52:25,369 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label17.c [2022-12-13 19:52:25,384 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 19:52:25,384 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 19:52:25,425 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 19:52:25,430 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;@51c1e897, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 19:52:25,430 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 19:52:25,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:52:25,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-12-13 19:52:25,446 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:25,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:25,447 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:25,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:25,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1830500685, now seen corresponding path program 1 times [2022-12-13 19:52:25,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:25,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463209976] [2022-12-13 19:52:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:25,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:26,015 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 19:52:26,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:26,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463209976] [2022-12-13 19:52:26,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463209976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:26,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:26,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:52:26,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499383063] [2022-12-13 19:52:26,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:26,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:26,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:26,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:26,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:26,050 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 2 states have internal predecessors, (199), 0 states have call successors, (0), 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 19:52:26,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:26,908 INFO L93 Difference]: Finished difference Result 833 states and 1474 transitions. [2022-12-13 19:52:26,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:26,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 2 states have internal predecessors, (199), 0 states have call successors, (0), 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 199 [2022-12-13 19:52:26,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:26,920 INFO L225 Difference]: With dead ends: 833 [2022-12-13 19:52:26,921 INFO L226 Difference]: Without dead ends: 454 [2022-12-13 19:52:26,924 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 19:52:26,927 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 92 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 200 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 200 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:26,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 163 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [200 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 19:52:26,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2022-12-13 19:52:26,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 450. [2022-12-13 19:52:26,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 449 states have (on average 1.55902004454343) internal successors, (700), 449 states have internal predecessors, (700), 0 states have call successors, (0), 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 19:52:26,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 700 transitions. [2022-12-13 19:52:26,983 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 700 transitions. Word has length 199 [2022-12-13 19:52:26,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:26,984 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 700 transitions. [2022-12-13 19:52:26,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 2 states have internal predecessors, (199), 0 states have call successors, (0), 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 19:52:26,984 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 700 transitions. [2022-12-13 19:52:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-13 19:52:26,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:26,994 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:26,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 19:52:26,995 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:26,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:26,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1786939481, now seen corresponding path program 1 times [2022-12-13 19:52:26,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:26,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394140234] [2022-12-13 19:52:26,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:26,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:52:27,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:27,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394140234] [2022-12-13 19:52:27,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394140234] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:27,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:27,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:52:27,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419562351] [2022-12-13 19:52:27,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:27,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:27,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:27,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:27,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:27,280 INFO L87 Difference]: Start difference. First operand 450 states and 700 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 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 19:52:27,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:27,912 INFO L93 Difference]: Finished difference Result 1337 states and 2085 transitions. [2022-12-13 19:52:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:27,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 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 205 [2022-12-13 19:52:27,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:27,919 INFO L225 Difference]: With dead ends: 1337 [2022-12-13 19:52:27,919 INFO L226 Difference]: Without dead ends: 889 [2022-12-13 19:52:27,921 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 19:52:27,922 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 285 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:27,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 104 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 19:52:27,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2022-12-13 19:52:27,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 885. [2022-12-13 19:52:27,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 884 states have (on average 1.5429864253393666) internal successors, (1364), 884 states have internal predecessors, (1364), 0 states have call successors, (0), 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 19:52:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1364 transitions. [2022-12-13 19:52:27,956 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1364 transitions. Word has length 205 [2022-12-13 19:52:27,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:27,956 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1364 transitions. [2022-12-13 19:52:27,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 2 states have internal predecessors, (205), 0 states have call successors, (0), 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 19:52:27,956 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1364 transitions. [2022-12-13 19:52:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-13 19:52:27,960 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:27,960 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:27,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 19:52:27,960 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:27,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:27,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1463720228, now seen corresponding path program 1 times [2022-12-13 19:52:27,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:27,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115007777] [2022-12-13 19:52:27,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:27,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:52:28,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:28,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115007777] [2022-12-13 19:52:28,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115007777] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:28,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:28,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:52:28,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091571093] [2022-12-13 19:52:28,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:28,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:28,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:28,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:28,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:28,097 INFO L87 Difference]: Start difference. First operand 885 states and 1364 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 19:52:28,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:28,797 INFO L93 Difference]: Finished difference Result 2599 states and 4012 transitions. [2022-12-13 19:52:28,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:28,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 212 [2022-12-13 19:52:28,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:28,803 INFO L225 Difference]: With dead ends: 2599 [2022-12-13 19:52:28,803 INFO L226 Difference]: Without dead ends: 1716 [2022-12-13 19:52:28,805 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 19:52:28,806 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 258 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:28,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 134 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 19:52:28,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-12-13 19:52:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1714. [2022-12-13 19:52:28,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.4687682428488034) internal successors, (2516), 1713 states have internal predecessors, (2516), 0 states have call successors, (0), 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 19:52:28,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2516 transitions. [2022-12-13 19:52:28,838 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2516 transitions. Word has length 212 [2022-12-13 19:52:28,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:28,839 INFO L495 AbstractCegarLoop]: Abstraction has 1714 states and 2516 transitions. [2022-12-13 19:52:28,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 0 states have call successors, (0), 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 19:52:28,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2516 transitions. [2022-12-13 19:52:28,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-12-13 19:52:28,842 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:28,843 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:28,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 19:52:28,843 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:28,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:28,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1975689975, now seen corresponding path program 1 times [2022-12-13 19:52:28,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:28,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068257085] [2022-12-13 19:52:28,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:28,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:52:29,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:29,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068257085] [2022-12-13 19:52:29,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068257085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:29,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:29,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:52:29,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582346613] [2022-12-13 19:52:29,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:29,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:29,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:29,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:29,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:29,071 INFO L87 Difference]: Start difference. First operand 1714 states and 2516 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 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 19:52:29,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:29,724 INFO L93 Difference]: Finished difference Result 4665 states and 6865 transitions. [2022-12-13 19:52:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:29,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 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 212 [2022-12-13 19:52:29,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:29,732 INFO L225 Difference]: With dead ends: 4665 [2022-12-13 19:52:29,732 INFO L226 Difference]: Without dead ends: 2953 [2022-12-13 19:52:29,734 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 19:52:29,735 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 241 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:29,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 167 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 19:52:29,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2953 states. [2022-12-13 19:52:29,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2953 to 2949. [2022-12-13 19:52:29,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2948 states have (on average 1.4189280868385346) internal successors, (4183), 2948 states have internal predecessors, (4183), 0 states have call successors, (0), 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 19:52:29,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 4183 transitions. [2022-12-13 19:52:29,795 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 4183 transitions. Word has length 212 [2022-12-13 19:52:29,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:29,795 INFO L495 AbstractCegarLoop]: Abstraction has 2949 states and 4183 transitions. [2022-12-13 19:52:29,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 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 19:52:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 4183 transitions. [2022-12-13 19:52:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-13 19:52:29,800 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:29,800 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:29,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 19:52:29,801 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:29,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:29,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1982755944, now seen corresponding path program 1 times [2022-12-13 19:52:29,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:29,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053784133] [2022-12-13 19:52:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:29,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:29,904 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 19:52:29,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:29,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053784133] [2022-12-13 19:52:29,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053784133] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:29,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:29,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:52:29,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56667517] [2022-12-13 19:52:29,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:29,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:29,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:29,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:29,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:29,907 INFO L87 Difference]: Start