./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/Fibonacci02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R --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 b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 --- 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-38b53e6 [2022-11-25 17:19:03,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:19:03,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:19:03,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:19:03,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:19:03,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:19:03,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:19:03,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:19:03,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:19:03,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:19:03,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:19:03,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:19:03,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:19:03,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:19:03,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:19:03,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:19:03,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:19:03,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:19:03,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:19:03,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:19:03,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:19:03,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:19:03,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:19:03,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:19:03,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:19:03,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:19:03,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:19:03,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:19:03,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:19:03,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:19:03,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:19:03,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:19:03,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:19:03,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:19:03,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:19:03,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:19:03,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:19:03,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:19:03,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:19:03,288 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:19:03,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:19:03,290 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:19:03,324 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:19:03,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:19:03,328 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:19:03,328 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:19:03,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:19:03,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:19:03,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:19:03,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:19:03,331 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:19:03,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:19:03,332 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:19:03,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:19:03,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:19:03,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:19:03,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:19:03,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:19:03,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:19:03,334 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:19:03,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:19:03,335 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:19:03,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:19:03,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:19:03,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:19:03,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:19:03,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:19:03,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:19:03,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:19:03,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:19:03,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:19:03,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:19:03,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:19:03,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:19:03,338 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:19:03,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:19:03,339 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_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 [2022-11-25 17:19:03,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:19:03,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:19:03,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:19:03,740 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:19:03,740 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:19:03,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/recursive/Fibonacci02.c [2022-11-25 17:19:06,752 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:19:06,967 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:19:06,968 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/sv-benchmarks/c/recursive/Fibonacci02.c [2022-11-25 17:19:06,975 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/data/d9bf27ee3/923141cb6e6444acaaefd16cf921176b/FLAG2e8a5f2fd [2022-11-25 17:19:06,989 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/data/d9bf27ee3/923141cb6e6444acaaefd16cf921176b [2022-11-25 17:19:06,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:19:06,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:19:06,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:06,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:19:06,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:19:07,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:06" (1/1) ... [2022-11-25 17:19:07,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23362623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07, skipping insertion in model container [2022-11-25 17:19:07,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:19:06" (1/1) ... [2022-11-25 17:19:07,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:19:07,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:19:07,172 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_560fd2d5-fe1b-4bfa-ae15-69706165efca/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2022-11-25 17:19:07,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:07,186 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:19:07,212 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_560fd2d5-fe1b-4bfa-ae15-69706165efca/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2022-11-25 17:19:07,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:19:07,225 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:19:07,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07 WrapperNode [2022-11-25 17:19:07,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:19:07,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:07,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:19:07,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:19:07,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,278 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-25 17:19:07,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:19:07,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:19:07,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:19:07,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:19:07,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,296 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:19:07,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:19:07,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:19:07,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:19:07,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (1/1) ... [2022-11-25 17:19:07,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:19:07,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:07,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:19:07,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:19:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2022-11-25 17:19:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2022-11-25 17:19:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:19:07,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:19:07,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:19:07,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:19:07,443 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:19:07,445 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:19:07,599 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:19:07,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:19:07,604 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:19:07,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:07 BoogieIcfgContainer [2022-11-25 