./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label34.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/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_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label34.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/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_60829019-5fe9-4d17-90be-22e66bec2843/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 89a08756b3eab9814257e3e9611de0e641c56712e4759aba21bf6c0b258f779c --- 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 11:47:51,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:47:51,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:47:51,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:47:51,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:47:51,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:47:51,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:47:51,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:47:51,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:47:51,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:47:51,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:47:51,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:47:51,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:47:51,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:47:51,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:47:51,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:47:51,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:47:51,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:47:51,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:47:51,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:47:51,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:47:51,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:47:51,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:47:51,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:47:51,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:47:51,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:47:51,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:47:51,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:47:51,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:47:51,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:47:51,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:47:51,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:47:51,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:47:51,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:47:51,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:47:51,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:47:51,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:47:51,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:47:51,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:47:51,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:47:51,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:47:51,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 11:47:51,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:47:51,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:47:51,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:47:51,287 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:47:51,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 11:47:51,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 11:47:51,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:47:51,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:47:51,289 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:47:51,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:47:51,289 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:47:51,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:47:51,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:47:51,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:47:51,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 11:47:51,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 11:47:51,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 11:47:51,290 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:47:51,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:47:51,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:47:51,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 11:47:51,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:47:51,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:47:51,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 11:47:51,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:47:51,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:47:51,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 11:47:51,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 11:47:51,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:47:51,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 11:47:51,293 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 11:47:51,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 11:47:51,293 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 11:47:51,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 11:47:51,293 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 11:47:51,293 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_60829019-5fe9-4d17-90be-22e66bec2843/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89a08756b3eab9814257e3e9611de0e641c56712e4759aba21bf6c0b258f779c [2022-12-13 11:47:51,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:47:51,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:47:51,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:47:51,511 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:47:51,512 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:47:51,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/eca-rers2012/Problem03_label34.c [2022-12-13 11:47:54,091 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:47:54,347 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:47:54,348 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/sv-benchmarks/c/eca-rers2012/Problem03_label34.c [2022-12-13 11:47:54,360 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/data/2b72cd54f/3e7b93c0d277485d8ef4d400760ce63f/FLAG71467a4dc [2022-12-13 11:47:54,372 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/data/2b72cd54f/3e7b93c0d277485d8ef4d400760ce63f [2022-12-13 11:47:54,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:47:54,375 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:47:54,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:47:54,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:47:54,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:47:54,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:47:54" (1/1) ... [2022-12-13 11:47:54,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c9a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:54, skipping insertion in model container [2022-12-13 11:47:54,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:47:54" (1/1) ... [2022-12-13 11:47:54,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:47:54,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:47:54,788 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_60829019-5fe9-4d17-90be-22e66bec2843/sv-benchmarks/c/eca-rers2012/Problem03_label34.c[59879,59892] [2022-12-13 11:47:54,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:47:54,814 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:47:54,985 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_60829019-5fe9-4d17-90be-22e66bec2843/sv-benchmarks/c/eca-rers2012/Problem03_label34.c[59879,59892] [2022-12-13 11:47:54,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:47:55,004 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:47:55,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55 WrapperNode [2022-12-13 11:47:55,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:47:55,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:47:55,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:47:55,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:47:55,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,102 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-12-13 11:47:55,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:47:55,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:47:55,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:47:55,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:47:55,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,169 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:47:55,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:47:55,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:47:55,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:47:55,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (1/1) ... [2022-12-13 11:47:55,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 11:47:55,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:47:55,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 11:47:55,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 11:47:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:47:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:47:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:47:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:47:55,304 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:47:55,305 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:47:56,642 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:47:56,652 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:47:56,653 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 11:47:56,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:47:56 BoogieIcfgContainer [2022-12-13 11:47:56,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:47:56,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 11:47:56,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 11:47:56,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 11:47:56,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 11:47:54" (1/3) ... [2022-12-13 11:47:56,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ffb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:47:56, skipping insertion in model container [2022-12-13 11:47:56,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:47:55" (2/3) ... [2022-12-13 11:47:56,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ffb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 11:47:56, skipping insertion in model container [2022-12-13 11:47:56,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:47:56" (3/3) ... [2022-12-13 11:47:56,664 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label34.c [2022-12-13 11:47:56,683 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 11:47:56,683 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 11:47:56,737 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 11:47:56,743 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;@69160eb3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 11:47:56,744 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 11:47:56,749 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 11:47:56,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-13 11:47:56,762 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:47:56,763 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] [2022-12-13 11:47:56,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:47:56,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:47:56,768 INFO L85 PathProgramCache]: Analyzing trace with hash -502159206, now seen corresponding path program 1 times [2022-12-13 11:47:56,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:47:56,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558071402] [2022-12-13 11:47:56,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:47:56,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:47:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:47:57,358 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 11:47:57,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:47:57,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558071402] [2022-12-13 11:47:57,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558071402] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:47:57,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:47:57,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:47:57,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025839305] [2022-12-13 11:47:57,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:47:57,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:47:57,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:47:57,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:47:57,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:47:57,388 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 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 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 11:47:58,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:47:58,261 INFO L93 Difference]: Finished difference Result 857 states and 1498 transitions. [2022-12-13 11:47:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:47:58,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 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 190 [2022-12-13 11:47:58,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:47:58,273 INFO L225 Difference]: With dead ends: 857 [2022-12-13 11:47:58,273 INFO L226 Difference]: Without dead ends: 462 [2022-12-13 11:47:58,276 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 11:47:58,278 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 98 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:47:58,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 187 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 11:47:58,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2022-12-13 11:47:58,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2022-12-13 11:47:58,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 459 states have (on average 1.5381263616557734) internal successors, (706), 459 states have internal predecessors, (706), 0 states have call successors, (0), 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 11:47:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions. [2022-12-13 11:47:58,328 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 190 [2022-12-13 11:47:58,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:47:58,329 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 706 transitions. [2022-12-13 11:47:58,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 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 11:47:58,329 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions. [2022-12-13 11:47:58,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-12-13 11:47:58,332 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:47:58,333 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:47:58,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 11:47:58,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:47:58,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:47:58,334 INFO L85 PathProgramCache]: Analyzing trace with hash 604561913, now seen corresponding path program 1 times [2022-12-13 11:47:58,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:47:58,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467231361] [2022-12-13 11:47:58,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:47:58,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:47:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:47:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:47:58,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:47:58,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467231361] [2022-12-13 11:47:58,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467231361] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:47:58,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:47:58,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:47:58,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624500913] [2022-12-13 11:47:58,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:47:58,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:47:58,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:47:58,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:47:58,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:47:58,559 INFO L87 Difference]: Start difference. First operand 460 states and 706 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 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 11:47:59,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:47:59,260 INFO L93 Difference]: Finished difference Result 1344 states and 2079 transitions. [2022-12-13 11:47:59,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:47:59,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 198 [2022-12-13 11:47:59,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:47:59,265 INFO L225 Difference]: With dead ends: 1344 [2022-12-13 11:47:59,265 INFO L226 Difference]: Without dead ends: 886 [2022-12-13 11:47:59,266 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 11:47:59,266 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 11:47:59,267 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 11:47:59,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2022-12-13 11:47:59,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870. [2022-12-13 11:47:59,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5120828538550057) internal successors, (1314), 869 states have internal predecessors, (1314), 0 states have call successors, (0), 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 11:47:59,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1314 transitions. [2022-12-13 11:47:59,291 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1314 transitions. Word has length 198 [2022-12-13 11:47:59,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:47:59,291 INFO L495 AbstractCegarLoop]: Abstraction has 870 states and 1314 transitions. [2022-12-13 11:47:59,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 2 states have internal predecessors, (198), 0 states have call successors, (0), 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 11:47:59,291 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1314 transitions. [2022-12-13 11:47:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-12-13 11:47:59,294 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:47:59,294 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:47:59,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 11:47:59,294 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:47:59,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:47:59,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1989171232, now seen corresponding path program 1 times [2022-12-13 11:47:59,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:47:59,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771068083] [2022-12-13 11:47:59,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:47:59,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:47:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:47:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 11:47:59,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:47:59,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771068083] [2022-12-13 11:47:59,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771068083] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:47:59,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:47:59,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:47:59,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406772707] [2022-12-13 11:47:59,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:47:59,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:47:59,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:47:59,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:47:59,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:47:59,467 INFO L87 Difference]: Start difference. First operand 870 states and 1314 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 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 11:48:00,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:00,174 INFO L93 Difference]: Finished difference Result 2554 states and 3869 transitions. [2022-12-13 11:48:00,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:00,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 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 210 [2022-12-13 11:48:00,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:00,181 