difference. First operand 2949 states and 4183 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 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 19:52:30,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:30,680 INFO L93 Difference]: Finished difference Result 8575 states and 12210 transitions. [2022-12-13 19:52:30,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:30,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 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 213 [2022-12-13 19:52:30,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:30,694 INFO L225 Difference]: With dead ends: 8575 [2022-12-13 19:52:30,695 INFO L226 Difference]: Without dead ends: 5831 [2022-12-13 19:52:30,698 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 19:52:30,699 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:30,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 92 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 19:52:30,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5831 states. [2022-12-13 19:52:30,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5831 to 5795. [2022-12-13 19:52:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5795 states, 5794 states have (on average 1.387124611667242) internal successors, (8037), 5794 states have internal predecessors, (8037), 0 states have call successors, (0), 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 19:52:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5795 states to 5795 states and 8037 transitions. [2022-12-13 19:52:30,811 INFO L78 Accepts]: Start accepts. Automaton has 5795 states and 8037 transitions. Word has length 213 [2022-12-13 19:52:30,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:30,812 INFO L495 AbstractCegarLoop]: Abstraction has 5795 states and 8037 transitions. [2022-12-13 19:52:30,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 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 19:52:30,812 INFO L276 IsEmpty]: Start isEmpty. Operand 5795 states and 8037 transitions. [2022-12-13 19:52:30,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-12-13 19:52:30,819 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:30,819 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:30,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 19:52:30,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:30,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:30,819 INFO L85 PathProgramCache]: Analyzing trace with hash -862515586, now seen corresponding path program 1 times [2022-12-13 19:52:30,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:30,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761131264] [2022-12-13 19:52:30,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:30,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:31,056 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 19:52:31,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:31,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761131264] [2022-12-13 19:52:31,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761131264] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:31,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:31,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:52:31,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934014606] [2022-12-13 19:52:31,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:31,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:31,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:31,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:31,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:31,059 INFO L87 Difference]: Start difference. First operand 5795 states and 8037 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 19:52:31,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:31,743 INFO L93 Difference]: Finished difference Result 17290 states and 23986 transitions. [2022-12-13 19:52:31,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:31,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 227 [2022-12-13 19:52:31,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:31,762 INFO L225 Difference]: With dead ends: 17290 [2022-12-13 19:52:31,762 INFO L226 Difference]: Without dead ends: 11497 [2022-12-13 19:52:31,766 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 19:52:31,767 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 217 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:31,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 414 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 19:52:31,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11497 states. [2022-12-13 19:52:31,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11497 to 11490. [2022-12-13 19:52:31,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11490 states, 11489 states have (on average 1.298807555052659) internal successors, (14922), 11489 states have internal predecessors, (14922), 0 states have call successors, (0), 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 19:52:31,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11490 states to 11490 states and 14922 transitions. [2022-12-13 19:52:31,913 INFO L78 Accepts]: Start accepts. Automaton has 11490 states and 14922 transitions. Word has length 227 [2022-12-13 19:52:31,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:31,914 INFO L495 AbstractCegarLoop]: Abstraction has 11490 states and 14922 transitions. [2022-12-13 19:52:31,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 3 states have internal predecessors, (216), 0 states have call successors, (0), 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 19:52:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 11490 states and 14922 transitions. [2022-12-13 19:52:31,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-13 19:52:31,926 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:31,926 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:31,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 19:52:31,926 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:31,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:31,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1762359950, now seen corresponding path program 1 times [2022-12-13 19:52:31,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:31,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953938440] [2022-12-13 19:52:31,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:31,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 19:52:32,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:32,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953938440] [2022-12-13 19:52:32,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953938440] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:32,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:32,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:52:32,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383541942] [2022-12-13 19:52:32,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:32,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:32,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:32,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:32,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:32,232 INFO L87 Difference]: Start difference. First operand 11490 states and 14922 transitions. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 2 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:52:32,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:32,952 INFO L93 Difference]: Finished difference Result 30543 states and 39618 transitions. [2022-12-13 19:52:32,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:32,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 2 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 234 [2022-12-13 19:52:32,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:32,981 INFO L225 Difference]: With dead ends: 30543 [2022-12-13 19:52:32,982 INFO L226 Difference]: Without dead ends: 19867 [2022-12-13 19:52:32,990 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 19:52:32,990 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 219 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:32,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 162 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 19:52:33,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19867 states. [2022-12-13 19:52:33,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19867 to 19849. [2022-12-13 19:52:33,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19849 states, 19848 states have (on average 1.2677347843611446) internal successors, (25162), 19848 states have internal predecessors, (25162), 0 states have call successors, (0), 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 19:52:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19849 states to 19849 states and 25162 transitions. [2022-12-13 19:52:33,192 INFO L78 Accepts]: Start accepts. Automaton has 19849 states and 25162 transitions. Word has length 234 [2022-12-13 19:52:33,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:33,192 INFO L495 AbstractCegarLoop]: Abstraction has 19849 states and 25162 transitions. [2022-12-13 19:52:33,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 2 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 19:52:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 19849 states and 25162 transitions. [2022-12-13 19:52:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-12-13 19:52:33,212 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:33,213 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:33,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 19:52:33,213 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:33,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:33,213 INFO L85 PathProgramCache]: Analyzing trace with hash 968891670, now seen corresponding path program 1 times [2022-12-13 19:52:33,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:33,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951530733] [2022-12-13 19:52:33,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:33,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-12-13 19:52:33,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:33,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951530733] [2022-12-13 19:52:33,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951530733] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:33,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:33,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:52:33,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717107234] [2022-12-13 19:52:33,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:33,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:33,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:33,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:33,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:33,511 INFO L87 Difference]: Start difference. First operand 19849 states and 25162 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 19:52:34,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:34,221 INFO L93 Difference]: Finished difference Result 45211 states and 57514 transitions. [2022-12-13 19:52:34,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:34,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2022-12-13 19:52:34,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:34,256 INFO L225 Difference]: With dead ends: 45211 [2022-12-13 19:52:34,257 INFO L226 Difference]: Without dead ends: 25364 [2022-12-13 19:52:34,268 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 19:52:34,268 INFO L413 NwaCegarLoop]: 387 mSDtfsCounter, 210 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:34,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 408 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 19:52:34,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25364 states. [2022-12-13 19:52:34,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25364 to 24516. [2022-12-13 19:52:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24516 states, 24515 states have (on average 1.2369161737711605) internal successors, (30323), 24515 states have internal predecessors, (30323), 0 states have call successors, (0), 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 19:52:34,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24516 states to 24516 states and 30323 transitions. [2022-12-13 19:52:34,527 INFO L78 Accepts]: Start accepts. Automaton has 24516 states and 30323 transitions. Word has length 253 [2022-12-13 19:52:34,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:34,527 INFO L495 AbstractCegarLoop]: Abstraction has 24516 states and 30323 transitions. [2022-12-13 19:52:34,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 19:52:34,528 INFO L276 IsEmpty]: Start isEmpty. Operand 24516 states and 30323 transitions. [2022-12-13 19:52:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-12-13 19:52:34,547 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:34,547 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:34,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 19:52:34,548 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:34,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:34,548 INFO L85 PathProgramCache]: Analyzing trace with hash -268911777, now seen corresponding path program 1 times [2022-12-13 19:52:34,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:34,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200949198] [2022-12-13 19:52:34,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:34,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:34,827 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 19:52:34,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:34,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200949198] [2022-12-13 19:52:34,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200949198] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:34,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:34,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:52:34,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715737415] [2022-12-13 19:52:34,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:34,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:34,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:34,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:34,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:34,830 INFO L87 Difference]: Start difference. First operand 24516 states and 30323 transitions. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 2 states have internal predecessors, (221), 0 states have call successors, (0), 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 19:52:35,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:35,571 INFO L93 Difference]: Finished difference Result 53726 states and 66220 transitions. [2022-12-13 19:52:35,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:35,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 2 states have internal predecessors, (221), 0 states have call successors, (0), 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 259 [2022-12-13 19:52:35,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:35,617 INFO L225 Difference]: With dead ends: 53726 [2022-12-13 19:52:35,617 INFO L226 Difference]: Without dead ends: 30227 [2022-12-13 19:52:35,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:35,632 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 204 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:35,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 184 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 19:52:35,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30227 states. [2022-12-13 19:52:35,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30227 to 30200. [2022-12-13 19:52:35,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30200 states, 30199 states have (on average 1.2160336434981291) internal successors, (36723), 30199 states have internal predecessors, (36723), 0 states have call successors, (0), 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 19:52:35,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30200 states to 30200 states and 36723 transitions. [2022-12-13 19:52:35,969 INFO L78 Accepts]: Start accepts. Automaton has 30200 states and 36723 transitions. Word has length 259 [2022-12-13 19:52:35,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:35,970 INFO L495 AbstractCegarLoop]: Abstraction has 30200 states and 36723 transitions. [2022-12-13 19:52:35,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 2 states have internal predecessors, (221), 0 states have call successors, (0), 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 19:52:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 30200 states and 36723 transitions. [2022-12-13 19:52:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-12-13 19:52:35,989 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:35,989 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:35,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 19:52:35,989 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:35,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:35,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1560875220, now seen corresponding path program 2 times [2022-12-13 19:52:35,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:35,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076412337] [2022-12-13 19:52:35,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:35,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:36,342 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 19:52:36,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:36,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076412337] [2022-12-13 19:52:36,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076412337] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:52:36,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83956238] [2022-12-13 19:52:36,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 19:52:36,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:52:36,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:52:36,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:52:36,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 19:52:36,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 19:52:36,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 19:52:36,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:52:36,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:52:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-13 19:52:36,739 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:52:36,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83956238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:36,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:52:36,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 19:52:36,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363213177] [2022-12-13 19:52:36,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:36,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:36,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:36,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:36,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:36,742 INFO L87 Difference]: Start difference. First operand 30200 states and 36723 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 19:52:37,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:37,582 INFO L93 Difference]: Finished difference Result 66947 states and 82285 transitions. [2022-12-13 19:52:37,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:37,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 266 [2022-12-13 19:52:37,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:37,625 INFO L225 Difference]: With dead ends: 66947 [2022-12-13 19:52:37,625 INFO L226 Difference]: Without dead ends: 37561 [2022-12-13 19:52:37,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 265 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 19:52:37,644 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 70 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:37,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 189 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 19:52:37,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37561 states. [2022-12-13 19:52:38,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37561 to 37538. [2022-12-13 19:52:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37538 states, 37537 states have (on average 1.214481711378107) internal successors, (45588), 37537 states have internal predecessors, (45588), 0 states have call successors, (0), 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 19:52:38,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37538 states to 37538 states and 45588 transitions. [2022-12-13 19:52:38,091 INFO L78 Accepts]: Start accepts. Automaton has 37538 states and 45588 transitions. Word has length 266 [2022-12-13 19:52:38,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:38,091 INFO L495 AbstractCegarLoop]: Abstraction has 37538 states and 45588 transitions. [2022-12-13 19:52:38,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 19:52:38,092 INFO L276 IsEmpty]: Start isEmpty. Operand 37538 states and 45588 transitions. [2022-12-13 19:52:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-12-13 19:52:38,118 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:38,118 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:38,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:52:38,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-13 19:52:38,319 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:38,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:38,320 INFO L85 PathProgramCache]: Analyzing trace with hash 659764699, now seen corresponding path program 1 times [2022-12-13 19:52:38,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:38,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136741608] [2022-12-13 19:52:38,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:38,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:38,567 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-13 19:52:38,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:38,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136741608] [2022-12-13 19:52:38,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136741608] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:38,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:38,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:52:38,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072412038] [2022-12-13 19:52:38,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:38,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:52:38,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:38,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:52:38,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:52:38,570 INFO L87 Difference]: Start difference. First operand 37538 states and 45588 transitions. Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 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 19:52:39,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:39,712 INFO L93 Difference]: Finished difference Result 71893 states and 87534 transitions. [2022-12-13 19:52:39,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:52:39,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 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 269 [2022-12-13 19:52:39,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:39,745 INFO L225 Difference]: With dead ends: 71893 [2022-12-13 19:52:39,746 INFO L226 Difference]: Without dead ends: 37605 [2022-12-13 19:52:39,762 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 19:52:39,763 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 431 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:39,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 193 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 19:52:39,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37605 states. [2022-12-13 19:52:40,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37605 to 36726. [2022-12-13 19:52:40,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36726 states, 36725 states have (on average 1.2159836623553437) internal successors, (44657), 36725 states have internal predecessors, (44657), 0 states have call successors, (0), 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 19:52:40,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36726 states to 36726 states and 44657 transitions. [2022-12-13 19:52:40,267 INFO L78 Accepts]: Start accepts. Automaton has 36726 states and 44657 transitions. Word has length 269 [2022-12-13 19:52:40,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:40,268 INFO L495 AbstractCegarLoop]: Abstraction has 36726 states and 44657 transitions. [2022-12-13 19:52:40,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 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 19:52:40,268 INFO L276 IsEmpty]: Start isEmpty. Operand 36726 states and 44657 transitions. [2022-12-13 19:52:40,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-12-13 19:52:40,313 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:40,313 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:40,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 19:52:40,314 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:40,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:40,314 INFO L85 PathProgramCache]: Analyzing trace with hash 2084764944, now seen corresponding path program 1 times [2022-12-13 19:52:40,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:40,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855726080] [2022-12-13 19:52:40,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:40,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 88 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 19:52:40,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:40,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855726080] [2022-12-13 19:52:40,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855726080] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:52:40,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957855133] [2022-12-13 19:52:40,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:40,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:52:40,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:52:40,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:52:40,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 19:52:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:40,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:52:40,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:52:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 19:52:40,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:52:40,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957855133] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:40,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:52:40,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 19:52:40,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950742438] [2022-12-13 19:52:40,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:40,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:40,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:40,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:40,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:40,851 INFO L87 Difference]: Start difference. First operand 36726 states and 44657 transitions. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 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 19:52:41,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:41,719 INFO L93 Difference]: Finished difference Result 69850 states and 84980 transitions. [2022-12-13 19:52:41,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:41,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 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 276 [2022-12-13 19:52:41,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:41,749 INFO L225 Difference]: With dead ends: 69850 [2022-12-13 19:52:41,749 INFO L226 Difference]: Without dead ends: 33938 [2022-12-13 19:52:41,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:41,761 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 212 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:41,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 363 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 19:52:41,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33938 states. [2022-12-13 19:52:42,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33938 to 33884. [2022-12-13 19:52:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33884 states, 33883 states have (on average 1.2028745978809432) internal successors, (40757), 33883 states have internal predecessors, (40757), 0 states have call successors, (0), 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 19:52:42,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33884 states to 33884 states and 40757 transitions. [2022-12-13 19:52:42,071 INFO L78 Accepts]: Start accepts. Automaton has 33884 states and 40757 transitions. Word has length 276 [2022-12-13 19:52:42,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:42,072 INFO L495 AbstractCegarLoop]: Abstraction has 33884 states and 40757 transitions. [2022-12-13 19:52:42,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 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 19:52:42,072 INFO L276 IsEmpty]: Start isEmpty. Operand 33884 states and 40757 transitions. [2022-12-13 19:52:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-12-13 19:52:42,094 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:42,094 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:42,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 19:52:42,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-12-13 19:52:42,297 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:42,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:42,298 INFO L85 PathProgramCache]: Analyzing trace with hash 828148250, now seen corresponding path program 1 times [2022-12-13 19:52:42,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:42,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071480293] [2022-12-13 19:52:42,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:42,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 92 proven. 6 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-12-13 19:52:42,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:42,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071480293] [2022-12-13 19:52:42,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071480293] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:52:42,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191222007] [2022-12-13 19:52:42,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:42,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:52:42,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:52:42,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:52:42,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 19:52:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:42,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:52:42,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:52:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-12-13 19:52:42,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:52:42,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191222007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:42,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:52:42,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 19:52:42,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256621768] [2022-12-13 19:52:42,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:42,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:42,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:42,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:42,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:42,907 INFO L87 Difference]: Start difference. First operand 33884 states and 40757 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 19:52:43,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:43,606 INFO L93 Difference]: Finished difference Result 70874 states and 86066 transitions. [2022-12-13 19:52:43,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:43,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 19:52:43,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:43,683 INFO L225 Difference]: With dead ends: 70874 [2022-12-13 19:52:43,683 INFO L226 Difference]: Without dead ends: 39428 [2022-12-13 19:52:43,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:43,697 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 45 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:43,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 187 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 19:52:43,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39428 states. [2022-12-13 19:52:44,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39428 