17:19:07,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:19:07,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:19:07,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:19:07,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:19:07,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:19:06" (1/3) ... [2022-11-25 17:19:07,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5590d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:19:07, skipping insertion in model container [2022-11-25 17:19:07,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:19:07" (2/3) ... [2022-11-25 17:19:07,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5590d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:19:07, skipping insertion in model container [2022-11-25 17:19:07,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:07" (3/3) ... [2022-11-25 17:19:07,614 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2022-11-25 17:19:07,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:19:07,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:19:07,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:19:07,691 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;@42fbe9d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:19:07,691 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:19:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:19:07,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 17:19:07,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:07,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:07,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:07,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:07,717 INFO L85 PathProgramCache]: Analyzing trace with hash 117289724, now seen corresponding path program 1 times [2022-11-25 17:19:07,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:07,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315166110] [2022-11-25 17:19:07,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:07,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:08,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:08,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315166110] [2022-11-25 17:19:08,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315166110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:08,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:08,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:19:08,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617744968] [2022-11-25 17:19:08,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:08,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:08,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:08,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:08,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:08,103 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:19:08,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:08,177 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-11-25 17:19:08,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:19:08,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-25 17:19:08,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:08,188 INFO L225 Difference]: With dead ends: 28 [2022-11-25 17:19:08,188 INFO L226 Difference]: Without dead ends: 18 [2022-11-25 17:19:08,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:08,194 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:08,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 39 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:08,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-25 17:19:08,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-25 17:19:08,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 17:19:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-11-25 17:19:08,232 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2022-11-25 17:19:08,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:08,232 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-11-25 17:19:08,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:19:08,233 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-25 17:19:08,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:19:08,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:08,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:08,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:19:08,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:08,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:08,236 INFO L85 PathProgramCache]: Analyzing trace with hash 36927066, now seen corresponding path program 1 times [2022-11-25 17:19:08,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:08,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364039402] [2022-11-25 17:19:08,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:08,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:08,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:19:08,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:08,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364039402] [2022-11-25 17:19:08,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364039402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:19:08,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:19:08,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:19:08,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409937137] [2022-11-25 17:19:08,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:19:08,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:19:08,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:08,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:19:08,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:19:08,377 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:19:08,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:08,447 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-11-25 17:19:08,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:19:08,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-25 17:19:08,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:08,450 INFO L225 Difference]: With dead ends: 24 [2022-11-25 17:19:08,452 INFO L226 Difference]: Without dead ends: 20 [2022-11-25 17:19:08,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:19:08,454 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:08,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 30 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:19:08,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-25 17:19:08,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-11-25 17:19:08,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 17:19:08,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-11-25 17:19:08,467 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2022-11-25 17:19:08,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:08,467 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-11-25 17:19:08,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:19:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-25 17:19:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-25 17:19:08,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:08,469 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:08,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:19:08,469 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:08,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:08,470 INFO L85 PathProgramCache]: Analyzing trace with hash 703243533, now seen corresponding path program 1 times [2022-11-25 17:19:08,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:08,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039625569] [2022-11-25 17:19:08,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:08,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:08,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:08,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:08,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-25 17:19:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:19:08,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:08,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039625569] [2022-11-25 17:19:08,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039625569] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:08,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967038305] [2022-11-25 17:19:08,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:08,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:08,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:08,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:08,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:19:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:08,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 17:19:08,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-25 17:19:08,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:19:09,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967038305] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:09,279 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:09,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2022-11-25 17:19:09,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26723741] [2022-11-25 17:19:09,284 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:09,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:19:09,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:09,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:19:09,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:19:09,293 