INFO L225 Difference]: With dead ends: 2554 [2022-12-13 11:48:00,181 INFO L226 Difference]: Without dead ends: 1686 [2022-12-13 11:48:00,182 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 11:48:00,183 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 232 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:00,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 417 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:48:00,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-12-13 11:48:00,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1684. [2022-12-13 11:48:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1683 states have (on average 1.3363042186571599) internal successors, (2249), 1683 states have internal predecessors, (2249), 0 states have call successors, (0), 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 11:48:00,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2249 transitions. [2022-12-13 11:48:00,210 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2249 transitions. Word has length 210 [2022-12-13 11:48:00,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:00,210 INFO L495 AbstractCegarLoop]: Abstraction has 1684 states and 2249 transitions. [2022-12-13 11:48:00,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 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 11:48:00,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2249 transitions. [2022-12-13 11:48:00,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-13 11:48:00,213 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:00,214 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:00,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 11:48:00,214 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:00,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:00,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1472580547, now seen corresponding path program 1 times [2022-12-13 11:48:00,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:00,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988338018] [2022-12-13 11:48:00,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:00,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:00,426 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:48:00,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:00,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988338018] [2022-12-13 11:48:00,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988338018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:00,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:00,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:48:00,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115042382] [2022-12-13 11:48:00,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:00,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:00,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:00,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:00,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:48:00,429 INFO L87 Difference]: Start difference. First operand 1684 states and 2249 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:48:01,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:01,067 INFO L93 Difference]: Finished difference Result 5017 states and 6707 transitions. [2022-12-13 11:48:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:01,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 213 [2022-12-13 11:48:01,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:01,076 INFO L225 Difference]: With dead ends: 5017 [2022-12-13 11:48:01,077 INFO L226 Difference]: Without dead ends: 3335 [2022-12-13 11:48:01,078 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 11:48:01,079 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 259 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:01,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 123 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:48:01,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2022-12-13 11:48:01,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 3326. [2022-12-13 11:48:01,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3326 states, 3325 states have (on average 1.3230075187969925) internal successors, (4399), 3325 states have internal predecessors, (4399), 0 states have call successors, (0), 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 11:48:01,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3326 states to 3326 states and 4399 transitions. [2022-12-13 11:48:01,136 INFO L78 Accepts]: Start accepts. Automaton has 3326 states and 4399 transitions. Word has length 213 [2022-12-13 11:48:01,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:01,136 INFO L495 AbstractCegarLoop]: Abstraction has 3326 states and 4399 transitions. [2022-12-13 11:48:01,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 2 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:48:01,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 4399 transitions. [2022-12-13 11:48:01,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-12-13 11:48:01,141 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:01,141 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:01,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 11:48:01,142 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:01,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:01,142 INFO L85 PathProgramCache]: Analyzing trace with hash -909021787, now seen corresponding path program 1 times [2022-12-13 11:48:01,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:01,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552308307] [2022-12-13 11:48:01,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:01,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:48:01,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:01,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552308307] [2022-12-13 11:48:01,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552308307] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:01,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:01,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:48:01,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037093998] [2022-12-13 11:48:01,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:01,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:01,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:01,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:01,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:48:01,347 INFO L87 Difference]: Start difference. First operand 3326 states and 4399 transitions. Second operand has 3 states, 3 states have (on average 72.0) internal successors, (216), 2 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 11:48:02,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:02,041 INFO L93 Difference]: Finished difference Result 9928 states and 13145 transitions. [2022-12-13 11:48:02,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:02,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 2 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 216 [2022-12-13 11:48:02,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:02,054 INFO L225 Difference]: With dead ends: 9928 [2022-12-13 11:48:02,054 INFO L226 Difference]: Without dead ends: 6604 [2022-12-13 11:48:02,057 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 11:48:02,058 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 219 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:02,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 167 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:48:02,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6604 states. [2022-12-13 11:48:02,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6604 to 5768. [2022-12-13 11:48:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5768 states, 5767 states have (on average 1.3370903415987516) internal successors, (7711), 5767 states have internal predecessors, (7711), 0 states have call successors, (0), 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 11:48:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5768 states to 5768 states and 7711 transitions. [2022-12-13 11:48:02,152 INFO L78 Accepts]: Start accepts. Automaton has 5768 states and 7711 transitions. Word has length 216 [2022-12-13 11:48:02,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:02,152 INFO L495 AbstractCegarLoop]: Abstraction has 5768 states and 7711 transitions. [2022-12-13 11:48:02,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.0) internal successors, (216), 2 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 11:48:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5768 states and 7711 transitions. [2022-12-13 11:48:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-12-13 11:48:02,160 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:02,160 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1] [2022-12-13 11:48:02,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 11:48:02,160 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:02,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:02,161 INFO L85 PathProgramCache]: Analyzing trace with hash -455322744, now seen corresponding path program 1 times [2022-12-13 11:48:02,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:02,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142757450] [2022-12-13 11:48:02,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:02,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:02,415 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 11:48:02,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:02,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142757450] [2022-12-13 11:48:02,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142757450] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:02,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:02,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:48:02,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810951739] [2022-12-13 11:48:02,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:02,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:02,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:02,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:02,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:48:02,417 INFO L87 Difference]: Start difference. First operand 5768 states and 7711 transitions. Second operand has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 11:48:03,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:03,118 INFO L93 Difference]: Finished difference Result 14591 states and 19420 transitions. [2022-12-13 11:48:03,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:03,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 225 [2022-12-13 11:48:03,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:03,131 INFO L225 Difference]: With dead ends: 14591 [2022-12-13 11:48:03,132 INFO L226 Difference]: Without dead ends: 8825 [2022-12-13 11:48:03,135 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 11:48:03,136 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 202 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:03,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 421 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:48:03,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8825 states. [2022-12-13 11:48:03,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8825 to 8821. [2022-12-13 11:48:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8821 states, 8820 states have (on average 1.2786848072562358) internal successors, (11278), 8820 states have internal predecessors, (11278), 0 states have call successors, (0), 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 11:48:03,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8821 states to 8821 states and 11278 transitions. [2022-12-13 11:48:03,228 INFO L78 Accepts]: Start accepts. Automaton has 8821 states and 11278 transitions. Word has length 225 [2022-12-13 11:48:03,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:03,228 INFO L495 AbstractCegarLoop]: Abstraction has 8821 states and 11278 transitions. [2022-12-13 11:48:03,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.33333333333333) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 11:48:03,228 INFO L276 IsEmpty]: Start isEmpty. Operand 8821 states and 11278 transitions. [2022-12-13 11:48:03,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-12-13 11:48:03,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:03,237 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:03,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 11:48:03,238 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:03,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:03,238 INFO L85 PathProgramCache]: Analyzing trace with hash -434828922, now seen corresponding path program 1 times [2022-12-13 11:48:03,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:03,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132040082] [2022-12-13 11:48:03,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:03,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:48:03,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:03,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132040082] [2022-12-13 11:48:03,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132040082] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:48:03,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100407288] [2022-12-13 11:48:03,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:03,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:03,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:48:03,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:48:03,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 11:48:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:03,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:48:03,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:48:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 11:48:03,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:48:03,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100407288] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:03,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:48:03,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 11:48:03,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054636094] [2022-12-13 11:48:03,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:03,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:03,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:03,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:03,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:03,930 INFO L87 Difference]: Start difference. First operand 8821 states and 11278 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:48:04,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:04,573 INFO L93 Difference]: Finished difference Result 22147 states and 28843 transitions. [2022-12-13 11:48:04,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:04,574 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 227 [2022-12-13 11:48:04,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:04,594 INFO L225 Difference]: With dead ends: 22147 [2022-12-13 11:48:04,594 INFO L226 Difference]: Without dead ends: 13328 [2022-12-13 11:48:04,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:04,598 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 79 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:04,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 134 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:48:04,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13328 states. [2022-12-13 11:48:04,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13328 to 13316. [2022-12-13 11:48:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13316 states, 13315 states have (on average 1.282838903492302) internal successors, (17081), 13315 states have internal predecessors, (17081), 0 states have call successors, (0), 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 11:48:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13316 states to 13316 states and 17081 transitions. [2022-12-13 11:48:04,725 INFO L78 Accepts]: Start accepts. Automaton has 13316 states and 17081 transitions. Word has length 227 [2022-12-13 11:48:04,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:04,725 INFO L495 AbstractCegarLoop]: Abstraction has 13316 states and 17081 transitions. [2022-12-13 11:48:04,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:48:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 13316 states and 17081 transitions. [2022-12-13 11:48:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-12-13 11:48:04,736 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:04,737 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:04,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 11:48:04,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:04,939 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:04,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash -903632663, now seen corresponding path program 1 times [2022-12-13 11:48:04,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:04,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980864246] [2022-12-13 11:48:04,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:04,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:48:05,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:05,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980864246] [2022-12-13 11:48:05,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980864246] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:05,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:05,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:48:05,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239929433] [2022-12-13 11:48:05,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:05,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:05,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:05,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:05,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:48:05,265 INFO L87 Difference]: Start difference. First operand 13316 states and 17081 transitions. Second operand has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 0 states have call successors, (0), 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 11:48:05,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:05,962 INFO L93 Difference]: Finished difference Result 31753 states and 40754 transitions. [2022-12-13 11:48:05,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:05,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 0 states have call successors, (0), 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 231 [2022-12-13 11:48:05,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:05,988 INFO L225 Difference]: With dead ends: 31753 [2022-12-13 11:48:05,988 INFO L226 Difference]: Without dead ends: 18439 [2022-12-13 11:48:05,999 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 11:48:05,999 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 197 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:06,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 175 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:48:06,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18439 states. [2022-12-13 11:48:06,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18439 to 18421. [2022-12-13 11:48:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18421 states, 18420 states have (on average 1.2747557003257328) internal successors, (23481), 18420 states have internal predecessors, (23481), 0 states have call successors, (0), 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 11:48:06,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18421 states to 18421 states and 23481 transitions. [2022-12-13 11:48:06,230 INFO L78 Accepts]: Start accepts. Automaton has 18421 states and 23481 transitions. Word has length 231 [2022-12-13 11:48:06,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:06,231 INFO L495 AbstractCegarLoop]: Abstraction has 18421 states and 23481 transitions. [2022-12-13 11:48:06,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.0) internal successors, (231), 2 states have internal predecessors, (231), 0 states have call successors, (0), 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 11:48:06,232 INFO L276 IsEmpty]: Start isEmpty. Operand 18421 states and 23481 transitions. [2022-12-13 