to 39373. [2022-12-13 19:52:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39373 states, 39372 states have (on average 1.2134511835822412) internal successors, (47776), 39372 states have internal predecessors, (47776), 0 states have call successors, (0), 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 19:52:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39373 states to 39373 states and 47776 transitions. [2022-12-13 19:52:44,221 INFO L78 Accepts]: Start accepts. Automaton has 39373 states and 47776 transitions. Word has length 280 [2022-12-13 19:52:44,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:44,222 INFO L495 AbstractCegarLoop]: Abstraction has 39373 states and 47776 transitions. [2022-12-13 19:52:44,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 19:52:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 39373 states and 47776 transitions. [2022-12-13 19:52:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-12-13 19:52:44,262 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:44,262 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:44,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-13 19:52:44,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:52:44,464 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:44,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:44,466 INFO L85 PathProgramCache]: Analyzing trace with hash 902513258, now seen corresponding path program 1 times [2022-12-13 19:52:44,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:44,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108043475] [2022-12-13 19:52:44,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:44,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 122 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2022-12-13 19:52:44,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:44,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108043475] [2022-12-13 19:52:44,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108043475] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:52:44,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786752001] [2022-12-13 19:52:44,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:44,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:52:44,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:52:44,899 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:52:44,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 19:52:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:45,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:52:45,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:52:45,128 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-12-13 19:52:45,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:52:45,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786752001] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:45,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:52:45,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 19:52:45,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928090101] [2022-12-13 19:52:45,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:45,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:45,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:45,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:45,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:45,129 INFO L87 Difference]: Start difference. First operand 39373 states and 47776 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 19:52:45,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:45,673 INFO L93 Difference]: Finished difference Result 108703 states and 132129 transitions. [2022-12-13 19:52:45,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:45,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 304 [2022-12-13 19:52:45,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:45,747 INFO L225 Difference]: With dead ends: 108703 [2022-12-13 19:52:45,747 INFO L226 Difference]: Without dead ends: 71768 [2022-12-13 19:52:45,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:45,770 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 303 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:45,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 917 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 19:52:45,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71768 states. [2022-12-13 19:52:46,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71768 to 70954. [2022-12-13 19:52:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70954 states, 70953 states have (on average 1.1937902555212605) internal successors, (84703), 70953 states have internal predecessors, (84703), 0 states have call successors, (0), 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 19:52:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70954 states to 70954 states and 84703 transitions. [2022-12-13 19:52:46,570 INFO L78 Accepts]: Start accepts. Automaton has 70954 states and 84703 transitions. Word has length 304 [2022-12-13 19:52:46,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:46,570 INFO L495 AbstractCegarLoop]: Abstraction has 70954 states and 84703 transitions. [2022-12-13 19:52:46,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 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 19:52:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 70954 states and 84703 transitions. [2022-12-13 19:52:46,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-12-13 19:52:46,619 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:46,619 INFO L195 NwaCegarLoop]: trace histogram [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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:46,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 19:52:46,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:52:46,821 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:46,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:46,823 INFO L85 PathProgramCache]: Analyzing trace with hash 499805069, now seen corresponding path program 1 times [2022-12-13 19:52:46,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:46,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459985066] [2022-12-13 19:52:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:46,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-12-13 19:52:47,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:47,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459985066] [2022-12-13 19:52:47,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459985066] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:47,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:52:47,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:52:47,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661968415] [2022-12-13 19:52:47,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:47,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:47,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:47,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:47,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:52:47,048 INFO L87 Difference]: Start difference. First operand 70954 states and 84703 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 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 19:52:47,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:47,995 INFO L93 Difference]: Finished difference Result 156565 states and 186686 transitions. [2022-12-13 19:52:47,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:47,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 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 304 [2022-12-13 19:52:47,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:48,077 INFO L225 Difference]: With dead ends: 156565 [2022-12-13 19:52:48,078 INFO L226 Difference]: Without dead ends: 88049 [2022-12-13 19:52:48,198 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 19:52:48,198 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 232 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:48,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 164 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 19:52:48,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88049 states. [2022-12-13 19:52:49,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88049 to 88045. [2022-12-13 19:52:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88045 states, 88044 states have (on average 1.1713461451092635) internal successors, (103130), 88044 states have internal predecessors, (103130), 0 states have call successors, (0), 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 19:52:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88045 states to 88045 states and 103130 transitions. [2022-12-13 19:52:49,207 INFO L78 Accepts]: Start accepts. Automaton has 88045 states and 103130 transitions. Word has length 304 [2022-12-13 19:52:49,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:49,208 INFO L495 AbstractCegarLoop]: Abstraction has 88045 states and 103130 transitions. [2022-12-13 19:52:49,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 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 19:52:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 88045 states and 103130 transitions. [2022-12-13 19:52:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-12-13 19:52:49,297 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:49,298 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:49,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 19:52:49,298 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:49,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:49,298 INFO L85 PathProgramCache]: Analyzing trace with hash -728099305, now seen corresponding path program 1 times [2022-12-13 19:52:49,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:49,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256955874] [2022-12-13 19:52:49,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:49,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-13 19:52:49,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:49,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256955874] [2022-12-13 19:52:49,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256955874] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:52:49,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948482166] [2022-12-13 19:52:49,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:49,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:52:49,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:52:49,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:52:49,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 19:52:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:49,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:52:49,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:52:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-12-13 19:52:50,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:52:50,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948482166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:50,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:52:50,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 19:52:50,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543585102] [2022-12-13 19:52:50,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:50,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:50,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:50,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:50,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:50,011 INFO L87 Difference]: Start difference. First operand 88045 states and 103130 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 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 19:52:51,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:51,631 INFO L93 Difference]: Finished difference Result 202668 states and 238273 transitions. [2022-12-13 19:52:51,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:51,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 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 311 [2022-12-13 19:52:51,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:51,745 INFO L225 Difference]: With dead ends: 202668 [2022-12-13 19:52:51,745 INFO L226 Difference]: Without dead ends: 115437 [2022-12-13 19:52:51,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:51,772 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 222 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:51,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 171 Invalid, 719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 19:52:51,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115437 states. [2022-12-13 19:52:52,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115437 to 100605. [2022-12-13 19:52:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100605 states, 100604 states have (on average 1.127917379030655) internal successors, (113473), 100604 states have internal predecessors, (113473), 0 states have call successors, (0), 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 19:52:52,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100605 states to 100605 states and 113473 transitions. [2022-12-13 19:52:52,983 INFO L78 Accepts]: Start accepts. Automaton has 100605 states and 113473 transitions. Word has length 311 [2022-12-13 19:52:52,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:52,983 INFO L495 AbstractCegarLoop]: Abstraction has 100605 states and 113473 transitions. [2022-12-13 19:52:52,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 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 19:52:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 100605 states and 113473 transitions. [2022-12-13 19:52:53,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-12-13 19:52:53,039 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:53,040 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:52:53,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 19:52:53,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-12-13 19:52:53,242 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:53,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:53,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2024505437, now seen corresponding path program 1 times [2022-12-13 19:52:53,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:53,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455052995] [2022-12-13 19:52:53,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:53,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 94 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-13 19:52:53,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:53,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455052995] [2022-12-13 19:52:53,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455052995] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:52:53,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178374737] [2022-12-13 19:52:53,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:53,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:52:53,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:52:53,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:52:53,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 19:52:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:53,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:52:53,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:52:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-13 19:52:54,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:52:54,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178374737] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:52:54,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:52:54,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 19:52:54,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502332260] [2022-12-13 19:52:54,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:52:54,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:52:54,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:54,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:52:54,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:54,102 INFO L87 Difference]: Start difference. First operand 100605 states and 113473 transitions. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 19:52:55,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:52:55,105 INFO L93 Difference]: Finished difference Result 214147 states and 240630 transitions. [2022-12-13 19:52:55,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:52:55,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 19:52:55,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:52:55,224 INFO L225 Difference]: With dead ends: 214147 [2022-12-13 19:52:55,224 INFO L226 Difference]: Without dead ends: 114153 [2022-12-13 19:52:55,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:52:55,268 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 78 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:52:55,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 103 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 19:52:55,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114153 states. [2022-12-13 19:52:56,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114153 to 110289. [2022-12-13 19:52:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110289 states, 110288 states have (on average 1.1191698099521254) internal successors, (123431), 110288 states have internal predecessors, (123431), 0 states have call successors, (0), 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 19:52:56,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110289 states to 110289 states and 123431 transitions. [2022-12-13 19:52:56,962 INFO L78 Accepts]: Start accepts. Automaton has 110289 states and 123431 transitions. Word has length 321 [2022-12-13 19:52:56,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:52:56,963 INFO L495 AbstractCegarLoop]: Abstraction has 110289 states and 123431 transitions. [2022-12-13 19:52:56,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 0 states have call successors, (0), 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 19:52:56,963 INFO L276 IsEmpty]: Start isEmpty. Operand 110289 states and 123431 transitions. [2022-12-13 19:52:57,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-12-13 19:52:57,048 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:52:57,048 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:52:57,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 19:52:57,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-12-13 19:52:57,251 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:52:57,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:52:57,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1934345327, now seen corresponding path program 1 times [2022-12-13 19:52:57,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:52:57,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551452120] [2022-12-13 19:52:57,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:57,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:52:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:57,697 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 93 proven. 6 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-13 19:52:57,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:52:57,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551452120] [2022-12-13 19:52:57,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551452120] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:52:57,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971546808] [2022-12-13 19:52:57,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:52:57,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:52:57,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:52:57,698 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:52:57,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 19:52:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:52:57,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:52:57,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:52:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 180 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:52:58,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 19:52:58,077 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 180 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 19:52:58,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971546808] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 19:52:58,077 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 19:52:58,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 6 [2022-12-13 19:52:58,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235800860] [2022-12-13 19:52:58,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 19:52:58,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 19:52:58,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:52:58,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 19:52:58,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 19:52:58,080 INFO L87 Difference]: Start difference. First operand 110289 states and 123431 transitions. Second operand has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 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 19:53:01,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:53:01,991 INFO L93 Difference]: Finished difference Result 381045 states and 428412 transitions. [2022-12-13 19:53:01,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 19:53:01,991 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 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 324 [2022-12-13 19:53:01,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:53:02,303 INFO L225 Difference]: With dead ends: 381045 [2022-12-13 19:53:02,303 INFO L226 Difference]: Without dead ends: 271367 [2022-12-13 19:53:02,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 652 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-12-13 19:53:02,362 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 2949 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 3877 mSolverCounterSat, 623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 4500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 623 IncrementalHoareTripleChecker+Valid, 3877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:53:02,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 378 Invalid, 4500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [623 Valid, 3877 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 19:53:02,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271367 states. [2022-12-13 19:53:05,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271367 to 259278. [2022-12-13 19:53:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259278 states, 259277 states have (on average 1.1074835022003495) internal successors, (287145), 259277 states have internal predecessors, (287145), 0 states have call successors, (0), 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 19:53:06,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259278 states to 259278 states and 287145 transitions. [2022-12-13 19:53:06,151 INFO L78 Accepts]: Start accepts. Automaton has 259278 states and 287145 transitions. Word has length 324 [2022-12-13 19:53:06,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:53:06,152 INFO L495 AbstractCegarLoop]: Abstraction has 259278 states and 287145 transitions. [2022-12-13 19:53:06,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.0) internal successors, (360), 6 states have internal predecessors, (360), 0 states have call successors, (0), 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 19:53:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 259278 states and 287145 transitions. [2022-12-13 19:53:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-12-13 19:53:06,351 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:53:06,352 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:53:06,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 19:53:06,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-12-13 19:53:06,554 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:53:06,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:53:06,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1568167906, now seen corresponding path program 1 times [2022-12-13 19:53:06,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:53:06,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353398603] [2022-12-13 19:53:06,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:53:06,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:53:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:53:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-12-13 19:53:06,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:53:06,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353398603] [2022-12-13 19:53:06,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353398603] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:53:06,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:53:06,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:53:06,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191494398] [2022-12-13 19:53:06,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:53:06,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:53:06,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:53:06,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:53:06,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:53:06,858 INFO L87 Difference]: Start difference. First operand 259278 states and 287145 transitions. Second operand has 4 states, 4 states have (on average 75.5) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 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 19:53:09,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:53:09,208 INFO L93 Difference]: Finished difference Result 529831 states and 586923 transitions. [2022-12-13 19:53:09,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:53:09,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 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 359 [2022-12-13 19:53:09,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:53:09,624 INFO L225 Difference]: With dead ends: 529831 [2022-12-13 19:53:09,624 INFO L226 Difference]: Without dead ends: 271164 [2022-12-13 19:53:09,702 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 19:53:09,703 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 352 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 19:53:09,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 168 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1192 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 19:53:09,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271164 states. [2022-12-13 19:53:12,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271164 to 257263. [2022-12-13 19:53:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257263 states, 257262 states have (on average 1.1078239304677722) internal successors, (285001), 257262 states have internal predecessors, (285001), 0 states have call successors, (0), 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 19:53:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257263 states to 257263 states and 285001 transitions. [2022-12-13 19:53:13,227 INFO L78 Accepts]: Start accepts. Automaton has 257263 states and 285001 transitions. Word has length 359 [2022-12-13 19:53:13,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:53:13,227 INFO L495 AbstractCegarLoop]: Abstraction has 257263 states and 285001 transitions. [2022-12-13 19:53:13,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 75.5) internal successors, (302), 3 states have internal predecessors, (302), 0 states have call successors, (0), 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 19:53:13,228 INFO L276 IsEmpty]: Start isEmpty. Operand 257263 states and 285001 transitions. [2022-12-13 19:53:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-12-13 19:53:13,291 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:53:13,291 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:53:13,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 19:53:13,291 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:53:13,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:53:13,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1583047911, now seen corresponding path program 1 times [2022-12-13 19:53:13,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:53:13,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784915063] [2022-12-13 19:53:13,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:53:13,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:53:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:53:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-12-13 19:53:13,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:53:13,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784915063] [2022-12-13 19:53:13,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784915063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:53:13,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:53:13,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:53:13,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086253700] [2022-12-13 19:53:13,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:53:13,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 19:53:13,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:53:13,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 19:53:13,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 19:53:13,505 INFO L87 Difference]: Start difference. First operand 257263 states and 285001 transitions. Second operand has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 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 19:53:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:53:15,529 INFO L93 Difference]: Finished difference Result 494017 states and 546673 transitions. [2022-12-13 19:53:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 19:53:15,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 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 361 [2022-12-13 19:53:15,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:53:15,834 INFO L225 Difference]: With dead ends: 494017 [2022-12-13 19:53:15,834 INFO L226 Difference]: Without dead ends: 237365 [2022-12-13 19:53:16,036 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 19:53:16,037 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 542 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:53:16,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 395 Invalid, 817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 761 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 19:53:16,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237365 states. [2022-12-13 19:53:18,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237365 to 236945. [2022-12-13 19:53:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236945 states, 236944 states have (on average 1.1043368897292187) internal successors, (261666), 236944 states have internal predecessors, (261666), 0 states have call successors, (0), 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 19:53:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236945 states to 236945 states and 261666 transitions. [2022-12-13 19:53:19,005 INFO L78 Accepts]: Start accepts. Automaton has 236945 states and 261666 transitions. Word has length 361 [2022-12-13 19:53:19,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:53:19,006 INFO L495 AbstractCegarLoop]: Abstraction has 236945 states and 261666 transitions. [2022-12-13 19:53:19,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.0) internal successors, (244), 3 states have internal predecessors, (244), 0 states have call successors, (0), 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 19:53:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 236945 states and 261666 transitions. [2022-12-13 19:53:19,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-12-13 19:53:19,201 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:53:19,201 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:53:19,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 19:53:19,202 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:53:19,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:53:19,202 INFO L85 PathProgramCache]: Analyzing trace with hash 2069341334, now seen corresponding path program 1 times [2022-12-13 19:53:19,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:53:19,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312936331] [2022-12-13 19:53:19,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:53:19,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:53:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:53:19,627 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 175 proven. 