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 17:19:09,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:09,452 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-11-25 17:19:09,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:19:09,453 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2022-11-25 17:19:09,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:09,456 INFO L225 Difference]: With dead ends: 35 [2022-11-25 17:19:09,456 INFO L226 Difference]: Without dead ends: 20 [2022-11-25 17:19:09,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2022-11-25 17:19:09,464 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 27 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:09,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 61 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:09,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-25 17:19:09,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-25 17:19:09,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-25 17:19:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-11-25 17:19:09,485 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 23 [2022-11-25 17:19:09,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:09,486 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-11-25 17:19:09,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 17:19:09,487 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-11-25 17:19:09,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-25 17:19:09,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:09,490 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:09,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 17:19:09,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:09,696 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:09,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:09,696 INFO L85 PathProgramCache]: Analyzing trace with hash 187716987, now seen corresponding path program 1 times [2022-11-25 17:19:09,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:09,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785163668] [2022-11-25 17:19:09,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:09,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:09,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:09,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:09,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 17:19:09,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:09,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785163668] [2022-11-25 17:19:09,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785163668] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:09,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449365865] [2022-11-25 17:19:09,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:09,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:09,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:09,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:10,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:19:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:10,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 17:19:10,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 17:19:10,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:10,336 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:19:10,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449365865] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:10,337 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:10,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2022-11-25 17:19:10,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968612683] [2022-11-25 17:19:10,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:10,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-25 17:19:10,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:10,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-25 17:19:10,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:19:10,345 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-25 17:19:10,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:10,444 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2022-11-25 17:19:10,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:19:10,445 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2022-11-25 17:19:10,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:10,447 INFO L225 Difference]: With dead ends: 38 [2022-11-25 17:19:10,447 INFO L226 Difference]: Without dead ends: 34 [2022-11-25 17:19:10,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:19:10,448 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 24 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:10,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 56 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:10,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-25 17:19:10,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-25 17:19:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-11-25 17:19:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2022-11-25 17:19:10,458 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 24 [2022-11-25 17:19:10,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:10,458 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2022-11-25 17:19:10,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-25 17:19:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2022-11-25 17:19:10,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-25 17:19:10,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:10,460 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:10,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:10,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:10,675 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:10,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:10,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1151618030, now seen corresponding path program 2 times [2022-11-25 17:19:10,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:10,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055443337] [2022-11-25 17:19:10,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:10,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:10,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:10,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:10,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-25 17:19:10,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:10,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055443337] [2022-11-25 17:19:10,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055443337] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:10,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220807153] [2022-11-25 17:19:10,995 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:19:10,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:10,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:11,007 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:11,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 17:19:11,087 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:19:11,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:19:11,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 17:19:11,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 17:19:11,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-25 17:19:11,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220807153] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:11,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:11,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2022-11-25 17:19:11,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959764181] [2022-11-25 17:19:11,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:11,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-25 17:19:11,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:11,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 17:19:11,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2022-11-25 17:19:11,610 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2022-11-25 17:19:11,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:11,820 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2022-11-25 17:19:11,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-25 17:19:11,821 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) Word has length 37 [2022-11-25 17:19:11,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:11,823 INFO L225 Difference]: With dead ends: 69 [2022-11-25 17:19:11,825 INFO L226 Difference]: Without dead ends: 38 [2022-11-25 17:19:11,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 75 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-11-25 17:19:11,827 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 27 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:11,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 90 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:11,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-25 17:19:11,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-11-25 17:19:11,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-25 17:19:11,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-11-25 17:19:11,835 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 37 [2022-11-25 17:19:11,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:11,835 