11:48:06,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-12-13 11:48:06,251 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:06,251 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:06,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 11:48:06,252 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:06,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:06,252 INFO L85 PathProgramCache]: Analyzing trace with hash 202592222, now seen corresponding path program 1 times [2022-12-13 11:48:06,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:06,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736034447] [2022-12-13 11:48:06,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:06,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:48:06,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:06,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736034447] [2022-12-13 11:48:06,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736034447] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:48:06,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319821232] [2022-12-13 11:48:06,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:06,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:06,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:48:06,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:48:06,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 11:48:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:06,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:48:06,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:48:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:48:06,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:48:06,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319821232] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:06,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:48:06,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 11:48:06,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412730639] [2022-12-13 11:48:06,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:06,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:48:06,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:06,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:48:06,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:48:06,946 INFO L87 Difference]: Start difference. First operand 18421 states and 23481 transitions. Second operand has 4 states, 4 states have (on average 59.5) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 11:48:07,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:07,933 INFO L93 Difference]: Finished difference Result 51669 states and 67367 transitions. [2022-12-13 11:48:07,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:48:07,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 238 [2022-12-13 11:48:07,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:07,967 INFO L225 Difference]: With dead ends: 51669 [2022-12-13 11:48:07,967 INFO L226 Difference]: Without dead ends: 33250 [2022-12-13 11:48:07,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:48:07,977 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 585 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 585 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:07,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [585 Valid, 185 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 11:48:07,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33250 states. [2022-12-13 11:48:08,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33250 to 33240. [2022-12-13 11:48:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33240 states, 33239 states have (on average 1.203375552814465) internal successors, (39999), 33239 states have internal predecessors, (39999), 0 states have call successors, (0), 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 11:48:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33240 states to 33240 states and 39999 transitions. [2022-12-13 11:48:08,299 INFO L78 Accepts]: Start accepts. Automaton has 33240 states and 39999 transitions. Word has length 238 [2022-12-13 11:48:08,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:08,300 INFO L495 AbstractCegarLoop]: Abstraction has 33240 states and 39999 transitions. [2022-12-13 11:48:08,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.5) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 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 11:48:08,300 INFO L276 IsEmpty]: Start isEmpty. Operand 33240 states and 39999 transitions. [2022-12-13 11:48:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-12-13 11:48:08,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:08,333 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 11:48:08,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 11:48:08,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:08,534 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:08,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:08,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1507272799, now seen corresponding path program 1 times [2022-12-13 11:48:08,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:08,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062753876] [2022-12-13 11:48:08,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:08,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:08,780 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 11:48:08,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:08,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062753876] [2022-12-13 11:48:08,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062753876] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:08,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:08,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:48:08,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221512730] [2022-12-13 11:48:08,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:08,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:48:08,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:08,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:48:08,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:48:08,782 INFO L87 Difference]: Start difference. First operand 33240 states and 39999 transitions. Second operand has 4 states, 4 states have (on average 60.25) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:48:09,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:09,712 INFO L93 Difference]: Finished difference Result 79005 states and 95628 transitions. [2022-12-13 11:48:09,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:48:09,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 246 [2022-12-13 11:48:09,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:09,773 INFO L225 Difference]: With dead ends: 79005 [2022-12-13 11:48:09,773 INFO L226 Difference]: Without dead ends: 45970 [2022-12-13 11:48:09,791 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 11:48:09,791 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 461 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:09,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 55 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:48:09,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45970 states. [2022-12-13 11:48:10,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45970 to 43331. [2022-12-13 11:48:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43331 states, 43330 states have (on average 1.1515116547426725) internal successors, (49895), 43330 states have internal predecessors, (49895), 0 states have call successors, (0), 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 11:48:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43331 states to 43331 states and 49895 transitions. [2022-12-13 11:48:10,356 INFO L78 Accepts]: Start accepts. Automaton has 43331 states and 49895 transitions. Word has length 246 [2022-12-13 11:48:10,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:10,357 INFO L495 AbstractCegarLoop]: Abstraction has 43331 states and 49895 transitions. [2022-12-13 11:48:10,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:48:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 43331 states and 49895 transitions. [2022-12-13 11:48:10,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-12-13 11:48:10,370 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:10,370 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 11:48:10,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 11:48:10,370 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:10,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:10,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1080587592, now seen corresponding path program 1 times [2022-12-13 11:48:10,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:10,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713883342] [2022-12-13 11:48:10,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:10,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 11:48:10,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:10,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713883342] [2022-12-13 11:48:10,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713883342] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:10,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:10,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:48:10,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753567727] [2022-12-13 11:48:10,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:10,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:10,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:10,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:10,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:48:10,644 INFO L87 Difference]: Start difference. First operand 43331 states and 49895 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 11:48:11,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:11,543 INFO L93 Difference]: Finished difference Result 96841 states and 111915 transitions. [2022-12-13 11:48:11,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:11,544 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 261 [2022-12-13 11:48:11,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:11,599 INFO L225 Difference]: With dead ends: 96841 [2022-12-13 11:48:11,600 INFO L226 Difference]: Without dead ends: 53715 [2022-12-13 11:48:11,623 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 11:48:11,624 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 202 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:11,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 145 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:48:11,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53715 states. [2022-12-13 11:48:12,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53715 to 53500. [2022-12-13 11:48:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53500 states, 53499 states have (on average 1.1574421951812184) internal successors, (61922), 53499 states have internal predecessors, (61922), 0 states have call successors, (0), 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 11:48:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53500 states to 53500 states and 61922 transitions. [2022-12-13 11:48:12,226 INFO L78 Accepts]: Start accepts. Automaton has 53500 states and 61922 transitions. Word has length 261 [2022-12-13 11:48:12,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:12,226 INFO L495 AbstractCegarLoop]: Abstraction has 53500 states and 61922 transitions. [2022-12-13 11:48:12,227 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 11:48:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 53500 states and 61922 transitions. [2022-12-13 11:48:12,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-12-13 11:48:12,242 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:12,242 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, 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] [2022-12-13 11:48:12,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 11:48:12,243 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:12,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:12,243 INFO L85 PathProgramCache]: Analyzing trace with hash -833244104, now seen corresponding path program 1 times [2022-12-13 11:48:12,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:12,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224995039] [2022-12-13 11:48:12,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:12,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:12,548 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 68 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 11:48:12,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:12,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224995039] [2022-12-13 11:48:12,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224995039] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:48:12,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540885889] [2022-12-13 11:48:12,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:12,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:12,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:48:12,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:48:12,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 11:48:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:12,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:48:12,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:48:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 11:48:12,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:48:12,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540885889] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:12,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:48:12,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 11:48:12,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621435255] [2022-12-13 11:48:12,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:12,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:48:12,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:12,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:48:12,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:48:12,764 INFO L87 Difference]: Start difference. First operand 53500 states and 61922 transitions. Second operand has 4 states, 4 states have (on average 56.5) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 11:48:13,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:13,893 INFO L93 Difference]: Finished difference Result 153142 states and 177553 transitions. [2022-12-13 11:48:13,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:48:13,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 11:48:13,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:13,990 INFO L225 Difference]: With dead ends: 153142 [2022-12-13 11:48:13,990 INFO L226 Difference]: Without dead ends: 100254 [2022-12-13 11:48:14,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:48:14,019 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 761 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 761 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:14,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [761 Valid, 309 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:48:14,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100254 states. [2022-12-13 11:48:15,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100254 to 85416. [2022-12-13 11:48:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85416 states, 85415 states have (on average 1.1460048000936605) internal successors, (97886), 85415 states have internal predecessors, (97886), 0 states have call successors, (0), 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 11:48:15,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85416 states to 85416 states and 97886 transitions. [2022-12-13 11:48:15,363 INFO L78 Accepts]: Start accepts. Automaton has 85416 states and 97886 transitions. Word has length 266 [2022-12-13 11:48:15,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:15,364 INFO L495 AbstractCegarLoop]: Abstraction has 85416 states and 97886 transitions. [2022-12-13 11:48:15,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.5) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 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 11:48:15,364 INFO L276 IsEmpty]: Start isEmpty. Operand 85416 states and 97886 transitions. [2022-12-13 11:48:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-12-13 11:48:15,381 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:15,381 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 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] [2022-12-13 11:48:15,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 11:48:15,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:15,588 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:15,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:15,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1283456450, now seen corresponding path program 1 times [2022-12-13 11:48:15,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:15,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118410310] [2022-12-13 11:48:15,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:15,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-13 11:48:15,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:15,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118410310] [2022-12-13 11:48:15,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118410310] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:15,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:15,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:48:15,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545237565] [2022-12-13 11:48:15,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:15,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:48:15,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:15,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:48:15,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:48:15,807 INFO L87 Difference]: Start difference. First operand 85416 states and 97886 transitions. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 11:48:17,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:17,049 INFO L93 Difference]: Finished difference Result 230628 states and 264177 transitions. [2022-12-13 11:48:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:48:17,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 11:48:17,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:17,192 INFO L225 Difference]: With dead ends: 230628 [2022-12-13 11:48:17,192 INFO L226 Difference]: Without dead ends: 145824 [2022-12-13 11:48:17,240 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 11:48:17,240 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 575 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:17,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 460 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:48:17,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145824 states. [2022-12-13 11:48:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145824 to 143379. [2022-12-13 11:48:18,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143379 states, 143378 states have (on average 1.1419813360487663) internal successors, (163735), 143378 states have internal predecessors, (163735), 0 states have call successors, (0), 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 11:48:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143379 states to 143379 states and 163735 transitions. [2022-12-13 11:48:19,183 INFO L78 Accepts]: Start accepts. Automaton has 143379 states and 163735 transitions. Word has length 276 [2022-12-13 11:48:19,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:19,184 INFO L495 AbstractCegarLoop]: Abstraction has 143379 states and 163735 transitions. [2022-12-13 11:48:19,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 11:48:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 143379 states and 163735 transitions. [2022-12-13 11:48:19,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-13 11:48:19,195 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:19,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:19,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 11:48:19,195 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:19,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:19,196 INFO L85 PathProgramCache]: Analyzing trace with hash 99903459, now seen corresponding path program 1 times [2022-12-13 11:48:19,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:19,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462570439] [2022-12-13 11:48:19,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:19,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 11:48:19,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:19,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462570439] [2022-12-13 11:48:19,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462570439] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:19,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:19,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:48:19,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222690333] [2022-12-13 11:48:19,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:19,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:48:19,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:19,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:48:19,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 11:48:19,627 INFO L87 Difference]: Start difference. First operand 143379 states and 163735 transitions. Second operand has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 11:48:21,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:21,028 INFO L93 Difference]: Finished difference Result 296321 states and 338265 transitions. [2022-12-13 11:48:21,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:48:21,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 301 [2022-12-13 11:48:21,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:21,182 INFO L225 Difference]: With dead ends: 296321 [2022-12-13 11:48:21,183 INFO L226 Difference]: Without dead ends: 153554 [2022-12-13 11:48:21,358 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 11:48:21,359 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 351 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:21,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 167 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 11:48:21,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153554 states. [2022-12-13 11:48:23,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153554 to 152727. [2022-12-13 11:48:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152727 states, 152726 states have (on average 1.1388368712596415) internal successors, (173930), 152726 states have internal predecessors, (173930), 0 states have call successors, (0), 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 11:48:23,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152727 states to 152727 states and 173930 transitions. [2022-12-13 11:48:23,253 INFO L78 Accepts]: Start accepts. Automaton has 152727 states and 173930 transitions. Word has length 301 [2022-12-13 11:48:23,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:23,253 INFO L495 AbstractCegarLoop]: Abstraction has 152727 states and 173930 transitions. [2022-12-13 11:48:23,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 11:48:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 152727 states and 173930 transitions. [2022-12-13 11:48:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-12-13 11:48:23,266 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:23,267 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 11:48:23,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 11:48:23,267 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:23,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:23,267 INFO L85 PathProgramCache]: Analyzing trace with hash -985167971, now seen corresponding path program 1 times [2022-12-13 11:48:23,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:23,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473192606] [2022-12-13 11:48:23,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:23,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:23,623 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:48:23,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:23,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473192606] [2022-12-13 11:48:23,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473192606] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:23,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:23,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:48:23,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122345891] [2022-12-13 11:48:23,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:23,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:23,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:23,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:23,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:48:23,625 INFO L87 Difference]: Start difference. First operand 152727 states and 173930 transitions. Second operand has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 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 11:48:24,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:24,951 INFO L93 Difference]: Finished difference Result 310750 states and 355129 transitions. [2022-12-13 11:48:24,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:24,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 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 305 [2022-12-13 11:48:24,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:25,129 INFO L225 Difference]: With dead ends: 310750 [2022-12-13 11:48:25,130 INFO L226 Difference]: Without dead ends: 159449 [2022-12-13 11:48:25,185 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 11:48:25,186 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 173 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:25,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 375 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:48:25,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159449 states. [2022-12-13 11:48:26,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159449 to 155389. [2022-12-13 11:48:26,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155389 states, 155388 states have (on average 1.1273843540041701) internal successors, (175182), 155388 states have internal predecessors, (175182), 0 states have call successors, (0), 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 11:48:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155389 states to 155389 states and 175182 transitions. [2022-12-13 11:48:26,968 INFO L78 Accepts]: Start accepts. Automaton has 155389 states and 175182 transitions. Word has length 305 [2022-12-13 11:48:26,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:26,969 INFO L495 AbstractCegarLoop]: Abstraction has 155389 states and 175182 transitions. [2022-12-13 11:48:26,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.66666666666667) internal successors, (305), 3 states have internal predecessors, (305), 0 states have call successors, (0), 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 11:48:26,969 INFO L276 IsEmpty]: Start isEmpty. Operand 155389 states and 175182 transitions. [2022-12-13 11:48:26,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-12-13 11:48:26,990 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:26,990 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:26,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 11:48:26,990 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:26,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:26,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1142524655, now seen corresponding path program 1 times [2022-12-13 11:48:26,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:26,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949611918] [2022-12-13 11:48:26,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:26,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-12-13 11:48:27,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:27,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949611918] [2022-12-13 11:48:27,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949611918] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:27,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:27,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 11:48:27,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312400677] [2022-12-13 11:48:27,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:27,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:27,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:27,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:27,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:48:27,396 INFO L87 Difference]: Start difference. First operand 155389 states and 175182 transitions. Second operand has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 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 11:48:28,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:28,786 INFO L93 Difference]: Finished difference Result 324196 states and 364774 transitions. [2022-12-13 11:48:28,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:28,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 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 328 [2022-12-13 11:48:28,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:28,958 INFO L225 Difference]: With dead ends: 324196 [2022-12-13 11:48:28,958 INFO L226 Difference]: Without dead ends: 170436 [2022-12-13 11:48:29,023 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 11:48:29,024 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 203 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:29,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 157 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:48:29,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170436 states. [2022-12-13 11:48:30,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170436 to 168810. [2022-12-13 11:48:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168810 states, 168809 states have (on average 1.12329318934417) internal successors, (189622), 168809 states have internal predecessors, (189622), 0 states have call successors, (0), 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 11:48:30,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168810 states to 168810 states and 189622 transitions. [2022-12-13 11:48:30,942 INFO L78 Accepts]: Start accepts. Automaton has 168810 states and 189622 transitions. Word has length 328 [2022-12-13 11:48:30,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:30,942 INFO L495 AbstractCegarLoop]: Abstraction has 168810 states and 189622 transitions. [2022-12-13 11:48:30,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.33333333333333) internal successors, (226), 2 states have internal predecessors, (226), 0 states have call successors, (0), 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 11:48:30,942 INFO L276 IsEmpty]: Start isEmpty. Operand 168810 states and 189622 transitions. [2022-12-13 11:48:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-12-13 11:48:30,958 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:30,959 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 11:48:30,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 11:48:30,959 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:30,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:30,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1536803488, now seen corresponding path program 1 times [2022-12-13 11:48:30,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:30,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202179019] [2022-12-13 11:48:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:30,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-12-13 11:48:31,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:31,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202179019] [2022-12-13 11:48:31,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202179019] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:31,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:31,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:48:31,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535406802] [2022-12-13 11:48:31,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:31,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:31,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:31,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:31,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:48:31,394 INFO L87 Difference]: Start difference. First operand 168810 states and 189622 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 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 11:48:32,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:32,904 INFO L93 Difference]: Finished difference Result 327082 states and 367575 transitions. [2022-12-13 11:48:32,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:32,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 330 [2022-12-13 11:48:32,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:33,055 INFO L225 Difference]: With dead ends: 327082 [2022-12-13 11:48:33,055 INFO L226 Difference]: Without dead ends: 160717 [2022-12-13 11:48:33,105 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 11:48:33,105 INFO L413 NwaCegarLoop]: 333 mSDtfsCounter, 167 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:33,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 347 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-13 11:48:33,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160717 states. [2022-12-13 11:48:34,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160717 to 139758. [2022-12-13 11:48:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139758 states, 139757 states have (on average 1.1236503359402392) internal successors, (157038), 139757 states have internal predecessors, (157038), 0 states have call successors, (0), 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 11:48:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139758 states to 139758 states and 157038 transitions. [2022-12-13 11:48:34,982 INFO L78 Accepts]: Start accepts. Automaton has 139758 states and 157038 transitions. Word has length 330 [2022-12-13 11:48:34,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:34,982 INFO L495 AbstractCegarLoop]: Abstraction has 139758 states and 157038 transitions. [2022-12-13 11:48:34,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 0 states have call successors, (0), 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 11:48:34,982 INFO L276 IsEmpty]: Start isEmpty. Operand 139758 states and 157038 transitions. [2022-12-13 11:48:34,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2022-12-13 11:48:34,997 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:34,998 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:48:34,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 11:48:34,998 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:34,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:34,998 INFO L85 PathProgramCache]: Analyzing trace with hash 986990376, now seen corresponding path program 1 times [2022-12-13 11:48:34,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:34,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293396764] [2022-12-13 11:48:34,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:34,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-12-13 11:48:35,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:35,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293396764] [2022-12-13 11:48:35,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293396764] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:35,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:48:35,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 11:48:35,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161748622] [2022-12-13 11:48:35,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:35,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:35,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:35,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:35,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 11:48:35,131 INFO L87 Difference]: Start difference. First operand 139758 states and 157038 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 11:48:36,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:36,342 INFO L93 Difference]: Finished difference Result 250833 states and 280509 transitions. [2022-12-13 11:48:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:36,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 337 [2022-12-13 11:48:36,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:36,453 INFO L225 Difference]: With dead ends: 250833 [2022-12-13 11:48:36,453 INFO L226 Difference]: Without dead ends: 110877 [2022-12-13 11:48:36,493 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 11:48:36,493 INFO L413 NwaCegarLoop]: 295 mSDtfsCounter, 223 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:36,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 310 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:48:36,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110877 states. [2022-12-13 11:48:37,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110877 to 90561. [2022-12-13 11:48:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90561 states, 90560 states have (on average 1.0718308303886925) internal successors, (97065), 90560 states have internal predecessors, (97065), 0 states have call successors, (0), 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 11:48:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90561 states to 90561 states and 97065 transitions. [2022-12-13 11:48:37,802 INFO L78 Accepts]: Start accepts. Automaton has 90561 states and 97065 transitions. Word has length 337 [2022-12-13 11:48:37,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:37,802 INFO L495 AbstractCegarLoop]: Abstraction has 90561 states and 97065 transitions. [2022-12-13 11:48:37,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 11:48:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 90561 states and 97065 transitions. [2022-12-13 11:48:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-12-13 11:48:37,815 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:37,815 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 11:48:37,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 11:48:37,816 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:37,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:37,816 INFO L85 PathProgramCache]: Analyzing trace with hash 334417663, now seen corresponding path program 1 times [2022-12-13 11:48:37,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:37,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651192375] [2022-12-13 11:48:37,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:37,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:38,222 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 11:48:38,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:38,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651192375] [2022-12-13 11:48:38,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651192375] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:48:38,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602126176] [2022-12-13 11:48:38,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:38,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:38,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:48:38,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:48:38,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 11:48:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:38,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:48:38,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:48:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 11:48:38,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:48:38,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602126176] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:38,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:48:38,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-12-13 11:48:38,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520942166] [2022-12-13 11:48:38,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:38,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:48:38,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:38,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:48:38,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:48:38,606 INFO L87 Difference]: Start difference. First operand 