6 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-12-13 19:53:19,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:53:19,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312936331] [2022-12-13 19:53:19,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312936331] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:53:19,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809560603] [2022-12-13 19:53:19,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:53:19,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:53:19,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:53:19,629 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:53:19,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 19:53:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:53:19,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:53:19,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:53:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-13 19:53:20,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:53:20,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809560603] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:53:20,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:53:20,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 19:53:20,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534842762] [2022-12-13 19:53:20,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:53:20,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:53:20,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:53:20,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:53:20,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:53:20,036 INFO L87 Difference]: Start difference. First operand 236945 states and 261666 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 19:53:22,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:53:22,134 INFO L93 Difference]: Finished difference Result 488206 states and 540001 transitions. [2022-12-13 19:53:22,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:53:22,135 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 364 [2022-12-13 19:53:22,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:53:22,397 INFO L225 Difference]: With dead ends: 488206 [2022-12-13 19:53:22,397 INFO L226 Difference]: Without dead ends: 251872 [2022-12-13 19:53:22,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:53:22,454 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 167 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:53:22,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 174 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 19:53:22,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251872 states. [2022-12-13 19:53:25,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251872 to 251446. [2022-12-13 19:53:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251446 states, 251445 states have (on average 1.1020779892222952) internal successors, (277112), 251445 states have internal predecessors, (277112), 0 states have call successors, (0), 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 19:53:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251446 states to 251446 states and 277112 transitions. [2022-12-13 19:53:25,403 INFO L78 Accepts]: Start accepts. Automaton has 251446 states and 277112 transitions. Word has length 364 [2022-12-13 19:53:25,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:53:25,403 INFO L495 AbstractCegarLoop]: Abstraction has 251446 states and 277112 transitions. [2022-12-13 19:53:25,404 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 19:53:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 251446 states and 277112 transitions. [2022-12-13 19:53:25,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2022-12-13 19:53:25,637 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:53:25,638 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:53:25,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 19:53:25,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-12-13 19:53:25,840 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:53:25,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:53:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1328219631, now seen corresponding path program 1 times [2022-12-13 19:53:25,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:53:25,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211924437] [2022-12-13 19:53:25,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:53:25,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:53:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:53:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-13 19:53:26,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:53:26,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211924437] [2022-12-13 19:53:26,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211924437] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:53:26,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:53:26,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:53:26,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583397518] [2022-12-13 19:53:26,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:53:26,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:53:26,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:53:26,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:53:26,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:53:26,138 INFO L87 Difference]: Start difference. First operand 251446 states and 277112 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 19:53:28,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:53:28,266 INFO L93 Difference]: Finished difference Result 463205 states and 508951 transitions. [2022-12-13 19:53:28,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:53:28,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 394 [2022-12-13 19:53:28,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:53:28,505 INFO L225 Difference]: With dead ends: 463205 [2022-12-13 19:53:28,505 INFO L226 Difference]: Without dead ends: 204047 [2022-12-13 19:53:28,580 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 19:53:28,580 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 250 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 19:53:28,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 364 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 19:53:28,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204047 states. [2022-12-13 19:53:30,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204047 to 160941. [2022-12-13 19:53:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160941 states, 160940 states have (on average 1.0680626320367839) internal successors, (171894), 160940 states have internal predecessors, (171894), 0 states have call successors, (0), 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 19:53:30,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160941 states to 160941 states and 171894 transitions. [2022-12-13 19:53:30,914 INFO L78 Accepts]: Start accepts. Automaton has 160941 states and 171894 transitions. Word has length 394 [2022-12-13 19:53:30,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:53:30,914 INFO L495 AbstractCegarLoop]: Abstraction has 160941 states and 171894 transitions. [2022-12-13 19:53:30,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 19:53:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 160941 states and 171894 transitions. [2022-12-13 19:53:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2022-12-13 19:53:31,084 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:53:31,084 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:53:31,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 19:53:31,084 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:53:31,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:53:31,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1584183775, now seen corresponding path program 1 times [2022-12-13 19:53:31,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:53:31,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966023282] [2022-12-13 19:53:31,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:53:31,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:53:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:53:31,534 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 141 proven. 6 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-12-13 19:53:31,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:53:31,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966023282] [2022-12-13 19:53:31,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966023282] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 19:53:31,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204866402] [2022-12-13 19:53:31,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:53:31,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 19:53:31,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:53:31,536 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 19:53:31,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 19:53:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:53:31,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 19:53:31,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:53:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-12-13 19:53:31,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 19:53:31,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204866402] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:53:31,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 19:53:31,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 19:53:31,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038669759] [2022-12-13 19:53:31,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:53:31,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:53:31,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:53:31,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:53:31,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:53:31,874 INFO L87 Difference]: Start difference. First operand 160941 states and 171894 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 19:53:33,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:53:33,144 INFO L93 Difference]: Finished difference Result 297461 states and 317171 transitions. [2022-12-13 19:53:33,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:53:33,145 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 399 [2022-12-13 19:53:33,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:53:33,290 INFO L225 Difference]: With dead ends: 297461 [2022-12-13 19:53:33,290 INFO L226 Difference]: Without dead ends: 136725 [2022-12-13 19:53:33,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:53:33,340 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 178 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 19:53:33,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 365 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 19:53:33,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136725 states. [2022-12-13 19:53:34,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136725 to 132831. [2022-12-13 19:53:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132831 states, 132830 states have (on average 1.061785741172928) internal successors, (141037), 132830 states have internal predecessors, (141037), 0 states have call successors, (0), 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 19:53:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132831 states to 132831 states and 141037 transitions. [2022-12-13 19:53:34,958 INFO L78 Accepts]: Start accepts. Automaton has 132831 states and 141037 transitions. Word has length 399 [2022-12-13 19:53:34,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:53:34,958 INFO L495 AbstractCegarLoop]: Abstraction has 132831 states and 141037 transitions. [2022-12-13 19:53:34,958 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 19:53:34,958 INFO L276 IsEmpty]: Start isEmpty. Operand 132831 states and 141037 transitions. [2022-12-13 19:53:35,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-12-13 19:53:35,028 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 19:53:35,028 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:53:35,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 19:53:35,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-13 19:53:35,231 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 19:53:35,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:53:35,232 INFO L85 PathProgramCache]: Analyzing trace with hash 121001137, now seen corresponding path program 1 times [2022-12-13 19:53:35,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:53:35,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545556330] [2022-12-13 19:53:35,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:53:35,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:53:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:53:35,496 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2022-12-13 19:53:35,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:53:35,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545556330] [2022-12-13 19:53:35,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545556330] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:53:35,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:53:35,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 19:53:35,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760595840] [2022-12-13 19:53:35,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:53:35,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 19:53:35,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:53:35,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:53:35,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:53:35,498 INFO L87 Difference]: Start difference. First operand 132831 states and 141037 transitions. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 2 states have internal predecessors, (299), 0 states have call successors, (0), 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 19:53:36,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:53:36,330 INFO L93 Difference]: Finished difference Result 190001 states and 201596 transitions. [2022-12-13 19:53:36,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:53:36,330 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 2 states have internal predecessors, (299), 0 states have call successors, (0), 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 427 [2022-12-13 19:53:36,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 19:53:36,331 INFO L225 Difference]: With dead ends: 190001 [2022-12-13 19:53:36,331 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 19:53:36,368 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 19:53:36,369 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 210 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-13 19:53:36,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 29 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-13 19:53:36,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 19:53:36,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 19:53:36,370 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 19:53:36,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:53:36,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 427 [2022-12-13 19:53:36,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 19:53:36,370 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:53:36,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 2 states have internal predecessors, (299), 0 states have call successors, (0), 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 19:53:36,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:53:36,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 19:53:36,373 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 19:53:36,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 19:53:36,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 19:53:43,228 WARN L233 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 1048 DAG size of output: 1026 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 19:53:49,762 WARN L233 SmtUtils]: Spent 6.52s on a formula simplification. DAG size of input: 1048 DAG size of output: 1026 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 19:53:59,702 WARN L233 SmtUtils]: Spent 9.92s on a formula simplification. DAG size of input: 1026 DAG size of output: 159 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 19:54:09,404 WARN L233 SmtUtils]: Spent 9.69s on a formula simplification. DAG size of input: 1026 DAG size of output: 159 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 19:54:09,407 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-12-13 19:54:09,407 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-12-13 