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-11-25 17:19:11,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2022-11-25 17:19:11,836 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-11-25 17:19:11,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-25 17:19:11,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:11,838 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:11,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:12,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:12,044 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:12,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1916996739, now seen corresponding path program 3 times [2022-11-25 17:19:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:12,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399505112] [2022-11-25 17:19:12,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:12,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-11-25 17:19:12,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:12,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399505112] [2022-11-25 17:19:12,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399505112] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:12,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76054096] [2022-11-25 17:19:12,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 17:19:12,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:12,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:12,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:12,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-25 17:19:12,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-11-25 17:19:12,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:19:12,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 17:19:12,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:12,642 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-11-25 17:19:12,643 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-25 17:19:13,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76054096] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:13,062 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:13,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2022-11-25 17:19:13,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081092353] [2022-11-25 17:19:13,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:13,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-25 17:19:13,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:13,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 17:19:13,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-11-25 17:19:13,070 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2022-11-25 17:19:13,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:13,272 INFO L93 Difference]: Finished difference Result 94 states and 140 transitions. [2022-11-25 17:19:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 17:19:13,273 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) Word has length 79 [2022-11-25 17:19:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:13,276 INFO L225 Difference]: With dead ends: 94 [2022-11-25 17:19:13,276 INFO L226 Difference]: Without dead ends: 90 [2022-11-25 17:19:13,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 170 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-11-25 17:19:13,277 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 69 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:13,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 64 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:19:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-25 17:19:13,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2022-11-25 17:19:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 55 states have internal predecessors, (65), 16 states have call successors, (16), 7 states have call predecessors, (16), 11 states have return successors, (43), 21 states have call predecessors, (43), 16 states have call successors, (43) [2022-11-25 17:19:13,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 124 transitions. [2022-11-25 17:19:13,294 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 124 transitions. Word has length 79 [2022-11-25 17:19:13,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:13,295 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 124 transitions. [2022-11-25 17:19:13,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2022-11-25 17:19:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2022-11-25 17:19:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-25 17:19:13,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:13,299 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:13,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:13,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 17:19:13,505 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:13,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:13,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1766942948, now seen corresponding path program 4 times [2022-11-25 17:19:13,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:13,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956191643] [2022-11-25 17:19:13,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:13,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:19:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-11-25 17:19:14,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:14,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956191643] [2022-11-25 17:19:14,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956191643] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:14,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206714441] [2022-11-25 17:19:14,487 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 17:19:14,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:14,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:14,491 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:14,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-25 17:19:14,602 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 17:19:14,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:19:14,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-25 17:19:14,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-11-25 17:19:14,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:16,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 573 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2022-11-25 17:19:16,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206714441] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:16,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:16,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 15] total 23 [2022-11-25 17:19:16,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997144709] [2022-11-25 17:19:16,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:16,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-25 17:19:16,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:16,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-25 17:19:16,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2022-11-25 17:19:16,200 INFO L87 Difference]: Start difference. First operand 84 states and 124 transitions. Second operand has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) [2022-11-25 17:19:16,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:16,459 INFO L93 Difference]: Finished difference Result 208 states and 347 transitions. [2022-11-25 17:19:16,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 17:19:16,463 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) Word has length 174 [2022-11-25 17:19:16,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:16,476 INFO L225 Difference]: With dead ends: 208 [2022-11-25 17:19:16,476 INFO L226 Difference]: Without dead ends: 204 [2022-11-25 17:19:16,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 383 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-11-25 17:19:16,478 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 85 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:16,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 82 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:19:16,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-11-25 17:19:16,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2022-11-25 17:19:16,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 124 states have (on average 1.185483870967742) internal successors, (147), 123 states have internal predecessors, (147), 42 states have call successors, (42), 14 states have call predecessors, (42), 25 states have return successors, (137), 54 states have call predecessors, (137), 42 states have call successors, (137) [2022-11-25 17:19:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 326 transitions. [2022-11-25 17:19:16,548 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 326 transitions. Word has length 174 [2022-11-25 17:19:16,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:16,552 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 326 transitions. [2022-11-25 17:19:16,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) [2022-11-25 17:19:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 326 transitions. [2022-11-25 17:19:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-25 