90561 states and 97065 transitions. Second operand has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 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 11:48:39,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:39,752 INFO L93 Difference]: Finished difference Result 189690 states and 203346 transitions. [2022-12-13 11:48:39,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:48:39,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 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 339 [2022-12-13 11:48:39,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:39,842 INFO L225 Difference]: With dead ends: 189690 [2022-12-13 11:48:39,842 INFO L226 Difference]: Without dead ends: 101577 [2022-12-13 11:48:39,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:48:39,881 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 456 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:39,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 96 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:48:39,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101577 states. [2022-12-13 11:48:40,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101577 to 96848. [2022-12-13 11:48:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96848 states, 96847 states have (on average 1.0596301382593163) internal successors, (102622), 96847 states have internal predecessors, (102622), 0 states have call successors, (0), 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 11:48:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96848 states to 96848 states and 102622 transitions. [2022-12-13 11:48:40,908 INFO L78 Accepts]: Start accepts. Automaton has 96848 states and 102622 transitions. Word has length 339 [2022-12-13 11:48:40,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:40,908 INFO L495 AbstractCegarLoop]: Abstraction has 96848 states and 102622 transitions. [2022-12-13 11:48:40,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.75) internal successors, (299), 3 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 11:48:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 96848 states and 102622 transitions. [2022-12-13 11:48:40,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-12-13 11:48:40,921 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:40,921 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 11:48:40,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 11:48:41,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:41,123 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:41,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:41,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2046811077, now seen corresponding path program 1 times [2022-12-13 11:48:41,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:41,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358357259] [2022-12-13 11:48:41,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:41,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 174 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 11:48:41,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:41,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358357259] [2022-12-13 11:48:41,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358357259] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:48:41,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508911713] [2022-12-13 11:48:41,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:41,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:41,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:48:41,542 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:48:41,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 11:48:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:41,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:48:41,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:48:41,921 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-13 11:48:41,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:48:41,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508911713] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:41,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:48:41,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 11:48:41,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243026974] [2022-12-13 11:48:41,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:41,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:41,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:41,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:41,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:41,923 INFO L87 Difference]: Start difference. First operand 96848 states and 102622 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 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 11:48:42,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:42,689 INFO L93 Difference]: Finished difference Result 274464 states and 290640 transitions. [2022-12-13 11:48:42,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:42,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 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 11:48:42,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:42,849 INFO L225 Difference]: With dead ends: 274464 [2022-12-13 11:48:42,849 INFO L226 Difference]: Without dead ends: 179245 [2022-12-13 11:48:42,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 360 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 11:48:42,900 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 185 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:42,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 485 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 11:48:43,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179245 states. [2022-12-13 11:48:44,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179245 to 177605. [2022-12-13 11:48:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177605 states, 177604 states have (on average 1.0582194094727597) internal successors, (187944), 177604 states have internal predecessors, (187944), 0 states have call successors, (0), 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 11:48:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177605 states to 177605 states and 187944 transitions. [2022-12-13 11:48:45,042 INFO L78 Accepts]: Start accepts. Automaton has 177605 states and 187944 transitions. Word has length 361 [2022-12-13 11:48:45,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:45,042 INFO L495 AbstractCegarLoop]: Abstraction has 177605 states and 187944 transitions. [2022-12-13 11:48:45,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 2 states have internal predecessors, (316), 0 states have call successors, (0), 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 11:48:45,042 INFO L276 IsEmpty]: Start isEmpty. Operand 177605 states and 187944 transitions. [2022-12-13 11:48:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-12-13 11:48:45,054 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:45,054 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:45,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 11:48:45,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:45,256 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:45,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:45,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1607340768, now seen corresponding path program 1 times [2022-12-13 11:48:45,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:45,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57012821] [2022-12-13 11:48:45,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:45,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 263 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 11:48:45,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:45,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57012821] [2022-12-13 11:48:45,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57012821] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:48:45,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669932756] [2022-12-13 11:48:45,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:45,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:45,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:48:45,802 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:48:45,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 11:48:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:46,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:48:46,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:48:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 302 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 11:48:46,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:48:46,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669932756] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:46,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:48:46,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-12-13 11:48:46,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791081980] [2022-12-13 11:48:46,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:46,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:48:46,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:46,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:48:46,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:48:46,095 INFO L87 Difference]: Start difference. First operand 177605 states and 187944 transitions. Second operand has 4 states, 4 states have (on average 95.75) internal successors, (383), 4 states have internal predecessors, (383), 0 states have call successors, (0), 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 11:48:47,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:47,788 INFO L93 Difference]: Finished difference Result 351007 states and 371560 transitions. [2022-12-13 11:48:47,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:48:47,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 95.75) internal successors, (383), 4 states have internal predecessors, (383), 0 states have call successors, (0), 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 388 [2022-12-13 11:48:47,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:47,948 INFO L225 Difference]: With dead ends: 351007 [2022-12-13 11:48:47,948 INFO L226 Difference]: Without dead ends: 176045 [2022-12-13 11:48:48,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:48:48,004 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 395 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:48,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 301 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-13 11:48:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176045 states. [2022-12-13 11:48:50,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176045 to 175569. [2022-12-13 11:48:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175569 states, 175568 states have (on average 1.0532158479905223) internal successors, (184911), 175568 states have internal predecessors, (184911), 0 states have call successors, (0), 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 11:48:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175569 states to 175569 states and 184911 transitions. [2022-12-13 11:48:50,350 INFO L78 Accepts]: Start accepts. Automaton has 175569 states and 184911 transitions. Word has length 388 [2022-12-13 11:48:50,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:50,350 INFO L495 AbstractCegarLoop]: Abstraction has 175569 states and 184911 transitions. [2022-12-13 11:48:50,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.75) internal successors, (383), 4 states have internal predecessors, (383), 0 states have call successors, (0), 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 11:48:50,351 INFO L276 IsEmpty]: Start isEmpty. Operand 175569 states and 184911 transitions. [2022-12-13 11:48:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2022-12-13 11:48:50,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:50,363 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:50,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 11:48:50,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:50,565 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:50,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:50,566 INFO L85 PathProgramCache]: Analyzing trace with hash -314201282, now seen corresponding path program 1 times [2022-12-13 11:48:50,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:50,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347335970] [2022-12-13 11:48:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:50,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:51,772 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 245 proven. 62 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 11:48:51,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:51,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347335970] [2022-12-13 11:48:51,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347335970] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:48:51,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638374100] [2022-12-13 11:48:51,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:51,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:51,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:48:51,773 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:48:51,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 11:48:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:51,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 11:48:51,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:48:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 11:48:52,086 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:48:52,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638374100] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:52,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:48:52,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 11:48:52,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432959507] [2022-12-13 11:48:52,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:52,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:52,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:52,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:52,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:48:52,088 INFO L87 Difference]: Start difference. First operand 175569 states and 184911 transitions. Second operand has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 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 11:48:53,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:53,327 INFO L93 Difference]: Finished difference Result 364572 states and 384193 transitions. [2022-12-13 11:48:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:53,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 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 396 [2022-12-13 11:48:53,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:53,516 INFO L225 Difference]: With dead ends: 364572 [2022-12-13 11:48:53,517 INFO L226 Difference]: Without dead ends: 191646 [2022-12-13 11:48:53,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:48:53,582 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 166 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:53,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 102 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-13 11:48:53,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191646 states. [2022-12-13 11:48:55,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191646 to 182897. [2022-12-13 11:48:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182897 states, 182896 states have (on average 1.04933404776485) internal successors, (191919), 182896 states have internal predecessors, (191919), 0 states have call successors, (0), 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 11:48:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182897 states to 182897 states and 191919 transitions. [2022-12-13 11:48:55,693 INFO L78 Accepts]: Start accepts. Automaton has 182897 states and 191919 transitions. Word has length 396 [2022-12-13 11:48:55,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:48:55,693 INFO L495 AbstractCegarLoop]: Abstraction has 182897 states and 191919 transitions. [2022-12-13 11:48:55,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 0 states have call successors, (0), 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 11:48:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 182897 states and 191919 transitions. [2022-12-13 11:48:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-12-13 11:48:55,705 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:48:55,705 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 11:48:55,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-13 11:48:55,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-12-13 11:48:55,910 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:48:55,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:48:55,911 INFO L85 PathProgramCache]: Analyzing trace with hash -924845834, now seen corresponding path program 1 times [2022-12-13 11:48:55,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:48:55,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260245990] [2022-12-13 11:48:55,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:55,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:48:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 235 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-12-13 11:48:56,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:48:56,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260245990] [2022-12-13 11:48:56,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260245990] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:48:56,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847438497] [2022-12-13 11:48:56,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:48:56,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:48:56,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:48:56,372 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:48:56,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 11:48:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:48:56,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 11:48:56,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:48:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-12-13 11:48:56,884 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:48:56,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847438497] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:48:56,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:48:56,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-12-13 11:48:56,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833671477] [2022-12-13 11:48:56,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:48:56,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:48:56,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:48:56,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:48:56,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 11:48:56,885 INFO L87 Difference]: Start difference. First operand 182897 states and 191919 transitions. Second operand has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 2 states have internal predecessors, (329), 0 states have call successors, (0), 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 11:48:57,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:48:57,933 INFO L93 Difference]: Finished difference Result 358241 states and 375954 transitions. [2022-12-13 11:48:57,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:48:57,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 2 states have internal predecessors, (329), 0 states have call successors, (0), 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 398 [2022-12-13 11:48:57,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:48:58,105 INFO L225 Difference]: With dead ends: 358241 [2022-12-13 11:48:58,105 INFO L226 Difference]: Without dead ends: 177987 [2022-12-13 11:48:58,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 397 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 11:48:58,172 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 158 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:48:58,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 28 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 11:48:58,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177987 states. [2022-12-13 11:49:00,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177987 to 177987. [2022-12-13 11:49:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177987 states, 177986 states have (on average 1.0490937489465464) internal successors, (186724), 177986 states have internal predecessors, (186724), 0 states have call successors, (0), 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 11:49:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177987 states to 177987 states and 186724 transitions. [2022-12-13 11:49:00,306 INFO L78 Accepts]: Start accepts. Automaton has 177987 states and 186724 transitions. Word has length 398 [2022-12-13 11:49:00,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:49:00,306 INFO L495 AbstractCegarLoop]: Abstraction has 177987 states and 186724 transitions. [2022-12-13 11:49:00,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.66666666666667) internal successors, (329), 2 states have internal predecessors, (329), 0 states have call successors, (0), 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 11:49:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 177987 states and 186724 transitions. [2022-12-13 11:49:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-12-13 11:49:00,321 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:49:00,321 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:00,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 11:49:00,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-13 11:49:00,524 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:49:00,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:49:00,525 INFO L85 PathProgramCache]: Analyzing trace with hash 863348621, now seen corresponding path program 1 times [2022-12-13 11:49:00,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:49:00,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458463123] [2022-12-13 11:49:00,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:49:00,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:49:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:49:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 147 proven. 