19:54:09,407 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,407 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-12-13 19:54:09,407 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,407 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,407 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,407 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,407 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,407 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,408 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,409 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,410 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-12-13 19:54:09,411 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,412 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,413 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,414 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,415 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1642) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,416 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-12-13 19:54:09,417 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-12-13 19:54:09,418 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,419 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-12-13 19:54:09,420 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,421 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse6 (= ~a11~0 1))) (let ((.cse18 (= ~a11~0 ~a6~0)) (.cse17 (<= ~a26~0 0)) (.cse13 (not .cse6)) (.cse16 (= ~a16~0 1)) (.cse10 (= ~a6~0 0)) (.cse3 (= ~a12~0 1)) (.cse20 (= ~a15~0 1)) (.cse8 (= ~a29~0 1)) (.cse21 (= ~a12~0 ~a6~0)) (.cse9 (<= ~a27~0 0)) (.cse5 (not (= ~a7~0 1))) (.cse19 (= ~a26~0 ~a11~0)) (.cse1 (= ~a25~0 ~a11~0)) (.cse0 (= ~a26~0 1)) (.cse2 (= ~a5~0 1)) (.cse4 (<= ~a3~0 1)) (.cse14 (<= 1 ~a3~0)) (.cse15 (<= ~a29~0 0)) (.cse11 (<= ~a12~0 0)) (.cse12 (= ~a27~0 1)) (.cse7 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse2 .cse5 .cse6 .cse10 .cse8 .cse11 .cse12) (and .cse2 .cse5 .cse7 .cse8 .cse11 .cse13 .cse9) (and .cse0 .cse2 .cse3 .cse14 .cse15 .cse5 .cse10 .cse9) (and .cse1 .cse2 .cse3 .cse4 .cse14 .cse16 .cse5 .cse17 .cse7 .cse8 .cse9) (and .cse2 .cse15 .cse18 .cse16 .cse5 .cse6 .cse11 .cse9) (and .cse2 .cse3 .cse14 .cse5 .cse6 .cse7 .cse8 .cse12) (and .cse2 .cse3 .cse5 .cse6 .cse10 .cse19 .cse8 .cse12) (and .cse2 .cse4 .cse15 .cse17 .cse6 .cse7 .cse11 .cse12) (and .cse2 .cse4 .cse14 .cse15 .cse5 .cse10 .cse11 .cse13 .cse9) (and .cse2 .cse4 .cse15 .cse6 .cse10 .cse11 .cse12) (and .cse0 .cse2 .cse14 .cse15 .cse5 .cse10 .cse11 .cse12) (and .cse2 .cse3 .cse14 .cse5 .cse17 .cse7 .cse8 .cse12) (and .cse2 .cse3 .cse4 .cse15 .cse5 .cse17 .cse6 .cse10 .cse12) (and .cse2 .cse14 .cse15 .cse5 .cse17 .cse6 .cse10 .cse11 .cse9) (and .cse2 .cse3 .cse4 .cse15 .cse6 .cse19 .cse12) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse8 .cse12) (and .cse2 .cse4 .cse5 .cse7 .cse8 .cse11 .cse9) (and .cse2 .cse15 .cse5 .cse7 .cse11 .cse13 .cse9) (and .cse0 .cse2 .cse4 .cse15 .cse7 .cse12 .cse13) (and .cse0 .cse2 .cse3 .cse18 .cse5 .cse8 .cse12) (and .cse2 .cse15 .cse5 .cse17 .cse7 .cse11 .cse12) (and .cse2 .cse5 .cse7 .cse8 .cse11 .cse12 .cse13) (and .cse1 .cse2 .cse6 .cse7 .cse19 .cse8 .cse11 .cse12) (and .cse0 .cse2 .cse3 .cse5 .cse7 .cse8 .cse12) (and .cse2 .cse15 .cse5 .cse17 .cse10 .cse11 .cse12) (and .cse2 .cse3 .cse16 .cse5 .cse17 .cse7 .cse8 .cse13 .cse9) (and .cse20 .cse0 .cse2 .cse15 .cse5 .cse7 .cse12 .cse21) (and .cse0 .cse2 .cse3 .cse14 .cse15 .cse5 .cse7 .cse13 .cse9) (and .cse0 .cse2 .cse3 .cse14 .cse5 .cse7 .cse8 .cse13 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse15 .cse5 .cse12) (and .cse1 .cse2 .cse3 .cse4 .cse14 .cse15 .cse16 .cse5 .cse17 .cse7 .cse9) (and .cse2 .cse4 .cse5 .cse17 .cse7 .cse8 .cse11 .cse12) (and .cse2 .cse3 .cse4 .cse14 .cse5 .cse7 .cse8 .cse13 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse14 .cse15 .cse16 .cse6 .cse10 .cse9) (and .cse0 .cse1 .cse2 .cse4 .cse7 .cse8 .cse12) (and .cse0 .cse2 .cse3 .cse16 .cse5 .cse6 .cse10 .cse8 .cse9) (and .cse2 .cse5 .cse7 .cse19 .cse8 .cse11 .cse12) (and .cse20 .cse0 .cse2 .cse4 .cse5 .cse10 .cse8 .cse12 .cse21) (and .cse0 .cse2 .cse4 .cse14 .cse7 .cse8 .cse11 .cse12) (and .cse2 .cse4 .cse5 .cse17 .cse10 .cse8 .cse11 .cse12) (and .cse2 .cse3 .cse4 .cse5 .cse17 .cse10 .cse8 .cse13 .cse9) (and .cse0 .cse2 .cse3 .cse14 .cse5 .cse10 .cse8 .cse9) (and .cse2 .cse3 .cse4 .cse15 .cse5 .cse17 .cse7 .cse12) (and .cse20 .cse2 .cse4 .cse15 .cse16 .cse5 .cse6 .cse10 .cse21 .cse9) (and .cse20 .cse2 .cse3 .cse15 .cse5 .cse6 .cse7 .cse12) (and .cse2 .cse3 .cse15 .cse16 .cse5 .cse17 .cse7 .cse13 .cse9) (and .cse0 .cse2 .cse4 .cse7 .cse8 .cse12 .cse13) (and .cse20 .cse0 .cse2 .cse15 .cse5 .cse10 .cse12 .cse21) (and .cse20 .cse2 .cse5 .cse6 .cse7 .cse8 .cse12 .cse21) (and .cse20 .cse0 .cse2 .cse4 .cse15 .cse5 .cse6 .cse7 .cse21 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse15 .cse16 .cse5 .cse10 .cse9) (and .cse2 .cse3 .cse14 .cse15 .cse18 .cse5 .cse10 .cse19 .cse12) (and .cse0 .cse2 .cse3 .cse4 .cse6 .cse8 .cse12) (and .cse2 .cse4 .cse5 .cse6 .cse10 .cse8 .cse11 .cse9) (and .cse2 .cse15 .cse5 .cse7 .cse19 .cse11 .cse12) (and .cse2 .cse15 .cse5 .cse6 .cse10 .cse11 .cse12) (and .cse2 .cse3 .cse4 .cse15 .cse5 .cse17 .cse10 .cse13 .cse9) (and .cse2 .cse3 .cse4 .cse14 .cse15 .cse5 .cse6 .cse10 .cse9) (and .cse2 .cse4 .cse5 .cse6 .cse7 .cse19 .cse8 .cse12) (and .cse2 .cse4 .cse15 .cse5 .cse7 .cse11 .cse9) (and .cse2 .cse15 .cse5 .cse7 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse4 .cse14 .cse5 .cse6 .cse10 .cse8 .cse9) (and .cse2 .cse5 .cse17 .cse6 .cse10 .cse8 .cse11 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse15 .cse5 .cse6 .cse7 .cse9) (and .cse2 .cse4 .cse14 .cse7 .cse8 .cse11 .cse12 .cse13) (and .cse2 .cse4 .cse14 .cse5 .cse10 .cse8 .cse11 .cse9) (and .cse2 .cse3 .cse4 .cse14 .cse15 .cse5 .cse7 .cse13 .cse9) (and .cse2 .cse16 .cse5 .cse7 .cse8 .cse11 .cse9) (and .cse2 .cse4 .cse14 .cse17 .cse7 (not .cse3) .cse8 .cse12 .cse13) (and .cse2 .cse4 .cse14 .cse15 .cse16 .cse5 .cse10 .cse11 .cse9) (and .cse2 .cse3 .cse14 .cse15 .cse5 .cse6 .cse7 .cse12) (and .cse20 .cse0 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse21 .cse9) (and .cse2 .cse4 .cse15 .cse5 .cse6 .cse7 .cse19 .cse12) (and (or (and .cse0 .cse1 .cse2 .cse4 .cse15 .cse11 .cse12) (and .cse0 .cse2 .cse4 .cse14 .cse15 .cse11 .cse12)) .cse7)))) [2022-12-13 19:54:09,421 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,421 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,421 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,421 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,421 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-12-13 19:54:09,421 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-12-13 19:54:09,421 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-12-13 19:54:09,422 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,423 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,424 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,425 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-12-13 19:54:09,426 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-12-13 19:54:09,426 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 64 1660) the Hoare annotation is: (let ((.cse6 (= ~a11~0 1))) (let ((.cse18 (= ~a11~0 ~a6~0)) (.cse17 (<= ~a26~0 0)) (.cse13 (not .cse6)) (.cse16 (= ~a16~0 1)) (.cse10 (= ~a6~0 0)) (.cse3 (= ~a12~0 1)) (.cse20 (= ~a15~0 1)) (.cse8 (= ~a29~0 1)) (.cse21 (= ~a12~0 ~a6~0)) (.cse9 (<= ~a27~0 0)) (.cse5 (not (= ~a7~0 1))) (.cse19 (= ~a26~0 ~a11~0)) (.cse1 (= ~a25~0 ~a11~0)) (.cse0 (= ~a26~0 1)) (.cse2 (= ~a5~0 1)) (.cse4 (<= ~a3~0 1)) (.cse14 (<= 1 ~a3~0)) (.cse15 (<= ~a29~0 0)) (.cse11 (<= ~a12~0 0)) (.cse12 (= ~a27~0 1)) (.cse7 (= ~a6~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse2 .cse5 .cse6 .cse10 .cse8 .cse11 .cse12) (and .cse2 .cse5 .cse7 .cse8 .cse11 .cse13 .cse9) (and .cse0 .cse2 .cse3 .cse14 .cse15 .cse5 .cse10 .cse9) (and .cse1 .cse2 .cse3 .cse4 .cse14 .cse16 .cse5 .cse17 .cse7 .cse8 .cse9) (and .cse2 .cse15 .cse18 .cse16 .cse5 .cse6 .cse11 .cse9) (and .cse2 .cse3 .cse14 .cse5 .cse6 .cse7 .cse8 .cse12) (and .cse2 .cse3 .cse5 .cse6 .cse10 .cse19 .cse8 .cse12) (and .cse2 .cse4 .cse15 .cse17 .cse6 .cse7 .cse11 .cse12) (and .cse2 .cse4 .cse14 .cse15 .cse5 .cse10 .cse11 .cse13 .cse9) (and .cse2 .cse4 .cse15 .cse6 .cse10 .cse11 .cse12) (and .cse0 .cse2 .cse14 .cse15 .cse5 .cse10 .cse11 .cse12) (and .cse2 .cse3 .cse14 .cse5 .cse17 .cse7 .cse8 .cse12) (and .cse2 .cse3 .cse4 .cse15 .cse5 .cse17 .cse6 .cse10 .cse12) (and .cse2 .cse14 .cse15 .cse5 .cse17 .cse6 .cse10 .cse11 .cse9) (and .cse2 .cse3 .cse4 .cse15 .cse6 .cse19 .cse12) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse8 .cse12) (and .cse2 .cse4 .cse5 .cse7 .cse8 .cse11 .cse9) (and .cse2 .cse15 .cse5 .cse7 .cse11 .cse13 .cse9) (and .cse0 .cse2 .cse4 .cse15 .cse7 .cse12 .cse13) (and .cse0 .cse2 .cse3 .cse18 .cse5 .cse8 .cse12) (and .cse2 .cse15 .cse5 .cse17 .cse7 .cse11 .cse12) (and .cse2 .cse5 .cse7 .cse8 .cse11 .cse12 .cse13) (and .cse1 .cse2 .cse6 .cse7 .cse19 .cse8 .cse11 .cse12) (and .cse0 .cse2 .cse3 .cse5 .cse7 .cse8 .cse12) (and .cse2 .cse15 .cse5 .cse17 .cse10 .cse11 .cse12) (and .cse2 .cse3 .cse16 .cse5 .cse17 .cse7 .cse8 .cse13 .cse9) (and .cse20 .cse0 .cse2 .cse15 .cse5 .cse7 .cse12 .cse21) (and .cse0 .cse2 .cse3 .cse14 .cse15 .cse5 .cse7 .cse13 .cse9) (and .cse0 .cse2 .cse3 .cse14 .cse5 .cse7 .cse8 .cse13 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse15 .cse5 .cse12) (and .cse1 .cse2 .cse3 .cse4 .cse14 .cse15 .cse16 .cse5 .cse17 .cse7 .cse9) (and .cse2 .cse4 .cse5 .cse17 .cse7 .cse8 .cse11 .cse12) (and .cse2 .cse3 .cse4 .cse14 .cse5 .cse7 .cse8 .cse13 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse14 .cse15 .cse16 .cse6 .cse10 .cse9) (and .cse0 .cse1 .cse2 .cse4 .cse7 .cse8 .cse12) (and .cse0 .cse2 .cse3 .cse16 .cse5 .cse6 .cse10 .cse8 .cse9) (and .cse2 .cse5 .cse7 .cse19 .cse8 .cse11 .cse12) (and .cse20 .cse0 .cse2 .cse4 .cse5 .cse10 .cse8 .cse12 .cse21) (and .cse0 .cse2 .cse4 .cse14 .cse7 .cse8 .cse11 .cse12) (and .cse2 .cse4 .cse5 .cse17 .cse10 .cse8 .cse11 .cse12) (and .cse2 .cse3 .cse4 .cse5 .cse17 .cse10 .cse8 .cse13 .cse9) (and .cse0 .cse2 .cse3 .cse14 .cse5 .cse10 .cse8 .cse9) (and .cse2 .cse3 .cse4 .cse15 .cse5 .cse17 .cse7 .cse12) (and .cse20 .cse2 .cse4 .cse15 .cse16 .cse5 .cse6 .cse10 .cse21 .cse9) (and .cse20 .cse2 .cse3 .cse15 .cse5 .cse6 .cse7 .cse12) (and .cse2 .cse3 .cse15 .cse16 .cse5 .cse17 .cse7 .cse13 .cse9) (and .cse0 .cse2 .cse4 .cse7 .cse8 .cse12 .cse13) (and .cse20 .cse0 .cse2 .cse15 .cse5 .cse10 .cse12 .cse21) (and .cse20 .cse2 .cse5 .cse6 .cse7 .cse8 .cse12 .cse21) (and .cse20 .cse0 .cse2 .cse4 .cse15 .cse5 .cse6 .cse7 .cse21 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse15 .cse16 .cse5 .cse10 .cse9) (and .cse2 .cse3 .cse14 .cse15 .cse18 .cse5 .cse10 .cse19 .cse12) (and .cse0 .cse2 .cse3 .cse4 .cse6 .cse8 .cse12) (and .cse2 .cse4 .cse5 .cse6 .cse10 .cse8 .cse11 .cse9) (and .cse2 .cse15 .cse5 .cse7 .cse19 .cse11 .cse12) (and .cse2 .cse15 .cse5 .cse6 .cse10 .cse11 .cse12) (and .cse2 .cse3 .cse4 .cse15 .cse5 .cse17 .cse10 .cse13 .cse9) (and .cse2 .cse3 .cse4 .cse14 .cse15 .cse5 .cse6 .cse10 .cse9) (and .cse2 .cse4 .cse5 .cse6 .cse7 .cse19 .cse8 .cse12) (and .cse2 .cse4 .cse15 .cse5 .cse7 .cse11 .cse9) (and .cse2 .cse15 .cse5 .cse7 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse4 .cse14 .cse5 .cse6 .cse10 .cse8 .cse9) (and .cse2 .cse5 .cse17 .cse6 .cse10 .cse8 .cse11 .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse15 .cse5 .cse6 .cse7 .cse9) (and .cse2 .cse4 .cse14 .cse7 .cse8 .cse11 .cse12 .cse13) (and .cse2 .cse4 .cse14 .cse5 .cse10 .cse8 .cse11 .cse9) (and .cse2 .cse3 .cse4 .cse14 .cse15 .cse5 .cse7 .cse13 .cse9) (and .cse2 .cse16 .cse5 .cse7 .cse8 .cse11 .cse9) (and .cse2 .cse4 .cse14 .cse17 .cse7 (not .cse3) .cse8 .cse12 .cse13) (and .cse2 .cse4 .cse14 .cse15 .cse16 .cse5 .cse10 .cse11 .cse9) (and .cse2 .cse3 .cse14 .cse15 .cse5 .cse6 .cse7 .cse12) (and .cse20 .cse0 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse21 .cse9) (and .cse2 .cse4 .cse15 .cse5 .cse6 .cse7 .cse19 .cse12) (and (or (and .cse0 .cse1 .cse2 .cse4 .cse15 .cse11 .cse12) (and .cse0 .cse2 .cse4 .cse14 .cse15 .cse11 .cse12)) .cse7)))) [2022-12-13 19:54:09,426 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,426 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-12-13 19:54:09,426 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-12-13 19:54:09,426 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-12-13 19:54:09,426 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,426 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,427 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,427 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,427 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-12-13 19:54:09,427 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-12-13 19:54:09,427 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-12-13 19:54:09,427 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,427 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,427 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 19:54:09,429 INFO L445 BasicCegarLoop]: Path program histogram: [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 19:54:09,431 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 19:54:09,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 07:54:09 BoogieIcfgContainer [2022-12-13 19:54:09,466 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 19:54:09,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:54:09,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:54:09,466 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:54:09,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:52:25" (3/4) ... [2022-12-13 19:54:09,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 19:54:09,487 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 19:54:09,488 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 19:54:09,489 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 19:54:09,490 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 19:54:09,586 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 19:54:09,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:54:09,587 INFO L158 Benchmark]: Toolchain (without parser) took 106516.28ms. Allocated memory was 134.2MB in the beginning and 11.7GB in the end (delta: 11.6GB). Free memory was 90.5MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 7.5GB. Max. memory is 16.1GB. [2022-12-13 19:54:09,587 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 134.2MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:54:09,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.51ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 90.5MB in the beginning and 105.8MB in the end (delta: -15.3MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2022-12-13 19:54:09,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.86ms. Allocated memory is still 161.5MB. Free memory was 105.8MB in the beginning and 91.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 19:54:09,587 INFO L158 Benchmark]: Boogie Preprocessor took 71.50ms. Allocated memory is still 161.5MB. Free memory was 91.1MB in the beginning and 80.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 19:54:09,587 INFO L158 Benchmark]: RCFGBuilder took 1461.26ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 80.6MB in the beginning and 140.5MB in the end (delta: -59.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2022-12-13 19:54:09,587 INFO L158 Benchmark]: TraceAbstraction took 104101.67ms. Allocated memory was 195.0MB in the beginning and 11.7GB in the end (delta: 11.5GB). Free memory was 140.5MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 10.1GB. Max. memory is 16.1GB. [2022-12-13 19:54:09,588 INFO L158 Benchmark]: Witness Printer took 120.13ms. Allocated memory is still 11.7GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-13 19:54:09,588 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 134.2MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 673.51ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 90.5MB in the beginning and 105.8MB in the end (delta: -15.3MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.86ms. Allocated memory is still 161.5MB. Free memory was 105.8MB in the beginning and 91.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.50ms. Allocated memory is still 161.5MB. Free memory was 91.1MB in the beginning and 80.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1461.26ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 80.6MB in the beginning and 140.5MB in the end (delta: -59.