17:19:16,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:16,566 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:16,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:16,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:16,767 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:16,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:16,768 INFO L85 PathProgramCache]: Analyzing trace with hash -778425254, now seen corresponding path program 5 times [2022-11-25 17:19:16,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:16,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010586535] [2022-11-25 17:19:16,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:16,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:19:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 17:19:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:18,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2022-11-25 17:19:18,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:18,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010586535] [2022-11-25 17:19:18,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010586535] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:18,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989389303] [2022-11-25 17:19:18,187 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-25 17:19:18,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:18,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:18,189 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:18,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-25 17:19:18,397 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2022-11-25 17:19:18,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:19:18,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-25 17:19:18,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 801 proven. 327 refuted. 0 times theorem prover too weak. 3440 trivial. 0 not checked. [2022-11-25 17:19:18,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 807 proven. 358 refuted. 0 times theorem prover too weak. 3403 trivial. 0 not checked. [2022-11-25 17:19:20,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989389303] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:20,228 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:20,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 15] total 26 [2022-11-25 17:19:20,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253628031] [2022-11-25 17:19:20,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:20,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-25 17:19:20,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:20,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-25 17:19:20,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=448, Unknown=0, NotChecked=0, Total=650 [2022-11-25 17:19:20,238 INFO L87 Difference]: Start difference. First operand 192 states and 326 transitions. Second operand has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) [2022-11-25 17:19:20,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:20,561 INFO L93 Difference]: Finished difference Result 298 states and 575 transitions. [2022-11-25 17:19:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-25 17:19:20,562 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) Word has length 283 [2022-11-25 17:19:20,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:20,564 INFO L225 Difference]: With dead ends: 298 [2022-11-25 17:19:20,564 INFO L226 Difference]: Without dead ends: 103 [2022-11-25 17:19:20,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 632 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=250, Invalid=506, Unknown=0, NotChecked=0, Total=756 [2022-11-25 17:19:20,568 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 101 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:20,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 105 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:19:20,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-11-25 17:19:20,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 74. [2022-11-25 17:19:20,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 50 states have internal predecessors, (62), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (43), 15 states have call predecessors, (43), 13 states have call successors, (43) [2022-11-25 17:19:20,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 118 transitions. [2022-11-25 17:19:20,588 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 118 transitions. Word has length 283 [2022-11-25 17:19:20,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:20,590 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 118 transitions. [2022-11-25 17:19:20,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) [2022-11-25 17:19:20,590 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2022-11-25 17:19:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2022-11-25 17:19:20,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:20,604 INFO L195 NwaCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:20,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:20,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:20,810 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:20,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:20,810 INFO L85 PathProgramCache]: Analyzing trace with hash -4939658, now seen corresponding path program 6 times [2022-11-25 17:19:20,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:20,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294197241] [2022-11-25 17:19:20,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:20,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:21,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:22,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:22,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:19:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 17:19:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-25 17:19:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:23,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:19:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 17:19:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2818 proven. 2810 refuted. 0 times theorem prover too weak. 10779 trivial. 0 not checked. [2022-11-25 17:19:24,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:24,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294197241] [2022-11-25 17:19:24,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294197241] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:24,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393875278] [2022-11-25 17:19:24,170 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-25 17:19:24,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:24,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:24,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:24,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-25 17:19:24,398 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2022-11-25 17:19:24,398 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:19:24,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 17:19:24,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:24,547 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 533 proven. 2177 refuted. 0 times theorem prover too weak. 13697 trivial. 0 not checked. [2022-11-25 17:19:24,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 537 proven. 2230 refuted. 0 times theorem prover too weak. 13640 trivial. 0 not checked. [2022-11-25 17:19:27,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393875278] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:27,240 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:27,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 17] total 36 [2022-11-25 17:19:27,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001385595] [2022-11-25 17:19:27,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:27,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-25 17:19:27,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:27,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-25 17:19:27,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2022-11-25 17:19:27,244 INFO L87 Difference]: Start difference. First operand 74 states and 118 transitions. Second operand has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (31), 1 states have call predecessors, (31), 14 states have return successors, (47), 27 states have call predecessors, (47), 26 states have call successors, (47) [2022-11-25 17:19:28,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:28,108 INFO L93 Difference]: Finished difference Result 187 states and 406 transitions. [2022-11-25 17:19:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-11-25 17:19:28,109 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (31), 1 states have call predecessors, (31), 14 states have return successors, (47), 27 states have call predecessors, (47), 26 states have call successors, (47) Word has length 528 [2022-11-25 17:19:28,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:28,111 INFO L225 Difference]: With dead ends: 187 [2022-11-25 17:19:28,111 INFO L226 Difference]: Without dead ends: 119 [2022-11-25 17:19:28,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1266 GetRequests, 1201 SyntacticMatches, 8 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=831, Invalid=2591, Unknown=0, NotChecked=0, Total=3422 [2022-11-25 17:19:28,114 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 136 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:28,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 221 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [384 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 17:19:28,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-25 17:19:28,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 112. [2022-11-25 17:19:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 79 states have (on average 1.0886075949367089) internal successors, (86), 77 states have internal predecessors, (86), 22 states have call successors, (22), 16 states have call predecessors, (22), 10 states have return successors, (52), 18 states have call predecessors, (52), 22 states have call successors, (52) [2022-11-25 17:19:28,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2022-11-25 17:19:28,126 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 528 [2022-11-25 17:19:28,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:28,127 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2022-11-25 17:19:28,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (31), 1 states have call predecessors, (31), 14 states have return successors, (47), 27 states have call predecessors, (47), 26 states have call successors, (47) [2022-11-25 17:19:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2022-11-25 17:19:28,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2022-11-25 17:19:28,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:28,173 INFO L195 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:28,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:28,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 17:19:28,380 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:28,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:28,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1077246303, now seen corresponding path program 7 times [2022-11-25 17:19:28,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:28,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535786345] [2022-11-25 17:19:28,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:28,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:30,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:31,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:32,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:19:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 17:19:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-25 17:19:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:19:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-11-25 17:19:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:19:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 17:19:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-25 17:19:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:19:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:19:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:19:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:19:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:19:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3273 proven. 6787 refuted. 0 times theorem prover too weak. 40850 trivial. 0 not checked. [2022-11-25 17:19:34,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:19:34,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535786345] [2022-11-25 17:19:34,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535786345] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:19:34,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279011330] [2022-11-25 17:19:34,711 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-25 17:19:34,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:19:34,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:19:34,712 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:19:34,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-25 17:19:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:35,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-25 17:19:35,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:19:35,377 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3844 proven. 2510 refuted. 0 times theorem prover too weak. 44556 trivial. 0 not checked. [2022-11-25 17:19:35,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:19:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3844 proven. 2602 refuted. 0 times theorem prover too weak. 44464 trivial. 0 not checked. [2022-11-25 17:19:41,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279011330] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:19:41,014 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:19:41,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 13, 21] total 45 [2022-11-25 17:19:41,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752811809] [2022-11-25 17:19:41,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:19:41,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-25 17:19:41,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:19:41,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-25 17:19:41,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=1521, Unknown=0, NotChecked=0, Total=1980 [2022-11-25 17:19:41,021 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) [2022-11-25 17:19:42,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:19:42,273 INFO L93 Difference]: Finished difference Result 289 states and 614 transitions. [2022-11-25 17:19:42,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-11-25 17:19:42,274 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) Word has length 923 [2022-11-25 17:19:42,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:19:42,278 INFO L225 Difference]: With dead ends: 289 [2022-11-25 17:19:42,278 INFO L226 Difference]: Without dead ends: 160 [2022-11-25 17:19:42,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2177 GetRequests, 2093 SyntacticMatches, 10 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2053 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1246, Invalid=4454, Unknown=0, NotChecked=0, Total=5700 [2022-11-25 17:19:42,282 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 290 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 475 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 475 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 17:19:42,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 271 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [475 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 17:19:42,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-25 17:19:42,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 136. [2022-11-25 17:19:42,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 97 states have (on average 1.0206185567010309) internal successors, (99), 95 states have internal predecessors, (99), 28 states have call successors, (28), 22 states have call predecessors, (28), 10 states have return successors, (53), 18 states have call predecessors, (53), 28 states have call successors, (53) [2022-11-25 17:19:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 180 transitions. [2022-11-25 17:19:42,303 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 180 transitions. Word has length 923 [2022-11-25 17:19:42,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:19:42,304 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 180 transitions. [2022-11-25 17:19:42,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) [2022-11-25 17:19:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 180 transitions. [2022-11-25 17:19:42,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2022-11-25 17:19:42,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:19:42,312 INFO L195 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:19:42,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-25 17:19:42,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-25 17:19:42,521 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:19:42,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:19:42,521 INFO L85 PathProgramCache]: Analyzing trace with hash 597528604, now seen corresponding path program 8 times [2022-11-25 17:19:42,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:19:42,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103064357] [2022-11-25 17:19:42,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:19:42,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:19:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:19:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:58,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:59,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:19:59,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:19:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:20:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 17:20:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-25 17:20:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:20:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:01,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-11-25 17:20:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:20:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 17:20:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2022-11-25 