6 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2022-12-13 11:49:00,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:49:00,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458463123] [2022-12-13 11:49:00,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458463123] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:49:00,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785744086] [2022-12-13 11:49:00,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:49:00,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:49:00,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:49:00,918 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:49:00,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 11:49:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:49:01,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:49:01,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:49:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 289 proven. 37 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-12-13 11:49:01,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 11:49:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 289 proven. 37 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-12-13 11:49:01,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785744086] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 11:49:01,381 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 11:49:01,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2022-12-13 11:49:01,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306074453] [2022-12-13 11:49:01,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 11:49:01,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 11:49:01,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:49:01,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:49:01,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:49:01,383 INFO L87 Difference]: Start difference. First operand 177987 states and 186724 transitions. Second operand has 6 states, 6 states have (on average 62.166666666666664) internal successors, (373), 5 states have internal predecessors, (373), 0 states have call successors, (0), 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 11:49:04,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:49:04,068 INFO L93 Difference]: Finished difference Result 389215 states and 408279 transitions. [2022-12-13 11:49:04,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 11:49:04,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 62.166666666666664) internal successors, (373), 5 states have internal predecessors, (373), 0 states have call successors, (0), 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 407 [2022-12-13 11:49:04,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:49:04,277 INFO L225 Difference]: With dead ends: 389215 [2022-12-13 11:49:04,278 INFO L226 Difference]: Without dead ends: 203719 [2022-12-13 11:49:04,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 818 GetRequests, 811 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:49:04,353 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 2054 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1978 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2054 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 2398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 1978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 11:49:04,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2054 Valid, 132 Invalid, 2398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 1978 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 11:49:04,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203719 states. [2022-12-13 11:49:06,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203719 to 174755. [2022-12-13 11:49:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174755 states, 174754 states have (on average 1.0431978667154973) internal successors, (182303), 174754 states have internal predecessors, (182303), 0 states have call successors, (0), 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 11:49:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174755 states to 174755 states and 182303 transitions. [2022-12-13 11:49:06,514 INFO L78 Accepts]: Start accepts. Automaton has 174755 states and 182303 transitions. Word has length 407 [2022-12-13 11:49:06,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:49:06,514 INFO L495 AbstractCegarLoop]: Abstraction has 174755 states and 182303 transitions. [2022-12-13 11:49:06,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.166666666666664) internal successors, (373), 5 states have internal predecessors, (373), 0 states have call successors, (0), 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 11:49:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 174755 states and 182303 transitions. [2022-12-13 11:49:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-12-13 11:49:06,528 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:49:06,528 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 11:49:06,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 11:49:06,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-12-13 11:49:06,730 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:49:06,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:49:06,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1792403583, now seen corresponding path program 1 times [2022-12-13 11:49:06,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:49:06,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591574410] [2022-12-13 11:49:06,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:49:06,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:49:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:49:07,239 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 564 proven. 18 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-12-13 11:49:07,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:49:07,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591574410] [2022-12-13 11:49:07,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591574410] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:49:07,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702498480] [2022-12-13 11:49:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:49:07,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:49:07,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:49:07,240 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:49:07,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 11:49:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:49:07,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:49:07,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:49:07,603 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-12-13 11:49:07,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:49:07,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702498480] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:49:07,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:49:07,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-12-13 11:49:07,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796189159] [2022-12-13 11:49:07,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:49:07,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:49:07,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:49:07,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:49:07,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:49:07,605 INFO L87 Difference]: Start difference. First operand 174755 states and 182303 transitions. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 2 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:49:09,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:49:09,017 INFO L93 Difference]: Finished difference Result 484942 states and 506189 transitions. [2022-12-13 11:49:09,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:49:09,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 2 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 500 [2022-12-13 11:49:09,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:49:09,330 INFO L225 Difference]: With dead ends: 484942 [2022-12-13 11:49:09,330 INFO L226 Difference]: Without dead ends: 312424 [2022-12-13 11:49:09,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:49:09,422 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 159 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:49:09,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 492 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 11:49:09,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312424 states. [2022-12-13 11:49:12,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312424 to 299145. [2022-12-13 11:49:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299145 states, 299144 states have (on average 1.044430107239323) internal successors, (312435), 299144 states have internal predecessors, (312435), 0 states have call successors, (0), 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 11:49:13,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299145 states to 299145 states and 312435 transitions. [2022-12-13 11:49:13,394 INFO L78 Accepts]: Start accepts. Automaton has 299145 states and 312435 transitions. Word has length 500 [2022-12-13 11:49:13,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:49:13,395 INFO L495 AbstractCegarLoop]: Abstraction has 299145 states and 312435 transitions. [2022-12-13 11:49:13,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 2 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 11:49:13,395 INFO L276 IsEmpty]: Start isEmpty. Operand 299145 states and 312435 transitions. [2022-12-13 11:49:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2022-12-13 11:49:13,414 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:49:13,414 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:13,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-12-13 11:49:13,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-12-13 11:49:13,616 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:49:13,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:49:13,618 INFO L85 PathProgramCache]: Analyzing trace with hash -453746971, now seen corresponding path program 1 times [2022-12-13 11:49:13,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:49:13,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351581214] [2022-12-13 11:49:13,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:49:13,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:49:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:49:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 428 proven. 9 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2022-12-13 11:49:14,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:49:14,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351581214] [2022-12-13 11:49:14,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351581214] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:49:14,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803778955] [2022-12-13 11:49:14,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:49:14,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:49:14,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:49:14,484 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:49:14,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-12-13 11:49:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:49:14,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:49:14,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:49:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 634 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-12-13 11:49:14,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:49:14,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803778955] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:49:14,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:49:14,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 11:49:14,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413680737] [2022-12-13 11:49:14,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:49:14,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:49:14,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:49:14,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:49:14,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:49:14,947 INFO L87 Difference]: Start difference. First operand 299145 states and 312435 transitions. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 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 11:49:16,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:49:16,447 INFO L93 Difference]: Finished difference Result 519596 states and 542288 transitions. [2022-12-13 11:49:16,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:49:16,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 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 577 [2022-12-13 11:49:16,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:49:16,687 INFO L225 Difference]: With dead ends: 519596 [2022-12-13 11:49:16,687 INFO L226 Difference]: Without dead ends: 221671 [2022-12-13 11:49:16,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 576 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:49:16,782 INFO L413 NwaCegarLoop]: 504 mSDtfsCounter, 220 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:49:16,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 709 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 11:49:16,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221671 states. [2022-12-13 11:49:19,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221671 to 218827. [2022-12-13 11:49:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218827 states, 218826 states have (on average 1.0349455731951414) internal successors, (226473), 218826 states have internal predecessors, (226473), 0 states have call successors, (0), 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 11:49:19,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218827 states to 218827 states and 226473 transitions. [2022-12-13 11:49:19,854 INFO L78 Accepts]: Start accepts. Automaton has 218827 states and 226473 transitions. Word has length 577 [2022-12-13 11:49:19,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:49:19,855 INFO L495 AbstractCegarLoop]: Abstraction has 218827 states and 226473 transitions. [2022-12-13 11:49:19,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 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 11:49:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 218827 states and 226473 transitions. [2022-12-13 11:49:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-12-13 11:49:19,878 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:49:19,878 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:19,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-12-13 11:49:20,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-12-13 11:49:20,080 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:49:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:49:20,082 INFO L85 PathProgramCache]: Analyzing trace with hash 498922439, now seen corresponding path program 1 times [2022-12-13 11:49:20,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:49:20,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094618556] [2022-12-13 11:49:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:49:20,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:49:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:49:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 664 proven. 84 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-12-13 11:49:21,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:49:21,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094618556] [2022-12-13 11:49:21,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094618556] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:49:21,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366114298] [2022-12-13 11:49:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:49:21,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:49:21,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:49:21,935 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:49:21,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-12-13 11:49:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:49:22,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 11:49:22,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:49:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 770 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-12-13 11:49:22,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:49:22,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366114298] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:49:22,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:49:22,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2022-12-13 11:49:22,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070064992] [2022-12-13 11:49:22,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:49:22,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 11:49:22,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:49:22,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 11:49:22,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:49:22,492 INFO L87 Difference]: Start difference. First operand 218827 states and 226473 transitions. Second operand has 4 states, 4 states have (on average 122.25) internal successors, (489), 4 states have internal predecessors, (489), 0 states have call successors, (0), 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 11:49:23,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:49:23,860 INFO L93 Difference]: Finished difference Result 296715 states and 307071 transitions. [2022-12-13 11:49:23,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 11:49:23,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 122.25) internal successors, (489), 4 states have internal predecessors, (489), 0 states have call successors, (0), 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 580 [2022-12-13 11:49:23,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:49:23,917 INFO L225 Difference]: With dead ends: 296715 [2022-12-13 11:49:23,917 INFO L226 Difference]: Without dead ends: 70987 [2022-12-13 11:49:23,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-12-13 11:49:23,983 INFO L413 NwaCegarLoop]: 294 mSDtfsCounter, 265 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-13 11:49:23,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 320 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-13 11:49:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70987 states. [2022-12-13 11:49:24,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70987 to 62441. [2022-12-13 11:49:24,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62441 states, 62440 states have (on average 1.0316143497757848) internal successors, (64414), 62440 states have internal predecessors, (64414), 0 states have call successors, (0), 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 11:49:24,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62441 states to 62441 states and 64414 transitions. [2022-12-13 11:49:24,813 INFO L78 Accepts]: Start accepts. Automaton has 62441 states and 64414 transitions. Word has length 580 [2022-12-13 11:49:24,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:49:24,814 INFO L495 AbstractCegarLoop]: Abstraction has 62441 states and 64414 transitions. [2022-12-13 11:49:24,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 122.25) internal successors, (489), 4 states have internal predecessors, (489), 0 states have call successors, (0), 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 11:49:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 62441 states and 64414 transitions. [2022-12-13 11:49:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1098 [2022-12-13 11:49:24,863 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 11:49:24,864 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 17, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 11:49:24,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-12-13 11:49:25,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:49:25,066 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 11:49:25,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:49:25,069 INFO L85 PathProgramCache]: Analyzing trace with hash -720211570, now seen corresponding path program 1 times [2022-12-13 11:49:25,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:49:25,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672968948] [2022-12-13 11:49:25,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:49:25,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:49:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:49:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4835 backedges. 