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * TraceAbstraction took 104101.67ms. Allocated memory was 195.0MB in the beginning and 11.7GB in the end (delta: 11.5GB). Free memory was 140.5MB in the beginning and 4.2GB in the end (delta: -4.0GB). Peak memory consumption was 10.1GB. Max. memory is 16.1GB. * Witness Printer took 120.13ms. Allocated memory is still 11.7GB. Free memory was 4.2GB in the beginning and 4.2GB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1642]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 104.0s, OverallIterations: 24, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.4s, AutomataDifference: 32.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 33.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8214 SdHoareTripleChecker+Valid, 17.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8214 mSDsluCounter, 5988 SdHoareTripleChecker+Invalid, 14.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1338 mSDsCounter, 3232 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18444 IncrementalHoareTripleChecker+Invalid, 21676 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3232 mSolverCounterUnsat, 4650 mSDtfsCounter, 18444 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3237 GetRequests, 3184 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=259278occurred in iteration=18, InterpolantAutomatonStates: 85, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 24.9s AutomataMinimizationTime, 24 MinimizatonAttempts, 95311 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 595 NumberOfFragments, 4045 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2252 FormulaSimplificationTreeSizeReduction, 13.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 60968 FormulaSimplificationTreeSizeReductionInter, 19.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 9818 NumberOfCodeBlocks, 9818 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 10108 ConstructedInterpolants, 0 QuantifiedInterpolants, 17214 SizeOfPredicates, 6 NumberOfNonLiveVariables, 5444 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 34 InterpolantComputations, 23 PerfectInterpolantSequences, 5776/5856 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a25 == a11) && a5 == 1) && a12 == 1) && a3 <= 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a29 == 1) && a27 <= 0) || ((((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a6 == 0) && a29 == 1) && a12 <= 0) && a27 == 1)) || ((((((a5 == 1 && !(a7 == 1)) && a6 == 1) && a29 == 1) && a12 <= 0) && !(a11 == 1)) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a6 == 0) && a27 <= 0)) || ((((((((((a25 == a11 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a29 == 1) && a27 <= 0)) || (((((((a5 == 1 && a29 <= 0) && a11 == a6) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 <= 0) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && 1 <= a3) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a29 == 1) && a27 == 1)) || (((((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a26 == a11) && a29 == 1) && a27 == 1)) || (((((((a5 == 1 && a3 <= 1) && a29 <= 0) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a3 <= 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a6 == 0) && a12 <= 0) && !(a11 == 1)) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 1) && a29 <= 0) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1)) || (((((((a26 == 1 && a5 == 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a6 == 0) && a12 <= 0) && a27 == 1)) || (((((((a5 == 1 && a12 == 1) && 1 <= a3) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a29 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a6 == 0) && a27 == 1)) || ((((((((a5 == 1 && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 1) && a29 <= 0) && a11 == 1) && a26 == a11) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && !(a7 == 1)) && a29 == 1) && a27 == 1)) || ((((((a5 == 1 && a3 <= 1) && !(a7 == 1)) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a6 == 1) && a12 <= 0) && !(a11 == 1)) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a29 <= 0) && a6 == 1) && a27 == 1) && !(a11 == 1))) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == a6) && !(a7 == 1)) && a29 == 1) && a27 == 1)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a5 == 1 && !(a7 == 1)) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 == 1) && !(a11 == 1))) || (((((((a25 == a11 && a5 == 1) && a11 == 1) && a6 == 1) && a26 == a11) && a29 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && !(a7 == 1)) && a6 == 1) && a29 == 1) && a27 == 1)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a6 == 0) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a29 == 1) && !(a11 == 1)) && a27 <= 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a29 <= 0) && !(a7 == 1)) && a6 == 1) && a27 == 1) && a12 == a6)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a6 == 1) && !(a11 == 1)) && a27 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && !(a7 == 1)) && a6 == 1) && a29 == 1) && !(a11 == 1)) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a27 == 1)) || ((((((((((a25 == a11 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && a29 <= 0) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && !(a7 == 1)) && a6 == 1) && a29 == 1) && !(a11 == 1)) && a27 <= 0)) || (((((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && a29 <= 0) && a16 == 1) && a11 == 1) && a6 == 0) && a27 <= 0)) || ((((((a26 == 1 && a25 == a11) && a5 == 1) && a3 <= 1) && a6 == 1) && a29 == 1) && a27 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a29 == 1) && a27 <= 0)) || ((((((a5 == 1 && !(a7 == 1)) && a6 == 1) && a26 == a11) && a29 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && !(a7 == 1)) && a6 == 0) && a29 == 1) && a27 == 1) && a12 == a6)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 == 1)) || (((((((a5 == 1 && a3 <= 1) && !(a7 == 1)) && a26 <= 0) && a6 == 0) && a29 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && !(a7 == 1)) && a26 <= 0) && a6 == 0) && a29 == 1) && !(a11 == 1)) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && !(a7 == 1)) && a6 == 0) && a29 == 1) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a27 == 1)) || (((((((((a15 == 1 && a5 == 1) && a3 <= 1) && a29 <= 0) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a12 == a6) && a27 <= 0)) || (((((((a15 == 1 && a5 == 1) && a12 == 1) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a29 <= 0) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && !(a11 == 1)) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a6 == 1) && a29 == 1) && a27 == 1) && !(a11 == 1))) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a29 <= 0) && !(a7 == 1)) && a6 == 0) && a27 == 1) && a12 == a6)) || (((((((a15 == 1 && a5 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a29 == 1) && a27 == 1) && a12 == a6)) || (((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 == a6) && a27 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a29 <= 0) && a16 == 1) && !(a7 == 1)) && a6 == 0) && a27 <= 0)) || ((((((((a5 == 1 && a12 == 1) && 1 <= a3) && a29 <= 0) && a11 == a6) && !(a7 == 1)) && a6 == 0) && a26 == a11) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 1) && a29 == 1) && a27 == 1)) || (((((((a5 == 1 && a3 <= 1) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a29 == 1) && a12 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a6 == 1) && a26 == a11) && a12 <= 0) && a27 == 1)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a6 == 0) && !(a11 == 1)) && a27 <= 0)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a26 == a11) && a29 == 1) && a27 == 1)) || ((((((a5 == 1 && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a6 == 1) && a12 <= 0) && a27 == 1) && !(a11 == 1))) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a29 == 1) && a27 <= 0)) || (((((((a5 == 1 && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a6 == 0) && a29 == 1) && a12 <= 0) && a27 <= 0)) || (((((((((a26 == 1 && a25 == a11) && a5 == 1) && a12 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && 1 <= a3) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 == 1) && !(a11 == 1))) || (((((((a5 == 1 && a3 <= 1) && 1 <= a3) && !(a7 == 1)) && a6 == 0) && a29 == 1) && a12 <= 0) && a27 <= 0)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a6 == 1) && !(a11 == 1)) && a27 <= 0)) || ((((((a5 == 1 && a16 == 1) && !(a7 == 1)) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 <= 0)) || ((((((((a5 == 1 && a3 <= 1) && 1 <= a3) && a26 <= 0) && a6 == 1) && !(a12 == 1)) && a29 == 1) && a27 == 1) && !(a11 == 1))) || ((((((((a5 == 1 && a3 <= 1) && 1 <= a3) && a29 <= 0) && a16 == 1) && !(a7 == 1)) && a6 == 0) && a12 <= 0) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a29 == 1) && a12 == a6) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1)) || ((((((((a26 == 1 && a25 == a11) && a5 == 1) && a3 <= 1) && a29 <= 0) && a12 <= 0) && a27 == 1) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a29 <= 0) && a12 <= 0) && a27 == 1)) && a6 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a26 == 1 && a25 == a11) && a5 == 1) && a12 == 1) && a3 <= 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a29 == 1) && a27 <= 0) || ((((((a5 == 1 && !(a7 == 1)) && a11 == 1) && a6 == 0) && a29 == 1) && a12 <= 0) && a27 == 1)) || ((((((a5 == 1 && !(a7 == 1)) && a6 == 1) && a29 == 1) && a12 <= 0) && !(a11 == 1)) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a6 == 0) && a27 <= 0)) || ((((((((((a25 == a11 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a29 == 1) && a27 <= 0)) || (((((((a5 == 1 && a29 <= 0) && a11 == a6) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a12 <= 0) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && 1 <= a3) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a29 == 1) && a27 == 1)) || (((((((a5 == 1 && a12 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a26 == a11) && a29 == 1) && a27 == 1)) || (((((((a5 == 1 && a3 <= 1) && a29 <= 0) && a26 <= 0) && a11 == 1) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a3 <= 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a6 == 0) && a12 <= 0) && !(a11 == 1)) && a27 <= 0)) || ((((((a5 == 1 && a3 <= 1) && a29 <= 0) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1)) || (((((((a26 == 1 && a5 == 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a6 == 0) && a12 <= 0) && a27 == 1)) || (((((((a5 == 1 && a12 == 1) && 1 <= a3) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a29 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a6 == 0) && a27 == 1)) || ((((((((a5 == 1 && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a3 <= 1) && a29 <= 0) && a11 == 1) && a26 == a11) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && !(a7 == 1)) && a29 == 1) && a27 == 1)) || ((((((a5 == 1 && a3 <= 1) && !(a7 == 1)) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a6 == 1) && a12 <= 0) && !(a11 == 1)) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a29 <= 0) && a6 == 1) && a27 == 1) && !(a11 == 1))) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a11 == a6) && !(a7 == 1)) && a29 == 1) && a27 == 1)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a12 <= 0) && a27 == 1)) || ((((((a5 == 1 && !(a7 == 1)) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 == 1) && !(a11 == 1))) || (((((((a25 == a11 && a5 == 1) && a11 == 1) && a6 == 1) && a26 == a11) && a29 == 1) && a12 <= 0) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && !(a7 == 1)) && a6 == 1) && a29 == 1) && a27 == 1)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a6 == 0) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a29 == 1) && !(a11 == 1)) && a27 <= 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a29 <= 0) && !(a7 == 1)) && a6 == 1) && a27 == 1) && a12 == a6)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a6 == 1) && !(a11 == 1)) && a27 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && !(a7 == 1)) && a6 == 1) && a29 == 1) && !(a11 == 1)) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a27 == 1)) || ((((((((((a25 == a11 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && a29 <= 0) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && !(a7 == 1)) && a6 == 1) && a29 == 1) && !(a11 == 1)) && a27 <= 0)) || (((((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && 1 <= a3) && a29 <= 0) && a16 == 1) && a11 == 1) && a6 == 0) && a27 <= 0)) || ((((((a26 == 1 && a25 == a11) && a5 == 1) && a3 <= 1) && a6 == 1) && a29 == 1) && a27 == 1)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a29 == 1) && a27 <= 0)) || ((((((a5 == 1 && !(a7 == 1)) && a6 == 1) && a26 == a11) && a29 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && !(a7 == 1)) && a6 == 0) && a29 == 1) && a27 == 1) && a12 == a6)) || (((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 == 1)) || (((((((a5 == 1 && a3 <= 1) && !(a7 == 1)) && a26 <= 0) && a6 == 0) && a29 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && !(a7 == 1)) && a26 <= 0) && a6 == 0) && a29 == 1) && !(a11 == 1)) && a27 <= 0)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && 1 <= a3) && !(a7 == 1)) && a6 == 0) && a29 == 1) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && a27 == 1)) || (((((((((a15 == 1 && a5 == 1) && a3 <= 1) && a29 <= 0) && a16 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a12 == a6) && a27 <= 0)) || (((((((a15 == 1 && a5 == 1) && a12 == 1) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a29 <= 0) && a16 == 1) && !(a7 == 1)) && a26 <= 0) && a6 == 1) && !(a11 == 1)) && a27 <= 0)) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && a6 == 1) && a29 == 1) && a27 == 1) && !(a11 == 1))) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a29 <= 0) && !(a7 == 1)) && a6 == 0) && a27 == 1) && a12 == a6)) || (((((((a15 == 1 && a5 == 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a29 == 1) && a27 == 1) && a12 == a6)) || (((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a12 == a6) && a27 <= 0)) || ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a29 <= 0) && a16 == 1) && !(a7 == 1)) && a6 == 0) && a27 <= 0)) || ((((((((a5 == 1 && a12 == 1) && 1 <= a3) && a29 <= 0) && a11 == a6) && !(a7 == 1)) && a6 == 0) && a26 == a11) && a27 == 1)) || ((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a11 == 1) && a29 == 1) && a27 == 1)) || (((((((a5 == 1 && a3 <= 1) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a29 == 1) && a12 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a6 == 1) && a26 == a11) && a12 <= 0) && a27 == 1)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a12 <= 0) && a27 == 1)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a26 <= 0) && a6 == 0) && !(a11 == 1)) && a27 <= 0)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a26 == a11) && a29 == 1) && a27 == 1)) || ((((((a5 == 1 && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a6 == 1) && a12 <= 0) && a27 <= 0)) || ((((((a5 == 1 && a29 <= 0) && !(a7 == 1)) && a6 == 1) && a12 <= 0) && a27 == 1) && !(a11 == 1))) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && !(a7 == 1)) && a11 == 1) && a6 == 0) && a29 == 1) && a27 <= 0)) || (((((((a5 == 1 && !(a7 == 1)) && a26 <= 0) && a11 == 1) && a6 == 0) && a29 == 1) && a12 <= 0) && a27 <= 0)) || (((((((((a26 == 1 && a25 == a11) && a5 == 1) && a12 == 1) && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && 1 <= a3) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 == 1) && !(a11 == 1))) || (((((((a5 == 1 && a3 <= 1) && 1 <= a3) && !(a7 == 1)) && a6 == 0) && a29 == 1) && a12 <= 0) && a27 <= 0)) || ((((((((a5 == 1 && a12 == 1) && a3 <= 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a6 == 1) && !(a11 == 1)) && a27 <= 0)) || ((((((a5 == 1 && a16 == 1) && !(a7 == 1)) && a6 == 1) && a29 == 1) && a12 <= 0) && a27 <= 0)) || ((((((((a5 == 1 && a3 <= 1) && 1 <= a3) && a26 <= 0) && a6 == 1) && !(a12 == 1)) && a29 == 1) && a27 == 1) && !(a11 == 1))) || ((((((((a5 == 1 && a3 <= 1) && 1 <= a3) && a29 <= 0) && a16 == 1) && !(a7 == 1)) && a6 == 0) && a12 <= 0) && a27 <= 0)) || (((((((a5 == 1 && a12 == 1) && 1 <= a3) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a27 == 1)) || (((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a29 == 1) && a12 == a6) && a27 <= 0)) || (((((((a5 == 1 && a3 <= 1) && a29 <= 0) && !(a7 == 1)) && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1)) || ((((((((a26 == 1 && a25 == a11) && a5 == 1) && a3 <= 1) && a29 <= 0) && a12 <= 0) && a27 == 1) || ((((((a26 == 1 && a5 == 1) && a3 <= 1) && 1 <= a3) && a29 <= 0) && a12 <= 0) && a27 == 1)) && a6 == 1) RESULT: Ultimate proved your program to be correct! [2022-12-13 19:54:09,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bee27413-bec8-4605-9728-d2d291d022d8/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