17:20:03,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:03,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103064357] [2022-11-25 17:20:03,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103064357] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:20:03,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794705772] [2022-11-25 17:20:03,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:20:03,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:03,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:03,383 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:20:03,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-25 17:20:03,799 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:20:03,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:20:03,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 439 conjunts are in the unsatisfiable core [2022-11-25 17:20:03,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:20:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2022-11-25 17:20:07,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:20:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2022-11-25 17:20:15,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794705772] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:20:15,661 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:20:15,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2022-11-25 17:20:15,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877605586] [2022-11-25 17:20:15,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:20:15,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-25 17:20:15,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:15,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-25 17:20:15,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2022-11-25 17:20:15,666 INFO L87 Difference]: Start difference. First operand 136 states and 180 transitions. Second operand has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2022-11-25 17:20:16,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:16,244 INFO L93 Difference]: Finished difference Result 149 states and 201 transitions. [2022-11-25 17:20:16,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-25 17:20:16,247 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) Word has length 746 [2022-11-25 17:20:16,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:16,250 INFO L225 Difference]: With dead ends: 149 [2022-11-25 17:20:16,251 INFO L226 Difference]: Without dead ends: 145 [2022-11-25 17:20:16,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1929 GetRequests, 1783 SyntacticMatches, 112 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 738 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2022-11-25 17:20:16,252 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:16,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 844 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 17:20:16,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-25 17:20:16,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2022-11-25 17:20:16,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 102 states have (on average 1.0196078431372548) internal successors, (104), 100 states have internal predecessors, (104), 29 states have call successors, (29), 22 states have call predecessors, (29), 12 states have return successors, (60), 21 states have call predecessors, (60), 29 states have call successors, (60) [2022-11-25 17:20:16,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 193 transitions. [2022-11-25 17:20:16,264 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 193 transitions. Word has length 746 [2022-11-25 17:20:16,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:16,265 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 193 transitions. [2022-11-25 17:20:16,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2022-11-25 17:20:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 193 transitions. [2022-11-25 17:20:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2022-11-25 17:20:16,273 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:20:16,273 INFO L195 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:20:16,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-25 17:20:16,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-25 17:20:16,482 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:20:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:20:16,483 INFO L85 PathProgramCache]: Analyzing trace with hash -151858645, now seen corresponding path program 9 times [2022-11-25 17:20:16,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:20:16,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685728000] [2022-11-25 17:20:16,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:20:16,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:20:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:20:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:20:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 17:20:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-25 17:20:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:20:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-11-25 17:20:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:19,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:20:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-11-25 17:20:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-25 17:20:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-25 17:20:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-25 17:20:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-25 17:20:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:20:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-25 17:20:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-25 17:20:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:20:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3313 proven. 5871 refuted. 0 times theorem prover too weak. 41726 trivial. 0 not checked. [2022-11-25 17:20:20,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:20:20,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685728000] [2022-11-25 17:20:20,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685728000] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:20:20,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151467710] [2022-11-25 17:20:20,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 17:20:20,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:20,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:20:20,407 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:20:20,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-25 17:20:20,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2022-11-25 17:20:20,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:20:20,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-25 17:20:20,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:20:20,966 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2022-11-25 17:20:20,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:20:26,439 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2022-11-25 17:20:26,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151467710] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:20:26,440 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 17:20:26,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 22] total 43 [2022-11-25 17:20:26,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806422448] [2022-11-25 17:20:26,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 17:20:26,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-11-25 17:20:26,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:20:26,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-11-25 17:20:26,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1391, Unknown=0, NotChecked=0, Total=1806 [2022-11-25 17:20:26,450 INFO L87 Difference]: Start difference. First operand 144 states and 193 transitions. Second operand has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (56), 28 states have call predecessors, (56), 33 states have call successors, (56) [2022-11-25 17:20:27,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:20:27,116 INFO L93 Difference]: Finished difference Result 287 states and 400 transitions. [2022-11-25 17:20:27,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-25 17:20:27,122 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (56), 28 states have call predecessors, (56), 33 states have call successors, (56) Word has length 923 [2022-11-25 17:20:27,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:20:27,123 INFO L225 Difference]: With dead ends: 287 [2022-11-25 17:20:27,123 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:20:27,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2157 GetRequests, 2092 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1259 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2022-11-25 17:20:27,126 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 183 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 17:20:27,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 221 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 17:20:27,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:20:27,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:20:27,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:20:27,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:20:27,128 