1055 proven. 9 refuted. 0 times theorem prover too weak. 3771 trivial. 0 not checked. [2022-12-13 11:49:26,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:49:26,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672968948] [2022-12-13 11:49:26,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672968948] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 11:49:26,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156510229] [2022-12-13 11:49:26,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:49:26,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 11:49:26,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:49:26,523 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 11:49:26,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-12-13 11:49:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:49:27,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 1935 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 11:49:27,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 11:49:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4835 backedges. 3068 proven. 0 refuted. 0 times theorem prover too weak. 1767 trivial. 0 not checked. [2022-12-13 11:49:27,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 11:49:27,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156510229] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:49:27,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 11:49:27,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-12-13 11:49:27,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726414140] [2022-12-13 11:49:27,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:49:27,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 11:49:27,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:49:27,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 11:49:27,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:49:27,346 INFO L87 Difference]: Start difference. First operand 62441 states and 64414 transitions. Second operand has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 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 11:49:27,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:49:27,751 INFO L93 Difference]: Finished difference Result 95587 states and 98584 transitions. [2022-12-13 11:49:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 11:49:27,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 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 1097 [2022-12-13 11:49:27,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 11:49:27,752 INFO L225 Difference]: With dead ends: 95587 [2022-12-13 11:49:27,752 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 11:49:27,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1100 GetRequests, 1096 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:49:27,774 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 75 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-13 11:49:27,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 600 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-13 11:49:27,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 11:49:27,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 11:49:27,774 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 11:49:27,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 11:49:27,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1097 [2022-12-13 11:49:27,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 11:49:27,775 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 11:49:27,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 0 states have call successors, (0), 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 11:49:27,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 11:49:27,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 11:49:27,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 11:49:27,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-12-13 11:49:27,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-12-13 11:49:27,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 11:49:52,787 WARN L233 SmtUtils]: Spent 24.77s on a formula simplification. DAG size of input: 1168 DAG size of output: 1156 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 11:50:17,352 WARN L233 SmtUtils]: Spent 24.56s on a formula simplification. DAG size of input: 1168 DAG size of output: 1156 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-12-13 11:50:38,561 WARN L233 SmtUtils]: Spent 21.19s on a formula simplification. DAG size of input: 1156 DAG size of output: 201 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 11:50:59,270 WARN L233 SmtUtils]: Spent 20.70s on a formula simplification. DAG size of input: 1156 DAG size of output: 201 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-12-13 11:50:59,273 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-12-13 11:50:59,273 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-12-13 11:50:59,274 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,275 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,276 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,277 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,278 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,279 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-12-13 11:50:59,280 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-12-13 11:50:59,281 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1615) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-12-13 11:50:59,282 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,283 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-12-13 11:50:59,284 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,285 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-12-13 11:50:59,285 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,286 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,287 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-12-13 11:50:59,287 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-12-13 11:50:59,287 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,287 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,287 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-12-13 11:50:59,287 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-12-13 11:50:59,287 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse4 (= ~a11~0 1)) (.cse15 (= ~a6~0 1))) (let ((.cse6 (<= ~a12~0 0)) (.cse14 (= ~a26~0 1)) (.cse2 (<= ~a3~0 1)) (.cse29 (= ~a12~0 ~a11~0)) (.cse3 (= ~a16~0 1)) (.cse28 (= ~a26~0 ~a11~0)) (.cse24 (= ~a26~0 0)) (.cse5 (= ~a6~0 0)) (.cse11 (= ~a15~0 1)) (.cse1 (= ~a5~0 1)) (.cse7 (not .cse15)) (.cse8 (= ~a27~0 1)) (.cse17 (not .cse4)) (.cse13 (= ~a3~0 0)) (.cse18 (= ~a12~0 1))) (let ((.cse16 (not .cse18)) (.cse27 (or (and .cse11 .cse24 .cse1 .cse5 .cse17 .cse13) (and .cse11 .cse1 .cse7 .cse8 .cse17 .cse13))) (.cse20 (or (and .cse14 .cse1 .cse18 .cse2 .cse3 .cse4 .cse5) (and .cse11 .cse1 .cse2 .cse29 .cse3 .cse4 .cse28 .cse8) (and .cse1 .cse29 .cse3 .cse4 .cse28 .cse8 .cse13))) (.cse22 (not .cse14)) (.cse19 (<= 2 ~a3~0)) (.cse9 (<= ~a23~0 0)) (.cse30 (= ~a26~0 ~a8~0)) (.cse25 (not .cse8)) (.cse26 (<= ~a0~0 0)) (.cse23 (or (and .cse11 .cse1 .cse3 .cse4 .cse7 .cse6 .cse8 .cse13) (and .cse11 .cse1 .cse3 .cse4 .cse5 .cse6 .cse13))) (.cse21 (<= ~a16~0 0)) (.cse0 (<= ~a7~0 0)) (.cse12 (= ~a11~0 0)) (.cse10 (= ~a1~0 1))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse7 .cse6 .cse8)) .cse9 .cse10) (and .cse11 .cse1 .cse3 .cse12 .cse10 .cse6 .cse8 .cse13) (and .cse11 .cse14 .cse1 .cse2 .cse3 .cse15 .cse16 .cse10 .cse8 .cse17) (and .cse0 .cse1 .cse18 .cse19 .cse3 .cse4 .cse15 .cse10 .cse8) (and .cse15 .cse20) (and .cse0 .cse14 .cse1 .cse18 .cse2 .cse5 .cse10 .cse21 .cse8 .cse17) (and .cse22 .cse10 .cse23 .cse8) (and .cse0 .cse14 .cse1 .cse2 .cse3 .cse15 .cse16 .cse10 .cse8 .cse17) (and .cse0 .cse14 .cse1 .cse3 .cse15 .cse10 .cse8 .cse13) (and .cse11 .cse0 .cse24 .cse1 .cse18 .cse25 .cse3 .cse5 .cse10 .cse17 .cse13) (and .cse11 .cse0 .cse1 (= ~a11~0 ~a2~0) .cse15 .cse16 .cse10 .cse21 (= ~a29~0 1) .cse17 .cse13) (and .cse26 (or (and .cse10 .cse23) (and .cse11 .cse14 .cse1 .cse2 .cse3 .cse4 .cse10 .cse7 .cse6 .cse8))) (and .cse0 .cse24 .cse1 .cse18 .cse19 .cse3 .cse9 .cse12 .cse15 .cse10 .cse8) (and .cse0 .cse14 .cse1 .cse2 .cse3 .cse5 .cse12 .cse10 .cse6) (and .cse18 .cse10 .cse21 .cse27) (and .cse0 .cse1 .cse3 .cse12 .cse15 .cse10 .cse6 .cse8) (and .cse0 .cse1 .cse2 .cse25 .cse3 .cse5 .cse12 .cse10 .cse6) (and .cse11 .cse0 .cse1 .cse2 .cse25 .cse3 .cse15 .cse10 .cse6) (and .cse0 .cse14 .cse1 .cse19 .cse3 .cse4 .cse15 .cse10 .cse6) (and .cse0 .cse24 .cse1 .cse3 .cse5 .cse12 .cse10 .cse6 .cse8) (and .cse0 .cse24 .cse1 .cse19 .cse3 .cse4 .cse5 .cse10 .cse6) (and .cse11 .cse0 .cse14 .cse1 .cse3 .cse4 .cse9 .cse15 .cse10 .cse6) (and .cse11 .cse14 .cse1 .cse10 .cse7 .cse6 .cse8 .cse17 .cse13) (and .cse0 .cse14 .cse1 .cse18 .cse19 .cse3 .cse5 .cse12 .cse10) (and .cse11 .cse0 .cse1 .cse18 .cse3 .cse4 .cse15 .cse10 .cse28 .cse13) (and .cse11 .cse1 .cse18 .cse3 .cse4 .cse9 .cse15 .cse10 .cse8 .cse13) (and .cse11 .cse0 .cse1 .cse2 .cse22 .cse3 .cse4 .cse10 .cse7 .cse6 .cse8) (and .cse11 .cse0 .cse26 .cse1 .cse19 .cse3 .cse4 .cse15 .cse10 .cse6 .cse8) (and .cse14 .cse1 .cse18 .cse3 .cse15 .cse10 .cse8 .cse13) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse15 .cse10 .cse6 .cse17) (and .cse1 .cse29 .cse4 .cse15 .cse28 .cse8 .cse13) (and .cse11 .cse14 .cse1 .cse3 .cse15 .cse10 .cse8 .cse13) (and .cse0 .cse24 .cse1 .cse18 .cse5 .cse10 .cse21 .cse17 .cse13 (= ~a14~0 ~a11~0)) (and .cse0 .cse14 .cse1 .cse2 .cse15 .cse16 .cse10 .cse21 .cse8) (and .cse11 .cse0 .cse14 .cse26 .cse1 .cse19 .cse3 .cse5 .cse12 .cse10 .cse8) (and .cse0 .cse1 .cse19 .cse3 .cse4 .cse5 .cse10 .cse6 .cse8) (and .cse0 .cse14 .cse1 .cse3 .cse12 .cse15 .cse10 .cse6) (and .cse11 .cse1 .cse3 .cse4 .cse15 .cse10 .cse6 .cse13) (and .cse11 .cse0 .cse1 .cse2 .cse25 .cse3 .cse5 .cse10 .cse6 .cse17) (and .cse14 .cse1 .cse18 .cse3 .cse12 .cse10 .cse8 .cse13) (and .cse18 .cse25 .cse3 .cse12 .cse10 .cse27) (and .cse11 .cse0 .cse24 .cse1 .cse18 .cse25 .cse3 .cse15 .cse10 .cse17 .cse13) (and .cse10 .cse20) (and .cse0 .cse24 .cse1 .cse18 .cse2 .cse25 .cse3 .cse9 .cse12 .cse15 .cse10) (and .cse11 .cse0 .cse24 .cse1 .cse2 .cse3 .cse5 .cse10 .cse6 .cse17) (and .cse0 .cse14 .cse1 .cse18 .cse19 .cse3 .cse12 .cse15 .cse10 .cse8) (and .cse0 .cse1 .cse22 .cse3 .cse12 .cse10 .cse7 .cse6 .cse8 .cse13) (and .cse11 .cse0 .cse24 .cse1 .cse18 .cse19 .cse25 .cse3 .cse12 .cse15 .cse10 .cse30) (and .cse11 .cse0 .cse14 .cse1 .cse18 .cse19 .cse3 .cse12 .cse15 .cse10) (and .cse0 .cse1 .cse3 .cse4 .cse10 .cse7 .cse6 .cse8 .cse13) (and .cse11 .cse14 .cse1 .cse18 .cse25 .cse3 .cse10 .cse7 .cse17 .cse13) (and .cse0 .cse26 .cse1 .cse3 .cse4 .cse10 .cse6 .cse8 .cse13) (and .cse11 .cse14 .cse1 .cse2 .cse3 .cse12 .cse15 .cse10 .cse8) (and .cse11 .cse0 .cse24 .cse1 .cse18 .cse2 .cse25 .cse3 .cse9 .cse15 .cse10 .cse17) (and .cse0 .cse24 .cse1 .cse18 .cse25 .cse3 .cse5 .cse12 .cse10 .cse13) (and .cse0 .cse1 .cse29 .cse3 .cse4 .cse5 .cse10 .cse28) (and .cse11 .cse1 .cse3 .cse10 .cse7 .cse6 .cse8 .cse17 .cse13) (and .cse0 .cse24 .cse1 .cse18 .cse25 .cse3 .cse9 .cse12 .cse15 .cse10 .cse30) (and .cse11 .cse1 .cse25 .cse3 .cse15 .cse10 .cse6 .cse13) (and .cse11 .cse14 .cse26 .cse1 .cse2 .cse15 .cse10 .cse21 .cse6 .cse8) (and .cse0 .cse10 .cse23) (and .cse11 .cse0 .cse14 .cse1 .cse18 .cse3 .cse5 .cse12 .cse10 .cse8) (and .cse11 .cse14 .cse1 .cse2 .cse15 .cse10 .cse21 .cse8 .cse17) (and .cse0 .cse1 .cse2 .cse3 .cse12 .cse15 .cse10 .cse6))))) [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,288 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,289 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-12-13 11:50:59,290 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,291 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-12-13 11:50:59,292 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-12-13 11:50:59,293 INFO L895 garLoopResultBuilder]: At program point calculate_output_returnLabel#1(lines 64 1660) the Hoare annotation is: (let ((.cse4 (= ~a11~0 1)) (.cse15 (= ~a6~0 1))) (let ((.cse6 (<= ~a12~0 0)) (.cse14 (= ~a26~0 1)) (.cse2 (<= ~a3~0 1)) (.cse29 (= ~a12~0 ~a11~0)) (.cse3 (= ~a16~0 1)) (.cse28 (= ~a26~0 ~a11~0)) (.cse24 (= ~a26~0 0)) (.cse5 (= ~a6~0 0)) (.cse11 (= ~a15~0 1)) (.cse1 (= ~a5~0 1)) (.cse7 (not .cse15)) (.cse8 (= ~a27~0 1)) (.cse17 (not .cse4)) (.cse13 (= ~a3~0 0)) (.cse18 (= ~a12~0 1))) (let ((.cse16 (not .cse18)) (.cse27 (or (and .cse11 .cse24 .cse1 .cse5 .cse17 .cse13) (and .cse11 .cse1 .cse7 .cse8 .cse17 .cse13))) (.cse20 (or (and .cse14 .cse1 .cse18 .cse2 .cse3 .cse4 .cse5) (and .cse11 .cse1 .cse2 .cse29 .cse3 .cse4 .cse28 .cse8) (and .cse1 .cse29 .cse3 .cse4 .cse28 .cse8 .cse13))) (.cse22 (not .cse14)) (.cse19 (<= 2 ~a3~0)) (.cse9 (<= ~a23~0 0)) (.cse30 (= ~a26~0 ~a8~0)) (.cse25 (not .cse8)) (.cse26 (<= ~a0~0 0)) (.cse23 (or (and .cse11 .cse1 .cse3 .cse4 .cse7 .cse6 .cse8 .cse13) (and .cse11 .cse1 .cse3 .cse4 .cse5 .cse6 .cse13))) (.cse21 (<= ~a16~0 0)) (.cse0 (<= ~a7~0 0)) (.cse12 (= ~a11~0 0)) (.cse10 (= ~a1~0 1))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse7 .cse6 .cse8)) .cse9 .cse10) (and .cse11 .cse1 .cse3 .cse12 .cse10 .cse6 .cse8 .cse13) (and .cse11 .cse14 .cse1 .cse2 .cse3 .cse15 .cse16 .cse10 .cse8 .cse17) (and .cse0 .cse1 .cse18 .cse19 .cse3 .cse4 .cse15 .cse10 .cse8) (and .cse15 .cse20) (and .cse0 .cse14 .cse1 .cse18 .cse2 .cse5 .cse10 .cse21 .cse8 .cse17) (and .cse22 .cse10 .cse23 .cse8) (and .cse0 .cse14 .cse1 .cse2 .cse3 .cse15 .cse16 .cse10 .cse8 .cse17) (and .cse0 .cse14 .cse1 .cse3 .cse15 .cse10 .cse8 .cse13) (and .cse11 .cse0 .cse24 .cse1 .cse18 .cse25 .cse3 .cse5 .cse10 .cse17 .cse13) (and .cse11 .cse0 .cse1 (= ~a11~0 ~a2~0) .cse15 .cse16 .cse10 .cse21 (= ~a29~0 1) .cse17 .cse13) (and .cse26 (or (and .cse10 .cse23) (and .cse11 .cse14 .cse1 .cse2 .cse3 .cse4 .cse10 .cse7 .cse6 .cse8))) (and .cse0 .cse24 .cse1 .cse18 .cse19 .cse3 .cse9 .cse12 .cse15 .cse10 .cse8) (and .cse0 .cse14 .cse1 .cse2 .cse3 .cse5 .cse12 .cse10 .cse6) (and .cse18 .cse10 .cse21 .cse27) (and .cse0 .cse1 .cse3 .cse12 .cse15 .cse10 .cse6 .cse8) (and .cse0 .cse1 .cse2 .cse25 .cse3 .cse5 .cse12 .cse10 .cse6) (and .cse11 .cse0 .cse1 .cse2 .cse25 .cse3 .cse15 .cse10 .cse6) (and .cse0 .cse14 .cse1 .cse19 .cse3 .cse4 .cse15 .cse10 .cse6) (and .cse0 .cse24 .cse1 .cse3 .cse5 .cse12 .cse10 .cse6 .cse8) (and .cse0 .cse24 .cse1 .cse19 .cse3 .cse4 .cse5 .cse10 .cse6) (and .cse11 .cse0 .cse14 .cse1 .cse3 .cse4 .cse9 .cse15 .cse10 .cse6) (and .cse11 .cse14 .cse1 .cse10 .cse7 .cse6 .cse8 .cse17 .cse13) (and .cse0 .cse14 .cse1 .cse18 .cse19 .cse3 .cse5 .cse12 .cse10) (and .cse11 .cse0 .cse1 .cse18 .cse3 .cse4 .cse15 .cse10 .cse28 .cse13) (and .cse11 .cse1 .cse18 .cse3 .cse4 .cse9 .cse15 .cse10 .cse8 .cse13) (and .cse11 .cse0 .cse1 .cse2 .cse22 .cse3 .cse4 .cse10 .cse7 .cse6 .cse8) (and .cse11 .cse0 .cse26 .cse1 .cse19 .cse3 .cse4 .cse15 .cse10 .cse6 .cse8) (and .cse14 .cse1 .cse18 .cse3 .cse15 .cse10 .cse8 .cse13) (and .cse11 .cse0 .cse1 .cse2 .cse3 .cse15 .cse10 .cse6 .cse17) (and .cse1 .cse29 .cse4 .cse15 .cse28 .cse8 .cse13) (and .cse11 .cse14 .cse1 .cse3 .cse15 .cse10 .cse8 .cse13) (and .cse0 .cse24 .cse1 .cse18 .cse5 .cse10 .cse21 .cse17 .cse13 (= ~a14~0 ~a11~0)) (and .cse0 .cse14 .cse1 .cse2 .cse15 .cse16 .cse10 .cse21 .cse8) (and .cse11 .cse0 .cse14 .cse26 .cse1 .cse19 .cse3 .cse5 .cse12 .cse10 .cse8) (and .cse0 .cse1 .cse19 .cse3 .cse4 .cse5 .cse10 .cse6 .cse8) (and .cse0 .cse14 .cse1 .cse3 .cse12 .cse15 .cse10 .cse6) (and .cse11 .cse1 .cse3 .cse4 .cse15 .cse10 .cse6 .cse13) (and .cse11 .cse0 .cse1 .cse2 .cse25 .cse3 .cse5 .cse10 .cse6 .cse17) (and .cse14 .cse1 .cse18 .cse3 .cse12 .cse10 .cse8 .cse13) (and .cse18 .cse25 .cse3 .cse12 .cse10 .cse27) (and .cse11 .cse0 .cse24 .cse1 .cse18 .cse25 .cse3 .cse15 .cse10 .cse17 .cse13) (and .cse10 .cse20) (and .cse0 .cse24 .cse1 .cse18 .cse2 .cse25 .cse3 .cse9 .cse12 .cse15 .cse10) (and .cse11 .cse0 .cse24 .cse1 .cse2 .cse3 .cse5 .cse10 .cse6 .cse17) (and .cse0 .cse14 .cse1 .cse18 .cse19 .cse3 .cse12 .cse15 .cse10 .cse8) (and .cse0 .cse1 .cse22 .cse3 .cse12 .cse10 .cse7 .cse6 .cse8 .cse13) (and .cse11 .cse0 .cse24 .cse1 .cse18 .cse19 .cse25 .cse3 .cse12 .cse15 .cse10 .cse30) (and .cse11 .cse0 .cse14 .cse1 .cse18 .cse19 .cse3 .cse12 .cse15 .cse10) (and .cse0 .cse1 .cse3 .cse4 .cse10 .cse7 .cse6 .cse8 .cse13) (and .cse11 .cse14 .cse1 .cse18 .cse25 .cse3 .cse10 .cse7 .cse17 .cse13) (and .cse0 .cse26 .cse1 .cse3 .cse4 .cse10 .cse6 .cse8 .cse13) (and .cse11 .cse14 .cse1 .cse2 .cse3 .cse12 .cse15 .cse10 .cse8) (and .cse11 .cse0 .cse24 .cse1 .cse18 .cse2 .cse25 .cse3 .cse9 .cse15 .cse10 .cse17) (and .cse0 .cse24 .cse1 .cse18 .cse25 .cse3 .cse5 .cse12 .cse10 .cse13) (and .cse0 .cse1 .cse29 .cse3 .cse4 .cse5 .cse10 .cse28) (and .cse11 .cse1 .cse3 .cse10 .cse7 .cse6 .cse8 .cse17 .cse13) (and .cse0 .cse24 .cse1 .cse18 .cse25 .cse3 .cse9 .cse12 .cse15 .cse10 .cse30) (and .cse11 .cse1 .cse25 .cse3 .cse15 .cse10 .cse6 .cse13) (and .cse11 .cse14 .cse26 .cse1 .cse2 .cse15 .cse10 .cse21 .cse6 .cse8) (and .cse0 .cse10 .cse23) (and .cse11 .cse0 .cse14 .cse1 .cse18 .cse3 .cse5 .cse12 .cse10 .cse8) (and .cse11 .cse14 .cse1 .cse2 .cse15 .cse10 .cse21 .cse8 .cse17) (and .cse0 .cse1 .cse2 .cse3 .cse12 .cse15 .cse10 .cse6))))) [2022-12-13 11:50:59,293 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,293 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-12-13 11:50:59,293 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-12-13 11:50:59,293 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-12-13 11:50:59,293 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,293 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,294 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,294 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,294 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-12-13 11:50:59,294 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-12-13 11:50:59,294 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-12-13 11:50:59,294 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,294 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,294 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-12-13 11:50:59,296 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:50:59,297 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 11:50:59,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 11:50:59 BoogieIcfgContainer [2022-12-13 11:50:59,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 11:50:59,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:50:59,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:50:59,332 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:50:59,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:47:56" (3/4) ... [2022-12-13 11:50:59,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 11:50:59,353 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-13 11:50:59,354 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-13 11:50:59,355 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 11:50:59,357 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 11:50:59,466 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:50:59,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:50:59,466 INFO L158 Benchmark]: Toolchain (without parser) took 185091.44ms. Allocated memory was 136.3MB in the beginning and 10.5GB in the end (delta: 10.3GB). Free memory was 94.3MB in the beginning and 4.9GB in the end (delta: -4.8GB). Peak memory consumption was 5.6GB. Max. memory is 16.1GB. [2022-12-13 11:50:59,466 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:50:59,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.93ms. Allocated memory is still 136.3MB. Free memory was 93.9MB in the beginning and 87.8MB in the end (delta: 6.1MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2022-12-13 11:50:59,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.87ms. Allocated memory is still 136.3MB. Free memory was 87.8MB in the beginning and 73.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:50:59,467 INFO L158 Benchmark]: Boogie Preprocessor took 79.69ms. Allocated memory is still 136.3MB. Free memory was 73.1MB in the beginning and 62.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 11:50:59,467 INFO L158 Benchmark]: RCFGBuilder took 1472.55ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 62.6MB in the beginning and 103.8MB in the end (delta: -41.2MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2022-12-13 11:50:59,467 INFO L158 Benchmark]: TraceAbstraction took 182673.54ms. Allocated memory was 163.6MB in the beginning and 10.5GB in the end (delta: 10.3GB). Free memory was 102.7MB in the beginning and 4.9GB in the end (delta: -4.8GB). Peak memory consumption was 9.3GB. Max. memory is 16.1GB. [2022-12-13 11:50:59,467 INFO L158 Benchmark]: Witness Printer took 134.23ms. Allocated memory is still 10.5GB. Free memory was 4.9GB in the beginning and 4.9GB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 11:50:59,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 628.93ms. Allocated memory is still 136.3MB. Free memory was 93.9MB in the beginning and 87.8MB in the end (delta: 6.1MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.87ms. Allocated memory is still 136.3MB. Free memory was 87.8MB in the beginning and 73.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.69ms. Allocated memory is still 136.3MB. Free memory was 73.1MB in the beginning and 62.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1472.55ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 62.6MB in the beginning and 103.8MB in the end (delta: -41.2MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * TraceAbstraction took 182673.54ms. Allocated memory was 163.6MB in the beginning and 10.5GB in the end (delta: 10.3GB). Free memory was 102.7MB in the beginning and 4.9GB in the end (delta: -4.8GB). Peak memory consumption was 9.3GB. Max. memory is 16.1GB. * Witness Printer took 134.23ms. Allocated memory is still 10.5GB. Free memory was 4.9GB in the beginning and 4.9GB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. 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: 1615]: 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: 182.6s, OverallIterations: 28, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 35.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 91.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9367 SdHoareTripleChecker+Valid, 17.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9367 mSDsluCounter, 7491 SdHoareTripleChecker+Invalid, 14.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1900 mSDsCounter, 3028 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18426 IncrementalHoareTripleChecker+Invalid, 21454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3028 mSolverCounterUnsat, 5591 mSDtfsCounter, 18426 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6256 GetRequests, 6183 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299145occurred in iteration=25, InterpolantAutomatonStates: 98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 34.0s AutomataMinimizationTime, 28 MinimizatonAttempts, 138061 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 505 NumberOfFragments, 4415 HoareAnnotationTreeSize, 3 FomulaSimplifications, 8590 FormulaSimplificationTreeSizeReduction, 49.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 243482 FormulaSimplificationTreeSizeReductionInter, 41.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 13.6s InterpolantComputationTime, 15415 NumberOfCodeBlocks, 15415 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 15780 ConstructedInterpolants, 0 QuantifiedInterpolants, 39317 SizeOfPredicates, 5 NumberOfNonLiveVariables, 10063 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 42 InterpolantComputations, 27 PerfectInterpolantSequences, 20387/20732 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: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a7 <= 0 && ((((((a5 == 1 && a3 <= 1) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) || ((((((a5 == 1 && a3 <= 1) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1))) && a23 <= 0) && a1 == 1) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1) && !(a11 == 1))) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || (a6 == 1 && ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a6 == 0) || (((((((a15 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a26 == a11) && a27 == 1)) || ((((((a5 == 1 && a12 == a11) && a16 == 1) && a11 == 1) && a26 == a11) && a27 == 1) && a3 == 0)))) || (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a3 <= 1) && a6 == 0) && a1 == 1) && a16 <= 0) && a27 == 1) && !(a11 == 1))) || (((!(a26 == 1) && a1 == 1) && ((((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0) || ((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a3 == 0))) && a27 == 1)) || (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1) && !(a11 == 1))) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a12 == 1) && !(a27 == 1)) && a16 == 1) && a6 == 0) && a1 == 1) && !(a11 == 1)) && a3 == 0)) || ((((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a11 == a2) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a16 <= 0) && a29 == 1) && !(a11 == 1)) && a3 == 0)) || (a0 <= 0 && ((a1 == 1 && ((((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0) || ((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a3 == 0))) || (((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1)))) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a23 <= 0) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a12 <= 0)) || (((a12 == 1 && a1 == 1) && a16 <= 0) && ((((((a15 == 1 && a26 == 0) && a5 == 1) && a6 == 0) && !(a11 == 1)) && a3 == 0) || (((((a15 == 1 && a5 == 1) && !(a6 == 1)) && a27 == 1) && !(a11 == 1)) && a3 == 0)))) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a7 <= 0 && a5 == 1) && a3 <= 1) && !(a27 == 1)) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a12 <= 0)) || ((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && !(a27 == 1)) && a16 == 1) && a6 == 1) && a1 == 1) && a12 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a12 <= 0)) || ((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 0) && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a1 == 1) && a12 <= 0)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a23 <= 0) && a6 == 1) && a1 == 1) && a12 <= 0)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && !(a11 == 1)) && a3 == 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a26 == a11) && a3 == 0)) || (((((((((a15 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a23 <= 0) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && !(a26 == 1)) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1)) || ((((((((((a15 == 1 && a7 <= 0) && a0 <= 0) && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a12 <= 0) && a27 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && a16 == 1) && a6 == 1) && a1 == 1) && a12 <= 0) && !(a11 == 1))) || ((((((a5 == 1 && a12 == a11) && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || (((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && a6 == 0) && a1 == 1) && a16 <= 0) && !(a11 == 1)) && a3 == 0) && a14 == a11)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a16 <= 0) && a27 == 1)) || ((((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a0 <= 0) && a5 == 1) && 2 <= a3) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a1 == 1) && a12 <= 0) && a27 == 1)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a12 <= 0)) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a12 <= 0) && a3 == 0)) || (((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && !(a27 == 1)) && a16 == 1) && a6 == 0) && a1 == 1) && a12 <= 0) && !(a11 == 1))) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a3 == 0)) || (((((a12 == 1 && !(a27 == 1)) && a16 == 1) && a11 == 0) && a1 == 1) && ((((((a15 == 1 && a26 == 0) && a5 == 1) && a6 == 0) && !(a11 == 1)) && a3 == 0) || (((((a15 == 1 && a5 == 1) && !(a6 == 1)) && a27 == 1) && !(a11 == 1)) && a3 == 0)))) || ((((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a12 == 1) && !(a27 == 1)) && a16 == 1) && a6 == 1) && a1 == 1) && !(a11 == 1)) && a3 == 0)) || (a1 == 1 && ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a6 == 0) || (((((((a15 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a26 == a11) && a27 == 1)) || ((((((a5 == 1 && a12 == a11) && a16 == 1) && a11 == 1) && a26 == a11) && a27 == 1) && a3 == 0)))) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && a3 <= 1) && !(a27 == 1)) && a16 == 1) && a23 <= 0) && a11 == 0) && a6 == 1) && a1 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a3 <= 1) && a16 == 1) && a6 == 0) && a1 == 1) && a12 <= 0) && !(a11 == 1))) || (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1)) || (((((((((a7 <= 0 && a5 == 1) && !(a26 == 1)) && a16 == 1) && a11 == 0) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a12 == 1) && 2 <= a3) && !(a27 == 1)) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a26 == a8)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1)) || ((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && !(a27 == 1)) && a16 == 1) && a1 == 1) && !(a6 == 1)) && !(a11 == 1)) && a3 == 0)) || ((((((((a7 <= 0 && a0 <= 0) && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1)) || (((((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a12 == 1) && a3 <= 1) && !(a27 == 1)) && a16 == 1) && a23 <= 0) && a6 == 1) && a1 == 1) && !(a11 == 1))) || (((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && !(a27 == 1)) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a6 == 0) && a1 == 1) && a26 == a11)) || ((((((((a15 == 1 && a5 == 1) && a16 == 1) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && !(a11 == 1)) && a3 == 0)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && !(a27 == 1)) && a16 == 1) && a23 <= 0) && a11 == 0) && a6 == 1) && a1 == 1) && a26 == a8)) || (((((((a15 == 1 && a5 == 1) && !(a27 == 1)) && a16 == 1) && a6 == 1) && a1 == 1) && a12 <= 0) && a3 == 0)) || (((((((((a15 == 1 && a26 == 1) && a0 <= 0) && a5 == 1) && a3 <= 1) && a6 == 1) && a1 == 1) && a16 <= 0) && a12 <= 0) && a27 == 1)) || ((a7 <= 0 && a1 == 1) && ((((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0) || ((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a3 == 0)))) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a27 == 1)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a6 == 1) && a1 == 1) && a16 <= 0) && a27 == 1) && !(a11 == 1))) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a12 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a7 <= 0 && ((((((a5 == 1 && a3 <= 1) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) || ((((((a5 == 1 && a3 <= 1) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1))) && a23 <= 0) && a1 == 1) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1) && !(a11 == 1))) || ((((((((a7 <= 0 && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a27 == 1)) || (a6 == 1 && ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a6 == 0) || (((((((a15 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a26 == a11) && a27 == 1)) || ((((((a5 == 1 && a12 == a11) && a16 == 1) && a11 == 1) && a26 == a11) && a27 == 1) && a3 == 0)))) || (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && a3 <= 1) && a6 == 0) && a1 == 1) && a16 <= 0) && a27 == 1) && !(a11 == 1))) || (((!(a26 == 1) && a1 == 1) && ((((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0) || ((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a3 == 0))) && a27 == 1)) || (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a27 == 1) && !(a11 == 1))) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a12 == 1) && !(a27 == 1)) && a16 == 1) && a6 == 0) && a1 == 1) && !(a11 == 1)) && a3 == 0)) || ((((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a11 == a2) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a16 <= 0) && a29 == 1) && !(a11 == 1)) && a3 == 0)) || (a0 <= 0 && ((a1 == 1 && ((((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0) || ((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a3 == 0))) || (((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1)))) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a23 <= 0) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a12 <= 0)) || (((a12 == 1 && a1 == 1) && a16 <= 0) && ((((((a15 == 1 && a26 == 0) && a5 == 1) && a6 == 0) && !(a11 == 1)) && a3 == 0) || (((((a15 == 1 && a5 == 1) && !(a6 == 1)) && a27 == 1) && !(a11 == 1)) && a3 == 0)))) || (((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a7 <= 0 && a5 == 1) && a3 <= 1) && !(a27 == 1)) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a12 <= 0)) || ((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && !(a27 == 1)) && a16 == 1) && a6 == 1) && a1 == 1) && a12 <= 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a12 <= 0)) || ((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a12 <= 0) && a27 == 1)) || ((((((((a7 <= 0 && a26 == 0) && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a1 == 1) && a12 <= 0)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 1) && a23 <= 0) && a6 == 1) && a1 == 1) && a12 <= 0)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && !(a11 == 1)) && a3 == 0)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a26 == a11) && a3 == 0)) || (((((((((a15 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 1) && a23 <= 0) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && !(a26 == 1)) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1)) || ((((((((((a15 == 1 && a7 <= 0) && a0 <= 0) && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a12 <= 0) && a27 == 1)) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || ((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && a16 == 1) && a6 == 1) && a1 == 1) && a12 <= 0) && !(a11 == 1))) || ((((((a5 == 1 && a12 == a11) && a11 == 1) && a6 == 1) && a26 == a11) && a27 == 1) && a3 == 0)) || (((((((a15 == 1 && a26 == 1) && a5 == 1) && a16 == 1) && a6 == 1) && a1 == 1) && a27 == 1) && a3 == 0)) || (((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && a6 == 0) && a1 == 1) && a16 <= 0) && !(a11 == 1)) && a3 == 0) && a14 == a11)) || ((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a3 <= 1) && a6 == 1) && !(a12 == 1)) && a1 == 1) && a16 <= 0) && a27 == 1)) || ((((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a0 <= 0) && a5 == 1) && 2 <= a3) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a27 == 1)) || ((((((((a7 <= 0 && a5 == 1) && 2 <= a3) && a16 == 1) && a11 == 1) && a6 == 0) && a1 == 1) && a12 <= 0) && a27 == 1)) || (((((((a7 <= 0 && a26 == 1) && a5 == 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a12 <= 0)) || (((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 1) && a1 == 1) && a12 <= 0) && a3 == 0)) || (((((((((a15 == 1 && a7 <= 0) && a5 == 1) && a3 <= 1) && !(a27 == 1)) && a16 == 1) && a6 == 0) && a1 == 1) && a12 <= 0) && !(a11 == 1))) || (((((((a26 == 1 && a5 == 1) && a12 == 1) && a16 == 1) && a11 == 0) && a1 == 1) && a27 == 1) && a3 == 0)) || (((((a12 == 1 && !(a27 == 1)) && a16 == 1) && a11 == 0) && a1 == 1) && ((((((a15 == 1 && a26 == 0) && a5 == 1) && a6 == 0) && !(a11 == 1)) && a3 == 0) || (((((a15 == 1 && a5 == 1) && !(a6 == 1)) && a27 == 1) && !(a11 == 1)) && a3 == 0)))) || ((((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a12 == 1) && !(a27 == 1)) && a16 == 1) && a6 == 1) && a1 == 1) && !(a11 == 1)) && a3 == 0)) || (a1 == 1 && ((((((((a26 == 1 && a5 == 1) && a12 == 1) && a3 <= 1) && a16 == 1) && a11 == 1) && a6 == 0) || (((((((a15 == 1 && a5 == 1) && a3 <= 1) && a12 == a11) && a16 == 1) && a11 == 1) && a26 == a11) && a27 == 1)) || ((((((a5 == 1 && a12 == a11) && a16 == 1) && a11 == 1) && a26 == a11) && a27 == 1) && a3 == 0)))) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && a3 <= 1) && !(a27 == 1)) && a16 == 1) && a23 <= 0) && a11 == 0) && a6 == 1) && a1 == 1)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a3 <= 1) && a16 == 1) && a6 == 0) && a1 == 1) && a12 <= 0) && !(a11 == 1))) || (((((((((a7 <= 0 && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1)) || (((((((((a7 <= 0 && a5 == 1) && !(a26 == 1)) && a16 == 1) && a11 == 0) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a12 == 1) && 2 <= a3) && !(a27 == 1)) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a26 == a8)) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a12 == 1) && 2 <= a3) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1)) || ((((((((a7 <= 0 && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0)) || (((((((((a15 == 1 && a26 == 1) && a5 == 1) && a12 == 1) && !(a27 == 1)) && a16 == 1) && a1 == 1) && !(a6 == 1)) && !(a11 == 1)) && a3 == 0)) || ((((((((a7 <= 0 && a0 <= 0) && a5 == 1) && a16 == 1) && a11 == 1) && a1 == 1) && a12 <= 0) && a27 == 1) && a3 == 0)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a27 == 1)) || (((((((((((a15 == 1 && a7 <= 0) && a26 == 0) && a5 == 1) && a12 == 1) && a3 <= 1) && !(a27 == 1)) && a16 == 1) && a23 <= 0) && a6 == 1) && a1 == 1) && !(a11 == 1))) || (((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && !(a27 == 1)) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a3 == 0)) || (((((((a7 <= 0 && a5 == 1) && a12 == a11) && a16 == 1) && a11 == 1) && a6 == 0) && a1 == 1) && a26 == a11)) || ((((((((a15 == 1 && a5 == 1) && a16 == 1) && a1 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && !(a11 == 1)) && a3 == 0)) || ((((((((((a7 <= 0 && a26 == 0) && a5 == 1) && a12 == 1) && !(a27 == 1)) && a16 == 1) && a23 <= 0) && a11 == 0) && a6 == 1) && a1 == 1) && a26 == a8)) || (((((((a15 == 1 && a5 == 1) && !(a27 == 1)) && a16 == 1) && a6 == 1) && a1 == 1) && a12 <= 0) && a3 == 0)) || (((((((((a15 == 1 && a26 == 1) && a0 <= 0) && a5 == 1) && a3 <= 1) && a6 == 1) && a1 == 1) && a16 <= 0) && a12 <= 0) && a27 == 1)) || ((a7 <= 0 && a1 == 1) && ((((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && !(a6 == 1)) && a12 <= 0) && a27 == 1) && a3 == 0) || ((((((a15 == 1 && a5 == 1) && a16 == 1) && a11 == 1) && a6 == 0) && a12 <= 0) && a3 == 0)))) || (((((((((a15 == 1 && a7 <= 0) && a26 == 1) && a5 == 1) && a12 == 1) && a16 == 1) && a6 == 0) && a11 == 0) && a1 == 1) && a27 == 1)) || ((((((((a15 == 1 && a26 == 1) && a5 == 1) && a3 <= 1) && a6 == 1) && a1 == 1) && a16 <= 0) && a27 == 1) && !(a11 == 1))) || (((((((a7 <= 0 && a5 == 1) && a3 <= 1) && a16 == 1) && a11 == 0) && a6 == 1) && a1 == 1) && a12 <= 0) RESULT: Ultimate proved your program to be correct! [2022-12-13 11:50:59,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60829019-5fe9-4d17-90be-22e66bec2843/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