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 923 [2022-11-25 17:20:27,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:20:27,128 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:20:27,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (56), 28 states have call predecessors, (56), 33 states have call successors, (56) [2022-11-25 17:20:27,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:20:27,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:20:27,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:20:27,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-25 17:20:27,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:20:27,344 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:20:28,374 INFO L899 garLoopResultBuilder]: For program point fibonacciFINAL(lines 16 24) no Hoare annotation was computed. [2022-11-25 17:20:28,374 INFO L902 garLoopResultBuilder]: At program point fibonacciENTRY(lines 16 24) the Hoare annotation is: true [2022-11-25 17:20:28,374 INFO L895 garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (not (<= |fibonacci_#in~n| 1))) [2022-11-25 17:20:28,374 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2022-11-25 17:20:28,375 INFO L895 garLoopResultBuilder]: At program point L22-2(line 22) the Hoare annotation is: (and (let ((.cse0 (<= 1 |fibonacci_#t~ret4|)) (.cse1 (<= |fibonacci_#t~ret4| 1))) (or (and (<= 5 |fibonacci_#t~ret4|) (<= 6 fibonacci_~n) (<= |fibonacci_#t~ret4| 5) (<= fibonacci_~n 6)) (and (<= fibonacci_~n 4) (<= 2 |fibonacci_#t~ret4|) (<= |fibonacci_#t~ret4| 2) (<= 4 |fibonacci_#in~n|)) (and (<= 8 fibonacci_~n) (<= |fibonacci_#t~ret4| 13) (<= |fibonacci_#in~n| 8) (<= 13 |fibonacci_#t~ret4|)) (and (<= 7 fibonacci_~n) (<= 8 |fibonacci_#t~ret4|) (<= fibonacci_~n 7) (<= |fibonacci_#t~ret4| 8)) (and (not (<= fibonacci_~n 1)) .cse0 (<= |fibonacci_#in~n| 2) .cse1) (and .cse0 (<= 3 fibonacci_~n) .cse1 (<= |fibonacci_#in~n| 3)) (and (<= 3 |fibonacci_#t~ret4|) (<= |fibonacci_#t~ret4| 3) (<= 5 fibonacci_~n) (<= |fibonacci_#in~n| 5)) (and (<= 21 |fibonacci_#t~ret4|) (<= |fibonacci_#t~ret4| 21) (<= 9 |fibonacci_#in~n|)) (<= 10 |fibonacci_#in~n|))) (= fibonacci_~n |fibonacci_#in~n|)) [2022-11-25 17:20:28,375 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 23) no Hoare annotation was computed. [2022-11-25 17:20:28,375 INFO L899 garLoopResultBuilder]: For program point L22-3(line 22) no Hoare annotation was computed. [2022-11-25 17:20:28,375 INFO L899 garLoopResultBuilder]: For program point fibonacciEXIT(lines 16 24) no Hoare annotation was computed. [2022-11-25 17:20:28,375 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 23) no Hoare annotation was computed. [2022-11-25 17:20:28,375 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-11-25 17:20:28,375 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:20:28,375 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:20:28,375 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 34) no Hoare annotation was computed. [2022-11-25 17:20:28,375 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:20:28,376 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (and (<= 9 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 9)) [2022-11-25 17:20:28,376 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:20:28,376 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-11-25 17:20:28,376 INFO L895 garLoopResultBuilder]: At program point L27(lines 27 35) the Hoare annotation is: (<= 9 |ULTIMATE.start_main_~x~0#1|) [2022-11-25 17:20:28,376 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2022-11-25 17:20:28,379 INFO L445 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2022-11-25 17:20:28,382 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:20:28,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:20:28 BoogieIcfgContainer [2022-11-25 17:20:28,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:20:28,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:20:28,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:20:28,400 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:20:28,400 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:19:07" (3/4) ... [2022-11-25 17:20:28,403 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:20:28,410 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fibonacci [2022-11-25 17:20:28,414 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-25 17:20:28,414 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 17:20:28,414 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 17:20:28,414 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:20:28,444 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:20:28,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:20:28,445 INFO L158 Benchmark]: Toolchain (without parser) took 81451.52ms. Allocated memory was 153.1MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 119.8MB in the beginning and 784.7MB in the end (delta: -664.9MB). Peak memory consumption was 691.9MB. Max. memory is 16.1GB. [2022-11-25 17:20:28,445 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:20:28,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.76ms. Allocated memory is still 153.1MB. Free memory was 119.1MB in the beginning and 124.4MB in the end (delta: -5.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-25 17:20:28,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.75ms. Allocated memory is still 153.1MB. Free memory was 124.4MB in the beginning and 122.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:20:28,446 INFO L158 Benchmark]: Boogie Preprocessor took 18.60ms. Allocated memory is still 153.1MB. Free memory was 122.8MB in the beginning and 121.9MB in the end (delta: 890.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:20:28,446 INFO L158 Benchmark]: RCFGBuilder took 307.50ms. Allocated memory is still 153.1MB. Free memory was 121.9MB in the beginning and 111.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:20:28,447 INFO L158 Benchmark]: TraceAbstraction took 80790.64ms. Allocated memory was 153.1MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 111.6MB in the beginning and 786.8MB in the end (delta: -675.3MB). Peak memory consumption was 683.4MB. Max. memory is 16.1GB. [2022-11-25 17:20:28,447 INFO L158 Benchmark]: Witness Printer took 44.94ms. Allocated memory is still 1.5GB. Free memory was 786.8MB in the beginning and 784.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:20:28,448 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.76ms. Allocated memory is still 153.1MB. Free memory was 119.1MB in the beginning and 124.4MB in the end (delta: -5.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.75ms. Allocated memory is still 153.1MB. Free memory was 124.4MB in the beginning and 122.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.60ms. Allocated memory is still 153.1MB. Free memory was 122.8MB in the beginning and 121.9MB in the end (delta: 890.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.50ms. Allocated memory is still 153.1MB. Free memory was 121.9MB in the beginning and 111.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 80790.64ms. Allocated memory was 153.1MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 111.6MB in the beginning and 786.8MB in the end (delta: -675.3MB). Peak memory consumption was 683.4MB. Max. memory is 16.1GB. * Witness Printer took 44.94ms. Allocated memory is still 1.5GB. Free memory was 786.8MB in the beginning and 784.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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: 33]: 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 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 80.7s, OverallIterations: 12, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1035 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 966 mSDsluCounter, 2084 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1789 mSDsCounter, 1557 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4039 IncrementalHoareTripleChecker+Invalid, 5596 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1557 mSolverCounterUnsat, 295 mSDtfsCounter, 4039 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9030 GetRequests, 8530 SyntacticMatches, 162 SemanticMatches, 338 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6258 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=7, InterpolantAutomatonStates: 234, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 81 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 440 PreInvPairs, 649 NumberOfFragments, 129 HoareAnnotationTreeSize, 440 FomulaSimplifications, 1751 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 5 FomulaSimplificationsInter, 3684 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 69.2s InterpolantComputationTime, 7501 NumberOfCodeBlocks, 6503 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 11209 ConstructedInterpolants, 0 QuantifiedInterpolants, 22254 SizeOfPredicates, 48 NumberOfNonLiveVariables, 6271 ConjunctsInSsa, 552 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 401455/473739 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: 27]: Loop Invariant Derived loop invariant: 9 <= x RESULT: Ultimate proved your program to be correct! [2022-11-25 17:20:28,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_560fd2d5-fe1b-4bfa-ae15-69706165efca/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE